Sec Form 3 Filing - Hebert Peter @ Aeva Technologies, Inc. - 2021-03-12

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 Hebert Peter 2. Issuer Name and Ticker or Trading Symbol Aeva Technologies, Inc. [ AEVA] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) _____ Director X __ 10% Owner _____ Officer (give title below) _____ Other (specify below) (Last) (First) (Middle) 920 BROADWAY, 11TH FLOOR 3. Date of Earliest Transaction (MM/DD/YY) 03/12/2021 (Street) NEW YORK, NY10010 4. If Amendment, Date Original Filed (MM/DD/YY) 6. Individual or Joint/Group Filing (Check Applicable Line) _____ Form filed by One Reporting Person __ X __ 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 29,384,634 I See footnote ( 1 ) Class A Common Stock 1,959,371 I See footnote ( 2 )

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

Reporting Owners Reporting Owner Name / Address Relationships Director 10% Owner Officer Other Hebert Peter 920 BROADWAY, 11TH FLOOR NEW YORK, NY10010 X Wolfe Josh 920 BROADWAY, 11TH FLOOR NEW YORK, NY10010 X Lux Ventures IV, L.P. 920 BROADWAY, 11TH FLOOR NEW YORK, NY10010 X Lux Co-Invest Opportunities, L.P. 920 BROADWAY, 11TH FLOOR NEW YORK, NY10010 X Lux Venture Partners IV, LLC 920 BROADWAY, 11TH FLOOR NEW YORK, NY10010 X Lux Co-Invest Partners, LLC 920 BROADWAY, 11TH FLOOR NEW YORK, NY10010 X Signatures /s/ Segolene Scarborough, Segolene Scarborough, Attorney-in-Fact for Peter Hebert 03/19/2021 Signature of Reporting Person Date /s/ Segolene Scarborough, Segolene Scarborough, Attorney-in-Fact for Josh Wolfe 03/19/2021 Signature of Reporting Person Date LUX VENTURE PARTNERS IV, LLC, /s/ Segolene Scarborough, Segolene Scarborough, Attorney-in-Fact for Peter Hebert, Managing Member 03/19/2021 Signature of Reporting Person Date LUX VENTURES IV, L.P., By: Lux Venture Partners IV, LLC, Its: General Partner, /s/ Segolene Scarborough, Segolene Scarborough, Attorney-in-Fact for Peter Hebert, Managing Member 03/19/2021 Signature of Reporting Person Date LUX CO-INVEST PARTNERS, LLC, /s/ Segolene Scarborough, Segolene Scarborough, Attorney-in-Fact for Peter Hebert, Managing Member 03/19/2021 Signature of Reporting Person Date LUX CO-INVEST OPPORTUNITIES, L.P., By: Lux Co-Invest Partners, LLC, Its: General Partner, /s/ Segolene Scarborough, Segolene Scarborough, Attorney-in-Fact for Peter Hebert, Managing Member 03/19/2021 Signature of Reporting Person Date

Explanation of Responses:

( 1 )These shares are owned directly by Lux Ventures IV, L.P. Lux Venture Partners IV, LLC is the general partner of Lux Ventures IV, L.P. and exercises voting and dispositive power over the shares noted herein held by Lux Ventures IV, L.P. Peter Hebert and Josh Wolfe are the individual managing members of Lux Venture Partners IV, LLC (the "Individual Lux Managers"). The Individual Lux Managers, as the sole managers of Lux Venture Partners IV, LLC, may be deemed to share voting and dispositive power for the shares noted herein held by Lux Ventures IV, L.P.. Each of Lux Venture Partners IV, LLC and the Individual Lux Managers separately disclaim beneficial ownership over the shares noted herein except to the extent of their pecuniary interest therein. ( 2 )These shares are owned directly by Lux Co-Invest Opportunities, L.P. Lux Co-Invest Partners, LLC is the general partner of Lux Co-Invest Opportunities, L.P. and exercises voting and dispositive power over the shares noted herein held by Lux Co-Invest Opportunities, L.P. The Individual Lux Managers are the individual managing members of Lux Venture Partners IV, LLC. The Individual Lux Managers, as the sole managers of Lux Co-Invest Partners, LLC, may be deemed to share voting and dispositive power for the shares noted herein held by Lux Co-Invest Opportunities, L.P. Each of Lux Co-Invest Partners, LLC and the Individual Lux Managers separately disclaim beneficial ownership over the shares noted herein except to the extent of their pecuniary interest.

Remarks: Exhibit ListExhibit 24.1 - Power of AttorneyExhibit 24.2 - Power of Attorney

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