TRVG / trivago N.V. - Depositary Receipt (Common Stock) - Документы SEC, Годовой отчет, Доверенное заявление

trivago NV - Депозитарные расписки (обыкновенные акции)
US ˙ NasdaqGS ˙ US89686D3035

Основная статистика
LEI 529900HUKSPVYRFJSH86
CIK 1683825
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 trivago N.V. - Depositary Receipt (Common Stock)
SEC Filings (Chronological Order)
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August 5, 2025 EX-99.2

Accumulated other

Exhibit 99.2 trivago N.V. Unaudited Condensed Consolidated Interim Financial Statements as of June 30, 2025 1 trivago N.V. Condensed consolidated statements of operations (€ thousands, except per share amounts, unaudited) Three months ended June 30, Six months ended June 30, 2025 2024 2025 2024 Revenue € 83,913 € 71,033 € 162,153 € 135,445 Revenue from related party 55,355 47,524 101,223 84,542 To

August 5, 2025 EX-99.1

Operating and Financial Review

Exhibit 99.1 Operating and Financial Review DÜSSELDORF, GERMANY - August 5, 2025 – trivago N.V. (NASDAQ: TRVG) (the “Company”, “we,” “us,” “our,” or “trivago,”) announced financial results for the second quarter ended June 30, 2025. Highlights: •Total revenue grew 17% year-over-year to €139.3 million in the second quarter, driven by an 18% increase in Referral Revenue, which reached €138.5 million

August 5, 2025 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO SECTION 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of August, 2025 Commission File Number: 001

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO SECTION 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of August, 2025 Commission File Number: 001-37959 trivago N.V. (Exact Name of Registrant as Specified in Its Charter) Kesselstraße 5 - 7 40221 Düsseldorf Federal Republic of Germany +49 211 540

July 31, 2025 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO SECTION 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 Date of Report: July, 2025 Commission File Number: 001-37

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO SECTION 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 Date of Report: July, 2025 Commission File Number: 001-37959 trivago N.V. (Exact Name of Registrant as Specified in Its Charter) Kesselstraße 5 - 7 40221 Düsseldorf Federal Republic of Germany +49 211 387684

June 30, 2025 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO SECTION 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 Date of Report: June, 2025 Commission File Number: 001-37

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO SECTION 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 Date of Report: June, 2025 Commission File Number: 001-37959 trivago N.V. (Exact Name of Registrant as Specified in Its Charter) Kesselstraße 5 - 7 40221 Düsseldorf Federal Republic of Germany +49 211 540651

June 30, 2025 EX-99.1

trivago N.V. Annual General Meeting of Shareholders June 27, 2025 - 3:00 p.m. CEST Voting Results

Exhibit 99.1 trivago N.V. Annual General Meeting of Shareholders June 27, 2025 - 3:00 p.m. CEST Voting Results Resolution For Against Abstain Adoption of the annual accounts over the financial year 2024 2,435,403,040 77,530 674,780 Appointment of the external auditor for the financial year 2025 2,435,656,270 336,790 162,290 Release of the managing directors from liability for the exercise of their

May 22, 2025 EX-99.2

CONVENING NOTICE

CONVENING NOTICE This is the convening notice for the annual general meeting of shareholders of trivago N.

May 22, 2025 EX-99.1

trivago N.V. Announces Annual General Meeting of Shareholders

Exhibit 99.1 trivago N.V. Announces Annual General Meeting of Shareholders DÜSSELDORF, Germany, May 22, 2025 – trivago N.V. (NASDAQ: TRVG) announced today that its annual general meeting of shareholders will be held on June 27, 2025, at the offices of NautaDutilh N.V., Beethovenstraat 400, 1082 PR Amsterdam, the Netherlands. The meeting will start at 3:00 p.m. CEST. The convening notice and explan

May 22, 2025 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO SECTION 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 Date of Report: May, 2025 Commission File Number: 001-379

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO SECTION 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 Date of Report: May, 2025 Commission File Number: 001-37959 trivago N.V. (Exact Name of Registrant as Specified in Its Charter) Kesselstraße 5 - 7 40221 Düsseldorf Federal Republic of Germany +49 211 5406511

April 29, 2025 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO SECTION 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of April, 2025 Commission File Number: 001-

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO SECTION 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of April, 2025 Commission File Number: 001-37959 trivago N.V. (Exact Name of Registrant as Specified in Its Charter) Kesselstraße 5 - 7 40221 Düsseldorf Federal Republic of Germany +49 211 5406

April 29, 2025 EX-99.2

Accumulated other

Exhibit 99.2 trivago N.V. Unaudited Condensed Consolidated Interim Financial Statements as of March 31, 2025 1 trivago N.V. Condensed consolidated statements of operations (€ thousands, except per share amounts, unaudited) Three months ended March 31, 2025 2024 Revenue € 78,240 € 64,412 Revenue from related party 45,868 37,018 Total revenue 124,108 101,430 Costs and expenses: Cost of revenue, incl

April 29, 2025 EX-99.1

Operating and Financial Review

Exhibit 99.1 Operating and Financial Review DÜSSELDORF, GERMANY - April 29, 2025 – trivago N.V. (NASDAQ: TRVG) (the “Company”, “we,” “us,” “our,” or “trivago,”) announced financial results for the first quarter ended March 31, 2025. Highlights: •Total revenue grew 22% to €124.1 million, with Referral Revenue growing 23% to €123.4 million during the first quarter, compared to the same prior year pe

April 15, 2025 EX-99.1

trivago Appoints Dr. Wolf Schmuhl as Chief Financial Officer

Exhibit 99.1 trivago Appoints Dr. Wolf Schmuhl as Chief Financial Officer DÜSSELDORF, Germany, April 15, 2025 – trivago N.V. (NASDAQ: TRVG) is pleased to announce the appointment of Dr. Wolf Schmuhl as the company's new Chief Financial Officer, effective June 1, 2025. Dr. Schmuhl has proven himself during his tenure at trivago and is a natural fit for the role, bringing a wealth of experience in f

April 15, 2025 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO SECTION 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 Date of Report: April, 2025 Commission File Number: 001-3

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO SECTION 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 Date of Report: April, 2025 Commission File Number: 001-37959 trivago N.V. (Exact Name of Registrant as Specified in Its Charter) Kesselstraße 5 - 7 40221 Düsseldorf Federal Republic of Germany +49 211 38768

February 27, 2025 EX-4.11

TRIVAGO N.V. 2016 OMNIBUS INCENTIVE PLAN STOCK OPTION SUMMARY OF AWARD

Exhibit 4.11 TRIVAGO N.V. 2016 OMNIBUS INCENTIVE PLAN STOCK OPTION SUMMARY OF AWARD trivago N.V., a Dutch public limited company (the “Company”), pursuant to its 2016 Omnibus Incentive Plan, as amended from time to time (the “Plan”), hereby grants to the individual listed below (the “Participant”) an option to subscribe for the number of Shares set forth below (the “Stock Option”). The Stock Optio

February 27, 2025 EX-4.16

Amendment to Series B Preferred Share Purchase Agreement

Exhibit 4.16 CERTAIN IDENTIFIED INFORMATION HAS BEEN EXCLUDED FROM THIS EXHIBIT BECAUSE IT IS BOTH NOT MATERIAL AND IS THE TYPE THAT TRIVAGO N.V. TREATS AS PRIVATE OR CONFIDENTIAL. REDACTED TERMS IN THIS EXHIBIT ARE DESIGNATED BY “[*]”. Amendment to Series B Preferred Share Purchase Agreement This amendment (this “Amendment”) is entered into as of 30 July 2024 by and between Holisto Ltd, an Israel

February 27, 2025 EX-12.1

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

Exhibit 12.1 Certification by the Chief Executive Officer Pursuant to Section 302 of the Sarbanes-Oxley Act of 2002 I, Johannes Thomas, certify that: 1. I have reviewed this annual report on Form 20-F of trivago N.V. (the “Company”); 2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made,

February 27, 2025 EX-4.15

Series B Preferred Share Purchase Agreement

Exhibit 4.15 CERTAIN IDENTIFIED INFORMATION HAS BEEN EXCLUDED FROM THIS EXHIBIT BECAUSE IT IS BOTH NOT MATERIAL AND IS THE TYPE THAT TRIVAGO N.V. TREATS AS PRIVATE OR CONFIDENTIAL. REDACTED TERMS IN THIS EXHIBIT ARE DESIGNATED BY “[*]”. Series B Preferred Share Purchase Agreement This Series B Preferred Share Purchase Agreement (this “Agreement”) is made and entered into as of 30 July 2024 (the “E

February 27, 2025 EX-4.18

AMENDED AND RESTATED SHAREHOLDERS’ RIGHTS AGREEMENT

Exhibit 4.18 CERTAIN IDENTIFIED INFORMATION HAS BEEN EXCLUDED FROM THIS EXHIBIT BECAUSE IT IS BOTH NOT MATERIAL AND IS THE TYPE THAT TRIVAGO N.V. TREATS AS PRIVATE OR CONFIDENTIAL. REDACTED TERMS IN THIS EXHIBIT ARE DESIGNATED BY “[*]”. AMENDED AND RESTATED SHAREHOLDERS’ RIGHTS AGREEMENT THIS AMENDED AND RESTATED SHAREHOLDERS’ RIGHTS AGREEMENT (this “Agreement”) is made as of this 30 day of July,

February 27, 2025 20-F

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington D.C. 20549 Form 20-F

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington D.C. 20549 Form 20-F ☐ REGISTRATION STATEMENT PURSUANT TO SECTION 12(b) OR (g) OF THE SECURITIES EXCHANGE ACT OF 1934 OR ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2024 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF

February 27, 2025 EX-4.19

30 July, 2024

Exhibit 4.19 30 July, 2024 trivago N.V. Dear Sirs, Re: Trivago Side Letter Agreement This side letter (this “Agreement”) is being executed in connection with, and inducement for, an investment by trivago N.V., a company organized under the laws of the Netherlands (“Trivago”), in Holisto Ltd, an Israeli private limited liability company, registered number 515341535 with its principal office at 2 Sd

February 27, 2025 EX-15.1

CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

Exhibit 15.1 CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM We consent to the incorporation by reference in the following Registration Statements: (1)Registration Statement (Form F-3 No. 333-280823) of trivago N.V., (2)Registration Statement (Form S-8 No. 333-280813) pertaining to the trivago N.V. 2016 Omnibus Incentive Plan, (3)Registration Statement (Form S-8 No. 333-215164) pertaining

February 27, 2025 EX-2.6

1

Exhibit 2.6 Description of securities registered under Section 12 of the Exchange Act As of December 31, 2024, trivago N.V. (the “company,” “trivago,” “we,” “us,” and “our”) had two classes of securities registered pursuant to Section 12(b) of the Securities Exchange Act of 1934, as amended (the “Exchange Act”): our Class A shares and our American Depositary Shares ("ADSs"). A. Description of Clas

February 27, 2025 EX-11.1

Securities Trading Policy

Exhibit 11.1 Securities Trading Policy Who? This policy has been created for trivago N.V. and all its subsidiaries, which we refer to in this policy as “we,” “us,” or “trivago”. It covers the treatment of material non-public information as well as sales, purchases and all other transfers of securities. As used in this policy, the term “securities” includes not only ordinary shares but also preferr

February 27, 2025 EX-4.17

SHARE PURCHASE OPTION AGREEMENT

Exhibit 4.17 CERTAIN IDENTIFIED INFORMATION HAS BEEN EXCLUDED FROM THIS EXHIBIT BECAUSE IT IS BOTH NOT MATERIAL AND IS THE TYPE THAT TRIVAGO N.V. TREATS AS PRIVATE OR CONFIDENTIAL. REDACTED TERMS IN THIS EXHIBIT ARE DESIGNATED BY “[*]”. SHARE PURCHASE OPTION AGREEMENT This SHARE PURCHASE OPTION AGREEMENT (the “Agreement”) is made and entered into as of July 30, 2024 (the “Effective Date”) by and a

February 27, 2025 EX-12.2

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

Exhibit 12.2 Certification by the Chief Financial Officer Pursuant to Section 302 of the Sarbanes-Oxley Act of 2002 I, Robin Harries, certify that: 1. I have reviewed this annual report on Form 20-F of trivago N.V. (the “Company”); 2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, i

February 27, 2025 EX-13.1

Certification by the Chief Executive Officer and Chief Financial Officer pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002

Exhibit 13.1 Certification by the Chief Executive Officer and Chief Financial Officer pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002 In connection with the Annual Report on Form 20-F of trivago N.V. (the “Company”) for the year ended December 31, 2024 as filed with the U.S. Securities and Exchange Commission on the date hereof (the “Report”

February 4, 2025 EX-99.1

Operating and Financial Review

Exhibit 99.1 Operating and Financial Review DÜSSELDORF, GERMANY - February 4, 2025 – trivago N.V. (NASDAQ: TRVG) (the “Company”, “we,” “us,” “our,” or “trivago,”) announced financial results for the fourth quarter ended December 31, 2024. Highlights: •Total revenue grew 3% to €94.8 million, with Referral Revenue growing 5% to €93.5 million during the fourth quarter, compared to the same prior year

February 4, 2025 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO SECTION 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of February, 2025 Commission File Number: 0

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO SECTION 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of February, 2025 Commission File Number: 001-37959 trivago N.V. (Exact Name of Registrant as Specified in Its Charter) Kesselstraße 5 - 7 40221 Düsseldorf Federal Republic of Germany +49 211 5

January 27, 2025 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION

Form 40-F ☐ UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO SECTION 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 Date of Report: January 2025 Commission File Number: 001-37959 trivago N.V. (Exact Name of Registrant as Specified in Its Charter) Kesselstraße 5 - 7 40221 Düsseldorf Federal Republic of Germany

