Sec Form 3 Filing - Mouat William @ Aurora Innovation, Inc. - 2021-11-03

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 Mouat William 2. Issuer Name and Ticker or Trading Symbol Aurora Innovation, Inc. [ AUR] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) _____ Director _____ 10% Owner X __ Officer (give title below) _____ Other (specify below) See Remarks (Last) (First) (Middle) C/O AURORA INNOVATION, INC., 50 33RD ST 3. Date of Earliest Transaction (MM/DD/YY) 11/03/2021 (Street) PITTSBURGH, PA15201 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 3,436,031( 1 )( 2 ) 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 Stock Options (Right to Buy) $ 1.41 ( 3 ) 02/25/2030 Class A Common Stock 88,190( 1 ) D

Reporting Owners Reporting Owner Name / Address Relationships Director 10% Owner Officer Other Mouat William C/O AURORA INNOVATION, INC. 50 33RD ST PITTSBURGH, PA15201 See Remarks Signatures /s/ William Mouat 11/12/2021 Signature of Reporting Person Date

Explanation of Responses:

( 1 )On November 3, 2021, upon the consummation of the business combination between Reinvent Technology Partners Y (the former name of the Issuer) and Aurora Innovation Holdings, Inc. (formerly Aurora Innovation, Inc.) ("Legacy Aurora"), each outstanding share of Legacy Aurora common stock was cancelled and converted into approximately 2.1708 shares of Class A common stock of the Issuer. ( 2 )Represents (i) 3,354,625 shares of Class A common stock of the Issuer and (ii) 81,406 restricted stock units ("RSUs"), each RSU representing the right to receive one share of Class A common stock of the Issuer, which will time vest quarterly and fully vest on February 20, 2023. ( 3 )9/13 of the shares subject to the option have vested, and 1/13 of the remaining shares subject to the option vest monthly beginning on December 1, 2021.

Remarks: General Counsel, Vice President, Secretary and TreasurerExhibit 24 - Power of Attorney

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