Sec Form 4 Filing - Thompson Michael N. Jr. @ Aurora Innovation, Inc. - 2021-11-03

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 Thompson Michael N. Jr. 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 _____ Officer (give title below) X __ Other (specify below) FORMER OFFICER AND DIRECTOR (Last) (First) (Middle) C/O REINVENT TECHNOLOGY PARTNERS Y, 215 PARK AVENUE, FLOOR 11 3. Date of Earliest Transaction (MM/DD/YY) 11/03/2021 (Street) NEW YORK, NY10003 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 11/03/2021 A( 1 ) 430,000 A $ 10 430,000 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 Class B Common Stock ( 2 ) 11/03/2021 A( 3 ) 1,174,642 ( 2 ) ( 2 ) Class A Common Stock 1,174,642 ( 3 ) 1,174,642 I See Footnote ( 4 )

Reporting Owners Reporting Owner Name / Address Relationships Director 10% Owner Officer Other Thompson Michael N. Jr. C/O REINVENT TECHNOLOGY PARTNERS Y 215 PARK AVENUE, FLOOR 11 NEW YORK, NY10003 FORMER OFFICER AND DIRECTOR Signatures /s/ David Cohen as attorney-in-fact for Michael Thompson 11/05/2021 Signature of Reporting Person Date

Explanation of Responses:

( 1 )Reflects Issuer's Class A common stock acquired from the Issuer pursuant to a Subscription Agreement in connection with the business combination of Reinvent Technology Partners Y (the former name of the Issuer) and Aurora Innovation Holdings, Inc. (formerly known as Aurora Innovation, Inc.) ("Aurora") (such business combination, the "Business Combination"), which closed on November 3, 2021. The reporting person resigned as a director and as an officer of the Issuer upon consummation of the Business Combination. ( 2 )Each share of Issuer Class B common stock is convertible at any time by the holder into one share of Issuer Class A common stock. Pursuant to the terms of the Issuer's charter (the "Charter"), each share of Issuer Class B common stock (i) is convertible at any time by the holder into one share of Issuer Class A common stock and (ii) automatically converts into one share of Issuer Class A common stock upon transfer to a recipient that is not a permitted transferee, upon the death of the holder, or as otherwise set forth in the Charter. ( 3 )Upon the consummation of, and pursuant to, the Business Combination, shares of Class B Stock of Aurora held by Reinvent Capital Fund LP ("Reinvent Capital Fund") were cancelled and converted into 1,174,642 shares of the Issuer's Class B common stock at a deemed value of $10.00 per share. ( 4 )Reflects securities held directly by Reinvent Capital Fund. The reporting person may be deemed a beneficial owner of securities held by Reinvent Capital Fund by virtue of his shared control over and indirect pecuniary interest in Reinvent Capital Fund. The reporting person disclaims beneficial ownership of the securities held by Reinvent Capital Fund, except to the extent of his pecuniary interest therein.

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

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