[Form 4] Gevo, Inc. Insider Trading Activity

Rhea-AI Filing Summary

Gevo, Inc. insider filing (Form 4) shows President & COO Ryan Christopher Michael sold 1,683 shares of Gevo common stock on 09/04/2025 at a weighted average price of $1.6295 per share to cover tax withholding on vesting restricted stock awards. The sales were made under a 10b5-1 trading plan adopted November 26, 2024. After the reported transactions the reporting person beneficially owned 1,631,938 shares directly and held an indirect position of 22,016.68 shares through a 401(k) plan. The filing also notes the disposition of 8.35 shares from the 401(k) between 08/05/2025 and 09/04/2025 to cover administrative fees.

Positive

• Transaction executed under a 10b5-1 plan, which supports compliance and reduces timing concerns
• Clear disclosure of amounts and weighted average price, aiding transparency
• Sale was to cover tax withholding on vested restricted stock, indicating administrative motive

Negative

• Reporting person disposed of 1,683 shares, reducing direct holdings (amount after sale: 1,631,938 shares)

Insights

Corporate Governance Expert

TL;DR: Routine tax-related insider sale executed under a pre-established 10b5-1 plan, indicating procedural compliance rather than opportunistic trading.

The filing documents a modest, targeted sale to satisfy tax withholding on vested restricted stock, executed pursuant to a 10b5-1 plan adopted on November 26, 2024. Using a trading plan reduces the likelihood the trades were timed on material nonpublic information and supports governance best practices for executive equity monetization. The direct beneficial ownership after the sale remains sizable at 1,631,938 shares, but the filing does not disclose the percentage ownership relative to outstanding shares.

Securities Analyst

TL;DR: Small-volume insider dispositions for tax and administrative needs; unlikely to be material to valuation by itself.

The reported sale of 1,683 shares at a weighted average price of $1.6295 and the minor 401(k) disposals (8.35 shares) appear driven by tax and plan administration. The use of a 10b5-1 plan signals pre-planned transactions. The filing provides clear quantities and prices but lacks context on total outstanding shares or percentage ownership, limiting assessment of materiality.

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^*

Ryan Christopher Michael

(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)
	President & COO

3. Date of Earliest Transaction (Month/Day/Year)
09/04/2025

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	09/04/2025		S(1)		1,683	D	$1.6295(2)	1,631,938	D
Common Stock								22,016.68(3)	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. Represents shares sold by the Reporting Person to cover tax withholding obligations upon vesting of a restricted stock award. The reported sales were effected pursuant to a 10b5-1 trading plan adopted by the Reporting Person on November 26, 2024.

2. The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $1.61 to $1.64 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.

3. Between August 5, 2025 and September 4, 2025, the reporting person disposed of 8.35 shares of the issuer's common stock under the issuer's 401(k) plan to cover administrative fees. The information in this report is based on a plan statement dated August 25, 2025.

	/s/ E. Cabell Massey, Attorney-in-Fact	09/05/2025
	** 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 did Gevo (GEVO) insider Ryan Michael sell on 09/04/2025?

The filing shows Ryan Michael sold 1,683 shares of Gevo common stock on 09/04/2025 at a weighted average price of $1.6295 per share.

Why were the shares sold according to the Form 4?

The shares were sold to cover tax withholding obligations upon vesting of a restricted stock award and were executed under a 10b5-1 trading plan adopted November 26, 2024.

How many Gevo shares does the reporting person own after the transaction?

After the reported sale, the reporting person beneficially owned 1,631,938 shares directly and held 22,016.68 shares indirectly through a 401(k) plan.

Were there other disposals noted in the Form 4?

Yes, the filing notes the reporting person disposed of 8.35 shares under the issuer's 401(k) plan between 08/05/2025 and 09/04/2025 to cover administrative fees.

Was the sale part of a pre-arranged trading plan?

Yes, the reported sales were effected pursuant to a 10b5-1 trading plan adopted by the reporting person on November 26, 2024.