FTNT / Fortinet, Inc. - Документы SEC, Годовой отчет, Доверенное заявление

Фортинет, Инк.
US ˙ NasdaqGS ˙ US34959E1091

Основная статистика
LEI 549300O0QJWDBAS0QX03
CIK 1262039
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 Fortinet, Inc.
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 22, 2025 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): August 21, 2025 FORTINET, INC. (Exa

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): August 21, 2025 FORTINET, INC.

August 8, 2025 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (Mark One) ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended June 30, 2025 or ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission file number: 00

August 8, 2025 EX-10.2

FORTINET STRATEGIC ADVISORY COUNCIL MEMBER AGREEMENT

Exhibit 10.2 FORTINET STRATEGIC ADVISORY COUNCIL MEMBER AGREEMENT The objective of the Fortinet Strategic Advisory Council (“FSAC”) is to solidify Fortinet as a cybersecurity leader in the US and key international markets by growing brand awareness and building vital relationships. The undersigned (“Member”) hereby agrees to serve as a member of the FSAC, in a consulting capacity solely, and not a

August 8, 2025 EX-10.1

FORTINET, INC. CHANGE OF CONTROL SEVERANCE AGREEMENT

Exhibit 10.1 FORTINET, INC. CHANGE OF CONTROL SEVERANCE AGREEMENT This Change of Control Severance Agreement (this “Agreement”) is made and entered into by and between Christiane Ohlgart (“Executive”) and Fortinet, Inc. (the “Company”), effective as of May 15, 2025 (the “Effective Date”). RECITALS 1. It is expected that the Company from time to time will consider the possibility of an acquisition

August 6, 2025 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): August 6, 2025 FORTINET, INC. (Exac

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): August 6, 2025 FORTINET, INC.

August 6, 2025 EX-99.1

Fortinet Reports Second Quarter 2025 Financial Results

Press Release Fortinet Reports Second Quarter 2025 Financial Results Highlights •Revenue grew 14% year over year to $1.

June 18, 2025 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) June 13, 2025 FORTINET, INC. (Exact

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) June 13, 2025 FORTINET, INC.

May 29, 2025 SD

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM SD SPECIALIZED DISCLOSURE REPORT FORTINET, INC. (Exact Name of Registrant as Specified in its Charter) Delaware 001-34511 77-0560389 (State or other jurisdiction of incorpor

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM SD SPECIALIZED DISCLOSURE REPORT FORTINET, INC. (Exact Name of Registrant as Specified in its Charter) Delaware 001-34511 77-0560389 (State or other jurisdiction of incorporation or organization ) (Commission File Number) (I.R.S. Employer Identification No.) 909 Kifer Road, Sunnyvale, California 94086 (Address of Principa

May 29, 2025 EX-1.01

Fortinet, Inc. Conflict Minerals Report For the Reporting Period January 1, 2024 to December 31, 2024

Exhibit 1.01 to Form SD Fortinet, Inc. Conflict Minerals Report For the Reporting Period January 1, 2024 to December 31, 2024 This Conflict Minerals Report (“CMR”) has been prepared by Fortinet, Inc. (herein referred to, alternatively, as “Fortinet,” “we” and “our”). This CMR for the reporting period January 1, 2024 to December 31, 2024 is presented to comply with the final conflict minerals imple

May 15, 2025 8-K/A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 8-K/A (Amendment No. 1) CURRENT REPORT Pursuant to Section 13 or 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): May 13, 2025 FO

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 8-K/A (Amendment No.

May 8, 2025 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (Mark One) ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended March 31, 2025 or ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission file number: 0

May 7, 2025 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): May 7, 2025 FORTINET, INC.

May 7, 2025 EX-99.1

Fortinet Reports First Quarter 2025 Financial Results

Press Release Fortinet Reports First Quarter 2025 Financial Results Highlights •Total revenue of $1.

April 25, 2025 DEFA14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A INFORMATION PROXY STATEMENT PURSUANT TO SECTION 14(a) OF THE SECURITIES EXCHANGE ACT OF 1934 (AMENDMENT NO. )

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A INFORMATION PROXY STATEMENT PURSUANT TO SECTION 14(a) OF THE SECURITIES EXCHANGE ACT OF 1934 (AMENDMENT NO. ) Filed by the Registrant ☒ Filed by a Party other than the Registrant ☐ Check the appropriate box: ☐ Preliminary Proxy Statement ☐ Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)

April 25, 2025 DEF 14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A INFORMATION PROXY STATEMENT PURSUANT TO SECTION 14(a) OF THE SECURITIES EXCHANGE ACT OF 1934 (AMENDMENT NO. )

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A INFORMATION PROXY STATEMENT PURSUANT TO SECTION 14(a) OF THE SECURITIES EXCHANGE ACT OF 1934 (AMENDMENT NO. ) Filed by the Registrant ☒ Filed by a Party other than the Registrant ☐ Check the appropriate box: ☐ Preliminary Proxy Statement ☐ Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)

February 21, 2025 10-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K (Mark One) ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the year ended December 31, 2024 or ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission file number: 001-34511 FOR

February 21, 2025 EX-19.1

FORTINET, INC. INSIDER TRADING POLICY As Amended in February 2025 TABLE OF CONTENTS

FORTINET, INC. INSIDER TRADING POLICY As Amended in February 2025 TABLE OF CONTENTS Page INTRODUCTION 1 Legal prohibitions on insider trading 1 Detection and prosecution of insider trading 1 Penalties for violation of insider trading laws and this Policy 1 Compliance Officer 2 Reporting violations 2 Personal responsibility 2 INDIVIDUALS AND TRANSACTIONS COVERED BY THIS POLICY 3 Individuals covered

February 21, 2025 EX-4.2

DESCRIPTION OF FORTINET’S SECURITIES REGISTERED PURSUANT TO SECTION 12 OF THE SECURITIES EXCHANGE ACT OF 1934

Exhibit 4.2 DESCRIPTION OF FORTINET’S SECURITIES REGISTERED PURSUANT TO SECTION 12 OF THE SECURITIES EXCHANGE ACT OF 1934 As of December 31, 2024, Fortinet, Inc. (“we,” “us” or “our”) had one class of securities registered under Section 12 of the Securities Exchange Act of 1934, as amended: our common stock. The following summary of the terms of our common stock is based upon our restated certific

February 21, 2025 EX-21.1

FORTINET, INC. SUBSIDIARIES Entity Jurisdiction of Incorporation Fortinet Australia Pty Ltd Australia Fortinet Austria GmbH Austria Fortinet Belgium BV Belgium Fortinet Network Security Brasil LTDA. Brazil Fortinet Technologies (Canada) ULC Canada Ho

Exhibit 21.1 FORTINET, INC. SUBSIDIARIES Entity Jurisdiction of Incorporation Fortinet Australia Pty Ltd Australia Fortinet Austria GmbH Austria Fortinet Belgium BV Belgium Fortinet Network Security Brasil LTDA. Brazil Fortinet Technologies (Canada) ULC Canada Holdings 1504 Enterprises Inc. Canada Holdings 1502 Enterprises Ltd. Canada Fortinet International, Inc. Cayman Islands Fortinet Informatio

February 6, 2025 EX-99.1

# # #

Press Release Fortinet Reports Fourth Quarter and Full Year 2024 Financial Results Fourth Quarter 2024 Highlights •Total revenue of $1.

February 6, 2025 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): February 4, 2025 FORTINET, INC. (Ex

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): February 4, 2025 FORTINET, INC.

January 22, 2025 8-K/A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 8-K/A (Amendment No. 1) CURRENT REPORT Pursuant to Section 13 or 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): January 17, 202

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 8-K/A (Amendment No.

November 12, 2024 8-K

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): November 6, 2024 FORTINET, INC.

November 12, 2024 EX-99.1

Fortinet Appoints Distinguished Public Sector Leader Janet Napolitano to its Board of Directors

Media Contact: Investor Contact: Analyst Contact: Michelle Zimmermann Aaron Ovadia Brian Greenberg Fortinet, Inc.

November 8, 2024 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (Mark One) ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended September 30, 2024 or ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission file numbe

November 7, 2024 EX-99.1

Fortinet Reports Third Quarter 2024 Financial Results

Press Release Fortinet Reports Third Quarter 2024 Financial Results Highlights •Total revenue up 13% year over year; service revenue up 19% year over year •Billings1 and product revenue returns to growth •Strong billings growth in Unified SASE and Security Operations •Record GAAP operating margin of 31.

November 7, 2024 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): November 7, 2024 FORTINET, INC. (Ex

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): November 7, 2024 FORTINET, INC.

August 8, 2024 EX-10.3

FORTINET, INC. AMENDED AND RESTATED CHANGE OF CONTROL SEVERANCE AGREEMENT

FORTINET, INC. AMENDED AND RESTATED CHANGE OF CONTROL SEVERANCE AGREEMENT This Amended and Restated Change of Control Severance Agreement (this “Agreement”) is made and entered into by and between John Whittle (“Executive”) and Fortinet, Inc. (the “Company”), effective as of August 7, 2024 (the “Effective Date”) and supersedes the Amended and Restated Change of Control Severance Agreement, between

August 8, 2024 EX-10.2

FORTINET, INC. AMENDED AND RESTATED CHANGE OF CONTROL SEVERANCE AGREEMENT

FORTINET, INC. AMENDED AND RESTATED CHANGE OF CONTROL SEVERANCE AGREEMENT This Amended and Restated Change of Control Severance Agreement (this “Agreement”) is made and entered into by and between Michael Xie (“Executive”) and Fortinet, Inc. (the “Company”), effective as of August 7, 2024 (the “Effective Date”) and supersedes the Amended and Restated Change of Control Severance Agreement, between

August 8, 2024 EX-10.4

FORTINET, INC. AMENDED AND RESTATED CHANGE OF CONTROL SEVERANCE AGREEMENT

FORTINET, INC. AMENDED AND RESTATED CHANGE OF CONTROL SEVERANCE AGREEMENT This Amended and Restated Change of Control Severance Agreement (this “Agreement”) is made and entered into by and between Keith Jensen (“Executive”) and Fortinet, Inc. (the “Company”), effective as of August 7, 2024 (the “Effective Date”) and supersedes the Amended and Restated Change of Control Severance Agreement, between

August 8, 2024 EX-10.1

FORTINET, INC. AMENDED AND RESTATED CHANGE OF CONTROL SEVERANCE AGREEMENT

FORTINET, INC. AMENDED AND RESTATED CHANGE OF CONTROL SEVERANCE AGREEMENT This Amended and Restated Change of Control Severance Agreement (this “Agreement”) is made and entered into by and between Ken Xie (“Executive”) and Fortinet, Inc. (the “Company”), effective as of August 7, 2024 (the “Effective Date”) and supersedes the Amended and Restated Change of Control Severance Agreement, between Exec

August 8, 2024 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (Mark One) ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended June 30, 2024 or ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission file number: 00

August 7, 2024 EX-99.1

Fortinet Reports Second Quarter 2024 Financial Results Record quarterly GAAP and Non-GAAP operating margins Raises 2024 revenue and Non-GAAP operating margin guidance Continuing to invest in the fast-growing Unified SASE and Security Operations marke

Press Release Fortinet Reports Second Quarter 2024 Financial Results Record quarterly GAAP and Non-GAAP operating margins Raises 2024 revenue and Non-GAAP operating margin guidance Continuing to invest in the fast-growing Unified SASE and Security Operations markets Second Quarter 2024 Highlights •Total revenue of $1.