November 14, 2024 SC 13G/A

TRVG / trivago N.V. - Depositary Receipt (Common Stock) / PAR INVESTMENT PARTNERS LP - SC 13G/A Passive Investment

SC 13G/A 1 d831455dsc13ga.htm SC 13G/A UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. 2)* trivago N.V. (Name of Issuer) Class A Shares, Nominal value of £0.06 per share (Title of Class of Securities) 89686D105 (for American Depository Shares, each representing 1/5 of a Class A Share) (CUSIP Number) Septe

November 5, 2024 EX-99.1

Operating and Financial Review

Exhibit 99.1 Operating and Financial Review The following discussion should be considered together with our unaudited financial information included with this review and the periodic reports we file with the Securities and Exchange Commission, including the section contained in our Annual Report on Form 20-F for the fiscal year ended December 31, 2023, “Item 5. Operating and Financial Review and P

November 5, 2024 EX-99.2

September 30, 2024

Exhibit 99.2 trivago N.V. Unaudited Condensed Consolidated Interim Financial Statements as of September 30, 2024 1 trivago N.V. Condensed consolidated statements of operations (€ thousands, except per share amounts, unaudited) Three months ended September 30, Nine months ended September 30, 2024 2023 2024 2023 Revenue € 91,844 € 105,201 € 227,289 € 251,324 Revenue from related party 54,243 52,661

November 5, 2024 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO SECTION 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of November, 2024 Commission File Number: 0

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO SECTION 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of November, 2024 Commission File Number: 001-37959 trivago N.V. (Exact Name of Registrant as Specified in Its Charter) Kesselstraße 5 - 7 40221 Düsseldorf Federal Republic of Germany +49 211 5

July 30, 2024 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO SECTION 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of July, 2024 Commission File Number: 001-3

6-K 1 trivagonv-form6kq2x2024.htm 6-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO SECTION 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of July, 2024 Commission File Number: 001-37959 trivago N.V. (Exact Name of Registrant as Specified in Its Charter) Kesselstraße 5 - 7 40221 Düsseldorf Fed

July 30, 2024 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO SECTION 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 Date of Report: July, 2024 Commission File Number: 001-37

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO SECTION 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 Date of Report: July, 2024 Commission File Number: 001-37959 trivago N.V. (Exact Name of Registrant as Specified in Its Charter) Kesselstraße 5 - 7 40221 Düsseldorf Federal Republic of Germany +49 160 468191

July 30, 2024 EX-99.2

June 30, 2024

Exhibit 99.2 trivago N.V. Unaudited Condensed Consolidated Interim Financial Statements as of June 30, 2024 1 trivago N.V. Condensed consolidated statements of operations (€ thousands, except per share amounts, unaudited) Three months ended June 30, Six months ended June 30, 2024 2023 2024 2023 Revenue € 71,033 € 75,648 € 135,445 € 146,123 Revenue from related party 47,524 48,788 84,542 89,349 Tot

July 30, 2024 EX-99.1

Operating and Financial Review

Exhibit 99.1 Operating and Financial Review The following discussion should be considered together with our unaudited financial information included with this review and the periodic reports we file with the Securities and Exchange Commission, including the section contained in our Annual Report on Form 20-F for the fiscal year ended December 31, 2023, “Item 5. Operating and Financial Review and P

July 22, 2024 CORRESP

TRIVAGO N.V. Kesselstraße 5 - 7 40221 Düsseldorf Federal Republic of Germany

TRIVAGO N.V. Kesselstraße 5 - 7 40221 Düsseldorf Federal Republic of Germany July 22, 2024 VIA EDGAR Securities and Exchange Commission Division of Corporation Finance 100 F Street, N.E. Washington, D.C. 20549 Re: trivago N.V. Registration Statement on Form F-3 File No. 333-280823 Filed on July 16, 2024 (the “Registration Statement”) Ladies and Gentlemen: Pursuant to Rule 461 under the Securities

July 16, 2024 DEL AM

TRIVAGO N.V. Kesselstraße 5 - 7 40221 Düsseldorf Federal Republic of Germany

TRIVAGO N.V. Kesselstraße 5 - 7 40221 Düsseldorf Federal Republic of Germany July 16, 2024 VIA EDGAR Securities and Exchange Commission Division of Corporation Finance 100 F Street, N.E. Washington, D.C. 20549 Re: trivago N.V. Registration Statement on Form F-3 File No. 333-280823 Ladies and Gentlemen: Pursuant to Rule 473(c) of the Securities Act of 1933, as amended (the “Act”), the following del

July 16, 2024 EX-FILING FEES

Calculation of Filing Fee Table Form F-3 (Form Type) trivago N.V. (Exact Name of Registrant as Specified in its Charter) Table 1: Newly Registered and Carry Forward Securities

Exhibit 107 Calculation of Filing Fee Table Form F-3 (Form Type) trivago N.V. (Exact Name of Registrant as Specified in its Charter) Table 1: Newly Registered and Carry Forward Securities Security Type Security Class Title Fee Calculation or Carry Forward Rule Amount Registered Proposed Maximum Offering Price Per Unit Maximum Aggregate Offering Price Fee Rate Amount of Registration Fee Carry Forwa

July 16, 2024 F-3

As filed with the Securities and Exchange Commission on July 15, 2024

As filed with the Securities and Exchange Commission on July 15, 2024 Registration No.

July 16, 2024 F-3/A

TRIVAGO N.V. Kesselstraße 5 - 7 40221 Düsseldorf Federal Republic of Germany

TRIVAGO N.V. Kesselstraße 5 - 7 40221 Düsseldorf Federal Republic of Germany July 16, 2024 VIA EDGAR Securities and Exchange Commission Division of Corporation Finance 100 F Street, N.E. Washington, D.C. 20549 Re: trivago N.V. Registration Statement on Form F-3 File No. 333-280823 Ladies and Gentlemen: Pursuant to Rule 473(c) of the Securities Act of 1933, as amended (the “Act”), the following del

July 15, 2024 S-8

As filed with the Securities and Exchange Commission on July 15, 2024

As filed with the Securities and Exchange Commission on July 15, 2024 Registration No.

July 15, 2024 EX-4.2

TRIVAGO N.V. AMENDED AND RESTATED 2016 OMNIBUS INCENTIVE PLAN

Exhibit 4.2 TRIVAGO N.V. AMENDED AND RESTATED 2016 OMNIBUS INCENTIVE PLAN Section 1. PURPOSE; DEFINITIONS The purposes of this Plan are to give the Company a competitive advantage in attracting, retaining and motivating officers, employees, directors and/or consultants and to provide the Company and its Subsidiaries and Affiliates with a share and incentive plan providing incentives directly linke

July 15, 2024 EX-FILING FEES

CALCULATION OF FILING FEE TABLES Form S-8 (Form Type) trivago N.V. (Exact name of registrant as specified in its charter) Table 1: Newly Registered Securities

EXHIBIT 107 CALCULATION OF FILING FEE TABLES Form S-8 (Form Type) trivago N.V. (Exact name of registrant as specified in its charter) Table 1: Newly Registered Securities Security Type Security Class Title Fee Calculation Rule Amount Registered (2) Proposed Maximum Offering Price Per Unit (3) Maximum Aggregate Offering Price Fee Rate Amount of Registration Fee Equity Class A shares, nominal value

July 1, 2024 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO SECTION 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 Date of Report: July, 2024 Commission File Number: 001-37

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO SECTION 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 Date of Report: July, 2024 Commission File Number: 001-37959 trivago N.V. (Exact Name of Registrant as Specified in Its Charter) Kesselstraße 5 - 7 40221 Düsseldorf Federal Republic of Germany +49 211 540651

July 1, 2024 EX-99.1

trivago N.V. Annual General Meeting of Shareholders June 28, 2024 - 3:00 p.m. CEST Voting Results

Exhibit 99.1 trivago N.V. Annual General Meeting of Shareholders June 28, 2024 - 3:00 p.m. CEST Voting Results Resolution For Against Abstain Adoption of the annual accounts over the financial year 2023 2,426,041,050 215,120 533,255 Appointment of the external auditor for the financial year 2024 2,426,138,595 586,585 64,245 Release of the managing directors from liability for the exercise of their

June 28, 2024 SC 13G/A

TRVG / trivago N.V. - Depositary Receipt (Common Stock) / PAR INVESTMENT PARTNERS LP - SC 13G/A Passive Investment

SC 13G/A 1 d851754dsc13ga.htm SC 13G/A UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. 1)* trivago N.V. (Name of Issuer) Class A Shares, Nominal value of £0.06 per share (Title of Class of Securities) 89686D105 (for American Depository Shares, each representing 1/5 of a Class A Share) (CUSIP Number) June

May 23, 2024 EX-99.1

trivago N.V. Announces Annual General Meeting of Shareholders

Exhibit 99.1 trivago N.V. Announces Annual General Meeting of Shareholders DÜSSELDORF, Germany, May 23, 2024 - trivago N.V. (NASDAQ: TRVG) announced today that its annual general meeting of shareholders will be held on June 28, 2024 at the offices of NautaDutilh N.V., Beethovenstraat 400, 1082 PR Amsterdam, the Netherlands. The meeting will start at 3:00 p.m. CEST. The convening notice and explana

May 23, 2024 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO SECTION 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 Date of Report: May, 2024 Commission File Number: 001-379

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO SECTION 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 Date of Report: May, 2024 Commission File Number: 001-37959 trivago N.V. (Exact Name of Registrant as Specified in Its Charter) Kesselstraße 5 - 7 40221 Düsseldorf Federal Republic of Germany +49 211 5406511

May 23, 2024 EX-99.2

CONVENING NOTICE

Exhibit 99.2 CONVENING NOTICE This is the convening notice for the annual general meeting of shareholders of trivago N.V. (the "Company") to be held on June 28, 2024 at 15:00 CEST at the offices of NautaDutilh N.V., Beethovenstraat 400, 1082 PR Amsterdam, the Netherlands (the "AGM"). The agenda for the AGM is as follows: 1.Opening 2.Discussion of the annual report over the financial year 2023 (dis

April 30, 2024 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO SECTION 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of April, 2024 Commission File Number: 001-

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO SECTION 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of April, 2024 Commission File Number: 001-37959 trivago N.V. (Exact Name of Registrant as Specified in Its Charter) Kesselstraße 5 - 7 40221 Düsseldorf Federal Republic of Germany +49 211 5406

April 30, 2024 EX-99.2

March 31, 2024

Exhibit 99.2 trivago N.V. Unaudited Condensed Consolidated Interim Financial Statements as of March 31, 2024 1 trivago N.V. Condensed consolidated statements of operations (€ thousands, except per share amounts, unaudited) Three months ended March 31, 2024 2023 Revenue € 64,412 € 70,475 Revenue from related party 37,018 40,561 Total revenue 101,430 111,036 Costs and expenses: Cost of revenue, incl

April 30, 2024 EX-99.1

Operating and Financial Review

Exhibit 99.1 Operating and Financial Review The following discussion should be considered together with our unaudited financial information included with this review and the periodic reports we file with the Securities and Exchange Commission, including the section contained in our Annual Report on Form 20-F for the fiscal year ended December 31, 2023, “Item 5. Operating and Financial Review and P

March 1, 2024 EX-97.1

TRIVAGO N.V. Executive Officer Incentive Compensation Recovery Policy

Exhibit 97.1 TRIVAGO N.V. Executive Officer Incentive Compensation Recovery Policy I.Purpose The Management Board (the “Management Board”) of trivago N.V., a Dutch public company with limited liability (naamloze vennootschap) (the “Company”), following approval of the Supervisory Board of the Company (the “Supervisory Board”), has adopted this policy (this “Policy”) which (i) requires the recovery

March 1, 2024 EX-7.2

MANAGEMENT SERVICES AGREEMENT

Exhibit 7.2 MANAGEMENT SERVICES AGREEMENT This Management Services Agreement (the “Agreement”), effective January 1, 2023 is by and between: trivago N.V., a company organized and existing under the laws of Germany (“Service Recipient”) Kesselstraße 5-7 40221 Düsseldorf Germany And Expedia, Inc. a company organized and existing under the laws of the Delaware (“Service Provider”) 1111 Expedia Group

March 1, 2024 EX-13.1

Certification by the Chief Executive Officer and Chief Financial Officer pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002

Exhibit 13.1 Certification by the Chief Executive Officer and Chief Financial Officer pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002 In connection with the Annual Report on Form 20-F of trivago N.V. (the “Company”) for the year ended December 31, 2023 as filed with the U.S. Securities and Exchange Commission on the date hereof (the “Report”

March 1, 2024 EX-4.5

TRIVAGO N.V. AMENDED AND RESTATED 2016 OMNIBUS INCENTIVE PLAN

Exhibit 4.5 TRIVAGO N.V. AMENDED AND RESTATED 2016 OMNIBUS INCENTIVE PLAN Section 1. PURPOSE; DEFINITIONS The purposes of this Plan are to give the Company a competitive advantage in attracting, retaining and motivating officers, employees, directors and/or consultants and to provide the Company and its Subsidiaries and Affiliates with a share and incentive plan providing incentives directly linke

March 1, 2024 EX-1.1

This is a translation into English of the official Dutch version of the articles of association of a public company with limited liability under Dutch law. Definitions included in Article 1 below appear in the English alphabetical order, but will app

Exhibit 1.1 This is a translation into English of the official Dutch version of the articles of association of a public company with limited liability under Dutch law. Definitions included in Article 1 below appear in the English alphabetical order, but will appear in the Dutch alphabetical order in the official Dutch version. In the event of a conflict between the English and Dutch texts, the Dut

March 1, 2024 EX-4.12

TRIVAGO N.V. 2016 OMNIBUS INCENTIVE PLAN STOCK OPTION SUMMARY OF AWARD

Exhibit 4.12 TRIVAGO N.V. 2016 OMNIBUS INCENTIVE PLAN STOCK OPTION SUMMARY OF AWARD trivago N.V., a Dutch public limited company (the “Company”), pursuant to its 2016 Omnibus Incentive Plan, as amended from time to time (the “Plan”), hereby grants to the individual listed below (the “Participant”) an option to subscribe for the number of Shares set forth below (the “Stock Option”). The Stock Optio

March 1, 2024 EX-15.1

CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

Exhibit 15.1 CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM We consent to the incorporation by reference in the following Registration Statements: (1) Registration Statement (Form F-3 No. 333-255378) of trivago N.V., (2) Registration Statement (Form S-8 No. 333-215164) pertaining to the trivago N.V. 2016 Omnibus Incentive Plan, and (3) Registration Statement (Form S-8 No. 333-258288) per

March 1, 2024 EX-4.11

TRIVAGO N.V. 2016 OMNIBUS INCENTIVE PLAN STOCK OPTION SUMMARY OF AWARD

Exhibit 4.11 TRIVAGO N.V. 2016 OMNIBUS INCENTIVE PLAN STOCK OPTION SUMMARY OF AWARD trivago N.V., a Dutch public limited company (the “Company”), pursuant to its 2016 Omnibus Incentive Plan, as amended from time to time (the “Plan”), hereby grants to the individual listed below (the “Participant”) an option to subscribe for the number of Shares set forth below (the “Stock Option”). The Stock Optio

March 1, 2024 EX-1.2

MANAGEMENT BOARD RULES TRIVAGO N.V.

