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 OF SECURITIES
                                                                                  
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Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934 or Section 30(h) of the Investment Company Act of 1940
                      
1. Name and Address of Reporting Person * Rosenberg Scott A. 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)
GM, Sr. VP Platform Business
(Last)         (First)         (Middle)
1155 COLEMAN AVE,
3. Date of Earliest Transaction (MM/DD/YYYY)
5/24/2021
(Street)
SAN JOSE, CA 95110
(City)       (State)       (Zip)
4. If Amendment, Date Original Filed (MM/DD/YYYY)
 
6. Individual or Joint/Group Filing (Check Applicable Line) _X _ Form filed by One Reporting Person
___ Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1.Title of Security
(Instr. 3)
2. Trans. Date 2A. Deemed Execution Date, if any 3. Trans. 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  5/24/2021    C    3633  A $5.64  61814  D   
Class A Common Stock  5/24/2021    C    15000  A $5.64  76814  D   
Class A Common Stock  5/24/2021    C    3700  A $5.64  80514  D   
Class A Common Stock  5/24/2021    S    3499.0 (1) D $332.8015 (2) 77015.0  D   
Class A Common Stock  5/24/2021    S    4156 (1) D $334.2036 (3) 72859  D   
Class A Common Stock  5/24/2021    S    13790 (1) D $335.3006 (4) 59069  D   
Class A Common Stock  5/24/2021    S    888 (1) D $335.9877 (5) 58181  D   

Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivate Security
(Instr. 3)
2. Conversion or Exercise Price of Derivative Security 3. Trans. Date 3A. Deemed Execution Date, if any 4. Trans. 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 7. Title and Amount of Securities Underlying Derivative Security
(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
Employee Stock Option (Right to Buy)  $5.64  5/24/2021    M        3633    (6) 11/7/2026  Class B Common Stock  3633  $5.64  0  D   
Class B Common Stock  $5.64  5/24/2021    M     3633       (7) 11/7/2026  Class A Common Stock  3633  $5.64  0  D   
Class B Common Stock  $5.64  5/24/2021    C        3633    (7) 11/7/2026  Class A Common Stock  0  $5.64  0  D   
Employee Stock Option (Right to Buy)  $5.64  5/24/2021    M        15000    (6) 11/14/2026  Class B Common Stock  15000  $5.64  30020  D   
Class B Common Stock  $5.64  5/24/2021    M     15000       (7) 11/14/2026  Class A Common Stock  15000  $5.64  0  D   
Class B Common Stock  $5.64  5/24/2021    C        15000    (7) 11/14/2026  Class A Common Stock  0  $5.64  0  D   
Employee Stock Option (Right to Buy)  $5.64  5/24/2021    M        3700    (6) 8/10/2025  Class B Common Stock  3700  $5.64  15000  D   
Class B Common Stock  $5.64  5/24/2021    M     3700       (7) 8/10/2025  Class A Common Stock  3700  $5.64  0  D   
Class B Common Stock  $5.64  5/24/2021    C        3700    (7) 8/10/2025  Class A Common Stock  0.0  $5.64  0.0  D   

Explanation of Responses:
(1)  Shares sold pursuant to Mr. Rosenberg's 10b5-1 plan.
(2)  The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $332.56 to $333.47 per share, inclusive. The reporting person undertakes to provide to the issuer, any security holder of the issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
(3)  The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $333.70 to $334.63 per share, inclusive. The reporting person undertakes to provide to the issuer, any security holder of the issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
(4)  The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $334.86 to $335.84 per share, inclusive. The reporting person undertakes to provide to the issuer, any security holder of the issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
(5)  The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $335.98 to $335.99 per share, inclusive. The reporting person undertakes to provide to the issuer, any security holder of the issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
(6)  This stock option is fully vested.
(7)  Each share of Class B Common Stock is convertible at any time at the option of the Reporting Person into one share of Class A Common Stock and has no expiration date. Shares of Class B Common Stock will convert automatically into shares of Class A Common Stock upon the earlier of: (i) any transfer except for certain "Permitted Transfers" as defined in the Issuer's restated certificate of incorporation, (ii) the first "Trading Day", as defined in the Issuer's restated certificate of incorporation, falling on or after the date on which the shares of Class B Common Stock represent less than 10% of the aggregate number of outstanding shares of Class A Common Stock and Class B Common Stock or (iii) the vote of the holders of Class B Common Stock representing at least 66-2/3% of the shares of Class B Common Stock.

Reporting Owners
Reporting Owner Name / Address
Relationships
Director 10% Owner Officer Other
Rosenberg Scott A.
1155 COLEMAN AVE,
SAN JOSE, CA 95110


GM, Sr. VP Platform Business

Signatures
/s/ Christy Lillquist, attorney-in-fact 5/26/2021
**Signature of Reporting Person Date
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