Washington, D.C. 20549


Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940
OMB Number: 3235-0287
Estimated average burden
hours per response: 0.5
Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).
1. Name and Address of Reporting Person*
Gruber Patrick R.

(Last) (First) (Middle)


(City) (State) (Zip)
2. Issuer Name and Ticker or Trading Symbol
Gevo, Inc. [ GEVO ]
5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
X Director 10% Owner
X Officer (give title below) Other (specify below)
Chief Executive Officer
3. Date of Earliest Transaction (Month/Day/Year)
4. If Amendment, Date of Original Filed (Month/Day/Year)
6. Individual or Joint/Group Filing (Check Applicable Line)
X Form filed by One Reporting Person
Form filed by More than One Reporting Person
Rule 10b5-1(c) Transaction Indication

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.
Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3) 2. Transaction Date (Month/Day/Year) 2A. Deemed Execution Date, if any (Month/Day/Year) 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 08/23/2023 S(1) 171,549 D $1.378(2) 2,963,646 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 (Month/Day/Year) 3A. Deemed Execution Date, if any (Month/Day/Year) 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 (Month/Day/Year) 7. 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: 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
Explanation of Responses:
1. The sales reported were effected pursuant to a 10b5-1 trading plan adopted by the Reporting Person on March 20, 2023. Represents shares sold by the Reporting Person to cover tax withholding obligations upon vesting of a restricted stock award.
2. The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $1.36 to $1.42 per share, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or to the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
/s/ E. Cabell Massey, Attorney-in-Fact 08/25/2023
** Signature of Reporting Person Date
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).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.

I, Patrick R. Gruber, hereby authorize and designate each of
E. Cabell Massey, L. Lynn Smull, Alisher Nurmat, and Ned Prusse,
signing singly, as my true and lawful attorney-in-fact to:

(1)	execute for and on my behalf, in my capacity
as an officer and/or director of Gevo, Inc.
and its affiliates (the "Company"), the Form
ID and Forms 3, 4 and 5 in accordance with
Section 16(a) of the Securities Exchange Act
of 1934, as amended (the "Exchange Act"), and
the rules and regulations promulgated

(2)	do and perform any and all acts for and on my
behalf which may be necessary or desirable to
complete and execute any such Form ID or Form
3, 4 or 5 and timely file such form with the
Securities and Exchange Commission, any stock
exchange or similar authority; and

(3)	take any other action of any type whatsoever
in connection with the foregoing which, in
the opinion of such attorney-in-fact, may be
to my benefit, in my best interest, or
legally required of me, it being understood
that the statements executed by such
attorney-in-fact on my behalf pursuant to
this Power of Attorney shall be in such form
and shall contain such terms and conditions
as such attorney-in-fact may approve in such
attorney-in-fact's discretion.

I hereby further grant to each such attorney-in-fact full
power and authority to do and perform any and every act and thing
whatsoever requisite, necessary, or proper to be done in the
exercise of any of the rights and powers herein granted, as fully
to all intents and purposes as I might or could do if personally
present, with full power of substitutes or revocation, hereby
ratifying and confirming all that such attorney-in-fact, or such
attorney-in-fact's substitute or substitutes, shall lawfully do or
cause to be done by virtue of this Power of Attorney and the
rights and powers herein granted.  I hereby acknowledge that the
foregoing attorneys-in-fact, in serving in such capacity at my
request, are not assuming, nor is the Company assuming, any of my
responsibilities to comply with Section 16 of the Exchange Act.

This Power of Attorney shall remain in full force and effect
until I am no longer required to file the Form ID or Forms 3, 4
and 5 with respect to my holdings of and transactions in
securities issued by the Company, unless earlier revoked by me in
a signed writing delivered to the foregoing attorneys-in-fact.

IN WITNESS WHEREOF, I have caused this Power of Attorney to
be duly executed as of this 14th day of August, 2023.

/s/ Patrick R. Gruber
Patrick R. Gruber