Exhibit 1.2 MANAGEMENT BOARD RULES TRIVAGO N.V. INTRODUCTION Article 1 9.1These rules govern the organisation, decision-making and other internal matters of the Management Board. In performing their duties, the Managing Directors shall act in compliance with these rules. 9.2These rules are complementary to, and subject to, the Articles of Association, and applicable laws and regulations. 9.3These

March 1, 2024 20-F

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington D.C. 20549 Form 20-F

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington D.C. 20549 Form 20-F ☐ REGISTRATION STATEMENT PURSUANT TO SECTION 12(b) OR (g) OF THE SECURITIES EXCHANGE ACT OF 1934 OR ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2023 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF

March 1, 2024 EX-12.1

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

Exhibit 12.1 Certification by the Chief Executive Officer Pursuant to Section 302 of the Sarbanes-Oxley Act of 2002 I, Johannes Thomas, certify that: 1. I have reviewed this annual report on Form 20-F of trivago N.V. (the “Company”); 2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made,

March 1, 2024 EX-1.3

SUPERVISORY BOARD RULES TRIVAGO N.V.

Exhibit 1.3 SUPERVISORY BOARD RULES TRIVAGO N.V. INTRODUCTION Article 1 10.1These rules govern the organisation, decision-making and other internal matters of the Supervisory Board. In performing their duties, the Supervisory Directors shall act in compliance with these rules. 10.2These rules are complementary to, and subject to, the Articles of Association and applicable laws and regulations. 10.

March 1, 2024 EX-7.1

SERVICES AND SUPPORT AGREEMENT

Exhibit 7.1 SERVICES AND SUPPORT AGREEMENT This Services and Support Agreement (the “Agreement”), effective November 1, 2023, is by and between: trivago N.V., a company organized and existing under the laws of Germany (“trivago” or “Service Recipient”) Kesselstraße 5-7 40221 Düsseldorf Germany And Expedia Group International Holdings III, LLC, a company organized and existing under the laws of Del

March 1, 2024 EX-2.6

1

Exhibit 2.6 Description of securities registered under Section 12 of the Exchange Act As of December 31, 2023, trivago N.V. (the “company,” “trivago,” “we,” “us,” and “our”) had two classes of securities registered pursuant to Section 12(b) of the Securities Exchange Act of 1934, as amended (the “Exchange Act”): our Class A shares and our American Depositary Shares ("ADSs"). A. Description of Clas

March 1, 2024 EX-12.2

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

Exhibit 12.2 Certification by the Chief Financial Officer Pursuant to Section 302 of the Sarbanes-Oxley Act of 2002 I, Kevin Hu, certify that: 1. I have reviewed this annual report on Form 20-F of trivago N.V. (the “Company”); 2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in lig

February 16, 2024 EX-99.1

JOINT FILING AGREEMENT

EX-99.1 EXHIBIT 99.1 JOINT FILING AGREEMENT In accordance with Rule 13d-1(k) of the Securities Exchange Act of 1934, as amended, the undersigned agree to the joint filing on behalf of each of them of a Statement on Schedule 13G (including any and all amendments thereto) with respect to the Class A Common Shares of trivago N.V. and further agree that this Joint Filing Agreement shall be included as

February 16, 2024 SC 13G

TRVG / trivago N.V. - Depositary Receipt (Common Stock) / PAR INVESTMENT PARTNERS LP - SC 13G Passive Investment

SC 13G UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No.  )* trivago N.V. (Name of Issuer) Class A Shares, Nominal value of £0.06 per share (Title of Class of Securities) 89686D105 (for American Depository Shares, each representing 1/5 of a Class A Share) (CUSIP Number) February 7, 2024 (Date of Event Which

February 6, 2024 EX-99.1

Operating and Financial Review

Exhibit 99.1 Operating and Financial Review The following discussion should be considered together with our unaudited financial information included with this review and the periodic reports we file with the Securities and Exchange Commission, including the section contained in our Annual Report on Form 20-F for the fiscal year ended December 31, 2022, “Item 5. Operating and Financial Review and P

February 6, 2024 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO SECTION 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of February, 2024 Commission File Number: 0

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO SECTION 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of February, 2024 Commission File Number: 001-37959 trivago N.V. (Exact Name of Registrant as Specified in Its Charter) Kesselstraße 5 - 7 40221 Düsseldorf Federal Republic of Germany +49 211 5

December 19, 2023 SC 13D/A

TRVG / trivago N.V. - Depositary Receipt (Common Stock) / Schroemgens Rolf - AMENDMENT NO. 4 TO SCHEDULE 13D Activist Investment

SC 13D/A 1 ea190261-13da4schrotrivago.htm AMENDMENT NO. 4 TO SCHEDULE 13D UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 SCHEDULE 13D Under the Securities Exchange Act of 1934 (Amendment No. 4)* trivago N.V. (Name of Issuer) Class A shares, nominal value of €0.06 per share (Title of Class of Securities) 89686D303 (for American Depositary Shares, each representing five Clas

December 15, 2023 SC 13G/A

TRVG / Trivago NV - ADR / PAR INVESTMENT PARTNERS LP - SC 13G/A Passive Investment

SC 13G/A 1 d578629dsc13ga.htm SC 13G/A UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. 1)* trivago N.V. (Name of Issuer) Class A Shares, Nominal value of £0.06 per share (Title of Class of Securities) 89686D105 (for American Depository Shares, each representing one Class A Share) (CUSIP Number) December 1

December 5, 2023 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO SECTION 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 Date of Report: December, 2023 Commission File Number: 00

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO SECTION 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 Date of Report: December, 2023 Commission File Number: 001-37959 trivago N.V. (Exact Name of Registrant as Specified in Its Charter) Kesselstraße 5 - 7 40221 Düsseldorf Federal Republic of Germany +49 211 54

November 22, 2023 EX-99.1

JOINT FILING AGREEMENT

EX-99.1 2 d816721dex991.htm EX-99.1 EXHIBIT 99.1 JOINT FILING AGREEMENT In accordance with Rule 13d-1(k) of the Securities Exchange Act of 1934, as amended, the undersigned agree to the joint filing on behalf of each of them of a Statement on Schedule 13G (including any and all amendments thereto) with respect to the Class A Shares, of trivago N.V. and further agree that this Joint Filing Agreemen

November 22, 2023 SC 13G

TRVG / Trivago NV - ADR / PAR INVESTMENT PARTNERS LP - SC 13G Passive Investment

SC 13G UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. )* trivago N.V. (Name of Issuer) Class A Shares, Nominal value of €0.06 per share (Title of Class of Securities) 89686D105 (for American Depositary Shares, each representing one Class A Share) (CUSIP Number) November 20, 2023 (Date of Event Which Requ

November 17, 2023 F-6 POS

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 POST-EFFECTIVE AMENDMENT NO. 1 TO FORM F-6 REGISTRATION STATEMENT UNDER THE SECURITIES ACT OF 1933 FOR DEPOSITARY SHARES EVIDENCED BY AMERICAN DEPOSITARY RECEIPTS trivago N.V. (E

As filed with the Securities and Exchange Commission on November 17, 2023 Registration No.

November 17, 2023 EX-99.1

AMENDMENT NO. 1 TO THE DEPOSIT AGREEMENT

AMENDMENT NO. 1 TO THE DEPOSIT AGREEMENT THIS AMENDMENT NO. 1 dated as of November 17, 2023 (the “Effective Date”) to the Deposit Agreement, dated as of December 15, 2016, (the “Deposit Agreement”), by and among (i) trivago N.V., a company incorporated under the laws of the Netherlands, with its principal executive office at Kesselstraße 5 - 7, 40221 Düsseldorf, Federal Republic of Germany (togeth

November 17, 2023 EX-99.2

Certification under Rule 466

Certification under Rule 466 The depositary, Deutsche Bank Trust Company Americas, represents and certifies the following: (1) That it previously had filed a registration statement on Form F-6 (trivago N.

November 1, 2023 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO SECTION 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 Date of Report: November, 2023 Commission File Number: 00

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO SECTION 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 Date of Report: November, 2023 Commission File Number: 001-37959 trivago N.V. (Exact Name of Registrant as Specified in Its Charter) Kesselstraße 5 - 7 40221 Düsseldorf Federal Republic of Germany +49 211 54

November 1, 2023 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO SECTION 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of November, 2023 Commission File Number: 0

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO SECTION 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of November, 2023 Commission File Number: 001-37959 trivago N.V. (Exact Name of Registrant as Specified in Its Charter) Kesselstraße 5 - 7 40221 Düsseldorf Federal Republic of Germany +49 211 5

November 1, 2023 EX-99.2

1

Exhibit 99.2 trivago N.V. Unaudited Condensed Consolidated Interim Financial Statements as of September 30, 2023 1 trivago N.V. Condensed consolidated statements of operations (€ thousands, except per share amounts, unaudited) Three months ended September 30, Nine months ended September 30, 2023 2022 2023 2022 Revenue € 105,201 € 122,747 € 251,324 € 294,224 Revenue from related party 52,661 60,955

November 1, 2023 EX-99.1

trivago N.V. Extraordinary General Meeting of Shareholders November 1, 2023 - 3:00 p.m. CEST Voting Results

Exhibit 99.1 trivago N.V. Extraordinary General Meeting of Shareholders November 1, 2023 - 3:00 p.m. CEST Voting Results Resolution For Against Abstain Distribution from the Company's distributable reserves 2,120,730,746 277,744 163,714

November 1, 2023 EX-99.2

trivago Announces Ex-Dividend Date for Extraordinary Dividend and Updates Effective Date for the Ratio Change under its American Depositary Share Program

Exhibit 99.2 trivago Announces Ex-Dividend Date for Extraordinary Dividend and Updates Effective Date for the Ratio Change under its American Depositary Share Program DÜSSELDORF, Germany, November 1, 2023 - trivago N.V. (NASDAQ: TRVG) announced today that, in connection with the Company’s recently announced one-time extraordinary cash dividend of EUR 0.529228 per share (the “Extraordinary Dividend

November 1, 2023 EX-99.1

Operating and Financial Review

Exhibit 99.1 Operating and Financial Review The following discussion should be considered together with our unaudited financial information included with this review and the periodic reports we file with the Securities and Exchange Commission, including the section contained in our Annual Report on Form 20-F for the fiscal year ended December 31, 2022, “Item 5. Operating and Financial Review and P

October 27, 2023 EX-99.1

trivago Announces Ratio Change under its American Depositary Share Program

Exhibit 99.1 trivago Announces Ratio Change under its American Depositary Share Program DÜSSELDORF, Germany, October 27, 2023 - trivago N.V. (NASDAQ: TRVG) announced today that its management board has approved a change of ratio in the Company’s American Depositary Share (“ADS”) program, comprising a change in the ratio of American Depositary Shares (the “ADSs”) to trivago class A shares (the “Sha

October 27, 2023 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO SECTION 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 Date of Report: October, 2023 Commission File Number: 001

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO SECTION 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 Date of Report: October, 2023 Commission File Number: 001-37959 trivago N.V. (Exact Name of Registrant as Specified in Its Charter) Kesselstraße 5 - 7 40221 Düsseldorf Federal Republic of Germany +49 211 540

October 5, 2023 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO SECTION 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 Date of Report: October, 2023 Commission File Number: 001

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO SECTION 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 Date of Report: October, 2023 Commission File Number: 001-37959 trivago N.V. (Exact Name of Registrant as Specified in Its Charter) Kesselstraße 5 - 7 40221 Düsseldorf Federal Republic of Germany +49 211 540

October 5, 2023 EX-99.1

trivago N.V. to Welcome New Chief Financial Officer

Exhibit 99.1 trivago N.V. to Welcome New Chief Financial Officer DÜSSELDORF, Germany, October 5, 2023 - trivago N.V. (NASDAQ: TRVG) announced today that Matthias Tillmann will step down from his position as Chief Financial Officer (CFO) at the close of this year to pursue other interests. Robin Harries will join the company as CFO no later than April 1, 2024. Tillmann will continue to serve as a c

