Sec Form 4 Filing - Katz Gidon @ ROKU, INC - 2023-09-01

FORM 4 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 Katz Gidon 2. Issuer Name and Ticker or Trading Symbol ROKU, INC [ ROKU] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) _____ Director _____ 10% Owner X __ Officer (give title below) _____ Other (specify below) President, Consumer Experience (Last) (First) (Middle) C/O ROKU, INC., 1155 COLEMAN AVE. 3. Date of Earliest Transaction (MM/DD/YY) 09/01/2023 (Street) SAN JOSE, CA95110 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 Class A Common Stock 09/01/2023 M 7,907 A $ 0 28,685 D Class A Common Stock 09/05/2023 S 4,145 ( 1 ) D $ 82.69 24,540 D

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 Restricted Stock Unit ( 2 ) 09/01/2023 M 3,344 ( 3 ) ( 3 ) Class A Common Stock 3,344 $ 0 33,440 D Restricted Stock Unit ( 2 ) 09/01/2023 M 4,563 ( 4 ) ( 4 ) Class A Common Stock 4,563 $ 0 4,563 D

Reporting Owners Reporting Owner Name / Address Relationships Director 10% Owner Officer Other Katz Gidon C/O ROKU, INC. 1155 COLEMAN AVE. SAN JOSE, CA95110 President, Consumer Experience Signatures /s/ Renee Strandness, attorney-in-fact 09/06/2023 Signature of Reporting Person Date

Explanation of Responses:

( 1 )These shares were sold by the Issuer in order to meet the tax withholding obligations of the reporting person in connection with the vesting of certain RSU awards on September 1, 2023. ( 2 )Each RSU represents a contingent right to receive one share of Class A Common Stock of the Issuer. ( 3 )This RSU vests in sixteen substantially equal quarterly installments. The first installment vested on June 1, 2022. ( 4 )This RSU vests in six substantially equal quarterly installments. The first installment vested on September 1, 2022.

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.

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

** Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).

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