SKMTF / SK Telecom Co., Ltd. - Документы SEC, Годовой отчет, Доверенное заявление

СК Телеком Ко., Лтд.
US ˙ OTCPK ˙ KR7017670001
ЭТОТ СИМВОЛ БОЛЬШЕ НЕ АКТИВЕН

Основная статистика
LEI 9884003WEA1PHW006037
CIK 1015650
SEC Filings
All companies that sell securities in the United States must register with the Securities and Exchange Commission (SEC) and file reports on a regular basis. These reports include company annual reports (10K, 10Q), news updates (8K), investor presentations (found in 8Ks), insider trades (form 4), ownership reports (13D, and 13G), and reports related to the specific securities sold, such as registration statements and prospectus. This page shows recent SEC filings related to SK Telecom Co., Ltd.
SEC Filings (Chronological Order)
На этой странице представлен полный хронологический список документов SEC, за исключением документов о собственности, которые мы предоставляем в других местах.
August 6, 2025 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF AUGUST 2025 Commission File Number: 333-04906

Form 6-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF AUGUST 2025 Commission File Number: 333-04906 SK Telecom Co., Ltd. (Translation of registrant’s name into English) 65, Euljiro, Jung-gu Seoul 04539, Korea (Address of principal executive

July 30, 2025 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF JULY 2025 Commission File Number: 333-04906 SK

6-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF JULY 2025 Commission File Number: 333-04906 SK Telecom Co., Ltd. (Translation of registrant’s name into English) 65, Euljiro, Jung-gu Seoul 04539, Korea (Address of principal executive office)

July 25, 2025 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF JULY 2025 Commission File Number: 333-04906 SK

Form 6-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF JULY 2025 Commission File Number: 333-04906 SK Telecom Co., Ltd. (Translation of registrant’s name into English) 65, Euljiro, Jung-gu Seoul 04539, Korea (Address of principal executive of

July 7, 2025 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF JULY 2025 Commission File Number: 333-04906 SK

Form 6-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF JULY 2025 Commission File Number: 333-04906 SK Telecom Co., Ltd. (Translation of registrant’s name into English) 65, Euljiro, Jung-gu Seoul 04539, Korea (Address of principal executive of

June 30, 2025 6-K/A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K/A Amendment No. 1 REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF JUNE 2025 Commission File Nu

Form 6-K/A UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K/A Amendment No. 1 REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF JUNE 2025 Commission File Number: 333-04906 SK Telecom Co., Ltd. (Translation of registrant’s name into English) 65, Euljiro, Jung-gu Seoul 04539, Korea (Address of pr

June 27, 2025 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF JUNE 2025 Commission File Number: 333-04906 SK

Form 6-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF JUNE 2025 Commission File Number: 333-04906 SK Telecom Co., Ltd. (Translation of registrant’s name into English) 65, Euljiro, Jung-gu Seoul 04539, Korea (Address of principal executive of

June 24, 2025 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF JUNE 2025 Commission File Number: 333-04906 SK

Form 6-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF JUNE 2025 Commission File Number: 333-04906 SK Telecom Co., Ltd. (Translation of registrant’s name into English) 65, Euljiro, Jung-gu Seoul 04539, Korea (Address of principal executive of

June 12, 2025 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF JUNE 2025 COMMISSION FILE NUMBER: 333-04906

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF JUNE 2025 COMMISSION FILE NUMBER: 333-04906 SK Telecom Co., Ltd. (Translation of registrant’s name into English) 65, Eulji-ro, Jung-gu Seoul 04539, Korea (Address of principal executive office)

May 12, 2025 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF MAY 2025 Commission File Number: 333-04906 SK

Form 6-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF MAY 2025 Commission File Number: 333-04906 SK Telecom Co., Ltd. (Translation of registrant’s name into English) 65, Euljiro, Jung-gu Seoul 04539, Korea (Address of principal executive off

May 2, 2025 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF MAY 2025 Commission File Number: 333-04906 SK

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF MAY 2025 Commission File Number: 333-04906 SK Telecom Co., Ltd. (Translation of registrant’s name into English) 65, Euljiro, Jung-gu Seoul 04539, Korea (Address of principal executive office) Indi

May 2, 2025 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF MAY 2025 Commission File Number: 333-04906 SK

Form 6-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF MAY 2025 Commission File Number: 333-04906 SK Telecom Co., Ltd. (Translation of registrant’s name into English) 65, Euljiro, Jung-gu Seoul 04539, Korea (Address of principal executive off

May 2, 2025 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF MAY 2025 Commission File Number: 333-04906 SK

Form 6-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF MAY 2025 Commission File Number: 333-04906 SK Telecom Co., Ltd. (Translation of registrant’s name into English) 65, Euljiro, Jung-gu Seoul 04539, Korea (Address of principal executive off

April 30, 2025 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF APRIL 2025 Commission File Number: 333-04906 S

Form 6-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF APRIL 2025 Commission File Number: 333-04906 SK Telecom Co., Ltd. (Translation of registrant’s name into English) 65, Euljiro, Jung-gu Seoul 04539, Korea (Address of principal executive o

April 29, 2025 EX-15.1

April 29, 2025

Exhibit 15.1 April 29, 2025 Securities and Exchange Commission Division of Corporate Finance 100 F Street, N.E. Washington, D.C. 20549-7561 Ladies and Gentlemen, We have read Item 16F of the Annual Report on Form 20-F dated April 29, 2025, of SK Telecom Co., Ltd. and are in agreement with the statements concerning Ernst & Young Han Young contained therein. We have no basis to agree or disagree wit

April 29, 2025 20-F

As filed with the Securities and Exchange Commission on April 29, 2025 UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 20-F (Mark One) 

Table of Contents As filed with the Securities and Exchange Commission on April 29, 2025 UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.

April 29, 2025 EX-13.1

Certification Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002 (Subsection (a) and (b) of Section 1350, Chapter 63 of Title 18, United States Code)

EX-13.1 Exhibit 13.1 Certification Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002 (Subsection (a) and (b) of Section 1350, Chapter 63 of Title 18, United States Code) Pursuant to section 906 of the Sarbanes-Oxley Act of 2002 (subsection (a) and (b) of section 1350, chapter 63 of title 18, United States Code), the undersigned officer of SK Telecom Co., Ltd., a corporation organized under

April 29, 2025 EX-1.1

ARTICLES OF INCORPORATION

Exhibit 1.1 ARTICLES OF INCORPORATION PREMISE The Company will pursue the happiness of its members as the ultimate purpose of business management, and the members will contribute to the sustainability of long-term benefits for the shareholders and the happiness of the stakeholders. For this purpose, the Company will establish its management philosophy as follows and carry out its management activi

April 29, 2025 EX-12.1

CERTIFICATION Pursuant to Section 302 of the Sarbanes-Oxley Act 2002

EX-12.1 Exhibit 12.1 CERTIFICATION Pursuant to Section 302 of the Sarbanes-Oxley Act 2002 I, Young Sang Ryu, certify that: 1. I have reviewed this annual report on Form 20-F of SK Telecom Co., Ltd.; 2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances unde

April 29, 2025 EX-11.1

[An Excerpt of Relevant Sections of SK Telcom Co., Ltd.’s Disclosure Information Management Policy]

Exhibit 11.1 [An Excerpt of Relevant Sections of SK Telcom Co., Ltd.’s Disclosure Information Management Policy] 7. Prohibition of Unfair Trading by Officers and Employees 7.1. General Principle Pursuant to Article 174 (1) of the Financial Investment Services and Capital Markets Act of Korea (the “Act”), officers and employees of SK Telecom Co., Ltd. (the “Company”) shall not use or allow others t

April 29, 2025 EX-12.2

CERTIFICATION Pursuant to Section 302 of the Sarbanes-Oxley Act of 2002

EX-12.2 Exhibit 12.2 CERTIFICATION Pursuant to Section 302 of the Sarbanes-Oxley Act of 2002 I, Yang Seob Kim, certify that: 1. I have reviewed this annual report on Form 20-F of SK Telecom Co., Ltd.; 2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances un

April 29, 2025 EX-13.2

Certification Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002 (Subsection (a) and (b) of Section 1350, Chapter 63 of Title 18, United States Code)

EX-13.2 Exhibit 13.2 Certification Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002 (Subsection (a) and (b) of Section 1350, Chapter 63 of Title 18, United States Code) Pursuant to section 906 of the Sarbanes-Oxley Act of 2002 (subsection (a) and (b) of section 1350, chapter 63 of title 18, United States Code), the undersigned officer of SK Telecom Co., Ltd., a corporation organized under

April 25, 2025 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF APRIL 2025 Commission File Number: 333-04906 S

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF APRIL 2025 Commission File Number: 333-04906 SK Telecom Co., Ltd. (Translation of registrant’s name into English) 65, Euljiro, Jung-gu Seoul 04539, Korea (Address of principal executive office) In

April 25, 2025 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF APRIL 2025 Commission File Number: 333-04906 S

Form 6-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF APRIL 2025 Commission File Number: 333-04906 SK Telecom Co., Ltd. (Translation of registrant’s name into English) 65, Euljiro, Jung-gu Seoul 04539, Korea (Address of principal executive o

April 25, 2025 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF APRIL 2025 Commission File Number: 333-04906 S

Form 6-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF APRIL 2025 Commission File Number: 333-04906 SK Telecom Co., Ltd. (Translation of registrant’s name into English) 65, Euljiro, Jung-gu Seoul 04539, Korea (Address of principal executive o

April 16, 2025 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF APRIL 2025 COMMISSION FILE NUMBER: 333-0490

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF APRIL 2025 COMMISSION FILE NUMBER: 333-04906 SK Telecom Co., Ltd. (Translation of registrant’s name into English) 65, Eulji-ro, Jung-gu Seoul 04539, Korea (Address of principa

March 26, 2025 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF MARCH 2025 Commission File Number: 333-04906 S

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF MARCH 2025 Commission File Number: 333-04906 SK Telecom Co., Ltd. (Translation of registrant’s name into English) 65, Euljiro, Jung-gu Seoul 04539, Korea (Address of principal executive office) In

March 10, 2025 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF MARCH 2025 Commission File Number: 333-04906 S

Form 6-K Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.

