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 *

Hughes Shawna		 2. Issuer Name and Ticker or Trading Symbol

MAGNITE, INC. [ MGNI ] 		5. Relationship of Reporting Person(s) to Issuer (Check all applicable)

_____ Director                    _____ 10% Owner
__X__ Officer (give title below)    _____ Other (specify below)
Chief Accounting Officer
(Last)          (First)          (Middle)

12181 BLUFF CREEK DR 4TH FL		 3. Date of Earliest Transaction (MM/DD/YYYY)

8/3/2020
(Street)

PLAYA VISTA, CA 90094
(City)        (State)        (Zip)
4. If Amendment, Date Original Filed (MM/DD/YYYY)

8/5/2020 
 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
Common Stock 8/3/2020  A  66863 (1)A$0 (2)167165 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 Security3. Trans. Date3A. Deemed Execution Date, if any4. 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 Date7. 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)
CodeV(A)(D)Date ExercisableExpiration DateTitleAmount or Number of Shares
Employee Stock Option (Right to Buy) $6.29 8/3/2020  A   46923     (3)8/3/2030 Common Stock 46923.0 $0 (2)46923 D  
Explanation of Responses:
(1) Represents restricted stock units that vest as follows: 16,716 on August 15, 2021; 4,179 on each November 15, February 15, May 15 and August 15 thereafter through May 15, 2024; and 4,178 on August 15, 2024.
(2) Granted as compensation for services.
(3) 25% of the stock options will vest on August 3, 2021 and the remaining option shares will become exercisable in 36 equal installments each calendar month thereafter.

Remarks:
This report on Form 4/A amends and replaces in its entirety the Form 4 filed by the Reporting Person on August 5, 2020. This report on Form 4/A is being filed solely to correct the vesting schedule for the restricted stock units described in footnote 1 of this report.
Reporting Owners
Reporting Owner Name / Address
Relationships
Director10% OwnerOfficerOther
Hughes Shawna
12181 BLUFF CREEK DR 4TH FL
PLAYA VISTA, CA 90094

Chief Accounting Officer
Signatures
Aaron Saltz, attorney-in-fact9/11/2020
**Signature of Reporting PersonDate
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