Sec Form 4 Filing - BLOCK JOHN R @ AEMETIS, INC - 2021-03-15

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 BLOCK JOHN R 2. Issuer Name and Ticker or Trading Symbol AEMETIS, INC [ AMTX] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) X __ Director _____ 10% Owner _____ Officer (give title below) _____ Other (specify below) (Last) (First) (Middle) 20400 STEVENS CREK BLVD, SUITE 700 3. Date of Earliest Transaction (MM/DD/YY) 03/15/2021 (Street) CUPERTINO, CA95014 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 Common Stock 03/15/2021 S( 1 ) 36,000 ( 2 ) D $ 19.116 54,627 ( 3 ) D Common Stock 05/25/2021 S( 1 ) 4,977 ( 4 ) D $ 11.7577 54,627 D Common Stock 05/26/2021 S( 1 ) 15,023 ( 5 ) D $ 11.817 54,627 D Common Stock 09/16/2021 S 14,511 D $ 13.9383 40,116 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

Reporting Owners Reporting Owner Name / Address Relationships Director 10% Owner Officer Other BLOCK JOHN R 20400 STEVENS CREK BLVD, SUITE 700 CUPERTINO, CA95014 X Signatures /s/Todd Waltz attorney-infact 09/17/2021 Signature of Reporting Person Date

Explanation of Responses:

( 1 )1.These transactions were incorrectly reported in Table II on prior Form 4s filed by the Reporting Person in connection with the Reporting Persons exercise of stock options and sale of common stock from those issuances. ( 2 )The Reporting Person acquired 36000 shares of the Company by exercising option grant and cash payment of exercise cost and sold the same shares in the open market on the same day. ( 3 )As of the date of the first reported transaction on this Form 4, the Reporting Person beneficially owned 54,627 shares of the Issuers common stock. Each of the sale and withholding transactions reported herein was with respect to shares received from the exercise of stock options previously described on prior Form 4s. ( 4 )The Reporting Person acquired 4977 shares of the Company by exercising option grant and cash payment of exercise cost and sold the same shares in the open market on the same day. ( 5 )The Reporting Person acquired 15023 shares of the Company by exercising option grant and cash payment of exercise cost and sold the same shares in the open market on the same day.

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.

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

** Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).

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