March 10, 2025 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF MARCH 2025 Commission File Number: 333-04906 S

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF MARCH 2025 Commission File Number: 333-04906 SK Telecom Co., Ltd. (Translation of registrant’s name into English) 65, Euljiro, Jung-gu Seoul 04539, Korea (Address of principal ex

February 28, 2025 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF FEBRUARY 2025 Commission File Number: 333-0490

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF FEBRUARY 2025 Commission File Number: 333-04906 SK Telecom Co., Ltd. (Translation of registrant’s name into English) 65, Euljiro, Jung-gu Seoul 04539, Korea (Address of principal executive office)

February 12, 2025 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF FEBRUARY 2025 Commission File Number: 333-0490

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF FEBRUARY 2025 Commission File Number: 333-04906 SK Telecom Co., Ltd. (Translation of registrant’s name into English) 65, Euljiro, Jung-gu Seoul 04539, Korea (Address of principal executive office)

February 12, 2025 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF FEBRUARY 2025 Commission File Number: 333-0490

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF FEBRUARY 2025 Commission File Number: 333-04906 SK Telecom Co., Ltd. (Translation of registrant’s name into English) 65, Euljiro, Jung-gu Seoul 04539, Korea (Address of principal executive office)

February 12, 2025 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF FEBRUARY 2025 Commission File Number: 333-0490

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF FEBRUARY 2025 Commission File Number: 333-04906 SK Telecom Co., Ltd. (Translation of registrant’s name into English) 65, Euljiro, Jung-gu Seoul 04539, Korea (Address of principal executive office)

February 12, 2025 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF FEBRUARY 2025 Commission File Number: 333-0490

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF FEBRUARY 2025 Commission File Number: 333-04906 SK Telecom Co., Ltd. (Translation of registrant’s name into English) 65, Euljiro, Jung-gu Seoul 04539, Korea (Address of principal executive office)

February 12, 2025 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF FEBRUARY 2025 Commission File Number: 333-0490

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF FEBRUARY 2025 Commission File Number: 333-04906 SK Telecom Co., Ltd. (Translation of registrant’s name into English) 65, Euljiro, Jung-gu Seoul 04539, Korea (Address of principal executive office)

February 5, 2025 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF FEBRUARY 2025 Commission File Number: 333-0490

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF FEBRUARY 2025 Commission File Number: 333-04906 SK Telecom Co., Ltd. (Translation of registrant’s name into English) 65, Euljiro, Jung-gu Seoul 04539, Korea (Address of principal executive office)

December 20, 2024 EX-99.A

Joint Filing Statement Pursuant to Rule 13d-1(k)(1)

Joint Filing Statement Pursuant to Rule 13d-1(k)(1) The undersigned acknowledge and agree that the foregoing Statement on Schedule 13D is filed on behalf of each of the undersigned and that all subsequent amendments to this Statement on Schedule 13D shall be filed on behalf of each of the undersigned without the necessity of filing additional joint filing statements.

December 18, 2024 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF DECEMBER 2024 Commission File Number: 333-0490

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF DECEMBER 2024 Commission File Number: 333-04906 SK Telecom Co., Ltd. (Translation of registrant’s name into English) 65, Euljiro, Jung-gu Seoul 04539, Korea (Address of principal executive office)

December 11, 2024 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF December 2024 COMMISSION FILE NUMBER: 333-0

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF December 2024 COMMISSION FILE NUMBER: 333-04906 SK Telecom Co., Ltd. (Translation of registrant’s name into English) 65, Eulji-ro, Jung-gu Seoul 04539, Korea (Address of princ

November 13, 2024 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF NOVEMBER 2024 Commission File Number: 333-0490

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF NOVEMBER 2024 Commission File Number: 333-04906 SK Telecom Co., Ltd. (Translation of registrant’s name into English) 65, Euljiro, Jung-gu Seoul 04539, Korea (Address of principal executive office)

November 6, 2024 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF NOVEMBER 2024 Commission File Number: 333-0490

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF NOVEMBER 2024 Commission File Number: 333-04906 SK Telecom Co., Ltd. (Translation of registrant’s name into English) 65, Euljiro, Jung-gu Seoul 04539, Korea (Address of principal executive office)

October 30, 2024 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF OCTOBER 2024 Commission File Number: 333-04906

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF OCTOBER 2024 Commission File Number: 333-04906 SK Telecom Co., Ltd. (Translation of registrant’s name into English) 65, Euljiro, Jung-gu Seoul 04539, Korea (Address of principal executive office)

October 24, 2024 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF OCTOBER 2024 Commission File Number: 333-04906

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF OCTOBER 2024 Commission File Number: 333-04906 SK Telecom Co., Ltd. (Translation of registrant’s name into English) 65, Euljiro, Jung-gu Seoul 04539, Korea (Address of principal executive office)

October 24, 2024 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF OCTOBER 2024 Commission File Number: 333-04906

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF OCTOBER 2024 Commission File Number: 333-04906 SK Telecom Co., Ltd. (Translation of registrant’s name into English) 65, Euljiro, Jung-gu Seoul 04539, Korea (Address of principal executive office)

September 10, 2024 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF September 2024 COMMISSION FILE NUMBER: 333-

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF September 2024 COMMISSION FILE NUMBER: 333-04906 SK Telecom Co., Ltd. (Translation of registrant’s name into English) 65, Eulji-ro, Jung-gu Seoul 04539, Korea (Address of prin

August 6, 2024 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF AUGUST 2024 Commission File Number: 333-04906

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF AUGUST 2024 Commission File Number: 333-04906 SK Telecom Co., Ltd. (Translation of registrant’s name into English) 65, Euljiro, Jung-gu Seoul 04539, Korea (Address of principal executive office) I

July 30, 2024 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF JULY 2024 Commission File Number: 333-04906 SK

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF JULY 2024 Commission File Number: 333-04906 SK Telecom Co., Ltd. (Translation of registrant’s name into English) 65, Euljiro, Jung-gu Seoul 04539, Korea (Address of principal executive office) Ind

July 26, 2024 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF JULY 2024 Commission File Number: 333-04906 SK

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF JULY 2024 Commission File Number: 333-04906 SK Telecom Co., Ltd. (Translation of registrant’s name into English) 65, Euljiro, Jung-gu Seoul 04539, Korea (Address of principal executive office) Ind

June 28, 2024 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF JUNE 2024 Commission File Number: 333-04906 SK

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF JUNE 2024 Commission File Number: 333-04906 SK Telecom Co., Ltd. (Translation of registrant’s name into English) 65, Euljiro, Jung-gu Seoul 04539, Korea (Address of principal executive office) Ind

June 12, 2024 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF June 2024 COMMISSION FILE NUMBER: 333-04906

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF June 2024 COMMISSION FILE NUMBER: 333-04906 SK Telecom Co., Ltd. (Translation of registrant’s name into English) 65, Eulji-ro, Jung-gu Seoul 04539, Korea (Address of principal

May 8, 2024 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF MAY 2024 Commission File Number: 333-04906 SK

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF MAY 2024 Commission File Number: 333-04906 SK Telecom Co., Ltd. (Translation of registrant’s name into English) 65, Euljiro, Jung-gu Seoul 04539, Korea (Address of principal executive office) Indi

April 30, 2024 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF APRIL 2024 Commission File Number: 333-04906 S

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF APRIL 2024 Commission File Number: 333-04906 SK Telecom Co., Ltd. (Translation of registrant’s name into English) 65, Euljiro, Jung-gu Seoul 04539, Korea (Address of principal executive office) In

April 30, 2024 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF APRIL 2024 Commission File Number: 333-04906 S

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF APRIL 2024 Commission File Number: 333-04906 SK Telecom Co., Ltd. (Translation of registrant’s name into English) 65, Euljiro, Jung-gu Seoul 04539, Korea (Address of principal executive office) In

April 29, 2024 EX-1.1

ARTICLES OF INCORPORATION

EX-1.1 Exhibit 1.1 ARTICLES OF INCORPORATION PREMISE The Company will pursue the happiness of its members as the ultimate purpose of business management, and the members will contribute to the sustainability of long-term benefits for the shareholders and the happiness of the stakeholders. For this purpose, the Company will establish its management philosophy as follows and carry out its management

April 29, 2024 EX-97.1

SK TELECOM CO., LTD. POLICY FOR THE RECOVERY OF ERRONEOUSLY AWARDED COMPENSATION

EX-97.1 Exhibit 97.1 SK TELECOM CO., LTD. POLICY FOR THE RECOVERY OF ERRONEOUSLY AWARDED COMPENSATION 1. Purpose The purpose of this Policy is to describe the circumstances in which Executive Officers will be required to repay or return Erroneously Awarded Compensation to the Company in accordance with the Clawback Rules. 2. Administration Except as specifically set forth herein, this Policy shall

April 29, 2024 EX-12.2

CERTIFICATION Pursuant to Section 302 of the Sarbanes-Oxley Act of 2002

EX-12.2 Exhibit 12.2 CERTIFICATION Pursuant to Section 302 of the Sarbanes-Oxley Act of 2002 I, Yang Seob Kim, certify that: 1. I have reviewed this annual report on Form 20-F of SK Telecom Co., Ltd.; 2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances un

April 29, 2024 20-F

As filed with the Securities and Exchange Commission on April 29, 2024 UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 20-F (Mark One) ☐ REGISTRATION STATEMENT PURSUANT TO SECTION 12(b) OR (g) OF THE SECURITIES EXCHANGE A

Table of Contents As filed with the Securities and Exchange Commission on April 29, 2024 UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.