August 7, 2024 8-K/A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 8-K/A (Amendment No. 1) CURRENT REPORT Pursuant to Section 13 or 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): August 6, 2024

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 8-K/A (Amendment No.

August 6, 2024 EX-99.1

Fortinet Reports Second Quarter 2024 Financial Results Record quarterly GAAP and Non-GAAP operating margins Raises 2024 revenue and Non-GAAP operating margin guidance Continuing to invest in the fast-growing Unified SASE and Security Operations marke

Press Release Fortinet Reports Second Quarter 2024 Financial Results Record quarterly GAAP and Non-GAAP operating margins Raises 2024 revenue and Non-GAAP operating margin guidance Continuing to invest in the fast-growing Unified SASE and Security Operations markets Second Quarter 2024 Highlights •Total revenue of $1.

August 6, 2024 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): August 6, 2024 FORTINET, INC.

July 24, 2024 8-K/A

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 8-K/A (Amendment No.

June 20, 2024 8-K

Submission of Matters to a Vote of Security Holders

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) June 14, 2024 FORTINET, INC.

May 21, 2024 EX-1.01

Fortinet, Inc. Conflict Minerals Report For the Reporting Period January 1, 2023 to December 31, 2023

Exhibit 1.01 to Form SD Fortinet, Inc. Conflict Minerals Report For the Reporting Period January 1, 2023 to December 31, 2023 This Conflict Minerals Report (“CMR”) has been prepared by Fortinet, Inc. (herein referred to, alternatively, as “Fortinet,” “we” and “our”). This CMR for the reporting period January 1, 2023 to December 31, 2023 is presented to comply with the final conflict minerals imple

May 21, 2024 SD

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM SD SPECIALIZED DISCLOSURE REPORT FORTINET, INC. (Exact Name of Registrant as Specified in its Charter) Delaware 001-34511 77-0560389 (State or other jurisdiction of incorpor

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM SD SPECIALIZED DISCLOSURE REPORT FORTINET, INC. (Exact Name of Registrant as Specified in its Charter) Delaware 001-34511 77-0560389 (State or other jurisdiction of incorporation or organization ) (Commission File Number) (IRS Employer Identification No.) 909 Kifer Road, Sunnyvale, California 94086 (Address of Principal E

May 6, 2024 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (Mark One) ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended March 31, 2024 or ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission file number: 0

May 2, 2024 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): May 2, 2024 FORTINET, INC.

May 2, 2024 EX-99.1

Fortinet Reports First Quarter 2024 Financial Results

Press Release Fortinet Reports First Quarter 2024 Financial Results First Quarter 2024 Highlights •Total revenue of $1.

April 26, 2024 DEF 14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A INFORMATION PROXY STATEMENT PURSUANT TO SECTION 14(a) OF THE SECURITIES EXCHANGE ACT OF 1934 (AMENDMENT NO. )

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A INFORMATION PROXY STATEMENT PURSUANT TO SECTION 14(a) OF THE SECURITIES EXCHANGE ACT OF 1934 (AMENDMENT NO. ) Filed by the Registrant ☒ Filed by a Party other than the Registrant ☐ Check the appropriate box: ☐ Preliminary Proxy Statement ☐ Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)

April 26, 2024 DEFA14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A INFORMATION PROXY STATEMENT PURSUANT TO SECTION 14(a) OF THE SECURITIES EXCHANGE ACT OF 1934 (AMENDMENT NO. )

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A INFORMATION PROXY STATEMENT PURSUANT TO SECTION 14(a) OF THE SECURITIES EXCHANGE ACT OF 1934 (AMENDMENT NO. ) Filed by the Registrant ☒ Filed by a Party other than the Registrant ☐ Check the appropriate box: ☐ Preliminary Proxy Statement ☐ Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)

February 26, 2024 EX-97.1

FORTINET, INC. COMPENSATION RECOVERY POLICY

Exhibit 97.1 FORTINET, INC. COMPENSATION RECOVERY POLICY (Adopted October 20, 2023) The Board has determined that it is in the best interests of the Company and its stockholders to adopt this Policy enabling the Company to recover from specified current and former Company executives certain incentive-based compensation in the event the Company is required to prepare an accounting restatement of th

February 26, 2024 EX-4.2

DESCRIPTION OF FORTINET’S SECURITIES REGISTERED PURSUANT TO SECTION 12 OF THE SECURITIES EXCHANGE ACT OF 1934

Exhibit 4.2 DESCRIPTION OF FORTINET’S SECURITIES REGISTERED PURSUANT TO SECTION 12 OF THE SECURITIES EXCHANGE ACT OF 1934 As of December 31, 2023, Fortinet, Inc. (“we,” “us” or “our”) had one class of securities registered under Section 12 of the Securities Exchange Act of 1934, as amended: our common stock. The following summary of the terms of our common stock is based upon our restated certific

February 26, 2024 EX-21.1

FORTINET, INC. SUBSIDIARIES Entity Jurisdiction of Incorporation Fortinet Australia Pty Ltd Australia Fortinet Austria GmbH Austria Fortinet Belgium BV Belgium Fortinet Network Security Brasil LTDA Brazil Fortinet Technologies (Canada) ULC Canada Hol

Exhibit 21.1 FORTINET, INC. SUBSIDIARIES Entity Jurisdiction of Incorporation Fortinet Australia Pty Ltd Australia Fortinet Austria GmbH Austria Fortinet Belgium BV Belgium Fortinet Network Security Brasil LTDA Brazil Fortinet Technologies (Canada) ULC Canada Holdings 1504 Enterprises Inc. Canada Holdings 1502 Enterprises Ltd. Canada Fortinet International, Inc. Cayman Islands Fortinet Information

February 26, 2024 10-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K (Mark One) ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the year ended December 31, 2023 or ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission file number: 001-34511 FOR

February 23, 2024 EX-99.1

Tech Industry Leader and Boardroom Powerhouse Maggie Wilderotter Joins Fortinet Board of Directors

Tech Industry Leader and Boardroom Powerhouse Maggie Wilderotter Joins Fortinet Board of Directors SUNNYVALE, Calif.

February 23, 2024 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): February 16, 2024 FORTINET, INC. (E

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): February 16, 2024 FORTINET, INC.

February 13, 2024 SC 13G/A

FTNT / Fortinet, Inc. / Xie Ken - AMENDMENT NO. 15 TO SCHEDULE 13G Passive Investment

SC 13G/A 1 ea193122-13ga15kxiefortin.htm AMENDMENT NO. 15 TO SCHEDULE 13G UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. 15)* Fortinet, Inc. (Name of Issuer) Common Stock, par value $0.001 per shares (Title of Class of Securities) 34959E109 (CUSIP Number) December 31, 2023 (Date of Event Which Requires F

February 13, 2024 SC 13G/A

FTNT / Fortinet, Inc. / Xie Michael - AMENDMENT NO. 16 TO SCHEDULE 13G Passive Investment

SC 13G/A 1 ea193121-13ga16mxiefortin.htm AMENDMENT NO. 16 TO SCHEDULE 13G UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. 16)* Fortinet, Inc. (Name of Issuer) Common Stock, par value $0.001 per shares (Title of Class of Securities) 34959E109 (CUSIP Number) December 31, 2023 (Date of Event Which Requires F

February 13, 2024 SC 13G/A

FTNT / Fortinet, Inc. / VANGUARD GROUP INC - SCHEDULE 13G/A Passive Investment

SC 13G/A 1 tv0964-fortinetinc.htm SCHEDULE 13G/A SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Schedule 13G Under the Securities Exchange Act of 1934 (Amendment No.: 9)* Name of issuer: Fortinet Inc Title of Class of Securities: Common Stock CUSIP Number: 34959E109 Date of Event Which Requires Filing of this Statement: December 29, 2023 Check the appropriate box to designate the rule p

February 6, 2024 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): February 6, 2024 FORTINET, INC. (Ex

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): February 6, 2024 FORTINET, INC.

February 6, 2024 EX-99.1

# # #

Press Release Fortinet Reports Fourth Quarter and Full Year 2023 Financial Results Fourth Quarter 2023 Highlights •Total revenue of $1.

January 18, 2024 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) January 15, 2024 FORTINET, INC. (Exa

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) January 15, 2024 FORTINET, INC.

December 1, 2023 8-K

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) November 28, 2023 FORTINET, INC.

November 7, 2023 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (Mark One) ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended September 30, 2023 or ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission file numbe

November 2, 2023 EX-99.1

Fortinet Reports Third Quarter 2023 Financial Results

Press Release Fortinet Reports Third Quarter 2023 Financial Results Third Quarter 2023 Highlights •Total revenue of $1.

November 2, 2023 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): November 2, 2023 FORTINET, INC.

August 7, 2023 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (Mark One) ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended June 30, 2023 or ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission file number: 00

August 7, 2023 EX-3.3

FORTINET, INC. RESTATED CERTIFICATE OF INCORPORATION

FORTINET, INC. RESTATED CERTIFICATE OF INCORPORATION Fortinet, Inc., a corporation organized and existing under the laws of the State of Delaware, hereby certifies as follows: A. That the name of the corporation is Fortinet, Inc. and that this corporation was originally incorporated pursuant to the General Corporation Law on November 28, 2000, under the name “Appligation, Inc.” changed its name to

August 3, 2023 EX-99.1

Fortinet Reports Second Quarter 2023 Financial Results

Press Release Fortinet Reports Second Quarter 2023 Financial Results Second Quarter 2023 Highlights •Product revenue of $472.

August 3, 2023 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): August 3, 2023 FORTINET, INC. (Exac

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): August 3, 2023 FORTINET, INC.