September 15, 2023 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO SECTION 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 Date of Report: September, 2023 Commission File Number: 0

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO SECTION 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 Date of Report: September, 2023 Commission File Number: 001-37959 trivago N.V. (Exact Name of Registrant as Specified in Its Charter) Kesselstraße 5 - 7 40221 Düsseldorf Federal Republic of Germany +49 211 5

September 15, 2023 EX-99.2

CONVENING NOTICE

Exhibit 99.2 CONVENING NOTICE This is the convening notice for the extraordinary general meeting of shareholders of trivago N.V. (the "Company") to be held on November 1, 2023 at 15:00 CEST at the offices of NautaDutilh N.V., Beethovenstraat 400, 1082 PR Amsterdam, the Netherlands (the "EGM"). The agenda for the EGM is as follows: 1.Opening 2.Distribution from the Company's distributable reserves

September 15, 2023 EX-99.1

trivago N.V. Announces an Extraordinary General Meeting of Shareholders to Approve One-time Extraordinary Dividend

Exhibit 99.1 trivago N.V. Announces an Extraordinary General Meeting of Shareholders to Approve One-time Extraordinary Dividend DÜSSELDORF, Germany, September 15, 2023 - trivago N.V. (NASDAQ: TRVG) announced today that an extraordinary general meeting of shareholders (“EGM”) will be held on November 1, 2023 at the offices of NautaDutilh N.V., Beethovenstraat 400, 1082 PR Amsterdam, the Netherlands

September 5, 2023 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO SECTION 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 Date of Report: September, 2023 Commission File Number: 0

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO SECTION 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 Date of Report: September, 2023 Commission File Number: 001-37959 trivago N.V. (Exact Name of Registrant as Specified in Its Charter) Kesselstraße 5 - 7 40221 Düsseldorf Federal Republic of Germany +49 211 5

September 5, 2023 EX-99.1

trivago Reinforces Brand Marketing to Drive Long-Term Growth

Exhibit 99.1 trivago Reinforces Brand Marketing to Drive Long-Term Growth Düsseldorf, Germany – 05.09.2023: trivago, the leading global hotel search engine, is announcing a renewed focus on its brand marketing strategy. This strategic shift aims to fuel long-term growth and underscore the relevance of its offerings to travelers. Additionally, trivago anticipates distributing a one-time extraordina

August 1, 2023 EX-99.2

1

Exhibit 99.2 trivago N.V. Unaudited Condensed Consolidated Interim Financial Statements as of June 30, 2023 1 trivago N.V. Condensed consolidated statements of operations (€ thousands, except per share amounts, unaudited) Three months ended June 30, Six months ended June 30, 2023 2022 2023 2022 Revenue € 75,648 € 103,769 € 146,123 € 171,477 Revenue from related party 48,788 41,006 89,349 74,936 To

August 1, 2023 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO SECTION 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of August, 2023 Commission File Number: 001

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO SECTION 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of August, 2023 Commission File Number: 001-37959 trivago N.V. (Exact Name of Registrant as Specified in Its Charter) Kesselstraße 5 - 7 40221 Düsseldorf Federal Republic of Germany +49 211 540

August 1, 2023 EX-99.1

Operating and Financial Review

Exhibit 99.1 Operating and Financial Review The following discussion should be considered together with our unaudited financial information included with this review and the periodic reports we file with the Securities and Exchange Commission, including the section contained in our Annual Report on Form 20-F for the fiscal year ended December 31, 2022, “Item 5. Operating and Financial Review and P

July 3, 2023 EX-99.1

trivago N.V. Annual General Meeting of Shareholders June 30, 2023 - 3:00 p.m. CEST Voting Results

Exhibit 99.1 trivago N.V. Annual General Meeting of Shareholders June 30, 2023 - 3:00 p.m. CEST Voting Results Resolution For Against Abstain Adoption of the annual accounts over the financial year 2022 2,121,178,780 187,355 253,546 Appointment of the external auditor for the financial year 2023 2,121,278,958 281,002 59,721 Release of the managing directors from liability for the exercise of their

July 3, 2023 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO SECTION 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 Date of Report: July, 2023 Commission File Number: 001-37

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO SECTION 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 Date of Report: July, 2023 Commission File Number: 001-37959 trivago N.V. (Exact Name of Registrant as Specified in Its Charter) Kesselstraße 5 - 7 40221 Düsseldorf Federal Republic of Germany +49 211 540651

May 26, 2023 EX-99.2

CONVENING NOTICE

Exhibit 99.2 CONVENING NOTICE This is the convening notice for the annual general meeting of shareholders of trivago N.V. (the "Company") to be held on June 30, 2023 at 15:00 CEST at the offices of NautaDutilh N.V., Beethovenstraat 400, 1082 PR Amsterdam, the Netherlands (the "AGM"). The agenda for the AGM is as follows: 1.Opening 2.Discussion of the annual report over the financial year 2022 (dis

May 26, 2023 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO SECTION 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 Date of Report: May, 2023 Commission File Number: 001-379

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO SECTION 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 Date of Report: May, 2023 Commission File Number: 001-37959 trivago N.V. (Exact Name of Registrant as Specified in Its Charter) Kesselstraße 5 - 7 40221 Düsseldorf Federal Republic of Germany +49 211 5406511

May 26, 2023 EX-99.1

trivago N.V. Announces Annual General Meeting of Shareholders

Exhibit 99.1 trivago N.V. Announces Annual General Meeting of Shareholders DÜSSELDORF, Germany, May 24, 2023 - trivago N.V. (NASDAQ: TRVG) announced today that its annual general meeting of shareholders will be held on June 30, 2023 at the offices of NautaDutilh N.V., Beethovenstraat 400, 1082 PR Amsterdam, the Netherlands. The meeting will start at 3:00 p.m. CEST. The convening notice and explana

May 9, 2023 EX-99.1

trivago Introduces New Leadership Team Featuring Experienced Travel Industry Executives

Exhibit 99.1 Press Release FOR IMMEDIATE RELEASE trivago Introduces New Leadership Team Featuring Experienced Travel Industry Executives DÜSSELDORF, Germany, May 09, 2023 — Today, trivago N.V. (NASDAQ: TRVG) announced a significant transformation in its leadership structure, welcoming a team of accomplished travel industry executives, who played significant roles in the company's worldwide growth. E

May 9, 2023 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO SECTION 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of May, 2023 Commission File Number: 001-37

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO SECTION 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of May, 2023 Commission File Number: 001-37959 trivago N.V. (Exact Name of Registrant as Specified in Its Charter) Kesselstraße 5 - 7 40221 Düsseldorf Federal Republic of Germany +49 211 540651

May 2, 2023 EX-99.3

1

Exhibit 99.3 trivago N.V. Unaudited Condensed Consolidated Interim Financial Statements as of March 31, 2023 1 trivago N.V. Condensed consolidated statements of operations (€ thousands, except per share amounts, unaudited) Three months ended March 31, 2023 2022 Revenue € 70,475 € 67,708 Revenue from related party 40,561 33,930 Total revenue 111,036 101,638 Costs and expenses: Cost of revenue, incl

May 2, 2023 EX-99.1

Operating and Financial Review

Exhibit 99.1 Operating and Financial Review The following discussion should be considered together with our unaudited financial information included with this review and the periodic reports we file with the Securities and Exchange Commission, including the section contained in our Annual Report on Form 20-F for the fiscal year ended December 31, 2022, “Item 5. Operating and Financial Review and P

May 2, 2023 EX-99.2

1

Exhibit 99.2 Shareholder Letter Q1 2023 Key financial and business metrics (€ millions, unless otherwise stated) Q1 2023 2022 Y/Y Total revenue €111.0 €101.6 9% Referral Revenue €109.3 €98.4 11% Return on Advertising Spend (in %) 168.2% 183.9% (15.7) ppts Net income/(loss) €9.9 €(10.7) n.m. Adjusted EBITDA(1) €18.6 €21.1 (12)% n.m. not meaningful (1) “Adjusted EBITDA” is a non-GAAP measure. Please

May 2, 2023 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO SECTION 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of May, 2023 Commission File Number: 001-37

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO SECTION 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of May, 2023 Commission File Number: 001-37959 trivago N.V. (Exact Name of Registrant as Specified in Its Charter) Kesselstraße 5 - 7 40221 Düsseldorf Federal Republic of Germany +49 211 540651

March 3, 2023 EX-2.6

Description of securities registered under Section 12 of the Securities Exchange Act of 1934

Exhibit 2.6 Description of securities registered under Section 12 of the Exchange Act As of December 31, 2022, trivago N.V. (the “company,” “trivago,” “we,” “us,” and “our”) had two classes of securities registered pursuant to Section 12(b) of the Securities Exchange Act of 1934, as amended (the “Exchange Act”): our Class A shares and our American Depositary Shares ("ADSs"). A. Description of Clas

March 3, 2023 EX-4.12

Form of Amendment to Stock Option Agreements for the Management Board

Exhibit 4.12 AMENDMENT AND TERMINATION AGREEMENT This Amendment and Termination Agreement is entered into and effective as of July 11, 2022, by and between trivago N.V., a Dutch public limited company (the “Company”), and [insert management board member] (the “Participant”) (this “Agreement”). Each of the Company and the Participant are sometimes referred to herein individually as a “Party” and co

March 3, 2023 EX-2.2(B)

Third Amendment to Amended and Restated Shareholders' Agreement of trivago N.V.

Exhibit 2.2(b) THIRD AMENDMENT TO THE SHAREHOLDERS AGREEMENT This third amendment to the Shareholders Agreement (as defined below) (this “Third Amendment”) is made and entered into this eighteenth day of May, 2022, by and among trivago N.V., a public limited liability company (naamloze vennootschap) incorporated under the laws of The Netherlands with statutory seat in Amsterdam, The Netherlands (“

March 3, 2023 EX-1.3

mended Supervisory Board Rules.

EX-1.3 2 exhibit13amendedsupervisor.htm EX-1.3 Exhibit 1.3 May 24, 2022 SUPERVISORY BOARD RULES TRIVAGO N.V. INTRODUCTION Article 1 1.1These rules govern the organisation, decision-making and other internal matters of the Supervisory Board. In performing their duties, the Supervisory Directors shall act in compliance with these rules and the Amended and Restated Shareholders' Agreement. 1.2These r

March 3, 2023 20-F

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington D.C. 20549 Form 20-F

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington D.C. 20549 Form 20-F ☐ REGISTRATION STATEMENT PURSUANT TO SECTION 12(b) OR (g) OF THE SECURITIES EXCHANGE ACT OF 1934 OR ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2022 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF

March 3, 2023 EX-4.11

Form of Stock Option Summary of Award

Exhibit 4.11 TRIVAGO N.V. 2016 OMNIBUS INCENTIVE PLAN FORM OF STOCK OPTION SUMMARY OF AWARD trivago N.V., a Dutch public limited company (the “Company”), pursuant to its 2016 Omnibus Incentive Plan, as amended from time to time (the “Plan”), hereby grants to the individual listed below (the “Participant”) an option to subscribe for the number of Shares set forth below (the “Stock Option”). The Sto

March 3, 2023 EX-12.2

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

Exhibit 12.2 Certification by the Chief Financial Officer Pursuant to Section 302 of the Sarbanes-Oxley Act of 2002 I, Matthias Tillmann, certify that: 1. I have reviewed this annual report on Form 20-F of trivago N.V. (the “Company”); 2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements mad

March 3, 2023 EX-12.1

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

Exhibit 12.1 Certification by the Chief Executive Officer Pursuant to Section 302 of the Sarbanes-Oxley Act of 2002 I, Axel Hefer, certify that: 1. I have reviewed this annual report on Form 20-F of trivago N.V. (the “Company”); 2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in l

March 3, 2023 EX-13.1

Certification by Principal Executive Officer and Principal Financial Officer Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002.

Exhibit 13.1 Certification by the Chief Executive Officer and Chief Financial Officer pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002 In connection with the Annual Report on Form 20-F of trivago N.V. (the “Company”) for the year ended December 31, 2022 as filed with the U.S. Securities and Exchange Commission on the date hereof (the “Report”

March 3, 2023 EX-2.2(C)

Joinder Agreement to Amended and Restated Shareholders' Agreement

Exhibit 2.2(c) JOINDER The undersigned are executing and delivering this Joinder Agreement, dated as of November 14, 2022, pursuant to that certain Amended and Restated Shareholders Agreement, dated as of December 15, 2016 concerning trivago N.V. (as amended, restated, supplemented or otherwise modified in accordance with the terms thereof, the “Shareholders Agreement”), by and among the Parties s

March 3, 2023 EX-15.1

Consent of Ernst & Young GmbH Wirtschaftsprüfungsgesellschaft.