April 29, 2024 EX-13.2

Certification Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002 (Subsection (a) and (b) of Section 1350, Chapter 63 of Title 18, United States Code)

EX-13.2 Exhibit 13.2 Certification Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002 (Subsection (a) and (b) of Section 1350, Chapter 63 of Title 18, United States Code) Pursuant to section 906 of the Sarbanes-Oxley Act of 2002 (subsection (a) and (b) of section 1350, chapter 63 of title 18, United States Code), the undersigned officer of SK Telecom Co., Ltd., a corporation organized under

April 29, 2024 EX-13.1

Certification Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002 (Subsection (a) and (b) of Section 1350, Chapter 63 of Title 18, United States Code)

EX-13.1 Exhibit 13.1 Certification Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002 (Subsection (a) and (b) of Section 1350, Chapter 63 of Title 18, United States Code) Pursuant to section 906 of the Sarbanes-Oxley Act of 2002 (subsection (a) and (b) of section 1350, chapter 63 of title 18, United States Code), the undersigned officer of SK Telecom Co., Ltd., a corporation organized under

April 29, 2024 EX-12.1

CERTIFICATION Pursuant to Section 302 of the Sarbanes-Oxley Act 2002

EX-12.1 Exhibit 12.1 CERTIFICATION Pursuant to Section 302 of the Sarbanes-Oxley Act 2002 I, Young Sang Ryu, certify that: 1. I have reviewed this annual report on Form 20-F of SK Telecom Co., Ltd.; 2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances unde

April 25, 2024 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF APRIL 2024 Commission File Number: 333-04906 S

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF APRIL 2024 Commission File Number: 333-04906 SK Telecom Co., Ltd. (Translation of registrant’s name into English) 65, Euljiro, Jung-gu Seoul 04539, Korea (Address of principal executive office) In

April 25, 2024 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF APRIL 2024 Commission File Number: 333-04906 S

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF APRIL 2024 Commission File Number: 333-04906 SK Telecom Co., Ltd. (Translation of registrant’s name into English) 65, Euljiro, Jung-gu Seoul 04539, Korea (Address of principal executive office) In

April 25, 2024 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF APRIL 2024 Commission File Number: 333-04906 S

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF APRIL 2024 Commission File Number: 333-04906 SK Telecom Co., Ltd. (Translation of registrant’s name into English) 65, Euljiro, Jung-gu Seoul 04539, Korea (Address of principal executive office) In

April 18, 2024 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF APRIL 2024 COMMISSION FILE NUMBER: 333-0490

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF APRIL 2024 COMMISSION FILE NUMBER: 333-04906 SK Telecom Co., Ltd. (Translation of registrant’s name into English) 65, Eulji-ro, Jung-gu Seoul 04539, Korea (Address of principal executive office

March 27, 2024 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF MARCH 2024 Commission File Number: 333-04906 S

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF MARCH 2024 Commission File Number: 333-04906 SK Telecom Co., Ltd. (Translation of registrant’s name into English) 65, Euljiro, Jung-gu Seoul 04539, Korea (Address of principal executive office) In

March 7, 2024 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF MARCH 2024 Commission File Number: 333-04906 S

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF MARCH 2024 Commission File Number: 333-04906 SK Telecom Co., Ltd. (Translation of registrant’s name into English) 65, Euljiro, Jung-gu Seoul 04539, Korea (Address of principal ex

March 7, 2024 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF MARCH 2024 Commission File Number: 333-04906 S

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF MARCH 2024 Commission File Number: 333-04906 SK Telecom Co., Ltd. (Translation of registrant’s name into English) 65, Euljiro, Jung-gu Seoul 04539, Korea (Address of principal ex

February 22, 2024 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF FEBRUARY 2024 Commission File Number: 333-0490

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF FEBRUARY 2024 Commission File Number: 333-04906 SK Telecom Co., Ltd. (Translation of registrant’s name into English) 65, Euljiro, Jung-gu Seoul 04539, Korea (Address of principal executive office)

February 5, 2024 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF FEBRUARY 2024 Commission File Number: 333-0490

Form 6-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF FEBRUARY 2024 Commission File Number: 333-04906 SK Telecom Co., Ltd. (Translation of registrant’s name into English) 65, Euljiro, Jung-gu Seoul 04539, Korea (Address of principal executiv

February 5, 2024 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF FEBRUARY 2024 Commission File Number: 333-0490

Form 6-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF FEBRUARY 2024 Commission File Number: 333-04906 SK Telecom Co., Ltd. (Translation of registrant’s name into English) 65, Euljiro, Jung-gu Seoul 04539, Korea (Address of principal executiv

February 5, 2024 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF FEBRUARY 2024 Commission File Number: 333-0490

Form 6-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF FEBRUARY 2024 Commission File Number: 333-04906 SK Telecom Co., Ltd. (Translation of registrant’s name into English) 65, Euljiro, Jung-gu Seoul 04539, Korea (Address of principal executiv

February 5, 2024 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF FEBRUARY 2024 Commission File Number: 333-0490

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF FEBRUARY 2024 Commission File Number: 333-04906 SK Telecom Co., Ltd. (Translation of registrant’s name into English) 65, Euljiro, Jung-gu Seoul 04539, Korea (Address of principal executive office)

February 2, 2024 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF FEBRUARY 2024 Commission File Number: 333-0490

Form 6-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF FEBRUARY 2024 Commission File Number: 333-04906 SK Telecom Co., Ltd. (Translation of registrant’s name into English) 65, Euljiro, Jung-gu Seoul 04539, Korea (Address of principal executiv

January 30, 2024 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF JANUARY 2024 Commission File Number: 333-04906

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF JANUARY 2024 Commission File Number: 333-04906 SK Telecom Co., Ltd. (Translation of registrant’s name into English) 65, Euljiro, Jung-gu Seoul 04539, Korea (Address of principal executive office)

January 26, 2024 6-K/A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K/A REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF JANUARY 2024 Commission File Number: 333-049

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K/A REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF JANUARY 2024 Commission File Number: 333-04906 SK Telecom Co., Ltd. (Translation of registrant’s name into English) 65, Euljiro, Jung-gu Seoul 04539, Korea (Address of principal executive office

January 26, 2024 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF JANUARY 2024 Commission File Number: 333-04906

Form 6-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF JANUARY 2024 Commission File Number: 333-04906 SK Telecom Co., Ltd. (Translation of registrant’s name into English) 65, Euljiro, Jung-gu Seoul 04539, Korea (Address of principal executive

January 26, 2024 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF JANUARY 2024 Commission File Number: 333-04906

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF JANUARY 2024 Commission File Number: 333-04906 SK Telecom Co., Ltd. (Translation of registrant’s name into English) 65, Euljiro, Jung-gu Seoul 04539, Korea (Address of principal executive office)

January 25, 2024 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF JANUARY 2024 Commission File Number: 333-04906

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF JANUARY 2024 Commission File Number: 333-04906 SK Telecom Co., Ltd. (Translation of registrant’s name into English) 65, Euljiro, Jung-gu Seoul 04539, Korea (Address of principal executive office)

December 12, 2023 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF DECEMBER 2023 COMMISSION FILE NUMBER: 333-0

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF DECEMBER 2023 COMMISSION FILE NUMBER: 333-04906 SK Telecom Co., Ltd. (Translation of registrant’s name into English) 65, Eulji-ro, Jung-gu Seoul 04539, Korea (Address of princ

November 8, 2023 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF NOVEMBER 2023 Commission File Number: 333-0490

Form 6-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF NOVEMBER 2023 Commission File Number: 333-04906 SK Telecom Co., Ltd. (Translation of registrant’s name into English) 65, Euljiro, Jung-gu Seoul 04539, Korea (Address of principal executiv

November 1, 2023 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF NOVEMBER 2023 Commission File Number: 333-0490

Form 6-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF NOVEMBER 2023 Commission File Number: 333-04906 SK Telecom Co., Ltd. (Translation of registrant’s name into English) 65, Euljiro, Jung-gu Seoul 04539, Korea (Address of principal executiv

October 30, 2023 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF OCTOBER 2023 Commission File Number: 333-04906

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF OCTOBER 2023 Commission File Number: 333-04906 SK Telecom Co., Ltd. (Translation of registrant’s name into English) 65, Euljiro, Jung-gu Seoul 04539, Korea (Address of principal executive office)

October 25, 2023 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF OCTOBER 2023 Commission File Number: 333-04906

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF OCTOBER 2023 Commission File Number: 333-04906 SK Telecom Co., Ltd. (Translation of registrant’s name into English) 65, Euljiro, Jung-gu Seoul 04539, Korea (Address of principal executive office)

September 7, 2023 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF SEPTEMBER 2023 COMMISSION FILE NUMBER: 333-

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF SEPTEMBER 2023 COMMISSION FILE NUMBER: 333-04906 SK Telecom Co., Ltd. (Translation of registrant’s name into English) 65, Eulji-ro, Jung-gu Seoul 04539, Korea (Address of prin

August 9, 2023 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF AUGUST 2023 Commission File Number: 333-04906

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF AUGUST 2023 Commission File Number: 333-04906 SK Telecom Co., Ltd. (Translation of registrant’s name into English) 65, Euljiro, Jung-gu Seoul 04539, Korea (Address of principal executive office) I

August 1, 2023 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF AUGUST 2023 Commission File Number: 333-04906

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF AUGUST 2023 Commission File Number: 333-04906 SK Telecom Co., Ltd. (Translation of registrant’s name into English) 65, Euljiro, Jung-gu Seoul 04539, Korea (Address of principal executive office) I

July 31, 2023 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF JULY 2023 Commission File Number: 333-04906 SK

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF JULY 2023 Commission File Number: 333-04906 SK Telecom Co., Ltd. (Translation of registrant’s name into English) 65, Euljiro, Jung-gu Seoul 04539, Korea (Address of principal executive office) Ind

July 27, 2023 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF JULY 2023 Commission File Number: 333-04906 SK

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF JULY 2023 Commission File Number: 333-04906 SK Telecom Co., Ltd. (Translation of registrant’s name into English) 65, Euljiro, Jung-gu Seoul 04539, Korea (Address of principal executive office) Ind

July 27, 2023 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF JULY 2023 Commission File Number: 333-04906 SK

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF JULY 2023 Commission File Number: 333-04906 SK Telecom Co., Ltd. (Translation of registrant’s name into English) 65, Euljiro, Jung-gu Seoul 04539, Korea (Address of principal executive office) Ind

July 27, 2023 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF JULY 2023 Commission File Number: 333-04906 SK

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF JULY 2023 Commission File Number: 333-04906 SK Telecom Co., Ltd. (Translation of registrant’s name into English) 65, Euljiro, Jung-gu Seoul 04539, Korea (Address of principal executive office) Ind

June 30, 2023 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF JUNE 2023 Commission File Number: 333-04906 SK

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF JUNE 2023 Commission File Number: 333-04906 SK Telecom Co., Ltd. (Translation of registrant’s name into English) 65, Euljiro, Jung-gu Seoul 04539, Korea (Address of principal executive office) Ind

June 23, 2023 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF JUNE 2023 Commission File Number: 333-04906 SK

Form 6-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF JUNE 2023 Commission File Number: 333-04906 SK Telecom Co., Ltd. (Translation of registrant’s name into English) 65, Euljiro, Jung-gu Seoul 04539, Korea (Address of principal executive of

June 9, 2023 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF JUNE 2023 COMMISSION FILE NUMBER: 333-04906

Form 6-K Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.