June 23, 2023 EX-3.2

Officer Exculpation Amendment

FORTINET, INC. CERTIFICATE OF AMENDMENT TO AMENDED AND RESTATED CERTIFICATE OF INCORPORATION Fortinet, Inc., a corporation organized and existing under the laws of the State of Delaware, hereby certifies as follows: A. That the name of the corporation is Fortinet, Inc. and that the corporation was originally incorporated pursuant to the General Corporation Law of the State of Delaware (the “DGCL”)

June 23, 2023 EX-3.3

Restated Bylaws

AMENDED AND RESTATED BYLAWS OF Fortinet, Inc. (as amended and restated on June 21, 2023) TABLE OF CONTENTS Page ARTICLE I - CORPORATE OFFICES 1 1.1 REGISTERED OFFICE 1 1.2 OTHER OFFICES 1 ARTICLE II - MEETINGS OF STOCKHOLDERS 1 2.1 PLACE OF MEETINGS 1 2.2 ANNUAL MEETING 1 2.3 SPECIAL MEETING 1 2.4 ADVANCE NOTICE PROCEDURES 3 2.5 NOTICE OF STOCKHOLDERS’ MEETINGS 14 2.6 QUORUM 14 2.7 ADJOURNED MEETI

June 23, 2023 EX-3.1

Majority Voting Amendment

FORTINET, INC. CERTIFICATE OF AMENDMENT TO AMENDED AND RESTATED CERTIFICATE OF INCORPORATION Fortinet, Inc., a corporation organized and existing under the laws of the State of Delaware, hereby certifies as follows: A. That the name of the corporation is Fortinet, Inc. and that the corporation was originally incorporated pursuant to the General Corporation Law of the State of Delaware (the “DGCL”)

June 23, 2023 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) June 16, 2023 FORTINET, INC. (Exact

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) June 16, 2023 FORTINET, INC.

June 7, 2023 SD

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM SD SPECIALIZED DISCLOSURE REPORT FORTINET, INC. (Exact Name of Registrant as Specified in its Charter) Delaware 001-34511 77-0560389 (State or other jurisdiction of incorpor

SD UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM SD SPECIALIZED DISCLOSURE REPORT FORTINET, INC. (Exact Name of Registrant as Specified in its Charter) Delaware 001-34511 77-0560389 (State or other jurisdiction of incorporation or organization ) (Commission File Number) (IRS Employer Identification No.) 899 Kifer Road, Sunnyvale, California 94086 (Address of Principa

June 7, 2023 EX-1.01

Fortinet, Inc. Conflict Minerals Report for the reporting period January 1, 2022 to December 31, 2022

EX-1.01 Exhibit 1.01 to Form SD Fortinet, Inc. Conflict Minerals Report For the Reporting Period January 1, 2022 to December 31, 2022 This Conflict Minerals Report (“CMR”) has been prepared by Fortinet, Inc. (herein referred to, alternatively, as “Fortinet,” “we” and “our”). This CMR for the reporting period January 1, 2022 to December 31, 2022 is presented to comply with the final conflict minera

May 8, 2023 EX-10.1

AMENDED AND RESTATED FORTINET, INC. 2009 EQUITY INCENTIVE PLAN PERFORMANCE STOCK UNIT AWARD AGREEMENT

AMENDED AND RESTATED FORTINET, INC. 2009 EQUITY INCENTIVE PLAN PERFORMANCE STOCK UNIT AWARD AGREEMENT Unless otherwise defined herein, the terms defined in the Amended and Restated Fortinet, Inc. 2009 Equity Incentive Plan (the “Plan”) will have the same defined meanings in this Performance Stock Unit Award Agreement, including any country-specific terms and conditions set forth in the attached Ad

May 8, 2023 EX-10.2

AMENDED AND RESTATED FORTINET, INC. 2009 EQUITY INCENTIVE PLAN RESTRICTED STOCK UNIT AWARD AGREEMENT

AMENDED AND RESTATED FORTINET, INC. 2009 EQUITY INCENTIVE PLAN RESTRICTED STOCK UNIT AWARD AGREEMENT Unless otherwise defined herein, the terms defined in the Amended and Restated Fortinet, Inc. 2009 Equity Incentive Plan (the “Plan”) will have the same defined meanings in this Restricted Stock Unit Award Agreement, including any country-specific terms and conditions set forth in the attached Adde

May 8, 2023 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (Mark One) ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended March 31, 2023 or ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission file number: 0

May 4, 2023 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): May 4, 2023 FORTINET, INC. (Exact n

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): May 4, 2023 FORTINET, INC.

May 4, 2023 EX-99.1

Fortinet Reports First Quarter 2023 Financial Results

Press Release Fortinet Reports First Quarter 2023 Financial Results First Quarter 2023 Highlights •Product revenue of $500.

May 1, 2023 DEF 14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A INFORMATION PROXY STATEMENT PURSUANT TO SECTION 14(a) OF THE SECURITIES EXCHANGE ACT OF 1934 (AMENDMENT NO. )

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A INFORMATION PROXY STATEMENT PURSUANT TO SECTION 14(a) OF THE SECURITIES EXCHANGE ACT OF 1934 (AMENDMENT NO. ) Filed by the Registrant ☒ Filed by a Party other than the Registrant ☐ Check the appropriate box: ☐ Preliminary Proxy Statement ☐ Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)

May 1, 2023 DEFA14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A INFORMATION PROXY STATEMENT PURSUANT TO SECTION 14(a) OF THE SECURITIES EXCHANGE ACT OF 1934 (AMENDMENT NO. )

DEFA14A 1 defa14a0423fortinetinc.htm ADDITIONAL MATERIALS UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A INFORMATION PROXY STATEMENT PURSUANT TO SECTION 14(a) OF THE SECURITIES EXCHANGE ACT OF 1934 (AMENDMENT NO. ) Filed by the Registrant ☒ Filed by a Party other than the Registrant ☐ Check the appropriate box: ☐ Preliminary Proxy Statement ☐ Confidential, for

April 21, 2023 PRE 14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A INFORMATION PROXY STATEMENT PURSUANT TO SECTION 14(a) OF THE SECURITIES EXCHANGE ACT OF 1934 (AMENDMENT NO. )

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A INFORMATION PROXY STATEMENT PURSUANT TO SECTION 14(a) OF THE SECURITIES EXCHANGE ACT OF 1934 (AMENDMENT NO. ) Filed by the Registrant ☒ Filed by a Party other than the Registrant ☐ Check the appropriate box: ☒ Preliminary Proxy Statement ☐ Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)

February 24, 2023 EX-10.18

FORTINET, INC. CHANGE OF CONTROL SEVERANCE AGREEMENT

FORTINET, INC. CHANGE OF CONTROL SEVERANCE AGREEMENT This Change of Control Severance Agreement (the “Agreement”) is made and entered into by and between Patrice Perche (“Executive”) and Fortinet, Inc. (the “Company”), effective as of February 21, 2023 (the “Effective Date”). RECITALS 1. It is expected that the Company from time to time will consider the possibility of an acquisition by another co

February 24, 2023 EX-21.1

FORTINET, INC. SUBSIDIARIES Entity Jurisdiction of Incorporation Fortinet Austria GmbH Austria Fortinet Belgium BV Belgium Fortinet Network Security Brasil LTDA Brazil Fortinet Technologies (Canada) ULC Canada Holdings 1504 Enterprises Inc. Canada Ho

Exhibit 21.1 FORTINET, INC. SUBSIDIARIES Entity Jurisdiction of Incorporation Fortinet Austria GmbH Austria Fortinet Belgium BV Belgium Fortinet Network Security Brasil LTDA Brazil Fortinet Technologies (Canada) ULC Canada Holdings 1504 Enterprises Inc. Canada Holdings 1502 Enterprises Ltd. Canada Fortinet International, Inc. Cayman Islands Accelops China Limited China Fortinet Information Technol

February 24, 2023 EX-10.17

between FORTINET UK LIMITED, READING (UK), DIETLIKON BRANCH, RIEDMÜHLESTRASSE 8, 8305 DIETLIKON, SWITZERLAND MR. PATRICE PERCHE

EMPLOYMENT AGREEMENT between FORTINET UK LIMITED, READING (UK), DIETLIKON BRANCH, RIEDMÜHLESTRASSE 8, 8305 DIETLIKON, SWITZERLAND (“Employer”) and MR.

February 24, 2023 EX-4.2

DESCRIPTION OF FORTINET’S SECURITIES REGISTERED PURSUANT TO SECTION 12 OF THE SECURITIES EXCHANGE ACT OF 1934

Exhibit 4.2 DESCRIPTION OF FORTINET’S SECURITIES REGISTERED PURSUANT TO SECTION 12 OF THE SECURITIES EXCHANGE ACT OF 1934 As of December 31, 2022, Fortinet, Inc. (“we,” “us” or “our”) had one class of securities registered under Section 12 of the Securities Exchange Act of 1934, as amended: our common stock. The following summary of the terms of our common stock is based upon our amended and resta

February 24, 2023 10-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K (Mark One) ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the year ended December 31, 2022 or ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission file number: 001-34511 FOR

February 10, 2023 SC 13G/A

FTNT / Fortinet Inc / Xie Michael - AMENDMENT NO. 15 TO SCHEDULE 13G Passive Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. 15)* Fortinet, Inc. (Name of Issuer) Common Stock, par value $0.001 per shares (Title of Class of Securities) 34959E109 (CUSIP Number) December 31, 2022 (Date of Event Which Requires Filing of this Statement) Check the appropriate box to designate the rule p

February 10, 2023 SC 13G/A

FTNT / Fortinet Inc / Xie Ken - AMENDMENT NO. 14 TO SCHEDULE 13G Passive Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. 14)* Fortinet, Inc. (Name of Issuer) Common Stock, par value $0.001 per shares (Title of Class of Securities) 34959E109 (CUSIP Number) December 31, 2022 (Date of Event Which Requires Filing of this Statement) Check the appropriate box to designate the rule p

February 9, 2023 SC 13G/A

FTNT / Fortinet Inc / VANGUARD GROUP INC - SCHEDULE 13G/A Passive Investment

SC 13G/A 1 tv0937-fortinetinc.htm SCHEDULE 13G/A SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Schedule 13G Under the Securities Exchange Act of 1934 (Amendment No.: 8)* Name of issuer: Fortinet Inc. Title of Class of Securities: Common Stock CUSIP Number: 34959E109 Date of Event Which Requires Filing of this Statement: December 30, 2022 Check the appropriate box to designate the rule

February 8, 2023 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): February 5, 2023 FORTINET, INC. (

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): February 5, 2023 FORTINET, INC. (Exact name of registrant as specified in its charter) Delaware 001-34511 77-0560389 (State or other jurisdiction of incorporation) (Commission File Nu

February 8, 2023 EX-3.1

Amended and Restated Bylaws

AMENDED AND RESTATED BYLAWS OF Fortinet, Inc. (as amended and restated on February 5, 2023) TABLE OF CONTENTS Page ARTICLE I - CORPORATE OFFICES 1 1.1 REGISTERED OFFICE 1 1.2 OTHER OFFICES 1 ARTICLE II - MEETINGS OF STOCKHOLDERS 1 2.1 PLACE OF MEETINGS 1 2.2 ANNUAL MEETING 1 2.3 SPECIAL MEETING 1 2.4 ADVANCE NOTICE PROCEDURES 3 2.5 NOTICE OF STOCKHOLDERS’ MEETINGS 14 2.6 QUORUM 14 2.7 ADJOURNED ME

February 7, 2023 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): February 7, 2023 FORTINET, INC. (Ex

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): February 7, 2023 FORTINET, INC.

