[Form 4] Gevo, Inc. Insider Trading Activity

Rhea-AI Filing Summary

Kimberly T. Bowron, Chief People and IT Officer of Gevo, Inc. (GEVO), reported insider share dispositions on 09/04/2025. She sold 1,530 shares of Gevo common stock to cover tax withholding from a restricted stock vesting, with a weighted average sale price of $1.6295 (sales ranged from $1.61 to $1.64). The sales were effected pursuant to a 10b5-1 trading plan adopted December 2, 2024. After the reported sale, Bowron beneficially owns 481,226 shares directly and holds 7,864.35 shares indirectly through the company 401(k) plan. The report also discloses that between August 5, 2025 and September 4, 2025 the reporting person disposed of 2.99 shares under the 401(k) plan to cover administrative fees. The Form 4 was signed by attorney-in-fact E. Cabell Massey on 09/05/2025.

Positive

• Sale executed under a documented 10b5-1 trading plan (adopted December 2, 2024)
• Clear disclosure that shares were sold to cover tax withholding on vested restricted stock
• Reporting person retains substantial direct ownership of 481,226 shares after the transaction

Negative

• Disposition of 1,530 shares on 09/04/2025
• Weighted average sale price reported as $1.6295 (sales ranged $1.61–$1.64)

Insights

Corporate Governance Expert

TL;DR: Routine tax-withholding sale under a 10b5-1 plan; maintains material direct ownership.

The Form 4 shows a standard disposition where restricted stock vested and shares were sold to satisfy tax withholding obligations. The sale was executed under a pre-established 10b5-1 plan adopted December 2, 2024, which provides procedural safeguards against insider trading concerns. Post-transaction direct beneficial ownership remains at 481,226 shares, indicating continued alignment with shareholder interests. The small 2.99-share disposition from the 401(k) plan reflects administrative fee activity rather than voluntary market selling.

Securities Analyst

TL;DR: Transaction is limited in size and appears non-disruptive to investor holdings.

The reported sale of 1,530 shares at a weighted average price of $1.6295 is explicitly to cover tax withholding and was spread across multiple executions at prices between $1.61 and $1.64 per share. The aggregate holdings disclosed (481,226 direct; 7,864.35 indirect) suggest the disposition is immaterial to total insider stake. The filing contains clear pricing range and plan adoption date, enabling transparent assessment of intent and execution mechanics.

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^*

Bowron Kimberly T

(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 People and IT Officer

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)		1,530	D	$1.6295(2)	481,226	D
Common Stock								7,864.35(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 December 2, 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 2.99 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 insider Kimberly Bowron report on Form 4?

She reported selling 1,530 shares on 09/04/2025 to cover tax withholding from vested restricted stock, under a 10b5-1 plan.

What price did the reported GEVO stock sales occur at?

The weighted average sale price was $1.6295 per share; individual sales ranged from $1.61 to $1.64 per share.

How many GEVO shares does Kimberly Bowron own after the transaction?

She beneficially owns 481,226 shares directly and 7,864.35 shares indirectly through a 401(k) plan.

Were the sales part of an automated plan for GEVO insider trades?

Yes. The sales were effected pursuant to a 10b5-1 trading plan adopted by the reporting person on December 2, 2024.

Did the Form 4 disclose any other dispositions for Bowron?

Yes. Between August 5, 2025 and September 4, 2025, 2.99 shares were disposed under the 401(k) plan to cover administrative fees.