May 10, 2023 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF MAY 2023 Commission File Number: 333-04906 SK

Form 6-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF MAY 2023 Commission File Number: 333-04906 SK Telecom Co., Ltd. (Translation of registrant’s name into English) 65 Euljiro, Jung-gu Seoul 04539, Korea (Address of principal executive offi

May 8, 2023 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF MAY 2023 Commission File Number: 333-04906 SK

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF MAY 2023 Commission File Number: 333-04906 SK Telecom Co., Ltd. (Translation of registrant’s name into English) 65 Euljiro, Jung-gu Seoul 04539, Korea (Address of principal executive office) Indic

April 27, 2023 20-F

As filed with the Securities and Exchange Commission on April 27, 2023 UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 20-F (Mark One) ☐ REGISTRATION STATEMENT PURSUANT TO SECTION 12(b) OR (g) OF THE SECURITIES EXCHANGE A

Table of Contents As filed with the Securities and Exchange Commission on April 27, 2023 UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.

April 27, 2023 EX-12.1

Certification of Principal Executive Officer Pursuant to Section 302 of the Sarbanes-Oxley Act of 2002

EX-12.1 Exhibit 12.1 CERTIFICATION Pursuant to Section 302 of the Sarbanes-Oxley Act 2002 I, Young Sang Ryu, certify that: 1. I have reviewed this annual report on Form 20-F of SK Telecom Co., Ltd.; 2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances unde

April 27, 2023 EX-12.2

Certification of Principal Financial Officer Pursuant to Section 302 of the Sarbanes-Oxley Act of 2002

EX-12.2 Exhibit 12.2 CERTIFICATION Pursuant to Section 302 of the Sarbanes-Oxley Act of 2002 I, Jin Won Kim, certify that: 1. I have reviewed this annual report on Form 20-F of SK Telecom Co., Ltd.; 2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances unde

April 27, 2023 EX-13.1

Certification of Principal Executive Officer Pursuant to 18 U.S.C. Section 1350, As Adopted Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002

EX-13.1 Exhibit 13.1 Certification Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002 (Subsection (a) and (b) of Section 1350, Chapter 63 of Title 18, United States Code) Pursuant to section 906 of the Sarbanes-Oxley Act of 2002 (subsection (a) and (b) of section 1350, chapter 63 of title 18, United States Code), the undersigned officer of SK Telecom Co., Ltd., a corporation organized under

April 27, 2023 EX-13.2

Certification of Principal Financial Officer Pursuant to 18 U.S.C. Section 1350, As Adopted Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002

EX-13.2 Exhibit 13.2 Certification Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002 (Subsection (a) and (b) of Section 1350, Chapter 63 of Title 18, United States Code) Pursuant to section 906 of the Sarbanes-Oxley Act of 2002 (subsection (a) and (b) of section 1350, chapter 63 of title 18, United States Code), the undersigned officer of SK Telecom Co., Ltd., a corporation organized under

April 24, 2023 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF APRIL 2023 Commission File Number: 333-04906 S

6-K 1 d499222d6k.htm FORM 6-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF APRIL 2023 Commission File Number: 333-04906 SK Telecom Co., Ltd. (Translation of registrant’s name into English) 65 Euljiro, Jung-gu Seoul 04539, Korea (Address of p

April 20, 2023 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF APRIL 2023 Commission File Number: 333-04906 S

FORM 6-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF APRIL 2023 Commission File Number: 333-04906 SK Telecom Co., Ltd. (Translation of registrant’s name into English) 65 Euljiro, Jung-gu Seoul 04539, Korea (Address of principal executive of

April 20, 2023 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF APRIL 2023 Commission File Number: 333-04906 S

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF APRIL 2023 Commission File Number: 333-04906 SK Telecom Co., Ltd. (Translation of registrant’s name into English) 65, Euljiro, Jung-gu Seoul 04539, Korea (Address of principal executive office) In

April 18, 2023 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF APRIL 2023 COMMISSION FILE NUMBER: 333-0490

6-K 1 d491672d6k.htm FORM 6-K Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF APRIL 2023 COMMISSION FILE NUMBER: 333-04906 SK Telecom Co., Ltd. (Translation of registrant’s name into English) 65, Eulji-ro, Jung-gu Seoul 045

March 28, 2023 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF MARCH 2022 Commission File Number: 333-04906 S

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF MARCH 2022 Commission File Number: 333-04906 SK Telecom Co., Ltd. (Translation of registrant’s name into English) 65, Euljiro, Jung-gu Seoul 04539, Korea (Address of principal executive office) In

March 28, 2023 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF MARCH 2022 Commission File Number: 333-04906 S

Form 6-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF MARCH 2022 Commission File Number: 333-04906 SK Telecom Co., Ltd. (Translation of registrant’s name into English) 65, Euljiro, Jung-gu Seoul 04539, Korea (Address of principal executive o

March 10, 2023 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF MARCH 2023 Commission File Number: 333-04906 S

Form 6-K Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.

March 10, 2023 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF MARCH 2023 Commission File Number: 333-04906 S

Form 6-K Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.

March 2, 2023 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF MARCH 2023 Commission File Number: 333-04906 S

Form 6-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF MARCH 2023 Commission File Number: 333-04906 SK Telecom Co., Ltd. (Translation of registrant’s name into English) 65 Euljiro, Jung-gu Seoul 04539, Korea (Address of principal executive of

February 24, 2023 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF FEBRUARY 2023 Commission File Number: 333-0490

Form 6-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF FEBRUARY 2023 Commission File Number: 333-04906 SK Telecom Co., Ltd. (Translation of registrant’s name into English) 65 Euljiro, Jung-gu Seoul 04539, Korea (Address of principal executive

February 24, 2023 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF FEBRUARY 2023 Commission File Number: 333-0490

Form 6-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF FEBRUARY 2023 Commission File Number: 333-04906 SK Telecom Co., Ltd. (Translation of registrant’s name into English) 65, Euljiro, Jung-gu Seoul 04539, Korea (Address of principal executiv

February 13, 2023 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF FEBRUARY 2023 Commission File Number: 333-0490

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF FEBRUARY 2023 Commission File Number: 333-04906 SK Telecom Co., Ltd. (Translation of registrant’s name into English) 65 Euljiro, Jung-gu Seoul 04539, Korea (Address of principal executive office)

February 8, 2023 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF FEBRUARY 2023 Commission File Number: 333-0490

Form 6-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF FEBRUARY 2023 Commission File Number: 333-04906 SK Telecom Co., Ltd. (Translation of registrant’s name into English) 65 Euljiro, Jung-gu Seoul 04539, Korea (Address of principal executive

February 8, 2023 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF FEBRUARY 2023 Commission File Number: 333-0490

Form 6-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF FEBRUARY 2023 Commission File Number: 333-04906 SK Telecom Co., Ltd. (Translation of registrant’s name into English) 65, Euljiro, Jung-gu Seoul 04539, Korea (Address of principal executiv

February 8, 2023 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF FEBRUARY 2023 Commission File Number: 333-0490

Form 6-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF FEBRUARY 2023 Commission File Number: 333-04906 SK Telecom Co., Ltd. (Translation of registrant’s name into English) 65, Euljiro, Jung-gu Seoul 04539, Korea (Address of principal executiv

February 8, 2023 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF FEBRUARY 2023 Commission File Number: 333-0490

Form 6-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF FEBRUARY 2023 Commission File Number: 333-04906 SK Telecom Co., Ltd. (Translation of registrant’s name into English) 65, Euljiro, Jung-gu Seoul 04539, Korea (Address of principal executiv

February 8, 2023 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF FEBRUARY 2023 Commission File Number: 333-0490

Form 6-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF FEBRUARY 2023 Commission File Number: 333-04906 SK Telecom Co., Ltd. (Translation of registrant’s name into English) 65 Euljiro, Jung-gu Seoul 04539, Korea (Address of principal executive

February 1, 2023 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF FEBRUARY 2023 Commission File Number: 333-0490

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF FEBRUARY 2023 Commission File Number: 333-04906 SK Telecom Co., Ltd. (Translation of registrant’s name into English) 65 Euljiro, Jung-gu Seoul 04539, Korea (Address of principal executive office)

December 8, 2022 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF DECEMBER 2022 COMMISSION FILE NUMBER: 333-0

6-K 1 d404226d6k.htm FORM 6-K Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF DECEMBER 2022 COMMISSION FILE NUMBER: 333-04906 SK Telecom Co., Ltd. (Translation of registrant’s name into English) 65, Eulji-ro, Jung-gu Seoul

November 10, 2022 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF NOVEMBER 2022 Commission File Number: 333-0490

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF NOVEMBER 2022 Commission File Number: 333-04906 SK Telecom Co., Ltd. (Translation of registrant?s name into English) 65 Euljiro, Jung-gu Seoul 04539, Korea (Address of principal executive office)

November 4, 2022 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF NOVEMBER 2022 Commission File Number: 333-0490

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF NOVEMBER 2022 Commission File Number: 333-04906 SK Telecom Co., Ltd. (Translation of registrant?s name into English) 65 Euljiro, Jung-gu Seoul 04539, Korea (Address of principal executive office)

November 2, 2022 6-K/A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K/A REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF NOVEMBER 2022 Commission File Number: 333-04

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K/A REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF NOVEMBER 2022 Commission File Number: 333-04906 SK Telecom Co., Ltd. (Translation of registrant?s name into English) 65, Euljiro, Jung-gu Seoul 04539, Korea (Address of principal executive offic

October 28, 2022 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF OCTOBER 2022 Commission File Number: 333-04906

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF OCTOBER 2022 Commission File Number: 333-04906 SK Telecom Co., Ltd. (Translation of registrant?s name into English) 65, Euljiro, Jung-gu Seoul 04539, Korea (Address of principal executive office)

September 15, 2022 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF SEPTEMBER 2022 Commission File Number: 333-049

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF SEPTEMBER 2022 Commission File Number: 333-04906 SK Telecom Co., Ltd. (Translation of registrant?s name into English) 65, Euljiro, Jung-gu Seoul 04539, Korea (Address of principal executive office

September 8, 2022 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF SEPTEMBER 2022 COMMISSION FILE NUMBER: 333-

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF SEPTEMBER 2022 COMMISSION FILE NUMBER: 333-04906 SK Telecom Co., Ltd. (Translation of registrant?s name into English) 65, Eulji-ro, Jung-gu Seoul 04539, Korea (Address of prin

August 16, 2022 6-K/A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K/A REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF AUGUST 2022 Commission File Number: 333-0490

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K/A REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF AUGUST 2022 Commission File Number: 333-04906 SK Telecom Co., Ltd. (Translation of registrant?s name into English) 65, Euljiro, Jung-gu Seoul 04539, Korea (Address of principal executive office)

August 9, 2022 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF AUGUST 2022 Commission File Number: 333-04906