February 7, 2023 EX-99.1

# # #

Press Release Fortinet Reports Fourth Quarter and Full Year 2022 Financial Results Fourth Quarter 2022 Highlights •Product revenue of $540.

November 7, 2022 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (Mark One) ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended September 30, 2022 or ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission file numbe

November 2, 2022 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): November 2, 2022 FORTINET, INC. (Ex

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): November 2, 2022 FORTINET, INC.

November 2, 2022 EX-99.1

Fortinet Reports Third Quarter 2022 Financial Results

Press Release Fortinet Reports Third Quarter 2022 Financial Results Third Quarter 2022 Highlights •Product revenue of $468.

August 5, 2022 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (Mark One) ? QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended June 30, 2022 or ? TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission file number: 00

August 3, 2022 EX-99.1

Fortinet Reports Second Quarter 2022 Financial Results

Press Release Fortinet Reports Second Quarter 2022 Financial Results Second Quarter 2022 Highlights ?Product revenue of $400.

August 3, 2022 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): August 3, 2022 FORTINET, INC.

June 22, 2022 8-K

Amendments to Articles of Incorporation or Bylaws; Change in Fiscal Year, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) June 22, 2022 FORTINET, INC.

June 22, 2022 EX-3.1

Amended and Restated Certificat

FORTINET, INC. AMENDED AND RESTATED CERTIFICATE OF INCORPORATION Fortinet, Inc., a corporation organized and existing under the laws of the State of Delaware, hereby certifies as follows: A. That the name of the corporation is Fortinet, Inc. and that this corporation was originally incorporated pursuant to the General Corporation Law on November 28, 2000, under the name ?Appligation, Inc.? changed

June 21, 2022 8-K

Submission of Matters to a Vote of Security Holders

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) June 17, 2022 FORTINET, INC.

May 27, 2022 EX-1.01

Fortinet, Inc. Conflict Minerals Report for the reporting period January 1, 2021 to December 31, 2021

Exhibit 1.01 to Form SD Fortinet, Inc. Conflict Minerals Report For the Reporting Period January 1, 2021 to December 31, 2021 This Conflict Minerals Report (?CMR?) has been prepared by Fortinet, Inc. (herein referred to, alternatively, as ?Fortinet,? ?we? and ?our?). This CMR for the reporting period January 1, 2021 to December 31, 2021 is presented to comply with the final conflict minerals imple

May 27, 2022 SD

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM SD SPECIALIZED DISCLOSURE REPORT FORTINET, INC. (Exact Name of Registrant as Specified in its Charter) Delaware 001-34511 77-0560389 (State or other jurisdiction of incorpor

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM SD SPECIALIZED DISCLOSURE REPORT FORTINET, INC. (Exact Name of Registrant as Specified in its Charter) Delaware 001-34511 77-0560389 (State or other jurisdiction of incorporation or organization ) (Commission File Number) (IRS Employer Identification No.) 899 Kifer Road, Sunnyvale, California 94086 (Address of Principal E

May 6, 2022 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (Mark One) ? QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended March 31, 2022 or ? TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission file number: 0

May 4, 2022 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): May 4, 2022 FORTINET, INC.

May 4, 2022 EX-99.1

Fortinet Reports First Quarter 2022 Financial Results

Press Release Fortinet Reports First Quarter 2022 Financial Results First Quarter 2022 Highlights ?Product revenue of $371.

May 2, 2022 DEF 14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A INFORMATION PROXY STATEMENT PURSUANT TO SECTION 14(a) OF THE SECURITIES EXCHANGE ACT OF 1934 (AMENDMENT NO.      )

DEF 14A 1 tm2212528-2def14a.htm DEF 14A TABLE OF CONTENTS UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A INFORMATION PROXY STATEMENT PURSUANT TO SECTION 14(a) OF THE SECURITIES EXCHANGE ACT OF 1934 (AMENDMENT NO.      ) Filed by the Registrant ☒ Filed by a Party other than the Registrant ☐ Check the appropriate box: ☐ Preliminary Proxy Statement ☐ Confidential

May 2, 2022 8-K

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): April 28, 2022 FORTINET, INC. (Exact name of registrant as specified in its charter) Delaware 001-34511 77-0560389 (State or other jurisdiction of incorporation) (Commission File Numb

May 2, 2022 DEFA14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A INFORMATION PROXY STATEMENT PURSUANT TO SECTION 14(a) OF THE SECURITIES EXCHANGE ACT OF 1934 (AMENDMENT NO.   )

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A INFORMATION PROXY STATEMENT PURSUANT TO SECTION 14(a) OF THE SECURITIES EXCHANGE ACT OF 1934 (AMENDMENT NO.???) Filed by the Registrant x Filed by a Party other than the Registrant ? Check the appropriate box: ? Preliminary Proxy Statement ? Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(

April 22, 2022 PRE 14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A INFORMATION PROXY STATEMENT PURSUANT TO SECTION 14(a) OF THE SECURITIES EXCHANGE ACT OF 1934 (AMENDMENT NO.      )

PRE 14A 1 tm2212528-1pre14a.htm PRE 14A TABLE OF CONTENTS UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A INFORMATION PROXY STATEMENT PURSUANT TO SECTION 14(a) OF THE SECURITIES EXCHANGE ACT OF 1934 (AMENDMENT NO.      ) Filed by the Registrant ☒ Filed by a Party other than the Registrant ☐ Check the appropriate box: ☒ Preliminary Proxy Statement ☐ Confidential

April 22, 2022 8-K

Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): April 22, 2022 FORTINET, INC.

February 25, 2022 EX-4.2

DESCRIPTION OF FORTINET’S SECURITIES REGISTERED PURSUANT TO SECTION 12 OF THE SECURITIES EXCHANGE ACT OF 1934

Exhibit 4.2 DESCRIPTION OF FORTINET?S SECURITIES REGISTERED PURSUANT TO SECTION 12 OF THE SECURITIES EXCHANGE ACT OF 1934 As of December 31, 2021, Fortinet, Inc. (?we,? ?us? or ?our?) had one class of securities registered under Section 12 of the Securities Exchange Act of 1934, as amended: our common stock. The following summary of the terms of our common stock is based upon our amended and resta

February 25, 2022 10-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K (Mark One) ? ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the year ended December 31, 2021 or ? TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission file number: 001-34511 FOR

February 25, 2022 EX-21.1

FORTINET, INC. SUBSIDIARIES Entity Jurisdiction of Incorporation Fortinet Austria GmbH Austria Fortinet Belgium BV Belgium Fortinet Network Security Brazil Limitada Brazil Fortinet Technologies (Canada), ULC Canada Holdings 1504 Enterprises Inc. Cana

Exhibit 21.1 FORTINET, INC. SUBSIDIARIES Entity Jurisdiction of Incorporation Fortinet Austria GmbH Austria Fortinet Belgium BV Belgium Fortinet Network Security Brazil Limitada Brazil Fortinet Technologies (Canada), ULC Canada Holdings 1504 Enterprises Inc. Canada Holdings 1502 Enterprises Ltd. Canada Fortinet International, Inc. Cayman Islands Accelops China China Fortinet Information Technology

February 10, 2022 SC 13G/A

FTNT / Fortinet Inc / VANGUARD GROUP INC - SCHEDULE 13G/A Passive Investment

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Schedule 13G Under the Securities Exchange Act of 1934 (Amendment No.: 7)* Name of issuer: Fortinet Inc. Title of Class of Securities: Common Stock CUSIP Number: 34959E109 Date of Event Which Requires Filing of this Statement: December 31, 2021 Check the appropriate box to designate the rule pursuant to which this Schedule is filed: ☒ Rule

February 9, 2022 SC 13G/A

FTNT / Fortinet Inc / Xie Ken - AMENDMENT NO. 13 TO SCHEDULE 13G Passive Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. 13)* Fortinet, Inc. (Name of Issuer) Common Stock, par value $0.001 per shares (Title of Class of Securities) 34959E109 (CUSIP Number) December 31, 2021 (Date of Event Which Requires Filing of this Statement) Check the appropriate box to designate the rule p

February 9, 2022 SC 13G/A

FTNT / Fortinet Inc / Xie Michael - AMENDMENT NO. 14 TO SCHEDULE 13G Passive Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. 14)* Fortinet, Inc. (Name of Issuer) Common Stock, par value $0.001 per shares (Title of Class of Securities) 34959E109 (CUSIP Number) December 31, 2021 (Date of Event Which Requires Filing of this Statement) Check the appropriate box to designate the rule p

February 3, 2022 EX-99.1

# # #

Press Release Fortinet Reports Fourth Quarter and Full Year 2021 Financial Results Fourth Quarter 2021 Highlights ?Total revenue of $963.

February 3, 2022 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): February 3, 2022 FORTINET, INC.

January 26, 2022 8-K/A

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 8-K/A (Amendment No.

November 8, 2021 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (Mark One) ? QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended September 30, 2021 or ? TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission file numbe

November 4, 2021 EX-99.1

Fortinet Reports Third Quarter 2021 Financial Results

Press Release Fortinet Reports Third Quarter 2021 Financial Results Third Quarter 2021 Highlights ?Total revenue of $867.

November 4, 2021 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): November 4, 2021 FORTINET, INC.

October 6, 2021 EX-99.1

Public Sector Veteran James Stavridis, USN, (Ret), PhD Joins Fortinet Board of Directors

Public Sector Veteran James Stavridis, USN, (Ret), PhD Joins Fortinet Board of Directors SUNNYVALE, Calif.

October 6, 2021 8-K

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): October 4, 2021 FORTINET, INC.

August 2, 2021 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (Mark One) ? QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended June 30, 2021 or ? TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission file number: 00

July 29, 2021 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): July 29, 2021 FORTINET, INC.