Exhibit 15.1 CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM We consent to the incorporation by reference in the following Registration Statements: (1) Registration Statement (Form F-3 No. 333-255378) of trivago N.V., (2) Registration Statement (Form S-8 No. 333-215164) pertaining to the trivago N.V. 2016 Omnibus Incentive Plan, and (3) Registration Statement (Form S-8 No. 333-258288) per

February 7, 2023 EX-99.2

1

Exhibit 99.2 February 7, 2023 Dear Shareholders, Last year was a turning point for the travel industry as COVID-19 became endemic in most parts of the world, and we have seen a strong recovery in leisure travel. The surge in inflation has led to significantly higher Average Daily Rates (ADRs) for hotels in many of our core markets without our having observed any notable adverse effects on travel d

February 7, 2023 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO SECTION 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of February, 2023 Commission File Number: 0

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO SECTION 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of February, 2023 Commission File Number: 001-37959 trivago N.V. (Exact Name of Registrant as Specified in Its Charter) Kesselstraße 5 - 7 40221 Düsseldorf Federal Republic of Germany +49 211 5

February 7, 2023 EX-99.1

Operating and Financial Review

Exhibit 99.1 Operating and Financial Review The following discussion should be considered together with our unaudited financial information included with this review and the periodic reports we file with the Securities and Exchange Commission, including the section contained in our Annual Report on Form 20-F for the fiscal year ended December 31, 2021, “Item 5. Operating and Financial Review and P

November 3, 2022 SC 13D/A

TRVG / Trivago NV / Vinnemeier Peter - SC 13D/A Activist Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 SCHEDULE 13D Under the Securities Exchange Act of 1934 (Amendment No. 11)* trivago N.V. (Name of Issuer) Class A shares, nominal value of ?0.06 per share (Title of Class of Securities) 89686D 105 (for American Depositary Shares, each representing one Class A Share) (CUSIP Number) Peter Vinnemeier Kesselstra?e 5-7 40221 D?sseld

November 1, 2022 EX-99.1

Operating and Financial Review

Exhibit 99.1 Operating and Financial Review The following discussion should be considered together with our unaudited financial information included with this review and the periodic reports we file with the Securities and Exchange Commission, including the section contained in our Annual Report on Form 20-F for the fiscal year ended December 31, 2021, ?Item 5. Operating and Financial Review and P

November 1, 2022 EX-99.2

1

Exhibit 99.2 November 1, 2022 Dear Shareholders, The past few months have given us a better view on the ?new normal?. The pandemic appears to be behind us as high immunization levels ? achieved both through large-scale vaccinations and mass recovery from COVID-19 infections ? have eased the impact of the pandemic on consumer behavior and travel activity in most parts of the world. We have seen a s

November 1, 2022 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO SECTION 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of November, 2022 Commission File Number: 0

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO SECTION 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of November, 2022 Commission File Number: 001-37959 trivago N.V. (Exact Name of Registrant as Specified in Its Charter) Kesselstraße 5 - 7 40221 Düsseldorf Federal Republic of Germany +49 211 5

November 1, 2022 EX-99.3

1

Exhibit 99.3 trivago N.V. Unaudited Condensed Consolidated Interim Financial Statements as of September 30, 2022 1 trivago N.V. Condensed consolidated statements of operations (? thousands, except per share amounts, unaudited) Three months ended September 30, Nine months ended September 30, 2022 2021 2022 2021 Revenue ? 122,747 ? 102,801 ? 294,224 ? 208,747 Revenue from related party 60,955 35,838

September 19, 2022 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO SECTION 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 Date of Report: September, 2022 Commission File Number: 0

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO SECTION 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 Date of Report: September, 2022 Commission File Number: 001-37959 trivago N.V. (Exact Name of Registrant as Specified in Its Charter) Kesselstra?e 5 - 7 40221 D?sseldorf Federal Republic of Germany +49 211 5

August 9, 2022 EX-99.3

1

Exhibit 99.3 trivago N.V. Unaudited Condensed Consolidated Interim Financial Statements as of June 30, 2022 1 trivago N.V. Condensed consolidated statements of operations (? thousands, except per share amounts, unaudited) Three months ended June 30, Six months ended June 30, 2022 2021 2022 2021 Revenue ? 103,769 ? 75,337 ? 171,477 ? 105,946 Revenue from related party 41,006 20,137 74,936 27,754 To

August 9, 2022 EX-99.1

Operating and Financial Review

Exhibit 99.1 Operating and Financial Review The following discussion should be considered together with our unaudited financial information included with this review and the periodic reports we file with the Securities and Exchange Commission, including the section contained in our Annual Report on Form 20-F for the fiscal year ended December 31, 2021, ?Item 5. Operating and Financial Review and P

August 9, 2022 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO SECTION 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of August, 2022 Commission File Number: 001

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO SECTION 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of August, 2022 Commission File Number: 001-37959 trivago N.V. (Exact Name of Registrant as Specified in Its Charter) Kesselstra?e 5 - 7 40221 D?sseldorf Federal Republic of Germany +49 211 540

August 9, 2022 EX-99.2

1

Exhibit 99.2 August 9, 2022 Dear Shareholders, In the past quarter, we have seen the end of almost all COVID-19 restrictions and a sharp rebound in travel activity across most of our core markets. While we continue to experience high pent-up demand, strong advertiser bidding dynamics and a strong summer season, we are preparing ourselves for an economic slowdown. The war in Ukraine, supply chain i

July 1, 2022 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO SECTION 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 Date of Report: July, 2022 Commission File Number: 001-37

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO SECTION 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 Date of Report: July, 2022 Commission File Number: 001-37959 trivago N.V. (Exact Name of Registrant as Specified in Its Charter) Kesselstra?e 5 - 7 40221 D?sseldorf Federal Republic of Germany +49 211 540651

July 1, 2022 EX-99.1

trivago N.V. Annual General Meeting of Shareholders June 30, 2022 - 3:00 p.m. CEST Voting Results

Exhibit 99.1 trivago N.V. Annual General Meeting of Shareholders June 30, 2022 - 3:00 p.m. CEST Voting Results Resolution For Against Abstain Adoption of the annual accounts over the financial year 2021 2,422,608,609 604,025 144,340 Appointment of the external auditor for the financial year 2022 2,422,640,535 603,824 112,615 Release of the managing directors from liability for the exercise of thei

May 31, 2022 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO SECTION 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 Date of Report: May, 2022 Commission File Number: 001-379

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO SECTION 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 Date of Report: May, 2022 Commission File Number: 001-37959 trivago N.V. (Exact Name of Registrant as Specified in Its Charter) Kesselstra?e 5 - 7 40221 D?sseldorf Federal Republic of Germany +49 211 5406511

May 31, 2022 EX-99.1

trivago N.V. Announces Annual General Meeting of Shareholders

Exhibit 99.1 trivago N.V. Announces Annual General Meeting of Shareholders trivago N.V. (NASDAQ: TRVG) announced today that its annual general meeting of shareholders will be held on June 30, 2022 at the offices of NautaDutilh N.V., Beethovenstraat 400, 1082 PR Amsterdam, the Netherlands. The meeting will start at 3:00 p.m. CEST. The convening notice and explanatory notes for the general meeting a

May 31, 2022 EX-99.2

CONVENING NOTICE

Exhibit 99.2 CONVENING NOTICE This is the convening notice for the annual general meeting of shareholders of trivago N.V. (the "Company") to be held on June 30, 2022 at 15:00 CEST at Beethovenstraat 400, 1082 PR Amsterdam, the Netherlands (the "AGM"). The agenda for the AGM is as follows: 1.Opening 2.Discussion of the annual report over the financial year 2021 (discussion item) 3.Adoption of the a

May 2, 2022 EX-99.1

Operating and Financial Review

Exhibit 99.1 Operating and Financial Review The following discussion should be considered together with our unaudited financial information included with this review and the periodic reports we file with the Securities and Exchange Commission, including the section contained in our Annual Report on Form 20-F for the fiscal year ended December 31, 2021, ?Item 5. Operating and Financial Review and P

May 2, 2022 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO SECTION 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of May, 2022 Commission File Number: 001-37

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO SECTION 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of May, 2022 Commission File Number: 001-37959 trivago N.V. (Exact Name of Registrant as Specified in Its Charter) Kesselstra?e 5 - 7 40221 D?sseldorf Federal Republic of Germany +49 211 540651

May 2, 2022 EX-99.3

1

Exhibit 99.3 trivago N.V. Unaudited Condensed Consolidated Interim Financial Statements as of March 31, 2022 1 trivago N.V. Condensed consolidated statements of operations (? thousands, except per share amounts, unaudited) Three months ended March 31, 2022 2021 Revenue ? 67,708 ? 30,609 Revenue from related party 33,930 7,617 Total revenue 101,638 38,226 Costs and expenses: Cost of revenue, includ

May 2, 2022 EX-99.2

1

Exhibit 99.2 May 2, 2022 Dear Shareholders, The last few months have been deeply troubling to many of us. The invasion of Ukraine by Russia has not only brought suffering to millions of people but also led to one of the largest waves of refugees in Europe since the end of the Second World War. As millions of people are in urgent need of assistance, it made us proud to see how our employees have pi

March 21, 2022 SC 13G/A

TRVG / Trivago NV / ETF MANAGERS GROUP, LLC - AMENDMENT NO. 6 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. 6)* Trivago N.V. (Name of Issuer) Common Stock, $0.001 Par Value Per Share (Title of Class of Securities) 89686D105 (CUSIP Number) March 18, 2022 (Date of Event which Requires Filing of this Statement) Check the appropriate box to designate the rule pursuant

March 4, 2022 20-F

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington D.C. 20549 Form 20-F

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington D.C. 20549 Form 20-F ? REGISTRATION STATEMENT PURSUANT TO SECTION 12(b) OR (g) OF THE SECURITIES EXCHANGE ACT OF 1934 OR ? ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2021 OR ? TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF

March 4, 2022 EX-4.12

Form of Stock Option Summary of Award

Exhibit 4.12 TRIVAGO N.V. 2016 OMNIBUS INCENTIVE PLAN FORM OF STOCK OPTION SUMMARY OF AWARD trivago N.V., a Dutch public limited company (the ?Company?), pursuant to its 2016 Omnibus Incentive Plan, as amended from time to time (the ?Plan?), hereby grants to the individual listed below (the ?Participant?) an option to subscribe for the number of Shares set forth below (the ?Stock Option?). The Sto

March 4, 2022 EX-1.2

Amended Management Board Rules.

March 1, 2022 Exhibit 1.2 MANAGEMENT BOARD RULES TRIVAGO N.V. INTRODUCTION Article 1 1.1These rules govern the organisation, decision-making and other internal matters of the Management Board. In performing their duties, the Managing Directors shall act in compliance with these rules and the Amended and Restated Shareholders' Agreement. 1.2These rules are complementary to, and subject to, the Arti

March 4, 2022 EX-4.11

Form of Restricted Share Unit

Exhibit 4.11 TRIVAGO N.V. 2016 OMNIBUS INCENTIVE PLAN FORM OF RESTRICTED SHARE UNIT SUMMARY OF AWARD trivago N.V., a Dutch public limited company (the ?Company?), pursuant to its 2016 Omnibus Incentive Plan, as amended from time to time (the ?Plan?) hereby grants to the individual listed below (the ?Participant?), an award of a number of restricted share units listed below (the ?RSUs?). Each RSU r

March 4, 2022 EX-2.6

Description of securities registered under Section 12 of the Securities Exchange Act of 1934

Exhibit 2.6 Description of securities registered under Section 12 of the Exchange Act As of December 31, 2021, trivago N.V. (the ?company,? ?trivago,? ?we,? ?us,? and ?our?) had two classes of securities registered pursuant to Section 12(b) of the Securities Exchange Act of 1934, as amended (the ?Exchange Act?): our Class A shares and our American Depositary Shares ("ADSs"). A. Description of Clas

March 4, 2022 EX-12.1

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

Exhibit 12.1 Certification by the Chief Executive Officer Pursuant to Section 302 of the Sarbanes-Oxley Act of 2002 I, Axel Hefer, certify that: 1. I have reviewed this annual report on Form 20-F of trivago N.V. (the ?Company?); 2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in l

March 4, 2022 EX-12.2

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

Exhibit 12.2 Certification by the Chief Financial Officer Pursuant to Section 302 of the Sarbanes-Oxley Act of 2002 I, Matthias Tillmann, certify that: 1. I have reviewed this annual report on Form 20-F of trivago N.V. (the ?Company?); 2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements mad

March 4, 2022 EX-15.1

Consent of Ernst & Young GmbH Wirtschaftsprüfungsgesellschaft.

Exhibit 15.1 CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM We consent to the incorporation by reference in the following Registration Statements: (1) Registration Statement (Form F-3 No. 333-255378) of trivago N.V., (2) Registration Statement (Form S-8 No. 333-215164) pertaining to the trivago N.V. 2016 Omnibus Incentive Plan, and (3) Registration Statement (Form S-8 No. 333-258288) per

March 4, 2022 EX-13.1

Certification by Principal Executive Officer and Principal Financial Officer Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002.

Exhibit 13.1 Certification by the Chief Executive Officer and Chief Financial Officer pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002 In connection with the Annual Report on Form 20-F of trivago N.V. (the ?Company?) for the year ended December 31, 2021 as filed with the U.S. Securities and Exchange Commission on the date hereof (the ?Report?