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF AUGUST 2022 Commission File Number: 333-04906 SK Telecom Co., Ltd. (Translation of registrant?s name into English) 65 Euljiro, Jung-gu Seoul 04539, Korea (Address of principal executive office) In

August 3, 2022 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF AUGUST 2022 Commission File Number: 333-04906

6-K 1 d385793d6k.htm FORM 6-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF AUGUST 2022 Commission File Number: 333-04906 SK Telecom Co., Ltd. (Translation of registrant’s name into English) 65 Euljiro, Jung-gu Seoul 04539, Korea (Address of

July 28, 2022 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF JULY 2022 Commission File Number: 333-04906 SK

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF JULY 2022 Commission File Number: 333-04906 SK Telecom Co., Ltd. (Translation of registrant?s name into English) 65, Euljiro, Jung-gu Seoul 04539, Korea (Address of principal executive office) Ind

July 22, 2022 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF JULY 2022 Commission File Number: 333-04906 SK

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF JULY 2022 Commission File Number: 333-04906 SK Telecom Co., Ltd. (Translation of registrant?s name into English) 65, Euljiro, Jung-gu Seoul 04539, Korea (Address of principal executive office) Ind

June 30, 2022 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF JUNE 2022 Commission File Number: 333-04906 SK

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF JUNE 2022 Commission File Number: 333-04906 SK Telecom Co., Ltd. (Translation of registrant?s name into English) 65, Euljiro, Jung-gu Seoul 04539, Korea (Address of principal executive office) Ind

June 9, 2022 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF JUNE 2022 COMMISSION FILE NUMBER: 333-04906

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF JUNE 2022 COMMISSION FILE NUMBER: 333-04906 SK Telecom Co., Ltd. (Translation of registrant?s name into English) 65, Eulji-ro, Jung-gu Seoul 04539, Korea (Address of principal

May 20, 2022 SD

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM SD Specialized Disclosure Report SK Telecom Co., Ltd. (Exact name of registrant as specified in its charter) The Republic of Korea 1-14418 None (State or other jurisdiction

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM SD Specialized Disclosure Report SK Telecom Co., Ltd. (Exact name of registrant as specified in its charter) The Republic of Korea 1-14418 None (State or other jurisdiction of incorporation) (Commission File Number) (I.R.S. Employer Identification No.) SK T-Tower, 65, Eulji-ro, Jung-gu Seoul, Korea 04539 (Address of princ

May 17, 2022 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF MAY 2022 Commission File Number: 333-04906 SK

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF MAY 2022 Commission File Number: 333-04906 SK Telecom Co., Ltd. (Translation of registrant?s name into English) 65 Euljiro, Jung-gu Seoul 04539, Korea (Address of principal executive office) Indic

May 10, 2022 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF MAY 2022 Commission File Number: 333-04906 SK

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF MAY 2022 Commission File Number: 333-04906 SK Telecom Co., Ltd. (Translation of registrant?s name into English) 65 Euljiro, Jung-gu Seoul 04539, Korea (Address of principal executive office) Indic

May 9, 2022 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF MAY 2022 Commission File Number: 333-04906 SK

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF MAY 2022 Commission File Number: 333-04906 SK Telecom Co., Ltd. (Translation of registrant?s name into English) 65 Euljiro, Jung-gu Seoul 04539, Korea (Address of principal executive office) Indic

May 2, 2022 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF MAY 2022 Commission File Number: 333-04906 SK

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF MAY 2022 Commission File Number: 333-04906 SK Telecom Co., Ltd. (Translation of registrant?s name into English) 65, Euljiro, Jung-gu Seoul 04539, Korea (Address of principal executive office) Indi

May 2, 2022 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF MAY 2022 Commission File Number: 333-04906 SK

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF MAY 2022 Commission File Number: 333-04906 SK Telecom Co., Ltd. (Translation of registrant?s name into English) 65 Euljiro, Jung-gu Seoul 04539, Korea (Address of principal executive office) Indic

April 28, 2022 EX-13.1

Certification of Principal Executive Officer Pursuant to 18 U.S.C. Section 1350, As Adopted Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002

EX-13.1 Exhibit 13.1 Certification Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002 (Subsection (a) and (b) of Section 1350, Chapter 63 of Title 18, United States Code) Pursuant to section 906 of the Sarbanes-Oxley Act of 2002 (subsection (a) and (b) of section 1350, chapter 63 of title 18, United States Code), the undersigned officer of SK Telecom Co., Ltd., a corporation organized under

April 28, 2022 EX-12.2

Certification of Principal Financial Officer Pursuant to Section 302 of the Sarbanes-Oxley Act of 2002

EX-12.2 Exhibit 12.2 CERTIFICATION Pursuant to Section 302 of the Sarbanes-Oxley Act of 2002 I, Jinwon Kim, certify that: 1. I have reviewed this annual report on Form 20-F of SK Telecom Co., Ltd.; 2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under

April 28, 2022 EX-15.1

Letter of KPMG Samjong dated April 28, 2022

Exhibit 15.1 KPMG Samjong Accounting Corp. 27th Floor, Gangnam Finance Center, 152, Teheran-ro, Gangnam-gu, Seoul, 06236, Republic of Korea Tel: 82 2112 0100 Fax: 82 2112 0101 www.kr.kpmg.com April 28, 2022 Securities and Exchange Commission Washington, D.C. 20549 Ladies and Gentlemen: We have read SK Telecom Co., Ltd.?s statements concerning our Firm made under Item 16.F ?Change in Registrant?s C

April 28, 2022 20-F

As filed with the Securities and Exchange Commission on April 28, 2022 UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 20-F (Mark One) ☐ REGISTRATION STATEMENT PURSUANT TO SECTION 12(b) OR (g) OF THE SECURITIES EXCHANGE A

Table of Contents As filed with the Securities and Exchange Commission on April 28, 2022 UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.

April 28, 2022 EX-12.1

Certification of Principal Executive Officer Pursuant to Section 302 of the Sarbanes-Oxley Act of 2002

EX-12.1 Exhibit 12.1 CERTIFICATION Pursuant to Section 302 of the Sarbanes-Oxley Act 2002 I, Young Sang Ryu, certify that: 1. I have reviewed this annual report on Form 20-F of SK Telecom Co., Ltd.; 2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances unde

April 28, 2022 EX-13.2

Certification of Principal Financial Officer Pursuant to 18 U.S.C. Section 1350, As Adopted Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002

EX-13.2 Exhibit 13.2 Certification Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002 (Subsection (a) and (b) of Section 1350, Chapter 63 of Title 18, United States Code) Pursuant to section 906 of the Sarbanes-Oxley Act of 2002 (subsection (a) and (b) of section 1350, chapter 63 of title 18, United States Code), the undersigned officer of SK Telecom Co., Ltd., a corporation organized under

April 28, 2022 EX-1.1

Articles of Incorporation

Exhibit 1.1 ARTICLES OF INCORPORATION PREMISE The Company will pursue the happiness of its members as the ultimate purpose of business management, and the members will contribute to the sustainability of long-term benefits for the shareholders and the happiness of the stakeholders. For this purpose, the Company will establish its management philosophy as follows and carry out its management activi

April 27, 2022 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF APRIL 2022 COMMISSION FILE NUMBER: 333-0490

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF APRIL 2022 COMMISSION FILE NUMBER: 333-04906 SK Telecom Co., Ltd. (Translation of registrant?s name into English) 65, Eulji-ro, Jung-gu Seoul 04539, Korea (Address of principa

March 31, 2022 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF MARCH 2022 Commission File Number: 333-04906 S

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF MARCH 2022 Commission File Number: 333-04906 SK Telecom Co., Ltd. (Translation of registrant?s name into English) 65, Euljiro, Jung-gu Seoul 04539, Korea (Address of principal executive office) In

March 25, 2022 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF MARCH 2022 Commission File Number: 333-04906 S

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF MARCH 2022 Commission File Number: 333-04906 SK Telecom Co., Ltd. (Translation of registrant?s name into English) 65, Euljiro, Jung-gu Seoul 04539, Korea (Address of principal executive office) In

March 25, 2022 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF MARCH 2022 Commission File Number: 333-04906 S

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF MARCH 2022 Commission File Number: 333-04906 SK Telecom Co., Ltd. (Translation of registrant?s name into English) 65, Euljiro, Jung-gu Seoul 04539, Korea (Address of principal executive office) In

March 15, 2022 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF MARCH 2022 Commission File Number: 333-04906 S

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF MARCH 2022 Commission File Number: 333-04906 SK Telecom Co., Ltd. (Translation of registrant?s name into English) 65, Euljiro, Jung-gu Seoul 04539, Korea (Address of principal executive office) In

March 14, 2022 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF MARCH 2022 Commission File Number: 333-04906 S

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF MARCH 2022 Commission File Number: 333-04906 SK Telecom Co., Ltd. (Translation of registrant?s name into English) 65, Euljiro, Jung-gu Seoul 04539, Korea (Address of principal executive office) In

March 10, 2022 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF MARCH 2022 Commission File Number: 333-04906 S

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF MARCH 2022 Commission File Number: 333-04906 SK Telecom Co., Ltd. (Translation of registrant?s name into English) 65, Euljiro, Jung-gu Seoul 04539, Korea (Address of principal ex

March 10, 2022 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF MARCH 2022 Commission File Number: 333-04906 S

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF MARCH 2022 Commission File Number: 333-04906 SK Telecom Co., Ltd. (Translation of registrant?s name into English) 65, Euljiro, Jung-gu Seoul 04539, Korea (Address of principal ex

February 28, 2022 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF FEBRUARY 2022 Commission File Number: 333-0490

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF FEBRUARY 2022 Commission File Number: 333-04906 SK Telecom Co., Ltd. (Translation of registrant?s name into English) 65 Euljiro, Jung-gu Seoul 04539, Korea (Address of principal executive office)

February 24, 2022 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF FEBRUARY 2022 Commission File Number: 333-0490

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF FEBRUARY 2022 Commission File Number: 333-04906 SK Telecom Co., Ltd. (Translation of registrant?s name into English) 65 Euljiro, Jung-gu Seoul 04539, Korea (Address of principal executive office)

February 24, 2022 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF FEBRUARY 2022 Commission File Number: 333-0490

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF FEBRUARY 2022 Commission File Number: 333-04906 SK Telecom Co., Ltd. (Translation of registrant?s name into English) 65, Euljiro, Jung-gu Seoul 04539, Korea (Address of principal executive office)