July 29, 2021 EX-99.1

Fortinet Reports Second Quarter 2021 Financial Results

Press Release Fortinet Reports Second Quarter 2021 Financial Results Second Quarter 2021 Highlights ?Total revenue of $801.

June 23, 2021 8-K

Submission of Matters to a Vote of Security Holders

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) June 18, 2021 FORTINET, INC.

May 28, 2021 EX-1.01

Fortinet, Inc. Conflict Minerals Report For the Reporting Period January 1, 2020 to December 31, 2020

Exhibit 1.01 to Form SD Fortinet, Inc. Conflict Minerals Report For the Reporting Period January 1, 2020 to December 31, 2020 This Conflict Minerals Report (?CMR?) has been prepared by Fortinet, Inc. (herein referred to, alternatively, as ?Fortinet,? ?we? and ?our?). This CMR for the reporting period January 1, 2020 to December 31, 2020 is presented to comply with the final conflict minerals imple

May 28, 2021 SD

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM SD SPECIALIZED DISCLOSURE REPORT FORTINET, INC. (Exact Name of Registrant as Specified in its Charter) Delaware 001-34511 77-0560389 (State or other jurisdiction of incorpor

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM SD SPECIALIZED DISCLOSURE REPORT FORTINET, INC. (Exact Name of Registrant as Specified in its Charter) Delaware 001-34511 77-0560389 (State or other jurisdiction of incorporation or organization ) (Commission File Number) (IRS Employer Identification No.) 899 Kifer Road, Sunnyvale, California 94086 (Address of Principal E

May 3, 2021 10-Q

Quarterly Report - 10-Q

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (Mark One) ? QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended March 31, 2021 or ? TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission file number: 0

April 30, 2021 8-K/A

Amendments to Articles of Incorporation or Bylaws; Change in Fiscal Year

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K/A CURRENT REPORT Pursuant to Section 13 or 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): April 28, 2021 FORTINET, INC. (Exact name of registrant as specified in its charter) Delaware 001-34511 77-0560389 (State or other jurisdiction of incorporation) (Commission File Nu

April 29, 2021 EX-99.1

Fortinet Reports First Quarter 2021 Financial Results

Press Release Fortinet Reports First Quarter 2021 Financial Results First Quarter 2021 Highlights ?Total revenue of $710.

April 29, 2021 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): April 29, 2021 FORTINET, INC.

April 28, 2021 DEFA14A

- DEFA14A

DEFA14A 1 tm2113449d2defa14a.htm DEFA14A Step 1: Go to www.envisionreports.com/FTNT. Step 2: Click on Cast Your Vote or Request Materials. Step 3: Follow the instructions on the screen to log in. www.envisionreports.com/FTNT Online Go to www.envisionreports.com/FTNT or scan the QR code — login details are located in the shaded bar below. Fortinet, Inc. Stockholder Meeting Notice 03FXFD + + Importa

April 28, 2021 8-K

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers, Amendments to Articles of Incorporation or Bylaws; Change in Fiscal Year, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): April 23, 2021 FORTINET, INC. (Exact name of registrant as specified in its charter) Delaware 001-34511 77-0560389 (State or other jurisdiction of incorporation) (Commission File Numb

April 28, 2021 EX-3.1

Amended and Restated Bylaws

Exhibit 3.1 AMENDED AND RESTATED BYLAWS OF Fortinet, Inc. (as amended and restated on April 23, 2021) TABLE OF CONTENTS Page ARTICLE I - CORPORATE OFFICES 1 1.1 REGISTERED OFFICE 1 1.2 OTHER OFFICES 1 ARTICLE II - MEETINGS OF STOCKHOLDERS 1 2.1 PLACE OF MEETINGS 1 2.2 ANNUAL MEETING 1 2.3 SPECIAL MEETING 1 2.4 ADVANCE NOTICE PROCEDURES 3 2.5 NOTICE OF STOCKHOLDERS? MEETINGS 7 2.6 QUORUM 7 2.7 ADJO

April 28, 2021 DEF 14A

- DEF 14A

DEF 14A 1 tm2113449-1def14a.htm DEF 14A TABLE OF CONTENTS UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A INFORMATION PROXY STATEMENT PURSUANT TO SECTION 14(a) OF THE SECURITIES EXCHANGE ACT OF 1934 (AMENDMENT NO.     ) Filed by the Registrant ☒ Filed by a Party other than the Registrant ☐ Check the appropriate box: ☐ Preliminary Proxy Statement ☐ Confidential,

March 5, 2021 8-K

Current Report

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): March 5, 2021 FORTINET, INC.

March 5, 2021 EX-4.2

Officer’s Certificate pursuant to the Indenture, dated as of March 5, 2021.

Exhibit 4.2 FORTINET, INC. OFFICER?S CERTIFICATE March 5, 2021 Reference is made to the Indenture dated as of March 5, 2021 (the ?Indenture?) by and between Fortinet, Inc. (the ?Issuer?) and Wells Fargo Bank, National Association, as trustee (the ?Trustee?). The Trustee is the trustee for any and all securities issued under the Indenture. Pursuant to Section 2.01 and Section 2.03 of the Indenture,

March 5, 2021 EX-4.1

Indenture, dated as of March 5, 2021, between Fortinet and Wells Fargo Bank, National Association, as trustee.

Exhibit 4.1 FORTINET, INC., Issuer and WELLS FARGO BANK, NATIONAL ASSOCIATION, Trustee INDENTURE Dated as of March 5, 2021 TABLE OF CONTENTS Page ARTICLE 1 DEFINITIONS Section 1.01. Certain Terms Defined; Rules of Construction 1 ARTICLE 2 SECURITIES Section 2.01. Forms Generally 7 Section 2.02. Form of Trustee?s Certification of Authentication 8 Section 2.03. Amount Unlimited; Issuable in Series 8

February 25, 2021 EX-1.1

Underwriting Agreement, dated as of February 24, 2021, by and among Fortinet and BofA Securities, Inc., J.P. Morgan Securities LLC and Morgan Stanley & Co. LLC.

Exhibit 1.1 $1,000,000,000 FORTINET, INC. 1.000% Senior Notes due 2026 2.200% Senior Notes due 2031 Underwriting Agreement February 24, 2021 BofA Securities, Inc. J.P. Morgan Securities LLC Morgan Stanley & Co. LLC As Representatives of the several Underwriters listed in Schedule 1 hereto c/o BofA Securities, Inc. One Bryant Park New York, New York 10036 c/o J.P. Morgan Securities LLC 383 Madison

February 25, 2021 8-K

Current Report

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): February 24, 2021 FORTINET, INC.

February 25, 2021 424B5

REGISTRATION FEE CHART Title of each class of securities to be registered Amount to be registered Maximum Offering Price Per Unit Maximum Aggregate Offering Price Amount of registration fee(1) 1.000% Notes due 2026 $500,000,000 99.463% $497,315,000 $

424B5 Table of Contents Filed pursuant to Rule 424(b)(5) Registration No. 333-253341 REGISTRATION FEE CHART Title of each class of securities to be registered Amount to be registered Maximum Offering Price Per Unit Maximum Aggregate Offering Price Amount of registration fee(1) 1.000% Notes due 2026 $500,000,000 99.463% $497,315,000 $54,258 2.200% Notes due 2031 $500,000,000 99.660% $498,300,000 $5

February 24, 2021 424B5

Subject to Completion, dated February 24, 2021

424B5 Table of Contents Filed pursuant to Rule 424(b)(5) Registration No. 333-253341 This preliminary prospectus supplement relates to an effective registration statement under the Securities Act of 1933, as amended, but is not complete and may be changed. This preliminary prospectus supplement and the accompanying prospectus are not an offer to sell these securities and we are not soliciting an o

February 24, 2021 FWP

FORTINET, INC. FINAL TERM SHEET February 24, 2021 $500,000,000 1.000% Senior Notes due 2026 $500,000,000 2.200% Senior Notes due 2031 Issuer: Fortinet, Inc. Format: SEC Registered Ratings* Baa1/BBB+ Trade Date: February 24, 2021 Settlement Date**: Ma

Filed pursuant to Rule 433 Registration No. 333-253341 Issuer Free Writing Prospectus dated February 24, 2021 Relating to Preliminary Prospectus Supplement dated February 24, 2021 FORTINET, INC. FINAL TERM SHEET February 24, 2021 $500,000,000 1.000% Senior Notes due 2026 $500,000,000 2.200% Senior Notes due 2031 Issuer: Fortinet, Inc. Format: SEC Registered Ratings* Baa1/BBB+ Trade Date: February

February 22, 2021 EX-4.5

Form of Debt Indenture

Exhibit 4.5 FORTINET, INC., Issuer and WELLS FARGO BANK, NATIONAL ASSOCIATION, Trustee INDENTURE Dated as of [?], 2021 TABLE OF CONTENTS Page ARTICLE 1 DEFINITIONS Section 1.01. Certain Terms Defined; Rules of Construction 1 ARTICLE 2 SECURITIES Section 2.01. Forms Generally 7 Section 2.02. Form of Trustee?s Certification of Authentication 8 Section 2.03. Amount Unlimited; Issuable in Series 8 Sec

February 22, 2021 S-3ASR

- S-3ASR

Table of Contents As filed with the Securities and Exchange Commission on February 22, 2021 Registration No.

