Sec Form 3 Filing - Vidal Dominique @ Outbrain Inc. - 2021-07-22

FORM 3 Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940

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1. Name and Address of Reporting Person Vidal Dominique 2. Issuer Name and Ticker or Trading Symbol Outbrain Inc. [ OB] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) X __ Director _____ 10% Owner _____ Officer (give title below) _____ Other (specify below) (Last) (First) (Middle) 44 ESPLANADE, 5TH FLOOR 3. Date of Earliest Transaction (MM/DD/YY) 07/22/2021 (Street) ST. HELIER, JERSEY, Y9JE1 3FG 4. If Amendment, Date Original Filed (MM/DD/YY) 6. Individual or Joint/Group Filing (Check Applicable Line) __ X __ Form filed by One Reporting Person _____ Form filed by More than One Reporting Person (City) (State) (Zip)

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned 1.Title of Security (Instr. 3) 2. Transaction Date (MM/DD/YY) 2A. Deemed Execution Date, if any (MM/DD/YY) 3. Transaction Code (Instr. 8) 4. Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5) 5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4) 6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4) Code V Amount (A) or (D) Price Common Stock 377,310 I See footnote ( 1 ) ( 2 )

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned ( e.g. , puts, calls, warrants, options, convertible securities) 1. Title of Derivative Security (Instr. 3) 2. Conversion or Exercise Price of Derivative Security 3. Transaction Date (MM/DD/YY) 3A. Deemed Execution Date, if any (MM/DD/YY) 4. Transaction Code (Instr. 8) 5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4, and 5) 6. Date Exercisable and Expiration Date (MM/DD/YY) 7. Title and Amount of Underlying Securities (Instr. 3 and 4) 8. Price of Derivative Security (Instr. 5) 9. Number of Derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4) 10. Ownership Form of Derivative Security: Direct (D) or Indirect (I) (Instr. 4) 11. Nature of Indirect Beneficial Ownership (Instr. 4) Code V (A) (D) Date Exercisable Expiration Date Title Amount or Number of Shares Series A Preferred Stock ( 3 ) ( 3 ) ( 3 ) ( 3 ) Common Stock 162,554 I See footnote ( 2 ) ( 3 ) Series D Preferred Stock ( 3 ) ( 3 ) ( 3 ) ( 3 ) Common Stock 1,702,718 I See footnote ( 2 ) ( 3 ) Series F Preferred Stock ( 3 ) ( 3 ) ( 3 ) ( 3 ) Common Stock 173,205 I See footnote ( 2 ) ( 3 )

Reporting Owners Reporting Owner Name / Address Relationships Director 10% Owner Officer Other Vidal Dominique 44 ESPLANADE, 5TH FLOOR ST. HELIER, JERSEY, Y9JE1 3FG X Signatures /s/ Dominique Vidal 07/22/2021 Signature of Reporting Person Date

Explanation of Responses:

( 1 )The shares are held directly by Index Ventures Growth II (Jersey) L.P. ("Index Jersey"), Index Ventures Growth II Parallel Entrepreneur Fund (Jersey) L.P. ("Index PEF") and Yucca (Jersey) S.L.P. ("Yucca") (together with Index Jersey and Index PEF the "Index Entities"). Index Venture Growth Associates II Limited ("Index Associates") is the managing general partner of Index Jersey and Index PEF and may be deemed to have voting and dispositive power over the shares held by Index Jersey and Index PEF. Yucca is the administrator of the Index co-investment vehicles that are contractually required to mirror the relevant Index funds' investment, and Index Associates may be deemed to have voting and dispositive power over the shares held by Yucca. ( 2 )The reporting person serves as a partner of Index Ventures (UK) LLP which advises Index Jersey and Index PEF but does not have voting, investment or dipositive power with respect to the shares held by these entities. The reporting person therefore disclaims beneficial ownership of these shares. ( 3 )These shares of Series A, Series D and Series F Preferred Stock will convert to Common Stock at the ratio specified in the company's Eleventh Amended and Restated Certificate of Incorporation, which is included as Exhibit 3.3 to the company's Registration Statement on Form S-1, as amended (File No. 333-257525), in connection with the consummation of the company's initial public offering.

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* If the form is filed by more than one reporting person, see Instruction 4(b)(v).

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