February 23, 2022 SC 13G/A

TRVG / Trivago NV / ETF MANAGERS GROUP, LLC - AMENDMENT NO. 5 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. 5)* Trivago N.V. (Name of Issuer) Common Stock, $0.001 Par Value Per Share (Title of Class of Securities) 89686D105 (CUSIP Number) February 22, 2022 (Date of Event which Requires Filing of this Statement) Check the appropriate box to designate the rule pursu

February 16, 2022 SC 13D/A

TRVG / Trivago NV / Schroemgens Rolf - SC 13D/A Activist Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 SCHEDULE 13D Under the Securities Exchange Act of 1934 (Amendment No. 3)* trivago N.V. (Name of Issuer) Class A shares, nominal value of €0.06 per share (Title of Class of Securities) 89686D 105 (for American Depositary Shares, each representing one Class A Share) (CUSIP Number) Rolf Schrömgens Kesselstrasse 5-7 40221 Düsseldo

February 8, 2022 EX-99.1

Operating and Financial Review

Exhibit 99.1 Operating and Financial Review The following discussion should be considered together with our unaudited financial information included with this review and the periodic reports we file with the Securities and Exchange Commission, including the section contained in our Annual Report on Form 20-F for the fiscal year ended December 31, 2020, ?Item 5. Operating and Financial Review and P

February 8, 2022 EX-99.2

1

Exhibit 99.2 February 8, 2022 Dear Shareholders, 2021 is now behind us. It has been a roller coaster year. Although it has not always been easy to navigate through all these changes, we are very proud of our teams. They have remained positive and focused on solving customer problems. We have invested in upgrading our infrastructure and systems and despite a very volatile environment, have tried ou

February 8, 2022 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO SECTION 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of February, 2022 Commission File Number: 0

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO SECTION 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of February, 2022 Commission File Number: 001-37959 trivago N.V. (Exact Name of Registrant as Specified in Its Charter) Kesselstra?e 5 - 7 40221 D?sseldorf Federal Republic of Germany +49 211 5

December 6, 2021 SC 13G/A

TRVG / Trivago NV / ETF MANAGERS GROUP, LLC - AMENDMENT NO. 4 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. 4)* Trivago N.V. (Name of Issuer) Common Stock, $0.001 Par Value Per Share (Title of Class of Securities) 89686D105 (CUSIP Number) December 2, 2021 (Date of Event which Requires Filing of this Statement) Check the appropriate box to designate the rule pursua

November 1, 2021 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO SECTION 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of November, 2021 Commission File Number: 0

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO SECTION 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of November, 2021 Commission File Number: 001-37959 trivago N.V. (Exact Name of Registrant as Specified in Its Charter) Kesselstra?e 5 - 7 40221 D?sseldorf Federal Republic of Germany +49 211 5

November 1, 2021 EX-99.2

1

Exhibit 99.2 November 1, 2021 Dear shareholders, Over the last few months, significant progress has been made to mitigate the impact of the COVID-19 pandemic across many markets. Many countries have lifted restrictions on daily life and permitted the resumption of regular office work, schooling and even large events. Travel restrictions are also gradually being lifted, although more slowly than ma

November 1, 2021 EX-99.3

1

Exhibit 99.3 trivago N.V. Unaudited Condensed Consolidated Interim Financial Statements as of September 30, 2021 1 trivago N.V. Condensed consolidated statements of operations (? thousands, except per share amounts, unaudited) Three months ended September 30, Nine months ended September 30, 2021 2020 2021 2020 Revenue ? 102,801 ? 47,399 ? 208,747 ? 154,279 Revenue from related party 35,838 13,243

November 1, 2021 EX-99.1

Operating and Financial Review

Exhibit 99.1 Operating and Financial Review The following discussion should be considered together with our unaudited financial information included with this review and the periodic reports we file with the Securities and Exchange Commission, including the section contained in our Annual Report on Form 20-F for the fiscal year ended December 31, 2020, ?Item 5. Operating and Financial Review and P

October 12, 2021 SC 13G/A

TRVG / Trivago NV / ETF MANAGERS GROUP, LLC - AMENDMENT NO. 3 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. 3)* Trivago N.V. (Name of Issuer) Common Stock, $0.001 Par Value Per Share (Title of Class of Securities) 89686D105 (CUSIP Number) October 8, 2021 (Date of Event which Requires Filing of this Statement) Check the appropriate box to designate the rule pursuan

August 24, 2021 SC 13G/A

TRVG / Trivago NV / ETF MANAGERS GROUP, LLC - AMENDMENT NO. 2 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. 3)* Trivago N.V. (Name of Issuer) Common Stock, $0.001 Par Value Per Share (Title of Class of Securities) 89686D105 (CUSIP Number) August 23, 2021 (Date of Event which Requires Filing of this Statement) Check the appropriate box to designate the rule pursuan

August 17, 2021 SC 13D/A

TRVG / Trivago NV / PAR INVESTMENT PARTNERS LP - SC 13D/A Activist Investment

SC 13D/A UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13D Under the Securities Exchange Act of 1934 (Amendment No. 12)* trivago N.V. (Name of Issuer) Class A Shares, nominal value of €0.06 per share (Title of Class of Securities) 89686D105 (for American Depositary Shares, each representing one Class A Share) (CUSIP Number) PAR Investment Partners, L.P. 200 Clare

August 16, 2021 SC 13G/A

TRVG / Trivago NV / ETF MANAGERS GROUP, LLC - AMENDMENT NO. 2 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. 2)* Trivago N.V. (Name of Issuer) Common Stock, $0.001 Par Value Per Share (Title of Class of Securities) 89686D105 (CUSIP Number) August 13, 2021 (Date of Event which Requires Filing of this Statement) Check the appropriate box to designate the rule pursuan

August 4, 2021 SC 13D/A

TRVG / Trivago NV / PAR INVESTMENT PARTNERS LP - SC 13D/A Activist Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13D Under the Securities Exchange Act of 1934 (Amendment No. 11)* trivago N.V. (Name of Issuer) Class A Shares, nominal value of ?0.06 per share (Title of Class of Securities) 89686D105 (for American Depositary Shares, each representing one Class A Share) (CUSIP Number) PAR Investment Partners, L.P. 200 Clarendon Stre

July 30, 2021 S-8

As filed with the Securities and Exchange Commission on July 30, 2021

As filed with the Securities and Exchange Commission on July 30, 2021 Registration No.

July 29, 2021 EX-99.2

1

Exhibit 99.2 July 29, 2021 Dear shareholders, With the arrival of summer in the Northern Hemisphere, we have seen a long-awaited pick up in travel activity. The environment remains volatile, however, with the COVID-19 pandemic still impacting travel around the globe. Despite these most recent challenges, we are more confident that a sustainable recovery has started. Many countries have made signif

July 29, 2021 EX-99.3

1

Exhibit 99.3 trivago N.V. Unaudited Condensed Consolidated Interim Financial Statements as of June 30, 2021 1 trivago N.V. Condensed consolidated statements of operations (? thousands, except per share amounts, unaudited) Three months ended June 30, Six months ended June 30, 2021 2020 2021 2020 Revenue ? 75,337 ? 13,591 ? 105,946 ? 106,880 Revenue from related party 20,137 2,541 27,754 49,055 Tota

July 29, 2021 EX-99.1

Operating and Financial Review

Exhibit 99.1 Operating and Financial Review The following discussion should be considered together with our unaudited financial information included with this review and the periodic reports we file with the Securities and Exchange Commission, including the section contained in our Annual Report on Form 20-F for the fiscal year ended December 31, 2020, ?Item 5. Operating and Financial Review and P

July 29, 2021 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO SECTION 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of July, 2021 Commission File Number: 001-3

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO SECTION 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of July, 2021 Commission File Number: 001-37959 trivago N.V. (Exact Name of Registrant as Specified in Its Charter) Kesselstra?e 5 - 7 40221 D?sseldorf Federal Republic of Germany +49 211 54065

July 19, 2021 SC 13D/A

TRVG / Trivago NV / PAR INVESTMENT PARTNERS LP - SC 13D/A Activist Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13D Under the Securities Exchange Act of 1934 (Amendment No. 10)* trivago N.V. (Name of Issuer) Class A Shares, nominal value of ?0.06 per share (Title of Class of Securities) 89686D105 (for American Depositary Shares, each representing one Class A Share) (CUSIP Number) PAR Investment Partners, L.P. 200 Clarendon Stre

July 6, 2021 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO SECTION 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 Date of Report: July, 2021 Commission File Number: 001-37

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO SECTION 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 Date of Report: July, 2021 Commission File Number: 001-37959 trivago N.V. (Exact Name of Registrant as Specified in Its Charter) Kesselstra?e 5 - 7 40221 D?sseldorf Federal Republic of Germany +49 211 540651

July 6, 2021 EX-99.1

trivago N.V. Annual General Meeting of Shareholders June 30, 2021 - 3:30 p.m. CEST Voting Results

Exhibit 99.1 trivago N.V. Annual General Meeting of Shareholders June 30, 2021 - 3:30 p.m. CEST Voting Results Resolution For Against Abstain Adoption of the annual accounts over the financial year 2020 2,114,030,034 60,329 116,020 Appointment of the external auditor for the financial year 2021 2,114,085,789 66,226 54,368 Release of the managing directors from liability for the exercise of their d

June 7, 2021 SC 13D/A

TRVG / Trivago NV / Schroemgens Rolf - SC 13D/A Activist Investment

SC 13D/A 1 rolfschroemgens-schedule13.htm SC 13D/A UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 SCHEDULE 13D Under the Securities Exchange Act of 1934 (Amendment No. 2)* trivago N.V. (Name of Issuer) Class A shares, nominal value of €0.06 per share (Title of Class of Securities) 89686D 105 (for American Depositary Shares, each representing one Class A Share) (CUSIP Numbe

June 2, 2021 EX-99.2

CONVENING NOTICE

Exhibit 99.2 CONVENING NOTICE This is the convening notice for the annual general meeting of shareholders of trivago N.V. (the "Company") to be held on June 30, 2021 at 15:30 CEST at the Hilton Amsterdam Airport Schiphol, Schiphol Boulevard 701, 1118 BN Schiphol, the Netherlands (the "AGM"). The agenda for the AGM is as follows: 1.Opening 2.Discussion of the annual report over the financial year 2

June 2, 2021 EX-99.1

trivago N.V. Announces Annual General Meeting of Shareholders

Exhibit 99.1 trivago N.V. Announces Annual General Meeting of Shareholders trivago N.V. (NASDAQ: TRVG) announced today that its annual general meeting of shareholders will be held on June 30, 2021 at the the Hilton Amsterdam Airport Schiphol, Schiphol Boulevard 701, 1118 BN Schiphol, the Netherlands. The meeting will start at 3:30 p.m. CEST. The convening notice and explanatory notes for the gener

June 2, 2021 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO SECTION 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 Date of Report: June, 2021 Commission File Number: 001-37

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO SECTION 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 Date of Report: June, 2021 Commission File Number: 001-37959 trivago N.V. (Exact Name of Registrant as Specified in Its Charter) Kesselstra?e 5 - 7 40221 D?sseldorf Federal Republic of Germany +49 211 540651

May 27, 2021 SC 13D/A

TRVG / Trivago NV / Schroemgens Rolf - SC 13D/A Activist Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 SCHEDULE 13D Under the Securities Exchange Act of 1934 (Amendment No. 1)* trivago N.V. (Name of Issuer) Class A shares, nominal value of ?0.06 per share (Title of Class of Securities) 89686D 105 (for American Depositary Shares, each representing one Class A Share) (CUSIP Number) Rolf Schr?mgens Kesselstrasse 5-7 40221 D?sseldo

May 25, 2021 SC 13D/A

TRVG / Trivago NV / PAR INVESTMENT PARTNERS LP - SC 13D/A Activist Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13D Under the Securities Exchange Act of 1934 (Amendment No. 9)* trivago N.V. (Name of Issuer) Class A Shares, nominal value of ?0.06 per share (Title of Class of Securities) 89686D105 (for American Depositary Shares, each representing one Class A Share) (CUSIP Number) PAR Investment Partners, L.P. 200 Clarendon Stree

May 14, 2021 SC 13D/A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13D Under the Securities Exchange Act of 1934 (Amendment No. 8)* trivago N.V. (Name of Issuer) Class A Shares, nominal value of €0.06 per share (Title of Class of Securi

SC 13D/A UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13D Under the Securities Exchange Act of 1934 (Amendment No. 8)* trivago N.V. (Name of Issuer) Class A Shares, nominal value of €0.06 per share (Title of Class of Securities) 89686D105 (for American Depositary Shares, each representing one Class A Share) (CUSIP Number) PAR Investment Partners, L.P. 200 Claren

May 3, 2021 EX-99.3

Three month ended March 31, 2020

EX-99.3 4 exhibit993q1x2021financia.htm EX-99.3 Exhibit 99.3 trivago N.V. Unaudited Condensed Consolidated Interim Financial Statements as of March 31, 2021 1 trivago N.V. Condensed consolidated statements of operations (€ thousands, except per share amounts, unaudited) Three months ended March 31, 2021 2020 Revenue € 30,609 € 93,289 Revenue from related party 7,617 46,514 Total revenue 38,226 139

May 3, 2021 EX-99.1

Operating and Financial Review

Exhibit 99.1 Operating and Financial Review The following discussion should be considered together with our unaudited financial information included with this review and the periodic reports we file with the Securities and Exchange Commission, including the section contained in our Annual Report on Form 20-F for the fiscal year ended December 31, 2020, ?Item 5. Operating and Financial Review and P

May 3, 2021 6-K

Current Report of Foreign Issuer - 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO SECTION 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 Date of Report: May, 2021 Commission File Number: 001-37959 trivago N.V. (Exact Name of Registrant as Specified in Its Charter) Kesselstra?e 5 - 7 40221 D?sseldorf Federal Republic of Germany +49 211 5406511

May 3, 2021 EX-99.2

1

Exhibit 99.2 May 3, 2021 Dear shareholders, During the past few weeks, we have seen how strong the desire is to travel once it is possible and considered safe again. The US and Israel, in particular, are making good progress with their COVID-19 vaccination roll out programs, and in both countries, travel activities have recently picked up considerably. We also expect travel demand to gradually beg

May 3, 2021 EX-1.1

Morgan Stanley & Co. LLC

Execution Version trivago N.V. American Depositary Shares representing Class A shares, with a nominal value of ?0.06 per share EQUITY DISTRIBUTION AGREEMENT May 3, 2021 Execution Version May 3, 2021 To Morgan Stanley & Co. LLC 1585 Broadway New York, New York 10036 Ladies and Gentlemen: trivago N.V., a Dutch public limited company (naamloze vennootschap) (the ?Company?), proposes to issue and sell

May 3, 2021 424B5

Up to $75,000,000 American Depositary Shares Representing Class A Shares

Filed Pursuant to Rule 424(b)(5) Registration No. 333-255378 PROSPECTUS SUPPLEMENT (To Prospectus dated April 30, 2021) Up to $75,000,000 American Depositary Shares Representing Class A Shares We have entered into an equity distribution agreement, or Distribution Agreement, with Morgan Stanley & Co. LLC, or Morgan Stanley, relating to the American Depositary Shares, or ADSs, representing our Class

May 3, 2021 6-K

Current Report of Foreign Issuer - 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO SECTION 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of May, 2021 Commission File Number: 001-37959 trivago N.V. (Exact Name of Registrant as Specified in Its Charter) Kesselstra?e 5 - 7 40221 D?sseldorf Federal Republic of Germany +49 211 540651

April 28, 2021 CORRESP

trivago N.V.

trivago N.V. Kesselstra?e 5 - 7 40221 D?sseldorf Federal Republic of Germany www.trivago.com April 28, 2021 Via EDGAR Transmission Division of Corporation Finance Securities and Exchange Commission 100 F St., N.E. Washington, D.C. 20549 Re: trivago N.V. Registration Statement on Form F-3 Initially filed on April 20, 2021 File No: 333-255378 Ladies and Gentlemen: Pursuant to Rule 461 the General Ru

April 27, 2021 F-3/A

- F-3/A

As filed with the Securities and Exchange Commission on April 27, 2021 Registration No.