February 22, 2021 EX-25.1

Form T-1 Statement of Eligibility of Trustee under Debt Indenture

Exhibit 25.1 UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM T-1 STATEMENT OF ELIGIBILITY UNDER THE TRUST INDENTURE ACT OF 1939 OF A CORPORATION DESIGNATED TO ACT AS TRUSTEE ? CHECK IF AN APPLICATION TO DETERMINE ELIGIBILITY OF A TRUSTEE PURSUANT TO SECTION 305(b) (2) WELLS FARGO BANK, NATIONAL ASSOCIATION (Exact name of trustee as specified in its charter) A National

February 19, 2021 10-K

Annual Report - 10-K

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K (Mark One) ? ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the year ended December 31, 2020 or ? TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission file number: 001-34511 FOR

February 19, 2021 EX-10.8

FORTINET, INC. AMENDED BONUS PLAN

Exhibit 10.8 FORTINET, INC. AMENDED BONUS PLAN 1. Purposes of the Plan. The Plan is intended to increase shareholder value and the success of the Company by motivating Employees to (a) perform to the best of their abilities, and (b) achieve the Company?s objectives. 2. Definitions. (a) ?Affiliate? means any corporation or other entity (including, but not limited to, partnerships and joint ventures

February 19, 2021 EX-4.2

Exhibit 4.2

Exhibit 4.2 DESCRIPTION OF FORTINET?S SECURITIES REGISTERED PURSUANT TO SECTION 12 OF THE SECURITIES EXCHANGE ACT OF 1934 As of December 31, 2020, Fortinet, Inc. (?we,? ?us? or ?our?) had one class of securities registered under Section 12 of the Securities Exchange Act of 1934, as amended: our common stock. The following summary of the terms of our common stock is based upon our amended and resta

February 19, 2021 EX-21.1

FORTINET, INC. SUBSIDIARIES Entity Jurisdiction of Incorporation Fortinet Austria GmbH Austria Fortinet Belgium BV Belgium Fortinet Network Security Brazil Limitada Brazil Fortinet Technologies (Canada), ULC Canada Holdings 1504 Enterprises Inc. Cana

Exhibit 21.1 FORTINET, INC. SUBSIDIARIES Entity Jurisdiction of Incorporation Fortinet Austria GmbH Austria Fortinet Belgium BV Belgium Fortinet Network Security Brazil Limitada Brazil Fortinet Technologies (Canada), ULC Canada Holdings 1504 Enterprises Inc. Canada Fortinet International, Inc. Cayman Islands Accelops China China Fortinet Information Technology (Beijing) Co., Ltd. China Fortinet Co

February 11, 2021 SC 13G/A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. 13)* Fortinet, Inc. (Name of Issuer) Common Stock, par value $0.001 per shares (Title of Class of Securities

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. 13)* Fortinet, Inc. (Name of Issuer) Common Stock, par value $0.001 per shares (Title of Class of Securities) 34959E109 (CUSIP Number) December 31, 2020 (Date of Event Which Requires Filing of this Statement) Check the appropriate box to designate the rule p

February 11, 2021 SC 13G/A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. 12)* Fortinet, Inc. (Name of Issuer) Common Stock, par value $0.001 per shares (Title of Class of Securities

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. 12)* Fortinet, Inc. (Name of Issuer) Common Stock, par value $0.001 per shares (Title of Class of Securities) 34959E109 (CUSIP Number) December 31, 2020 (Date of Event Which Requires Filing of this Statement) Check the appropriate box to designate the rule p

February 10, 2021 SC 13G/A

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Schedule 13G Under the Securities Exchange Act of 1934 (Amendment No.: 6)*

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Schedule 13G Under the Securities Exchange Act of 1934 (Amendment No.: 6)* Name of issuer: Fortinet Inc. Title of Class of Securities: Common Stock CUSIP Number: 34959E109 Date of Event Which Requires Filing of this Statement: December 31, 2020 Check the appropriate box to designate the rule pursuant to which this Schedule is filed: ☒ Rule

February 4, 2021 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): February 4, 2021 FORTINET, INC.

February 4, 2021 EX-99.1

# # #

Press Release Fortinet Reports Fourth Quarter and Full Year 2020 Financial Results Fourth Quarter 2020 Highlights •Total revenue of $748.

December 8, 2020 8-K

Other Events - 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): December 8, 2020 FORTINET, INC. (Exact name of registrant as specified in its charter) Delaware 001-34511 77-0560389 (State or other jurisdiction of incorporation) (Commission File Nu

November 6, 2020 10-Q

Quarterly Report - 10-Q

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (Mark One) ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended September 30, 2020 or ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission file numbe

October 29, 2020 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition - 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): October 29, 2020 FORTINET, INC.

October 29, 2020 EX-99.1

Fortinet Reports Third Quarter 2020 Financial Results

Press Release Fortinet Reports Third Quarter 2020 Financial Results Third Quarter 2020 Highlights •Total revenue of $651.

October 20, 2020 8-K/A

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers - 8-K/A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 8-K/A (Amendment No.

August 26, 2020 EX-99.1

Technology and Financial Industry Veteran Ken Goldman Joins Fortinet Board of Directors

Media Contact: Investor Contact: Analyst Contact: Tiffany Curci Peter Salkowski Ron Davis Fortinet, Inc.

August 26, 2020 8-K

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): August 22, 2020 FORTINET, INC. (Exact name of registrant as specified in its charter) Delaware 001-34511 77-0560389 (State or other jurisdiction of incorporation) (Commission File Num

August 6, 2020 10-Q

Quarterly Report - 10-Q

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (Mark One) ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended June 30, 2020 or ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission file number: 00

August 6, 2020 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): August 6, 2020 FORTINET, INC.

August 6, 2020 EX-99.1

Fortinet Reports Second Quarter 2020 Financial Results

Press Release Fortinet Reports Second Quarter 2020 Financial Results Second Quarter 2020 Highlights •Total revenue of $615.

July 21, 2020 EX-3.1

Amended and Restated Bylaws

Exhibit 3.1 AMENDED AND RESTATED BYLAWS OF Fortinet, Inc. (as amended and restated on July 17, 2020) TABLE OF CONTENTS Page ARTICLE I - CORPORATE OFFICES 1 1.1 REGISTERED OFFICE 1 1.2 OTHER OFFICES 1 ARTICLE II - MEETINGS OF STOCKHOLDERS 1 2.1 PLACE OF MEETINGS 1 2.2 ANNUAL MEETING 1 2.3 SPECIAL MEETING 1 2.4 ADVANCE NOTICE PROCEDURES 2 2.5 NOTICE OF STOCKHOLDERS’ MEETINGS 6 2.6 QUORUM 6 2.7 ADJOU

July 21, 2020 8-K

Amendments to Articles of Incorporation or Bylaws; Change in Fiscal Year, Financial Statements and Exhibits, Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): July 17, 2020 FORTINET, INC. (Exact name of registrant as specified in its charter) Delaware 001-34511 77-0560389 (State or other jurisdiction of incorporation) (Commission File Numbe

June 24, 2020 8-K

Submission of Matters to a Vote of Security Holders

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) June 19, 2020 FORTINET, INC.

June 4, 2020 DEFA14A

- DEFA14A

DEFA14A 1 tm2021661-1def14a.htm DEFA14A UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A INFORMATION PROXY STATEMENT PURSUANT TO SECTION 14(a) OF THE SECURITIES EXCHANGE ACT OF 1934 (AMENDMENT NO.    ) Filed by the Registrant ☒ Filed by a Party other than the Registrant ☐ Check the appropriate box: ☐ Preliminary Proxy Statement ☐ Confidential, for Use of the Com

May 29, 2020 SD

- SD

SD UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM SD SPECIALIZED DISCLOSURE REPORT FORTINET, INC. (Exact Name of Registrant as Specified in its Charter) Delaware 001-34511 77-0560389 (State or other jurisdiction of incorporation or organization ) (Commission File Number) (IRS Employer Identification No.) 899 Kifer Road, Sunnyvale, California 94086 (Address of Principa

May 29, 2020 EX-1.01

Fortinet, Inc. Conflict Minerals Report for the reporting period January 1, 2019 to December 31, 2019

EX-1.01 Exhibit 1.01 to Form SD Fortinet, Inc. Conflict Minerals Report For the Reporting Period January 1, 2019 to December 31, 2019 This Conflict Minerals Report (“CMR”) has been prepared by Fortinet, Inc. (herein referred to, alternatively, as “Fortinet,” “we” and “our”). This CMR for the reporting period January 1, 2019 to December 31, 2019 is presented to comply with the final conflict minera

May 7, 2020 10-Q

Quarterly Report - 10-Q

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (Mark One) ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended March 31, 2020 or ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission file number: 0

May 6, 2020 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): May 6, 2020 FORTINET, INC.

May 6, 2020 EX-99.1

Fortinet Reports First Quarter 2020 Financial Results

Press Release Fortinet Reports First Quarter 2020 Financial Results First Quarter 2020 Highlights • Total revenue of $576.

April 28, 2020 DEFA14A

- DEFA14A

DEFA14A 1 c2016781d2defa14a.htm DEFA14A UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A INFORMATION PROXY STATEMENT PURSUANT TO SECTION 14(a) OF THE SECURITIES EXCHANGE ACT OF 1934 (AMENDMENT NO. ) Filed by the Registrant x Filed by a Party other than the Registrant o Check the appropriate box: o Preliminary Proxy Statement o Confidential, for Use of the Commis

April 28, 2020 DEF 14A

- DEF 14A

TABLE OF CONTENTS UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A INFORMATION PROXY STATEMENT PURSUANT TO SECTION 14(a) OF THE SECURITIES EXCHANGE ACT OF 1934 (AMENDMENT NO.  ) Filed by the Registrant ☒ Filed by a Party other than the Registrant ☐ Check the appropriate box: ☐ Preliminary Proxy Statement ☐ Confidential, for Use of the Commission Only (as permitt

April 23, 2020 8-K/A

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 8-K/A (Amendment No.

April 23, 2020 8-K

Amendments to Articles of Incorporation or Bylaws; Change in Fiscal Year, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): April 17, 2020 FORTINET, INC. (Exact name of registrant as specified in its charter) Delaware 001-34511 77-0560389 (State or other jurisdiction of incorporation) (Commission File Numb

April 23, 2020 EX-3.1

Amended and Restated Bylaws

Exhibit 3.1 AMENDED AND RESTATED BYLAWS OF Fortinet, Inc. (as amended and restated on April 17, 2020) TABLE OF CONTENTS Page ARTICLE I - CORPORATE OFFICES 1 1.1 REGISTERED OFFICE 1 1.2 OTHER OFFICES 1 ARTICLE II - MEETINGS OF STOCKHOLDERS 1 2.1 PLACE OF MEETINGS 1 2.2 ANNUAL MEETING 1 2.3 SPECIAL MEETING 1 2.4 ADVANCE NOTICE PROCEDURES 2 2.5 NOTICE OF STOCKHOLDERS’ MEETINGS 5 2.6 QUORUM 5 2.7 ADJO

February 28, 2020 EX-99.1

Veteran Sales Executive Kelly Ducourty Joins Fortinet Board of Directors

Veteran Sales Executive Kelly Ducourty Joins Fortinet Board of Directors SUNNYVALE, Calif.

February 28, 2020 8-K

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): February 26, 2020 FORTINET, INC.

