Gevo officer sells 5,000 GEVO shares under Rule 10b5-1 plan

Rhea-AI Filing Summary

Gevo, Inc. insider transaction: A company officer, identified as the Chief Customer Marketing & Brand Officer, reported selling 5,000 shares of Gevo common stock on 11/20/2025. The sale was coded as an "S" transaction and executed at a weighted average price of $1.9873 per share, with individual trade prices ranging from $1.97 to $2.005 per share.

After this sale, the officer beneficially owns 280,823 shares of Gevo common stock directly and an additional 9,795.52 shares through a 401(k) plan. The filing notes that the sales were made under a pre-arranged Rule 10b5-1 trading plan adopted on November 22, 2024.

Insider Trade Summary

Net Seller: 5,000 shares ($9,937)

Net Sell 2 txns

Insider Shafer Andrew

Role Chief Cust Mkt & Brnd Officer

Sold 5,000 shs ($10K)

Type	Security	Shares	Price	Value
Sale	Common Stock	5,000	$1.9873	$10K
holding	Common Stock	--	--	--

Holdings After Transaction: Common Stock — 280,823 shares (Direct); Common Stock — 9,795.52 shares (Indirect, By 401(k) Plan)

Footnotes (1)

1. The reported sales were effected pursuant to a 10b5-1 trading plan adopted by the Reporting Person on November 22, 2024. The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $1.97 to $2.005 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.

Form 4 Insider Transactions: What Each Field Means →

SEC Form 4

FORM 4

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
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

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).

X

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

Shafer Andrew

(Last) (First) (Middle)

C/O GEVO, INC. 345 INVERNESS DRIVE SOUTH

BUILDING C, SUITE 310

(Street)

ENGLEWOOD CO 80112

(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)

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	Chief Cust Mkt & Brnd Officer

3. Date of Earliest Transaction (Month/Day/Year)
11/20/2025

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

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	11/20/2025		S(1)		5,000	D	$1.9873(2)	280,823	D
Common Stock								9,795.52	I	By 401(k) Plan

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 reported sales were effected pursuant to a 10b5-1 trading plan adopted by the Reporting Person on November 22, 2024.

2. The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $1.97 to $2.005 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	11/21/2025
	** 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.

FAQ

What insider transaction did GEVO report in this Form 4?

A Gevo, Inc. officer reported selling 5,000 shares of common stock on 11/20/2025 in an open-market transaction coded as a sale ("S").

At what price were the GEVO shares sold in this insider trade?

The reported weighted average sale price was $1.9873 per share, with individual trades executed between $1.97 and $2.005 per share.

How many GEVO shares does the insider own after this transaction?

Following the sale, the officer beneficially owns 280,823 GEVO common shares directly and 9,795.52 shares indirectly through a 401(k) plan.

Was the GEVO insider sale made under a Rule 10b5-1 trading plan?

Yes. The filing states the sales were effected under a Rule 10b5-1 trading plan adopted by the reporting person on November 22, 2024.

What is the reporting person’s role at GEVO?

The reporting person is listed as an officer of Gevo, Inc., with the title Chief Customer Marketing & Brand Officer.

Is this GEVO Form 4 filed for one or multiple reporting persons?

The document indicates that the Form 4 is filed by one reporting person, not by a group.