April 20, 2021 F-3

- F-3

As filed with the Securities and Exchange Commission on April 20, 2021 Registration No.

April 14, 2021 SC 13D/A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13D Under the Securities Exchange Act of 1934 (Amendment No. 7)* trivago N.V. (Name of Issuer) Class A Shares, nominal value of €0.06 per share (Title of Class of Securi

SC 13D/A UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13D Under the Securities Exchange Act of 1934 (Amendment No. 7)* trivago N.V. (Name of Issuer) Class A Shares, nominal value of €0.06 per share (Title of Class of Securities) 89686D105 (for American Depositary Shares, each representing one Class A Share) (CUSIP Number) PAR Investment Partners, L.P. 200 Claren

April 1, 2021 SC 13D/A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 SCHEDULE 13D Under the Securities Exchange Act of 1934 (Amendment No. 10)* trivago N.V. (Name of Issuer) Class A shares, nominal value of €0.06 per share (Title of Class of Securities) 89686D 105 (for American Depositary Shares, each representing one Class A Share) (CUSIP Number) Peter Vinnemeier Kesselstraße 5-7 40221 Düsseld

March 26, 2021 SC 13D/A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13D Under the Securities Exchange Act of 1934 (Amendment No. 6)* trivago N.V. (Name of Issuer) Class A Shares, nominal value of €0.06 per share (Title of Class of Securi

SC 13D/A UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13D Under the Securities Exchange Act of 1934 (Amendment No. 6)* trivago N.V. (Name of Issuer) Class A Shares, nominal value of €0.06 per share (Title of Class of Securities) 89686D105 (for American Depositary Shares, each representing one Class A Share) (CUSIP Number) PAR Investment Partners, L.P. 200 Claren

March 11, 2021 SC 13D/A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 SCHEDULE 13D Under the Securities Exchange Act of 1934 (Amendment No. 9)* trivago N.V. (Name of Issuer) Class A shares, nominal value of €0.06 per share (Title of Class of Securi

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 SCHEDULE 13D Under the Securities Exchange Act of 1934 (Amendment No. 9)* trivago N.V. (Name of Issuer) Class A shares, nominal value of €0.06 per share (Title of Class of Securities) 89686D 105 (for American Depositary Shares, each representing one Class A Share) (CUSIP Number) Peter Vinnemeier Kesselstraße 5-7 40221 Düsseldo

March 5, 2021 EX-13.1

Certification by Principal Executive Officer and Principal Financial Officer Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002.

Exhibit 13.1 Certification by the Chief Executive Officer and Chief Financial Officer pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002 In connection with the Annual Report on Form 20-F of trivago N.V. (the ?Company?) for the year ended December 31, 2019 as filed with the U.S. Securities and Exchange Commission on the date hereof (the ?Report?

March 5, 2021 EX-4.7

Form of 2020 CAGR Performance Stock Option Award Agreement.

Exhibit 4.7 TRIVAGO N.V. 2016 OMNIBUS INCENTIVE PLAN PERFORMANCE STOCK OPTION SUMMARY OF AWARD trivago N.V., a Dutch public limited company (the “Company”), pursuant to its 2016 Omnibus Incentive Plan, as amended from time to time (the “Plan”), hereby grants to the individual listed below (the “Participant”) an option to subscribe for the number of Shares set forth below (the “Performance Stock Op

March 5, 2021 EX-4.8

Form of 2020 Stock Price Performance Stock Option Award Agreement.

EX-4.8 6 exhibit48formof2020stockpr.htm EX-4.8 Exhibit 4.8 TRIVAGO N.V. 2016 OMNIBUS INCENTIVE PLAN PERFORMANCE STOCK OPTION SUMMARY OF AWARD trivago N.V., a Dutch public limited company (the “Company”), pursuant to its 2016 Omnibus Incentive Plan, as amended from time to time (the “Plan”), hereby grants to the individual listed below (the “Participant”) an option to subscribe for the number of Sh

March 5, 2021 EX-12.1

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

Exhibit 12.1 Certification by the Chief Executive Officer Pursuant to Section 302 of the Sarbanes-Oxley Act of 2002 I, Axel Hefer, certify that: 1. I have reviewed this annual report on Form 20-F of trivago N.V. (the ?Company?); 2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in l

March 5, 2021 EX-15.1

Consent of Ernst & Young GmbH Wirtschaftsprüfungsgesellschaft.

Exhibit 15.1 CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM We consent to the incorporation by reference in the following Registration Statements: (1) Registration Statement (Form F-3 No. 333-224151) of trivago N.V., and (2) Registration Statement (Form S-8 No. 333-215164) pertaining to the trivago N.V. 2016 Omnibus Incentive Plan; of our reports dated March 5, 2021, with respect to the

March 5, 2021 EX-4.7.1

Form of Amended and Restated 2020 CAGR Performance Stock Option Award Summary.

EX-4.7.1 10 exhibit471formofamendedand.htm EX-4.7.1 Exhibit 4.7.1 TRIVAGO N.V. 2016 OMNIBUS INCENTIVE PLAN AMENDED AND RESTATED PERFORMANCE STOCK OPTION SUMMARY OF AWARD trivago N.V., a Dutch public limited company (the “Company”), pursuant to its 2016 Omnibus Incentive Plan, as amended from time to time (the “Plan”), hereby grants to the individual listed below (the “Participant”) an option to su

March 5, 2021 EX-4.10

Form of 2020 Stock Price Performance Stock Unit Award Agreement.

Exhibit 4.10 TRIVAGO N.V. 2016 OMNIBUS INCENTIVE PLAN PERFORMANCE RESTRICTED SHARE UNIT SUMMARY OF AWARD trivago N.V., a Dutch public limited company (the ?Company?), pursuant to its 2016 Omnibus Incentive Plan, as amended from time to time (the ?Plan?) hereby grants to the individual listed below (the ?Participant?), an award of a number of performance restricted share units listed below (the ?PS

March 5, 2021 EX-4.9

Form of 2020 CAGR Performance Stock Unit Award Agreement.

EX-4.9 7 exhibit49formof2020cagrper.htm EX-4.9 Exhibit 4.9 TRIVAGO N.V. 2016 OMNIBUS INCENTIVE PLAN PERFORMANCE RESTRICTED SHARE UNIT SUMMARY OF AWARD trivago N.V., a Dutch public limited company (the “Company”), pursuant to its 2016 Omnibus Incentive Plan, as amended from time to time (the “Plan”) hereby grants to the individual listed below (the “Participant”), an award of a number of performanc

March 5, 2021 EX-12.2

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

Exhibit 12.2 Certification by the Chief Financial Officer Pursuant to Section 302 of the Sarbanes-Oxley Act of 2002 I, Matthias Tillmann, certify that: 1. I have reviewed this annual report on Form 20-F of trivago N.V. (the ?Company?); 2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements mad

March 5, 2021 20-F

- 20-F

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington D.C. 20549 Form 20-F ? REGISTRATION STATEMENT PURSUANT TO SECTION 12(b) OR (g) OF THE SECURITIES EXCHANGE ACT OF 1934 OR ? ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2020 OR ? TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF

March 5, 2021 EX-4.9.1

Form of Amended and Restated 2020 CAGR Performance Stock Unit Award Summary.

EX-4.9.1 12 exhibit491formofamendedand.htm EX-4.9.1 Exhibit 4.9.1 TRIVAGO N.V. 2016 OMNIBUS INCENTIVE PLAN AMENDED AND RESTATED PERFORMANCE RESTRICTED SHARE UNIT SUMMARY OF AWARD trivago N.V., a Dutch public limited company (the “Company”), pursuant to its 2016 Omnibus Incentive Plan, as amended from time to time (the “Plan”) hereby grants to the individual listed below (the “Participant”), an awa

March 5, 2021 EX-4.8.1

Form of Amended and Restated 2020 Stock Price Performance Stock Option Award Summary.

Exhibit 4.8.1 TRIVAGO N.V. 2016 OMNIBUS INCENTIVE PLAN AMENDED AND RESTATED PERFORMANCE STOCK OPTION SUMMARY OF AWARD trivago N.V., a Dutch public limited company (the “Company”), pursuant to its 2016 Omnibus Incentive Plan, as amended from time to time (the “Plan”), hereby grants to the individual listed below (the “Participant”) an option to subscribe for the number of Shares set forth below (th

March 5, 2021 EX-4.2.1

English translation of the Amendment to the Lease Agreement between Immofinanz GmbH (formerly known as Jupiter EINHUNDERTVIERUNDFÜNFZIG GmbH) and trivago N.V., dated December 31, 2020.

Exhibit 4.2.1 [translation from German] 12th Addendum to the Rental Agreement dated 23.07.2015 between the Immofinanz Medienhafen GmbH, Von-Werth-Stra?e 1, 50670 Cologne, represented by its managing directors, Mr. Peter Hempel and Mrs. Julia Siegers, - hereinafter referred to as Landlord - and the trivago N.V., Kesselstra?e 5-7, 40221 D?sseldorf, represented by its managing director with sole powe

March 5, 2021 EX-4.6

Form of Indemnification Agreement for supervisory board, management board and certain other officers.

EX-4.6 4 exhibit46formofindemnifica.htm EX-4.6 Exhibit 4.6 INDEMNIFICATION AGREEMENT This Agreement is made AND ENTERED INTO AS OF [DATE] between 1.trivago N.V., a public limited liability company (naamloze vennootschap) organized under the laws of the Netherlands, having its corporate seat at Amsterdam and its address at Kesselstrasse 5 – 7, 40221 Düsseldorf, Germany, registered with the trade re

March 5, 2021 EX-4.5

Amended and Restated trivago N.V. 2016 Omnibus Incentive Plan.

EX-4.5 3 exhibit452016omnibusincent.htm EX-4.5 Exhibit 4.5 TRIVAGO N.V. AMENDED AND RESTATED 2016 OMNIBUS INCENTIVE PLAN Section 1. PURPOSE; DEFINITIONS The purposes of this Plan are to give the Company a competitive advantage in attracting, retaining and motivating officers, employees, directors and/or consultants and to provide the Company and its Subsidiaries and Affiliates with a share and inc

March 5, 2021 EX-4.10.1

Form of Amended and Restated 2020 Stock Price Performance Stock Unit Award Summary

EX-4.10.1 13 exhibit4101formofamendedan.htm EX-4.10.1 Exhibit 4.10.1 TRIVAGO N.V. 2016 OMNIBUS INCENTIVE PLAN AMENDED AND RESTATED PERFORMANCE RESTRICTED SHARE UNIT SUMMARY OF AWARD trivago N.V., a Dutch public limited company (the “Company”), pursuant to its 2016 Omnibus Incentive Plan, as amended from time to time (the “Plan”) hereby grants to the individual listed below (the “Participant”), an

March 5, 2021 EX-2.6

Description of securities registered under Section 12 of the Securities Exchange Act of 1934

EX-2.6 2 exhibit26descriptionofsecu.htm EX-2.6 Exhibit 2.6 Description of securities registered under Section 12 of the Exchange Act As of December 31, 2020, trivago N.V. (the “company,” “trivago,” “we,” “us,” and “our”) had two classes of securities registered pursuant to Section 12(b) of the Securities Exchange Act of 1934, as amended (the “Exchange Act”): our Class A shares and our American Dep

March 4, 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. 1)*

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. 1)* Trivago N.V. (Name of Issuer) Common Stock, $0.001 Par Value Per Share (Title of Class of Securities) 89686D105 (CUSIP Number) March 3, 2021 (Date of Event which Requires Filing of this Statement) Check the appropriate box to designate the rule pursuant

March 1, 2021 SC 13G

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. ___)*

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. )* Trivago N.V. (Name of Issuer) Common Stock, $0.001 Par Value Per Share (Title of Class of Securities) 89686D105 (CUSIP Number) February 23, 2021 (Date of Event which Requires Filing of this Statement) Check the appropriate box to designate the rule pursua

February 26, 2021 SC 13D/A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13D Under the Securities Exchange Act of 1934 (Amendment No. 5)* trivago N.V. (Name of Issuer) Class A Shares, nominal value of €0.06 per share (Title of Class of Securi