February 26, 2020 EX-21.1

FORTINET, INC. SUBSIDIARIES Entity Jurisdiction of Incorporation Fortinet International, Inc. Cayman Islands Fortinet UK, Ltd. United Kingdom Fortinet Technologies (Canada), ULC Canada Fortinet Japan K.K. Japan Fortinet Information Technology (Beijin

Exhibit 21.1 FORTINET, INC. SUBSIDIARIES Entity Jurisdiction of Incorporation Fortinet International, Inc. Cayman Islands Fortinet UK, Ltd. United Kingdom Fortinet Technologies (Canada), ULC Canada Fortinet Japan K.K. Japan Fortinet Information Technology (Beijing) Co., Ltd. China Fortinet Malaysia SDN. BHD. Malaysia Fortinet Singapore Private Limited Singapore Fortinet Technologies India Private

February 26, 2020 EX-10.7

AMENDED AND RESTATED FORTINET, INC. 2009 EQUITY INCENTIVE PLAN STOCK OPTION AWARD AGREEMENT

Exhibit 10.7 AMENDED AND RESTATED FORTINET, INC. 2009 EQUITY INCENTIVE PLAN STOCK OPTION AWARD AGREEMENT Unless otherwise defined herein, the terms defined in the Amended and Restated Fortinet, Inc. 2009 Equity Incentive Plan (the “Plan”) will have the same defined meanings in this Stock Option Award Agreement, including any country-specific terms and conditions set forth in the attached Appendix

February 26, 2020 10-K

Annual Report - 10-K

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K (Mark One) ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2019 or ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission file number: 001-34

February 26, 2020 EX-10.6

AMENDED AND RESTATED FORTINET, INC. 2009 EQUITY INCENTIVE PLAN RESTRICTED STOCK UNIT AWARD AGREEMENT

Exhibit 10.6 AMENDED AND RESTATED FORTINET, INC. 2009 EQUITY INCENTIVE PLAN RESTRICTED STOCK UNIT AWARD AGREEMENT Unless otherwise defined herein, the terms defined in the Amended and Restated Fortinet, Inc. 2009 Equity Incentive Plan (the “Plan”) will have the same defined meanings in this Restricted Stock Unit Award Agreement, including any country-specific terms and conditions set forth in the

February 26, 2020 EX-4.2

DESCRIPTION OF FORTINET’S SECURITIES REGISTERED PURSUANT TO SECTION 12 OF THE SECURITIES EXCHANGE ACT OF 1934

Exhibit 4.2 DESCRIPTION OF FORTINET’S SECURITIES REGISTERED PURSUANT TO SECTION 12 OF THE SECURITIES EXCHANGE ACT OF 1934 As of December 31, 2019, Fortinet, Inc. (“we,” “us” or “our”) had one class of securities registered under Section 12 of the Securities Exchange Act of 1934, as amended: our common stock. The following summary of the terms of our common stock is based upon our amended and resta

February 14, 2020 SC 13G/A

FTNT / Fortinet, Inc. / Xie Michael - AMENDMENT NO. 12 TO SCHEDULE 13G Passive Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. 12)* Fortinet, Inc. (Name of Issuer) Common Stock, par value $0.001 per shares (Title of Class of Securities) 34959E109 (CUSIP Number) December 31, 2019 (Date of Event Which Requires Filing of this Statement) Check the appropriate box to designate the rule p

February 12, 2020 SC 13G/A

FTNT / Fortinet, Inc. / VANGUARD GROUP INC - SCHEDULE 13G/A Passive Investment

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Schedule 13G Under the Securities Exchange Act of 1934 (Amendment No.: 5)* Name of issuer: Fortinet Inc Title of Class of Securities: Common Stock CUSIP Number: 34959E109 Date of Event Which Requires Filing of this Statement: December 31, 2019 Check the appropriate box to designate the rule pursuant to which this Schedule is filed: ☒ Rule 1

February 11, 2020 SC 13G/A

FTNT / Fortinet, Inc. / Xie Michael - AMENDMENT NO. 11 TO SCHEDULE 13G Passive Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. 11)* Fortinet, Inc. (Name of Issuer) Common Stock, par value $0.001 per shares (Title of Class of Securities) 34959E109 (CUSIP Number) December 31, 2019 (Date of Event Which Requires Filing of this Statement) Check the appropriate box to designate the rule p

February 11, 2020 SC 13G/A

FTNT / Fortinet, Inc. / Xie Ken - AMENDMENT NO. 11 TO SCHEDULE 13G Passive Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. 11)* Fortinet, Inc. (Name of Issuer) Common Stock, par value $0.001 per shares (Title of Class of Securities) 34959E109 (CUSIP Number) December 31, 2019 (Date of Event Which Requires Filing of this Statement) Check the appropriate box to designate the rule p

February 6, 2020 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): February 6, 2020 FORTINET, INC.

February 6, 2020 EX-99.1

Fortinet Reports Fourth Quarter and Full Year 2019 Financial Results

Press Release Fortinet Reports Fourth Quarter and Full Year 2019 Financial Results Fourth Quarter 2019 Highlights • Total revenue of $614.

December 12, 2019 8-K

Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): December 12, 2019 FORTINET, INC.

October 31, 2019 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): October 31, 2019 FORTINET, INC.

October 31, 2019 EX-99.1

Fortinet Reports Third Quarter 2019 Financial Results

EX-99.1 2 ftntq3-2019ex991.htm PRESS RELEASE Press Release Fortinet Reports Third Quarter 2019 Financial Results Third Quarter 2019 Highlights • Total revenue of $547.5 million, up 21% year over year • Product revenue of $197.1 million, up 20% year over year • Billings of $626.6 million, up 19% year over year1 • Deferred revenue of $1.95 billion, up 26% year over year • GAAP operating margin of 18

October 31, 2019 10-Q

Quarterly Report - 10-Q

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (Mark One) ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended September 30, 2019 or ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission file numbe

October 28, 2019 8-K

Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): October 28, 2019 FORTINET, INC.

October 22, 2019 EX-99.1

Marvell CFO Jean Hu Joins Fortinet Board of Directors

Marvell CFO Jean Hu Joins Fortinet Board of Directors SUNNYVALE, Calif. – October 22, 2019 Ken Xie, CEO, founder and Chairman of the Board at Fortinet “We are pleased to have Jean join the Fortinet Board of Directors. With the addition of Jean, and her deep experience and focus on financial success, Fortinet will greatly benefit as the company continues to execute on its goals. I am confident that

October 22, 2019 8-K

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): October 18, 2019 FORTINET, INC.

August 1, 2019 EX-99.1

Fortinet Reports Second Quarter 2019 Financial Results

Press Release Fortinet Reports Second Quarter 2019 Financial Results Second Quarter 2019 Highlights • Revenue of $521.

August 1, 2019 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): August 1, 2019 FORTINET, INC.

August 1, 2019 EX-10.5

FORTINET, INC. AMENDED AND RESTATED CHANGE OF CONTROL SEVERANCE AGREEMENT

Exhibit 10.5 FORTINET, INC. AMENDED AND RESTATED CHANGE OF CONTROL SEVERANCE AGREEMENT This Amended and Restated Change of Control Severance Agreement (the “Agreement”) is made and entered into by and between Keith Jensen (“Executive”) and Fortinet, Inc. (the “Company”), effective as of August 7, 2019 (the “Effective Date”) and supersedes the Change of Control Severance Agreement, between Executiv

August 1, 2019 EX-10.4

FORTINET, INC. AMENDED AND RESTATED CHANGE OF CONTROL SEVERANCE AGREEMENT

Exhibit 10.4 FORTINET, INC. AMENDED AND RESTATED CHANGE OF CONTROL SEVERANCE AGREEMENT This Amended and Restated Change of Control Severance Agreement (the “Agreement”) is made and entered into by and between John Whittle (“Executive”) and Fortinet, Inc. (the “Company”), effective as of August 7, 2019 (the “Effective Date”) and supersedes the Amended and Restated Change of Control Severance Agreem

August 1, 2019 EX-10.2

FORTINET, INC. AMENDED AND RESTATED CHANGE OF CONTROL SEVERANCE AGREEMENT

Exhibit 10.2 FORTINET, INC. AMENDED AND RESTATED CHANGE OF CONTROL SEVERANCE AGREEMENT This Amended and Restated Change of Control Severance Agreement (the “Agreement”) is made and entered into by and between Ken Xie (“Executive”) and Fortinet, Inc. (the “Company”), effective as of August 7, 2019 (the “Effective Date”) and supersedes the Amended and Restated Change of Control Severance Agreement,

August 1, 2019 10-Q

Quarterly Report - 10-Q

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (Mark One) ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended June 30, 2019 or ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission file number: 00

August 1, 2019 EX-10.3

FORTINET, INC. AMENDED AND RESTATED CHANGE OF CONTROL SEVERANCE AGREEMENT

Exhibit 10.3 FORTINET, INC. AMENDED AND RESTATED CHANGE OF CONTROL SEVERANCE AGREEMENT This Amended and Restated Change of Control Severance Agreement (the “Agreement”) is made and entered into by and between Michael Xie (“Executive”) and Fortinet, Inc. (the “Company”), effective as of August 7, 2019 (the “Effective Date”) and supersedes the Amended and Restated Change of Control Severance Agreeme

August 1, 2019 EX-10.1

AMENDED AND RESTATED FORTINET, INC. 2009 EQUITY INCENTIVE PLAN

Exhibit 10.1 AMENDED AND RESTATED FORTINET, INC. 2009 EQUITY INCENTIVE PLAN 1.Purposes of the Plan. The purposes of this Plan are: • to attract and retain the best available personnel for positions of substantial responsibility, • to provide additional incentive to Employees, Directors and Consultants, and • to promote the success of the Company’s business. The Plan permits the grant of Incentive

June 28, 2019 S-8 POS

FTNT / Fortinet, Inc. S-8 POS - - S-8 POS

As filed with the Securities and Exchange Commission on June 28, 2019 Registration No.

June 28, 2019 S-8 POS

FTNT / Fortinet, Inc. S-8 POS - - S-8 POS

As filed with the Securities and Exchange Commission on June 28, 2019 Registration No.

June 28, 2019 S-8 POS

FTNT / Fortinet, Inc. S-8 POS - - S-8 POS

As filed with the Securities and Exchange Commission on June 28, 2019 Registration No.

June 28, 2019 S-8 POS

FTNT / Fortinet, Inc. S-8 POS - - S-8 POS

As filed with the Securities and Exchange Commission on June 28, 2019 Registration No.

June 28, 2019 S-8 POS

FTNT / Fortinet, Inc. S-8 POS - - S-8 POS

As filed with the Securities and Exchange Commission on June 28, 2019 Registration No.

June 28, 2019 S-8 POS

FTNT / Fortinet, Inc. S-8 POS - - S-8 POS

As filed with the Securities and Exchange Commission on June 28, 2019 Registration No.

June 28, 2019 S-8 POS

FTNT / Fortinet, Inc. S-8 POS - - S-8 POS

As filed with the Securities and Exchange Commission on June 28, 2019 Registration No.

June 28, 2019 S-8 POS

FTNT / Fortinet, Inc. S-8 POS - - S-8 POS

As filed with the Securities and Exchange Commission on June 28, 2019 Registration No.