February 14, 2022 SC 13G/A

NNOX / Nano-X Imaging Ltd / SK TELECOM CO LTD - SCHEDULE 13G AMENDMENT NO. 1 Passive Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. 1)* Nano-X Imaging Ltd. (Name of Issuer) Ordinary shares (Title of Class of Securities) M70700105 (CUSIP Number) December 31, 2021 (Date of Event Which Requires Filing of this Statement) Check appropriate box to designate the rule pursuant to which this Sche

February 9, 2022 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF FEBRUARY 2022 Commission File Number: 333-0490

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF FEBRUARY 2022 Commission File Number: 333-04906 SK Telecom Co., Ltd. (Translation of registrant?s name into English) 65, Euljiro, Jung-gu Seoul 04539, Korea (Address of principal executive office)

February 9, 2022 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF FEBRUARY 2022 Commission File Number: 333-0490

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF FEBRUARY 2022 Commission File Number: 333-04906 SK Telecom Co., Ltd. (Translation of registrant?s name into English) 65, Euljiro, Jung-gu Seoul 04539, Korea (Address of principal executive office)

February 9, 2022 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF FEBRUARY 2022 Commission File Number: 333-0490

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF FEBRUARY 2022 Commission File Number: 333-04906 SK Telecom Co., Ltd. (Translation of registrant?s name into English) 65, Euljiro, Jung-gu Seoul 04539, Korea (Address of principal executive office)

February 9, 2022 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF FEBRUARY 2022 Commission File Number: 333-0490

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF FEBRUARY 2022 Commission File Number: 333-04906 SK Telecom Co., Ltd. (Translation of registrant?s name into English) 65, Euljiro, Jung-gu Seoul 04539, Korea (Address of principal executive office)

February 9, 2022 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF FEBRUARY 2022 Commission File Number: 333-0490

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF FEBRUARY 2022 Commission File Number: 333-04906 SK Telecom Co., Ltd. (Translation of registrant?s name into English) 65 Euljiro, Jung-gu Seoul 04539, Korea (Address of principal executive office)

February 3, 2022 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF FEBRUARY 2022 Commission File Number: 333-0490

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF FEBRUARY 2022 Commission File Number: 333-04906 SK Telecom Co., Ltd. (Translation of registrant?s name into English) 65 Euljiro, Jung-gu Seoul 04539, Korea (Address of principal executive office)

January 27, 2022 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF JANUARY 2022 Commission File Number: 333-04906

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF JANUARY 2022 Commission File Number: 333-04906 SK Telecom Co., Ltd. (Translation of registrant?s name into English) 65 Euljiro, Jung-gu Seoul 04539, Korea (Address of principal executive office) I

January 21, 2022 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF JANUARY 2022 Commission File Number: 333-04906

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF JANUARY 2022 Commission File Number: 333-04906 SK Telecom Co., Ltd. (Translation of registrant?s name into English) 65 Euljiro, Jung-gu Seoul 04539, Korea (Address of principal executive office) I

December 20, 2021 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF DECEMBER 2021 Commission File Number: 333-0490

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF DECEMBER 2021 Commission File Number: 333-04906 SK Telecom Co., Ltd. (Translation of registrant?s name into English) 65 Euljiro, Jung-gu Seoul 04539, Korea (Address of principal executive office)

December 13, 2021 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF DECEMBER 2021 COMMISSION FILE NUMBER: 333-0

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF DECEMBER 2021 COMMISSION FILE NUMBER: 333-04906 SK Telecom Co., Ltd. (Translation of registrant?s name into English) 65, Eulji-ro, Jung-gu Seoul 04539, Korea (Address of princ

November 30, 2021 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF NOVEMBER 2021 Commission File Number: 333-0490

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF NOVEMBER 2021 Commission File Number: 333-04906 SK Telecom Co., Ltd. (Translation of registrant?s name into English) 65, Euljiro, Jung-gu Seoul 04539, Korea (Address of principal executive office)

November 12, 2021 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF NOVEMBER 2021 Commission File Number: 333-0490

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF NOVEMBER 2021 Commission File Number: 333-04906 SK Telecom Co., Ltd. (Translation of registrant?s name into English) 65 Euljiro, Jung-gu Seoul 04539, Korea (Address of principal executive office)

November 2, 2021 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF NOVEMBER 2021 Commission File Number: 333-0490

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF NOVEMBER 2021 Commission File Number: 333-04906 SK Telecom Co., Ltd. (Translation of registrant?s name into English) 65, Euljiro, Jung-gu Seoul 04539, Korea (Address of principal executive office)

November 1, 2021 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF NOVEMBER 2021 Commission File Number: 333-0490

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF NOVEMBER 2021 Commission File Number: 333-04906 SK Telecom Co., Ltd. (Translation of registrant?s name into English) 65, Euljiro, Jung-gu Seoul 04539, Korea (Address of principal executive office)

November 1, 2021 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF NOVEMBER 2021 Commission File Number: 333-0490

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF NOVEMBER 2021 Commission File Number: 333-04906 SK Telecom Co., Ltd. (Translation of registrant?s name into English) 65 Euljiro, Jung-gu Seoul 04539, Korea (Address of principal executive office)

October 12, 2021 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF OCTOBER 2021 Commission File Number: 333-04906

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF OCTOBER 2021 Commission File Number: 333-04906 SK Telecom Co., Ltd. (Translation of registrant?s name into English) 65 Euljiro, Jung-gu Seoul 04539, Korea (Address of principal executive office) I

October 12, 2021 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF OCTOBER 2021 Commission File Number: 333-04906

6-K 1 d241736d6k.htm FORM 6-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF OCTOBER 2021 Commission File Number: 333-04906 SK Telecom Co., Ltd. (Translation of registrant’s name into English) 65, Euljiro, Jung-gu Seoul 04539, Korea (Address o

September 16, 2021 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF SEPTEMBER 2021 Commission File Number: 333-049

6-K 1 d212798d6k.htm FORM 6-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF SEPTEMBER 2021 Commission File Number: 333-04906 SK Telecom Co., Ltd. (Translation of registrant’s name into English) 65, Euljiro, Jung-gu Seoul 04539, Korea (Address

September 14, 2021 EX-99.1

Spin-off Plan

Exhibit 99.1 Spin-off Plan Pursuant to Articles 530-2 through 530-11 of the Commercial Code of Korea, SK Telecom Co., Ltd. (the ?Company? and, following the completion of the Spin-off, the ?Surviving Company?) intends to establish a new company (the ?Spin-off Company?) through a simple horizontal spin-off in accordance with the terms of this Spin-off Plan as further described below (the ?Spin-off?

September 14, 2021 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF SEPTEMBER 2021 Commission File Number: 333-049

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF SEPTEMBER 2021 Commission File Number: 333-04906 SK Telecom Co., Ltd. (Translation of registrant?s name into English) 65, Eulji-ro, Jung-gu Seoul 04539, Korea (Address of principal executive offic

September 8, 2021 EX-99.1

INFORMATION STATEMENT DATED SEPTEMBER 8, 2021 SK TELECOM CO., LTD.

Exhibit 99.1 INFORMATION STATEMENT DATED SEPTEMBER 8, 2021 SK TELECOM CO., LTD. This Information Statement relates to the proposed establishment of a new company to be named SK Square Co., Ltd. (?Spinco?) through a spin-off (the ?Spin-off?) of the businesses of SK Telecom Co., Ltd. (?SK Telecom?) related to the management of its equity interests in certain subsidiaries and investees (the ?Spin-off

September 8, 2021 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF SEPTEMBER 2021 Commission File Number: 333-049

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF SEPTEMBER 2021 Commission File Number: 333-04906 SK Telecom Co., Ltd. (Translation of registrant?s name into English) 65, Euljiro, Jung-gu Seoul 04539, Korea (Address of principal executive office

August 27, 2021 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF AUGUST 2021 COMMISSION FILE NUMBER: 333-049

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF AUGUST 2021 COMMISSION FILE NUMBER: 333-04906 SK Telecom Co., Ltd. (Translation of registrant?s name into English) 65, Eulji-ro, Jung-gu Seoul 04539, Korea (Address of princip

August 27, 2021 6-K/A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K/A REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF AUGUST 2021 Commission File Number: 333-0490

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K/A REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF AUGUST 2021 Commission File Number: 333-04906 SK Telecom Co., Ltd. (Translation of registrant?s name into English) 65, Euljiro, Jung-gu Seoul 04539, Korea (Address of principal executive office)

August 17, 2021 6-K/A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K/A REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF AUGUST 2021 Commission File Number: 333-0

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K/A REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF AUGUST 2021 Commission File Number: 333-04906 SK Telecom Co., Ltd. (Translation of registrant?s name into English) 65 Euljiro, Jung-gu Seoul 04539, Korea (Address of principal executive offic

August 11, 2021 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF AUGUST 2021 Commission File Number: 333-04906

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF AUGUST 2021 Commission File Number: 333-04906 SK Telecom Co., Ltd. (Translation of registrant?s name into English) 65 Euljiro, Jung-gu Seoul 04539, Korea (Address of principal executive office) In

August 11, 2021 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF AUGUST 2021 Commission File Number: 333-04906

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF AUGUST 2021 Commission File Number: 333-04906 SK Telecom Co., Ltd. (Translation of registrant?s name into English) 65, Euljiro, Jung-gu Seoul 04539, Korea (Address of principal executive office) I

August 4, 2021 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF AUGUST 2021 Commission File Number: 333-04906

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF AUGUST 2021 Commission File Number: 333-04906 SK Telecom Co., Ltd. (Translation of registrant?s name into English) 65 Euljiro, Jung-gu Seoul 04539, Korea (Address of principal executive office) In

July 27, 2021 6-K/A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K/A REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF JULY 2021 Commission File Number: 333-049

6-K/A 1 d206675d6ka.htm FORM 6-K/A UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K/A REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF JULY 2021 Commission File Number: 333-04906 SK Telecom Co., Ltd. (Translation of registrant’s name into English) 65 Euljiro, Jung-gu Seoul 04539, Korea (Add

July 23, 2021 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF JULY 2021 Commission File Number: 333-04906 SK

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF JULY 2021 Commission File Number: 333-04906 SK Telecom Co., Ltd. (Translation of registrant?s name into English) 65, Euljiro, Jung-gu Seoul 04539, Korea (Address of principal executive office) Ind

July 16, 2021 6-K/A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K/A REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF JULY 2021 Commission File Number: 333-049