SC 13D/A UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13D Under the Securities Exchange Act of 1934 (Amendment No. 5)* trivago N.V. (Name of Issuer) Class A Shares, nominal value of €0.06 per share (Title of Class of Securities) 89686D105 (for American Depositary Shares, each representing one Class A Share) (CUSIP Number) PAR Investment Partners, L.P. 200 Claren

February 10, 2021 SC 13D/A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13D Under the Securities Exchange Act of 1934 (Amendment No. 4)* trivago N.V. (Name of Issuer) Class A Shares, nominal value of €0.06 per share (Title of Class of Securi

SC 13D/A UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13D Under the Securities Exchange Act of 1934 (Amendment No. 4)* trivago N.V. (Name of Issuer) Class A Shares, nominal value of €0.06 per share (Title of Class of Securities) 89686D105 (for American Depositary Shares, each representing one Class A Share) (CUSIP Number) PAR Investment Partners, L.P. 200 Claren

February 9, 2021 6-K

Current Report of Foreign Issuer - 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO SECTION 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of February, 2021 Commission File Number: 001-37959 trivago N.V. (Exact Name of Registrant as Specified in Its Charter) Kesselstra?e 5 - 7 40221 D?sseldorf Federal Republic of Germany +49 211 5

February 9, 2021 EX-99.1

Operating and Financial Review

EX-99.1 2 exhibit991q4x2020.htm EX-99.1 Exhibit 99.1 Operating and Financial Review The following discussion should be considered together with our unaudited financial information included with this review and the periodic reports we file with the Securities and Exchange Commission, including the section contained in our Annual Report on Form 20-F for the fiscal year ended December 31, 2019, “Item

February 9, 2021 EX-99.2

1

EX-99.2 3 exhibit992lettertosharehol.htm EX-99.2 Exhibit 99.2 February 9, 2021 Dear shareholders, We are writing to you at a challenging moment of the COVID-19 pandemic. The second wave has hit many countries hard, and the death toll has risen sharply. New variants of the virus have emerged that tend to spread faster and are more transmissible or infectious. Measures to contain the virus, includin

February 3, 2021 SC 13D/A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13D Under the Securities Exchange Act of 1934 (Amendment No. 3)* trivago N.V. (Name of Issuer) Class A Shares, nominal value of €0.06 per share (Title of Class of Securi

SC 13D/A UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13D Under the Securities Exchange Act of 1934 (Amendment No. 3)* trivago N.V. (Name of Issuer) Class A Shares, nominal value of €0.06 per share (Title of Class of Securities) 89686D105 (for American Depositary Shares, each representing one Class A Share) (CUSIP Number) PAR Investment Partners, L.P. 200 Claren

January 29, 2021 SC 13D/A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13D Under the Securities Exchange Act of 1934 (Amendment No. 2)* trivago N.V. (Name of Issuer) Class A Shares, nominal value of €0.06 per share (Title of Class of Securi

SC 13D/A UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13D Under the Securities Exchange Act of 1934 (Amendment No. 2)* trivago N.V. (Name of Issuer) Class A Shares, nominal value of €0.06 per share (Title of Class of Securities) 89686D105 (for American Depositary Shares, each representing one Class A Share) (CUSIP Number) PAR Investment Partners, L.P. 200 Claren

January 11, 2021 SC 13G/A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 SCHEDULE 13G (Amendment No. 1) (Rule 13d-102) INFORMATION TO BE INCLUDED IN STATEMENTS FILED PURSUANT TO RULES 13d-1(b), (c) AND (d) AND AMENDMENTS THERETO FILED PURSUANT TO RULE 1

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 SCHEDULE 13G (Amendment No.

November 25, 2020 SC 13G/A

TRVG / Trivago NV / Altimeter Capital Management, LP - SC 13G/A Passive Investment

SC 13G/A 1 tm2037092d2sc13ga.htm SC 13G/A UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. 3) trivago N.V. (Name of Issuer) Class A Shares, nominal value of €0.06 per share (Title of Class of Securities) 89686D105 (for American Depositary Shares, each representing one Class A Share) (CUSIP Number) Altimete

November 25, 2020 EX-99.1

JOINT FILING AGREEMENT

EXHIBIT I JOINT FILING AGREEMENT This Joint Filing Agreement dated November 25th, 2020 is by and among Altimeter Capital Management General Partner LLC, a Delaware limited liability company, Altimeter Capital Management, LP, a Delaware limited partnership, Altimeter General Partner, LLC, a Delaware limited liability company, Altimeter Partners Fund, L.

November 24, 2020 SC 13D/A

TRVG / Trivago NV / Vinnemeier Peter - AMENDMENT NO. 8 TO SCHEDULE 13D Activist Investment

SC 13D/A 1 ea130514-13da8vinnemeiertri.htm AMENDMENT NO. 8 TO SCHEDULE 13D UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 SCHEDULE 13D Under the Securities Exchange Act of 1934 (Amendment No. 8)* trivago N.V. (Name of Issuer) Class A shares, nominal value of €0.06 per share (Title of Class of Securities) 89686D 105 (for American Depositary Shares, each representing one Cla

November 2, 2020 6-K

Current Report of Foreign Issuer - 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO SECTION 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of November, 2020 Commission File Number: 001-37959 trivago N.V. (Exact Name of Registrant as Specified in Its Charter) Kesselstra?e 5 - 7 40221 D?sseldorf Federal Republic of Germany +49 211 5

November 2, 2020 EX-99.1

Operating and Financial Review

Exhibit 99.1 Operating and Financial Review The following discussion should be considered together with our unaudited financial information included with this review and the periodic reports we file with the Securities and Exchange Commission, including the section contained in our Annual Report on Form 20-F for the fiscal year ended December 31, 2019, “Item 5. Operating and Financial Review and P

November 2, 2020 EX-99.2

1

EX-99.2 3 exhibit992lettertoshar.htm EX-99.2 Exhibit 99.2 November 2, 2020 Dear shareholders, A very dramatic and eventful year is coming to an end. After the easing of lockdown restrictions imposed in our main markets, we saw a seasonal increase in summer travel that was stronger than expected and was predominantly driven by trips to nearby nature destinations. However, with the return of the col

October 29, 2020 SC 13D/A

TRVG / Trivago NV / Vinnemeier Peter - SC 13D/A Activist Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 SCHEDULE 13D Under the Securities Exchange Act of 1934 (Amendment No. 7)* trivago N.V. (Name of Issuer) Class A shares, nominal value of €0.06 per share (Title of Class of Securities) 89686D 105 (for American Depositary Shares, each representing one Class A Share) (CUSIP Number) Peter Vinnemeier Kesselstraße 5-7 40221 Düsseldo

July 28, 2020 EX-99.2

1

Exhibit 99.2 July 28, 2020 Dear shareholders, The summer in the northern hemisphere has arrived and with it a slow return of travel activity and an easing of mobility restrictions in many of our core markets. Germany, certain U.S. states and New Zealand were among the first markets to show recovery, with other markets and regions starting to follow subsequent to their governments having announced

July 28, 2020 6-K

Current Report of Foreign Issuer - 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO SECTION 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of July, 2020 Commission File Number: 001-37959 trivago N.V. (Exact Name of Registrant as Specified in Its Charter) Kesselstra?e 5 - 7 40221 D?sseldorf Federal Republic of Germany +49 211 54065

July 28, 2020 EX-99.1

Operating and Financial Review

Exhibit 99.1 Operating and Financial Review The following discussion should be considered together with our unaudited financial information included with this review and the periodic reports we file with the Securities and Exchange Commission, including the section contained in our Annual Report on Form 20-F for the fiscal year ended December 31, 2019, “Item 5. Operating and Financial Review and P

July 28, 2020 SC 13D/A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 SCHEDULE 13D Under the Securities Exchange Act of 1934 (Amendment No. 6)* trivago N.V. (Name of Issuer) Class A shares, nominal value of ?0.06 per share (Title of Class of Securities) 89686D 105 (for American Depositary Shares, each representing one Class A Share) (CUSIP Number) Peter Vinnemeier Kesselstra?e 5-7 40221 D?sseldo

July 6, 2020 EX-99.1

trivago N.V. Annual General Meeting of Shareholders June 30, 2020 - 3:00 p.m. CEST Voting Results

trivago N.V. Annual General Meeting of Shareholders June 30, 2020 - 3:00 p.m. CEST Voting Results Resolution For Against Abstain Adoption of the annual accounts over the financial year 2019 2,115,598,429 44,470 171,039 Appointment of the external auditor for the financial year 2020 2,115,704,240 28,754 80,944 Release of the managing directors from liability for the exercise of their duties during

July 6, 2020 6-K

Current Report of Foreign Issuer - 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO SECTION 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 Date of Report: July, 2020 Commission File Number: 001-37959 trivago N.V. (Exact Name of Registrant as Specified in Its Charter) Kesselstra?e 5 - 7 40221 D?sseldorf Federal Republic of Germany +49 211 540651

June 12, 2020 EX-99.9

SALES PLAN

EX-99.9 2 exhibit999trvg10b5-1xvinn.htm EX-99.9 Exhibit 99.9 SALES PLAN SALES PLAN, dated as of the date set forth on the signature page (the “Sales Plan”), among Peter Vinnemeier (the “Seller”), and Goldman Sachs International, a company incorporated in England (together with its successors and permitted assigns, “GSI”). WHEREAS, the Seller desires to establish the Sales Plan to sell ordinary sha

June 12, 2020 SC 13D/A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 SCHEDULE 13D Under the Securities Exchange Act of 1934 (Amendment No. 5)* trivago N.V. (Name of Issuer) Class A shares, nominal value of ?0.06 per share (Title of Class of Securities) 89686D 105 (for American Depositary Shares, each representing one Class A Share) (CUSIP Number) Peter Vinnemeier Kesselstra?e 5-7 40221 D?sseldo

May 28, 2020 EX-99.2

CONVENING NOTICE

Exhibit 99.2 CONVENING NOTICE This is the convening notice for the annual general meeting of shareholders of trivago N.V. (the "Company") to be held on June 30, 2020 at 15:00 CEST at the offices of NautaDutilh N.V., Beethovenstraat 400, 1082 PR Amsterdam, the Netherlands (the "AGM"). The agenda for the AGM is as follows: 1.Opening 2.Discussion of the annual report over the financial year 2019 (dis

May 28, 2020 6-K

Current Report of Foreign Issuer - 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO SECTION 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 Date of Report: May, 2020 Commission File Number: 001-37959 trivago N.V. (Exact Name of Registrant as Specified in Its Charter) Kesselstra?e 5 - 7 40221 D?sseldorf Federal Republic of Germany +49 211 5406511

May 28, 2020 EX-99.1

trivago N.V. announces annual general meeting of shareholders

Exhibit 99.1 trivago N.V. announces annual general meeting of shareholders DÜSSELDORF, GERMANY - May 27, 2020 - trivago N.V. (NASDAQ: TRVG) announced today that its annual general meeting of shareholders will be held on June 30, 2020 at the offices of NautaDutilh N.V., Beethovenstraat 400, 1082 PR Amsterdam, the Netherlands. The meeting will start at 3:00 p.m. CEST. The convening notice and explan

May 18, 2020 EX-99.2

1

Exhibit 99.2 May 18, 2020 Dear shareholders, As outlined in our letter from April 27, 2020, the COVID-19 outbreak is having a significant negative impact on our business in all our segments, and in response, we have taken a number of steps to maintain our cash liquidity and relationships with our advertisers. At this point in time, it is still uncertain what exactly the impact of COVID-19 will hav

May 18, 2020 EX-99.1

Operating and Financial Review

Exhibit 99.1 Operating and Financial Review The following discussion should be considered together with our unaudited financial information included with this review and the periodic reports we file with the Securities and Exchange Commission, including the section contained in our Annual Report on Form 20-F for the fiscal year ended December 31, 2019, “Item 5. Operating and Financial Review and P

May 18, 2020 6-K

Current Report of Foreign Issuer - 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO SECTION 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of May, 2020 Commission File Number: 001-37959 trivago N.V. (Exact Name of Registrant as Specified in Its Charter) Kesselstraße 5 - 7 40221 Düsseldorf Federal Republic of Germany +49 211 540651

April 27, 2020 6-K

Current Report of Foreign Issuer - 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO SECTION 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 Date of Report: April, 2020 Commission File Number: 001-37959 trivago N.V. (Exact Name of Registrant as Specified in Its Charter) Kesselstra?e 5 - 7 40221 D?sseldorf Federal Republic of Germany +49 211 54065

April 27, 2020 EX-99.1

Dear shareholders,

Exhibit 99.1 April 27, 2020 Dear shareholders, The past few months have shown to us how vulnerable our societies and economies are to a global pandemic. The outbreak of a novel strain of coronavirus has caused thousands of deaths and resulted in millions infected. In these challenging circumstances, our first focus has been to protect our employees and customers. As we prepare for the point in tim

March 6, 2020 20-F

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington D.C. 20549 Form 20-F

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington D.C. 20549 Form 20-F o REGISTRATION STATEMENT PURSUANT TO SECTION 12(b) OR (g) OF THE SECURITIES EXCHANGE ACT OF 1934 OR x 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 o TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF

March 6, 2020 EX-2.6

Description of securities registered under Section 12 of the Securities Exchange Act of 1934

Exhibit 2.6 Description of securities registered under Section 12 of the Exchange Act As of December 31, 2019, trivago N.V. (the ?company,? ?trivago,? ?we,? ?us,? and ?our?) had two classes of securities registered pursuant to Section 12(b) of the Securities Exchange Act of 1934, as amended (the ?Exchange Act?): our Class A shares and our American Depositary Shares ("ADSs"). A. Description of Clas

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