June 28, 2019 S-8 POS

FTNT / Fortinet, Inc. S-8 POS - - S-8 POS

S-8 POS 1 c524368.htm S-8 POS As filed with the Securities and Exchange Commission on June 28, 2019 Registration No. 333-229894 Registration No. 333-223246 Registration No. 333-216362 Registration No. 333-209783 Registration No. 333-202402 Registration No. 333-194281 Registration No. 333-186921 Registration No. 333-179751 Registration No. 333-172459 Registration No. 333-163367 UNITED STATES SECURI

June 28, 2019 S-8 POS

FTNT / Fortinet, Inc. S-8 POS - - S-8 POS

As filed with the Securities and Exchange Commission on June 28, 2019 Registration No.

June 26, 2019 8-K

Submission of Matters to a Vote of Security Holders

8-K 1 form8-kannualmeetingresult.htm FORM 8-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) June 21, 2019 FORTINET, INC. (Exact name of registrant as specified in its charter) Delaware 001-34511 77-0560389 (State or other jurisdicti

June 7, 2019 DEFA14A

FTNT / Fortinet, Inc. DEFA14A - - DEFA14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A INFORMATION PROXY STATEMENT PURSUANT TO SECTION 14(a) OF THE SECURITIES EXCHANGE ACT OF 1934 (AMENDMENT NO. ) Filed by the Registrant x Filed by a Party other than the Registrant o Check the appropriate box: o Preliminary Proxy Statement o Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)

May 30, 2019 SD

FTNT / Fortinet, Inc. SD - - SD

SD 1 d753812dsd.htm SD UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM SD SPECIALIZED DISCLOSURE REPORT FORTINET, INC. (Exact Name of Registrant as Specified in its Charter) Delaware 001-34511 77-0560389 (State or other jurisdiction of incorporation or organization ) (Commission File Number) (IRS Employer Identification No.) 899 Kifer Road, Sunnyvale, California 94086

May 30, 2019 EX-1.01

Fortinet, Inc. Conflict Minerals Report For the Reporting Period January 1, 2018 to December 31, 2018

EX-1.01 Exhibit 1.01 to Form SD Fortinet, Inc. Conflict Minerals Report For the Reporting Period January 1, 2018 to December 31, 2018 This Conflict Minerals Report (“CMR”) has been prepared by Fortinet, Inc. (herein referred to, alternatively, as “Fortinet,” “we” and “our”). This CMR for the reporting period January 1, 2018 to December 31, 2018 is presented to comply with the final conflict minera

May 8, 2019 10-Q

Quarterly Report - 10-Q

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (Mark One) x QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended March 31, 2019 or o TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission file number: 0

May 2, 2019 EX-99.1

Fortinet Reports First Quarter 2019 Financial Results

Press Release Fortinet Reports First Quarter 2019 Financial Results First Quarter 2019 Highlights • Revenue of $472.

May 2, 2019 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): May 2, 2019 FORTINET, INC.

April 30, 2019 DEFA14A

FTNT / Fortinet, Inc. DEFA14A DEFA14A

DEFA14A 1 c520040defa14a.htm DEFA14A UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A INFORMATION PROXY STATEMENT PURSUANT TO SECTION 14(a) OF THE SECURITIES EXCHANGE ACT OF 1934 (AMENDMENT NO. ) Filed by the Registrant x Filed by a Party other than the Registrant o Check the appropriate box: o Preliminary Proxy Statement o Confidential, for Use of the Commissio

April 30, 2019 DEF 14A

FTNT / Fortinet, Inc. DEF 14A DEFINITIVE PROXY STATEMENT

DEF 14A 1 tv519868-def14a.htm DEFINITIVE PROXY STATEMENT TABLE OF CONTENTS UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A INFORMATION PROXY STATEMENT PURSUANT TO SECTION 14(a) OF THE SECURITIES EXCHANGE ACT OF 1934 (AMENDMENT NO.  ) Filed by the Registrant ☒ Filed by a Party other than the Registrant ☐ Check the appropriate box: ☐ Preliminary Proxy Statement ☐

February 27, 2019 S-8 POS

FTNT / Fortinet, Inc. POS FORM S-8

As filed with the Securities and Exchange Commission on February 26, 2019 Registration No.

February 27, 2019 S-8

FTNT / Fortinet, Inc. FORM S-8

As filed with the Securities and Exchange Commission on February 26, 2019 Registration No.

February 27, 2019 EX-21.1

FORTINET, INC. SUBSIDIARIES Entity Jurisdiction of Incorporation Fortinet International, Inc. Cayman Islands Fortinet UK, Ltd. United Kingdom Fortinet Technologies (Canada), ULC Canada Fortinet Japan K.K. Japan Fortinet Information Technology (Beijin

Exhibit 21.1 FORTINET, INC. SUBSIDIARIES Entity Jurisdiction of Incorporation Fortinet International, Inc. Cayman Islands Fortinet UK, Ltd. United Kingdom Fortinet Technologies (Canada), ULC Canada Fortinet Japan K.K. Japan Fortinet Information Technology (Beijing) Co., Ltd. China Fortinet Information Technology (Tianjin) Co., Ltd. China Fortinet Malaysia SDN. BHD. Malaysia Fortinet Singapore Priv

February 27, 2019 10-K

Annual Report - 10-K

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K (Mark One) x ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2018 or o TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission file number: 001-34

February 12, 2019 SC 13G/A

FTNT / Fortinet, Inc. / Xie Ken - NONE Passive Investment

Schedule 13G UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. 10)* FORTINET, INC (Name of Issuer) Common Stock, $0.001 par value per share (Title of Class of Securities) 34959E109 (CUSIP Number) December 31, 2018 (Date of Event Which Requires Filing of this Statement) Check the appropriate box to designate

February 12, 2019 SC 13G/A

FTNT / Fortinet, Inc. / Xie Michael - NONE Passive Investment

Schedule 13G UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. 10)* FORTINET, INC (Name of Issuer) Common Stock, $0.001 par value per share (Title of Class of Securities) 34959E109 (CUSIP Number) December 31, 2018 (Date of Event Which Requires Filing of this Statement) Check the appropriate box to designate

February 6, 2019 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): February 6, 2019 FORTINET, INC.

February 6, 2019 EX-99.1

Fortinet Reports Fourth Quarter and Full Year 2018 Financial Results

Press Release Fortinet Reports Fourth Quarter and Full Year 2018 Financial Results Fourth Quarter 2018 Highlights • Revenue of $507.

January 10, 2019 SC 13G/A

FTNT / Fortinet, Inc. / VANGUARD GROUP INC Passive Investment

fortinetinc.htm - Generated by SEC Publisher for SEC Filing SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Schedule 13G Under the Securities Exchange Act of 1934 (Amendment No.: 4 )* Name of issuer: Fortinet Inc Title of Class of Securities: Common Stock CUSIP Number: 34959E109 Date of Event Which Requires Filing of this Statement: December 31, 2018 Check the appropriate box to designat

November 7, 2018 10-Q

FTNT / Fortinet, Inc. FORM 10-Q (Quarterly Report)

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (Mark One) x QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended September 30, 2018 or o TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission file numbe

November 1, 2018 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): November 1, 2018 FORTINET, INC.

November 1, 2018 EX-99.1

Fortinet Reports Third Quarter 2018 Financial Results Security Fabric Platform Drives Strong Year-Over-Year Growth in Third Quarter 2018 Billings, Revenue and Operating Margin

. Press Release Fortinet Reports Third Quarter 2018 Financial Results Security Fabric Platform Drives Strong Year-Over-Year Growth in Third Quarter 2018 Billings, Revenue and Operating Margin Third Quarter 2018 Financial Highlights • Revenue of $453.9 million, up 21% year over year • Product revenue of $164.5 million, up 20% year over year • Billings of $527.5 million, up 22% year over year1 • Def

October 23, 2018 8-K

Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): October 23, 2018 FORTINET, INC.

August 10, 2018 CORRESP

FTNT / Fortinet, Inc. CORRESP

August 10, 2018 VIA EDGAR AND OVERNIGHT DELIVERY Securities and Exchange Commission Division of Corporation Finance 100 F Street, N.

August 7, 2018 10-Q

FTNT / Fortinet, Inc. FORM 10-Q (Quarterly Report)

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (Mark One) x QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended June 30, 2018 or o TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission file number: 00

August 1, 2018 EX-99.1

Fortinet Reports Second Quarter 2018 Financial Results Fortinet Reports Revenue Growth of 21%, Billings Growth of 20% and Deferred Revenue Growth of 27% Year over Year

Press Release Fortinet Reports Second Quarter 2018 Financial Results Fortinet Reports Revenue Growth of 21%, Billings Growth of 20% and Deferred Revenue Growth of 27% Year over Year Recent Highlights • Revenue of $441.

August 1, 2018 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): August 1, 2018 FORTINET, INC.

June 27, 2018 EX-3.2

AMENDED AND RESTATED BYLAWS OF Fortinet, Inc. (as amended and restated on June 22, 2018)

AMENDED AND RESTATED BYLAWS OF Fortinet, Inc. (as amended and restated on June 22, 2018) TABLE OF CONTENTS Page ARTICLE I - CORPORATE OFFICES 1 1.1 REGISTERED OFFICE 1 1.2 OTHER OFFICES 1 ARTICLE II - MEETINGS OF STOCKHOLDERS 2 2.1 PLACE OF MEETINGS 2 2.2 ANNUAL MEETING 2 2.3 SPECIAL MEETING 2 2.4 ADVANCE NOTICE PROCEDURES 2 2.5 NOTICE OF STOCKHOLDERS’ MEETINGS 6 2.6 QUORUM 6 2.7 ADJOURNED MEETING

June 27, 2018 EX-3.1

Amended and Restated Certificate of Incorporation of the Registrant

FORTINET, INC. AMENDED AND RESTATED CERTIFICATE OF INCORPORATION Fortinet, Inc., a corporation organized and existing under the laws of the State of Delaware, hereby certifies as follows: A. That the name of the corporation is Fortinet, Inc. and that this corporation was originally incorporated pursuant to the General Corporation Law on November 28, 2000, under the name “Appligation, Inc.” changed

June 27, 2018 8-K

Amendments to Articles of Incorporation or Bylaws; Change in Fiscal Year, Financial Statements and Exhibits, Submission of Matters to a Vote of Security Holders

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) June 22, 2018 FORTINET, INC. (Exact name of registrant as specified in its charter) State of Delaware 001-34511 77-0560389 (State or other jurisdiction of incorporation) (Commission Fi

June 4, 2018 8-K

Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): June 4, 2018 FORTINET, INC.

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