Gevo director sells 107,100 shares in open trade

Gevo, Inc. director Gary W. Mize reported an open-market sale of 107,100 shares of common stock.

Rhea-AI Filing Summary

Gevo, Inc. director Gary W. Mize reported an open-market sale of 107,100 shares of common stock. The shares were sold on March 12, 2026 at a weighted average price of $2.335 per share, in multiple trades ranging from $2.33 to $2.34.

After this transaction, Mize directly holds 281,226 Gevo shares. The filing characterizes the transaction as a sale in the open market or a private transaction.

Insider Trade Summary

Net Seller: 107,100 shares

Net Sell 1 txn

Insider Mize Gary W.

Role Director

Sold 107,100 shs ($250K)

Type	Security	Shares	Price	Value
Sale	Common Stock	107,100	$2.335	$250K

Holdings After Transaction: Common Stock — 281,226 shares (Direct)

Footnotes (1)

1. F1. The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $2.33 to $2.34 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.

FAQ

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What insider trade did Gary W. Mize report for Gevo (GEVO)?

Gary W. Mize, a director of Gevo, Inc., reported selling 107,100 shares of common stock. The transaction was an open-market or private sale disclosed in a Form 4 insider trading report.

At what price did Gary W. Mize sell Gevo (GEVO) shares?

Gary W. Mize sold Gevo shares at a weighted average price of $2.335 per share. Individual trades occurred in multiple transactions at prices ranging from $2.33 to $2.34 per share, according to the Form 4 footnote.

How many Gevo (GEVO) shares does Gary W. Mize hold after the sale?

Following the reported sale, Gary W. Mize directly holds 281,226 shares of Gevo common stock. This post-transaction ownership figure is disclosed in the Form 4 as the total number of shares beneficially owned after the sale.

When did Gary W. Mize’s Gevo (GEVO) share sale take place?

The reported sale of Gevo common stock by director Gary W. Mize occurred on March 12, 2026. This transaction date is specified in the Form 4 and applies to the full 107,100 shares sold in multiple executions.

What type of transaction did Gary W. Mize execute in Gevo (GEVO) stock?

The Form 4 classifies Gary W. Mize’s activity as an open-market sale of common stock. The SEC transaction code is “S”, described as a sale in the open market or a private transaction of non-derivative securities.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Accepted by SEC EDGAR 03/12/2026 - 05:35 PM Learn about SEC filing dates

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).

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^*

Mize Gary W.

(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)

X	Director		10% Owner
	Officer (give title below)		Other (specify below)

3. Date of Earliest Transaction (Month/Day/Year)
03/12/2026

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	03/12/2026		S		107,100	D	$2.335(1)	281,226	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 reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $2.33 to $2.34 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	03/12/2026
	** 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.