6-K/A 1 d149124d6ka.htm FORM 6-K/A UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K/A REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF JULY 2021 Commission File Number: 333-04906 SK Telecom Co., Ltd. (Translation of registrant’s name into English) 65 Euljiro, Jung-gu Seoul 04539, Korea (Add

July 16, 2021 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF JULY 2021 Commission File Number: 333-04906 SK

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF JULY 2021 Commission File Number: 333-04906 SK Telecom Co., Ltd. (Translation of registrant?s name into English) 65, Euljiro, Jung-gu Seoul 04539, Korea (Address of principal exe

June 28, 2021 6-K/A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K/A REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF JUNE 2021 Commission File Number: 333-049

6-K/A 1 d154724d6ka.htm FORM 6-K/A UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K/A REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF JUNE 2021 Commission File Number: 333-04906 SK Telecom Co., Ltd. (Translation of registrant’s name into English) 65 Euljiro, Jung-gu Seoul 04539, Korea (Add

June 23, 2021 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF JUNE 2021 Commission File Number: 333-04906 SK

6-K 1 d164853d6k.htm FORM 6-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF JUNE 2021 Commission File Number: 333-04906 SK Telecom Co., Ltd. (Translation of registrant’s name into English) 65 Euljiro, Jung-gu Seoul 04539, Korea (Address of pr

June 16, 2021 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF JUNE 2021 Commission File Number: 333-04906 SK

6-K 1 d34087d6k.htm FORM 6-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF JUNE 2021 Commission File Number: 333-04906 SK Telecom Co., Ltd. (Translation of registrant’s name into English) 65, Euljiro, Jung-gu Seoul 04539, Korea (Address of pr

June 15, 2021 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF JUNE 2021 COMMISSION FILE NUMBER: 333-04906

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF JUNE 2021 COMMISSION FILE NUMBER: 333-04906 SK Telecom Co., Ltd. (Translation of registrant?s name into English) 65, Eulji-ro, Jung-gu Seoul 04539, Korea (Address of principal

June 14, 2021 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF JUNE 2021 Commission File Number: 333-04906 SK

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF JUNE 2021 Commission File Number: 333-04906 SK Telecom Co., Ltd. (Translation of registrant?s name into English) 65, Euljiro, Jung-gu Seoul 04539, Korea (Address of principal executive office) Ind

June 11, 2021 6-K/A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K/A REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF JUNE 2021 Commission File Number: 333-049

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K/A REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF JUNE 2021 Commission File Number: 333-04906 SK Telecom Co., Ltd. (Translation of registrant?s name into English) 65 Euljiro, Jung-gu Seoul 04539, Korea (Address of principal executive office)

June 10, 2021 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF JUNE 2021 Commission File Number: 333-04906 SK

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF JUNE 2021 Commission File Number: 333-04906 SK Telecom Co., Ltd. (Translation of registrant?s name into English) 65, Euljiro, Jung-gu Seoul 04539, Korea (Address of principal executive office) Ind

June 10, 2021 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF JUNE 2021 Commission File Number: 333-04906 SK

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF JUNE 2021 Commission File Number: 333-04906 SK Telecom Co., Ltd. (Translation of registrant?s name into English) 65, Euljiro, Jung-gu Seoul 04539, Korea (Address of principal executive office) Ind

June 10, 2021 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF JUNE 2021 Commission File Number: 333-04906 SK

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF JUNE 2021 Commission File Number: 333-04906 SK Telecom Co., Ltd. (Translation of registrant?s name into English) 65, Euljiro, Jung-gu Seoul 04539, Korea (Address of principal executive office) Ind

June 10, 2021 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF JUNE 2021 Commission File Number: 333-04906 SK

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF JUNE 2021 Commission File Number: 333-04906 SK Telecom Co., Ltd. (Translation of registrant?s name into English) 65 Euljiro, Jung-gu Seoul 04539, Korea (Address of principal executive office) Indi

June 10, 2021 EX-99.1

Spin-off Plan

Exhibit 99.1 Spin-off Plan Pursuant to Articles 530-2 through 530-11 of the Commercial Code of Korea, SK Telecom Co., Ltd. (the ?Company? and, following the completion of the Spin-off, the ?Surviving Company?) intends to establish a new company (the ?Spin-off Company?) through a simple horizontal spin-off in accordance with the terms of this Spin-off Plan as further described below (the ?Spin-off?

June 1, 2021 SD

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM SD Specialized Disclosure Report SK Telecom Co., Ltd. (Exact name of registrant as specified in its charter) The Republic of Korea 1-14418 None (State or other jurisdiction

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM SD Specialized Disclosure Report SK Telecom Co., Ltd. (Exact name of registrant as specified in its charter) The Republic of Korea 1-14418 None (State or other jurisdiction of incorporation) (Commission File Number) (I.R.S. Employer Identification No.) SK T-Tower, 65, Eulji-ro, Jung-gu Seoul, Korea 04539 (Address of princ

May 11, 2021 6-K

Current Report of Foreign Issuer - FORM 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF MAY 2021 Commission File Number: 333-04906 SK Telecom Co., Ltd. (Translation of registrant?s name into English) 65 Euljiro, Jung-gu Seoul 04539, Korea (Address of principal executive office) Indic

May 7, 2021 6-K

Current Report of Foreign Issuer - FORM 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF MAY 2021 Commission File Number: 333-04906 SK Telecom Co., Ltd. (Translation of registrant?s name into English) 65 Euljiro, Jung-gu Seoul 04539, Korea (Address of principal executive office) Indic

May 4, 2021 6-K

Current Report of Foreign Issuer - FORM 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF MAY 2021 Commission File Number: 333-04906 SK Telecom Co., Ltd. (Translation of registrant?s name into English) 65, Euljiro, Jung-gu Seoul 04539, Korea (Address of principal executive office) Indi

April 30, 2021 6-K

Current Report of Foreign Issuer - FORM 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF APRIL 2021 Commission File Number: 333-04906 SK Telecom Co., Ltd. (Translation of registrant?s name into English) 65, Euljiro, Jung-gu Seoul 04539, Korea (Address of principal executive office) In

April 30, 2021 6-K

Current Report of Foreign Issuer - FORM 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF APRIL 2021 Commission File Number: 333-04906 SK Telecom Co., Ltd. (Translation of registrant?s name into English) 65, Euljiro, Jung-gu Seoul 04539, Korea (Address of principal executive office) In

April 29, 2021 EX-12.2

Certification of Principal Financial Officer Pursuant to Section 302 of the Sarbanes-Oxley Act of 2002

EX-12.2 Exhibit 12.2 CERTIFICATION Pursuant to Section 302 of the Sarbanes-Oxley Act of 2002 I, Poong Young Yoon, certify that: 1. I have reviewed this annual report on Form 20-F of SK Telecom Co., Ltd.; 2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances

April 29, 2021 EX-12.1

Certification of Principal Executive Officer Pursuant to Section 302 of the Sarbanes-Oxley Act of 2002

Exhibit 12.1 CERTIFICATION Pursuant to Section 302 of the Sarbanes-Oxley Act 2002 I, Jung Ho Park, certify that: 1. I have reviewed this annual report on Form 20-F of SK Telecom Co., Ltd.; 2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which su

April 29, 2021 EX-1.1

Articles of Incorporation

Exhibit 1.1 ARTICLES OF INCORPORATION PREMISE The Company will pursue the happiness of its members as the ultimate purpose of business management, and the members will contribute to the sustainability of long-term benefits for the shareholders and the happiness of the stakeholders. For this purpose, the Company will establish its management philosophy as follows and carry out its management activi

April 29, 2021 20-F

As filed with the Securities and Exchange Commission on April 29, 2021 UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 20-F

Table of Contents As filed with the Securities and Exchange Commission on April 29, 2021 UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.

April 29, 2021 EX-13.2

Certification of Principal Financial Officer Pursuant to 18 U.S.C. Section 1350, As Adopted Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002

Exhibit 13.2 Certification Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002 (Subsection (a) and (b) of Section 1350, Chapter 63 of Title 18, United States Code) Pursuant to section 906 of the Sarbanes-Oxley Act of 2002 (subsection (a) and (b) of section 1350, chapter 63 of title 18, United States Code), the undersigned officer of SK Telecom Co., Ltd., a corporation organized under the law

April 29, 2021 EX-13.1

Certification of Principal Executive Officer Pursuant to 18 U.S.C. Section 1350, As Adopted Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002

EX-13.1 Exhibit 13.1 Certification Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002 (Subsection (a) and (b) of Section 1350, Chapter 63 of Title 18, United States Code) Pursuant to section 906 of the Sarbanes-Oxley Act of 2002 (subsection (a) and (b) of section 1350, chapter 63 of title 18, United States Code), the undersigned officer of SK Telecom Co., Ltd., a corporation organized under

April 16, 2021 6-K

Current Report of Foreign Issuer - FORM 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF APRIL 2021 COMMISSION FILE NUMBER: 333-04906 SK Telecom Co., Ltd. (Translation of registrant?s name into English) 65, Eulji-ro, Jung-gu Seoul 04539, Korea (Address of principal executive office

April 14, 2021 6-K

Current Report of Foreign Issuer - FORM 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF APRIL 2021 Commission File Number: 333-04906 SK Telecom Co., Ltd. (Translation of registrant?s name into English) 65 Euljiro, Jung-gu Seoul 04539, Korea (Address of principal executive office) Ind

March 25, 2021 6-K

Current Report of Foreign Issuer - FORM 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF MARCH 2021 Commission File Number: 333-04906 SK Telecom Co., Ltd. (Translation of registrant?s name into English) 65, Eulji-ro, Jung-gu Seoul 04539, Korea (Address of principal executive office) I

March 25, 2021 6-K

Current Report of Foreign Issuer - FORM 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF MARCH 2021 Commission File Number: 333-04906 SK Telecom Co., Ltd. (Translation of registrant?s name into English) 65, Eulji-ro, Jung-gu Seoul 04539, Korea (Address of principal executive office) I

March 12, 2021 6-K

Current Report of Foreign Issuer - FORM 6-K

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF MARCH 2021 Commission File Number: 333-04906 SK Telecom Co., Ltd. (Translation of registrant?s name into English) 65 Euljiro, Jung-gu Seoul 04539, Korea (Address of principal exe

March 12, 2021 6-K

Current Report of Foreign Issuer - FORM 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF MARCH 2021 Commission File Number: 333-04906 SK Telecom Co., Ltd. (Translation of registrant?s name into English) 65 Euljiro, Jung-gu Seoul 04539, Korea (Address of principal executive office) Ind

