Form 4: Gevo CBO tax-withholding sale trims stake by 4 %

Rhea-AI Filing Summary

Gevo (GEVO) Chief Business Officer Paul D. Bloom filed a Form 4 for a routine, pre-planned insider transaction dated 05 Aug 2025. Bloom sold 42,073 common shares at a weighted-average price of $1.2264 per share under a Rule 10b5-1 plan adopted 21 Nov 2024. The sale covered tax-withholding obligations arising from the vesting of a restricted-stock award.

After the sale Bloom still directly owns 1,000,683 shares and indirectly holds 22,047.57 shares in the company’s 401(k) plan. No derivative securities were transacted. The move trims roughly 4 % of his direct position and has no disclosed impact on company operations, strategy, or guidance.

Positive

• Sale executed under a pre-disclosed Rule 10b5-1 trading plan, supporting strong governance and transparency.
• Insider retains over 1 million shares post-transaction, signalling continued alignment with shareholders.

Negative

• Direct share ownership reduced by roughly 4 %, a modest but negative directional change in insider holdings.

Insights

Financial Analyst

TL;DR: Small, tax-driven insider sale; immaterial to float or valuation; neutral signal.

Bloom’s 42 k share sale represents about 4 % of his direct holdings and less than 0.02 % of Gevo’s ~250 M share float. Because the transaction was executed under a pre-arranged 10b5-1 plan and earmarked for withholding taxes, it does not suggest a shift in the insider’s long-term outlook. Remaining ownership above one million shares maintains alignment with shareholders. Overall impact on liquidity, earnings prospects, or valuation is negligible.

Corporate Governance Specialist

TL;DR: Properly disclosed 10b5-1 sale; governance compliance intact; negligible market impact.

The filing follows best-practice disclosure standards: Rule 10b5-1 plan identified, weighted-average pricing footnoted, and residual holdings stated. Such transparency reduces litigation risk and insider-trading concerns. The sale’s purpose—tax withholding on restricted stock—indicates routine compensation management rather than opportunistic disposal. No flags for governance or control issues arise.

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^*

Bloom Paul D

(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 Business Officer

3. Date of Earliest Transaction (Month/Day/Year)
08/05/2025

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	08/05/2025		S(1)		42,073	D	$1.2264(2)	1,000,683	D
Common Stock								22,047.57	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 21, 2024.

2. The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $1.21 to $1.28 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	08/06/2025
	** 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

How many GEVO shares did Paul D. Bloom sell?

He sold 42,073 common shares on 05 Aug 2025.

At what price were the GEVO shares sold?

The weighted-average sale price was $1.2264 per share (range $1.21–$1.28).

Why did the insider sell the shares?

The shares were sold solely to cover tax-withholding obligations upon vesting of a restricted-stock award.

How many GEVO shares does Bloom hold after the sale?

He holds 1,000,683 shares directly and 22,047.57 shares indirectly via the 401(k) plan.

What is a Rule 10b5-1 trading plan?

It is a pre-arranged schedule for buying or selling shares that provides an affirmative defense against insider-trading claims.