February 26, 2021 6-K

Current Report of Foreign Issuer - FORM 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF FEBRUARY 2021 Commission File Number: 333-04906 SK Telecom Co., Ltd. (Translation of registrant?s name into English) 65, Eulji-ro, Jung-gu Seoul 04539, Korea (Address of principal executive office

February 11, 2021 SC 13G

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. )* Nano-X Imaging Ltd. (Name of Issuer) Ordinary shares (Title of Class of Securities) (CUSIP Number) Decemb

SCHEDULE 13G UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. )* Nano-X Imaging Ltd. (Name of Issuer) Ordinary shares (Title of Class of Securities) M70700105 (CUSIP Number) December 31, 2020 (Date of Event Which Requires Filing of this Statement) Check appropriate box to designate the rule pursuant to whi

February 11, 2021 EX-99.1

JOINT FILING AGREEMENT

EX-99.1 2 d112268dex991.htm EX-99.1 Exhibit 99.1 JOINT FILING AGREEMENT In accordance with Rule 13d-1(k) promulgated under the Securities Exchange Act of 1934, as amended, the undersigned hereby agree to the joint filing with the other Reporting Person (as such term is defined in the Schedule 13G referred to below) on behalf of each of them of a statement on Schedule 13G (including amendments ther

February 9, 2021 6-K

Current Report of Foreign Issuer - FORM 6-K

6-K 1 d73982d6k.htm FORM 6-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF FEBRUARY 2021 Commission File Number: 333-04906 SK Telecom Co., Ltd. (Translation of registrant’s name into English) 65 Euljiro, Jung-gu Seoul 04539, Korea (Address of

February 3, 2021 6-K

Current Report of Foreign Issuer - FORM 6-K

Form 6-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF FEBRUARY 2021 Commission File Number: 333-04906 SK Telecom Co., Ltd. (Translation of registrant’s name into English) 65 Euljiro, Jung-gu Seoul 04539, Korea (Address of principal executive

February 3, 2021 6-K

Current Report of Foreign Issuer - FORM 6-K

6-K 1 d103624d6k.htm FORM 6-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF FEBRUARY 2021 Commission File Number: 333-04906 SK Telecom Co., Ltd. (Translation of registrant’s name into English) 65 Euljiro, Jung-gu Seoul 04539, Korea (Address o

February 3, 2021 6-K

Current Report of Foreign Issuer - FORM 6-K

Form 6-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF FEBRUARY 2021 Commission File Number: 333-04906 SK Telecom Co., Ltd. (Translation of registrant’s name into English) 65 Euljiro, Jung-gu Seoul 04539, Korea (Address of principal executive

February 2, 2021 6-K

Current Report of Foreign Issuer - FORM 6-K

Form 6-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF FEBRUARY 2021 Commission File Number: 333-04906 SK Telecom Co., Ltd. (Translation of registrant’s name into English) 65 Euljiro, Jung-gu Seoul 04539, Korea (Address of principal executive

February 2, 2021 6-K

Current Report of Foreign Issuer - FORM 6-K

Form 6-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF FEBRUARY 2021 Commission File Number: 333-04906 SK Telecom Co., Ltd. (Translation of registrant’s name into English) 65 Euljiro, Jung-gu Seoul 04539, Korea (Address of principal executive

January 29, 2021 6-K

Current Report of Foreign Issuer - FORM 6-K

Form 6-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF JANUARY 2021 Commission File Number: 333-04906 SK Telecom Co., Ltd. (Translation of registrant’s name into English) 65 Euljiro, Jung-gu Seoul 04539, Korea (Address of principal executive

December 30, 2020 6-K

Current Report of Foreign Issuer - FORM 6-K

6-K 1 d23944d6k.htm FORM 6-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF DECEMBER 2020 Commission File Number: 333-04906 SK Telecom Co., Ltd. (Translation of registrant’s name into English) 65, Euljiro, Jung-gu Seoul 04539, Korea (Address o

December 15, 2020 6-K

Current Report of Foreign Issuer - FORM 6-K

6-K 1 d21396d6k.htm FORM 6-K Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF DECEMBER 2020 COMMISSION FILE NUMBER: 333-04906 SK Telecom Co., Ltd. (Translation of registrant’s name into English) 65, Eulji-ro, Jung-gu Seoul 0

December 7, 2020 6-K

Current Report of Foreign Issuer - FORM 6-K

Form 6-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF DECEMBER 2020 Commission File Number: 333-04906 SK Telecom Co., Ltd. (Translation of registrant’s name into English) 65, Euljiro, Jung-gu Seoul 04539, Korea (Address of principal executiv

November 27, 2020 6-K

Current Report of Foreign Issuer - FORM 6-K

Form 6-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF NOVEMBER 2020 Commission File Number: 333-04906 SK Telecom Co., Ltd. (Translation of registrant’s name into English) 65, Euljiro, Jung-gu Seoul 04539, Korea (Address of principal executiv

November 9, 2020 6-K

Current Report of Foreign Issuer - FORM 6-K

6-K 1 d815076d6k.htm FORM 6-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF NOVEMBER 2020 Commission File Number: 333-04906 SK Telecom Co., Ltd. (Translation of registrant’s name into English) 65 Euljiro, Jung-gu Seoul 04539, Korea (Address o

November 5, 2020 6-K

Current Report of Foreign Issuer - FORM 6-K

6-K 1 d45678d6k.htm FORM 6-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF NOVEMBER 2020 Commission File Number: 333-04906 SK Telecom Co., Ltd. (Translation of registrant’s name into English) 65 Euljiro, Jung-gu Seoul 04539, Korea (Address of

October 30, 2020 6-K

Current Report of Foreign Issuer - FORM 6-K

Form 6-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF OCTOBER 2020 Commission File Number: 333-04906 SK Telecom Co., Ltd. (Translation of registrant’s name into English) 65 Euljiro, Jung-gu Seoul 04539, Korea (Address of principal executive

October 16, 2020 6-K

Current Report of Foreign Issuer - FORM 6-K

Form 6-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF OCTOBER 2020 Commission File Number: 333-04906 SK Telecom Co., Ltd. (Translation of registrant’s name into English) 65, Euljiro, Jung-gu Seoul 04539, Korea (Address of principal executive

October 16, 2020 6-K

Current Report of Foreign Issuer - FORM 6-K

6-K 1 d140461d6k.htm FORM 6-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF OCTOBER 2020 Commission File Number: 333-04906 SK Telecom Co., Ltd. (Translation of registrant’s name into English) 65, Euljiro, Jung-gu Seoul 04539, Korea (Address o

September 14, 2020 6-K

Current Report of Foreign Issuer - FORM 6-K

Form 6-K Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.

August 28, 2020 6-K

Current Report of Foreign Issuer - FORM 6-K

6-K 1 d59844d6k.htm FORM 6-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF AUGUST 2020 Commission File Number: 333-04906 SK Telecom Co., Ltd. (Translation of registrant’s name into English) 65, Euljiro, Jung-gu Seoul 04539, Korea (Address of

August 6, 2020 6-K

Current Report of Foreign Issuer - FORM 6-K

Form 6-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF AUGUST 2020 Commission File Number: 333-04906 SK Telecom Co., Ltd. (Translation of registrant’s name into English) 65 Euljiro, Jung-gu Seoul 04539, Korea (Address of principal executive o

August 3, 2020 6-K/A

Current Report of Foreign Issuer - FORM 6-K/A

Form 6-K/A UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K/A REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF AUGUST 2020 Commission File Number: 333-04906 SK Telecom Co., Ltd. (Translation of registrant’s name into English) 65 Euljiro, Jung-gu Seoul 04539, Korea (Address of principal exec

July 30, 2020 6-K

Current Report of Foreign Issuer - FORM 6-K

Form 6-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF JULY 2020 Commission File Number: 333-04906 SK Telecom Co., Ltd. (Translation of registrant’s name into English) 65 Euljiro, Jung-gu Seoul 04539, Korea (Address of principal executive off

July 22, 2020 6-K

Current Report of Foreign Issuer - FORM 6-K

Form 6-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF JULY 2020 Commission File Number: 333-04906 SK Telecom Co., Ltd. (Translation of registrant’s name into English) 65, Euljiro, Jung-gu Seoul 04539, Korea (Address of principal executive of

June 15, 2020 6-K

Current Report of Foreign Issuer - FORM 6-K

FORM 6-K Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.

June 15, 2020 6-K

Current Report of Foreign Issuer - FORM 6-K

Form 6-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF JUNE 2020 Commission File Number: 333-04906 SK Telecom Co., Ltd. (Translation of registrant’s name into English) 65, Euljiro, Jung-gu Seoul 04539, Korea (Address of principal executive of

May 29, 2020 SD

- FORM SD

SD 1 d916246dsd.htm FORM SD UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM SD Specialized Disclosure Report SK Telecom Co., Ltd. (Exact name of registrant as specified in its charter) The Republic of Korea 1-14418 None (State or other jurisdiction of incorporation) (Commission File Number) (I.R.S. Employer Identification No.) SK T-Tower, 65, Eulji-ro, Jung-gu Seoul, K

May 8, 2020 6-K

Current Report of Foreign Issuer - FORM 6-K

6-K 1 d926806d6k.htm FORM 6-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF MAY 2020 Commission File Number: 333-04906 SK Telecom Co., Ltd. (Translation of registrant’s name into English) 65 Euljiro, Jung-gu Seoul 04539, Korea (Address of pri

April 29, 2020 6-K

Current Report of Foreign Issuer - FORM 6-K

Form 6-K Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.

April 29, 2020 EX-13.2

Certification of Principal Financial Officer Pursuant to 18 U.S.C. Section 1350, As Adopted Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002

EX-13.2 Exhibit 13.2 Certification Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002 (Subsection (a) and (b) of Section 1350, Chapter 63 of Title 18, United States Code) Pursuant to section 906 of the Sarbanes-Oxley Act of 2002 (subsection (a) and (b) of section 1350, chapter 63 of title 18, United States Code), the undersigned officer of SK Telecom Co., Ltd., a corporation organized under

April 29, 2020 EX-1.1

Articles of Incorporation

EX-1.1 Exhibit 1.1 ARTICLES OF INCORPORATION PREMISE The Company will pursue the happiness of its members as the ultimate purpose of business management, and the members will contribute to the sustainability of long-term benefits for the shareholders and the happiness of the stakeholders. For this purpose, the Company will establish its management philosophy as follows and carry out its management

April 29, 2020 20-F

- FORM 20-F

Form 20-F Table of Contents As filed with the Securities and Exchange Commission on April 29, 2020 UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.

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