[Form 4] Gevo, Inc. Insider Trading Activity

Rhea-AI Filing Summary

Paul D. Bloom, Chief Business Officer of Gevo, Inc. (GEVO), reported a transaction on 09/17/2025 selling 75,000 shares of common stock to cover tax withholding on vested restricted stock. The sales were effected under a 10b5-1 trading plan adopted November 21, 2024, at a weighted-average price of $2.0058 per share, with individual sale prices ranging from $2.00 to $2.03. After the disposition, Mr. Bloom beneficially owns 923,591 shares directly and 22,039.17 shares indirectly through a 401(k) plan. The filing discloses the routine nature of the sale and offers availability of detailed per-price sale information on request.

Positive

• Sale disclosed as tax-withholding on vested restricted stock, indicating a routine, non-speculative purpose
• Transaction executed under a 10b5-1 trading plan, supporting preplanned and compliant insider trading
• Detailed ownership post-transaction provided: 923,591 shares direct and 22,039.17 shares indirect via 401(k)
• Weighted-average sale price disclosed ($2.0058) and price range ($2.00–$2.03), with offer to provide per-price details on request

Negative

• Reduction in direct holdings: sale of 75,000 shares represents approximately 8.12% of the reporting person's direct post-transaction stake (75,000/923,591)
• Potential perception risk that an insider sale—even for tax purposes—could be interpreted negatively by some investors

Insights

Financial Analyst

TL;DR Insider sold shares under a 10b5-1 plan to satisfy withholding; remaining stake remains meaningful.

The sale of 75,000 shares at a weighted-average price of $2.0058 was disclosed as tax-withholding related and executed under a previously adopted 10b5-1 plan, indicating pre-planned, non-discretionary disposition. The reporting person retains 923,591 shares directly, preserving substantial ownership that limits immediate governance or voting shifts. The transaction is routine and does not, by itself, signal a change in company fundamentals.

Corporate Governance Expert

TL;DR Disclosure follows expected governance practices; 10b5-1 plan and explanatory footnotes increase transparency.

The Form 4 clearly states the purpose of the sale (tax withholding) and cites the 10b5-1 trading plan adoption date, which supports compliance with insider trading rules. The filer offers to provide granular pricing details on request, strengthening transparency. No indications of undisclosed related-party transactions or unusual timing are present in the filing.

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).

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)
09/17/2025

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	09/17/2025		S(1)		75,000	D	$2.0058(2)	923,591	D
Common Stock								22,039.17	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 $2.00 to $2.03 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	09/18/2025
	** 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 Paul D. Bloom report on Form 4?

The Form 4 reports that Paul D. Bloom sold 75,000 shares of Gevo common stock on 09/17/2025 to cover tax withholding related to vested restricted stock.

Were the shares sold under a trading plan for GEVO (GEVO)?

Yes. The sales were effected pursuant to a 10b5-1 trading plan adopted on November 21, 2024.

At what price were the GEVO shares sold?

The Form 4 reports a weighted-average price of $2.0058 per share, with individual sale prices ranging from $2.00 to $2.03.

How many GEVO shares does the insider own after the sale?

After the reported transaction, the insider beneficially owns 923,591 shares directly and 22,039.17 shares indirectly through a 401(k) plan.

Why were the shares sold according to the filing?

The filing states the shares were sold to cover tax withholding obligations upon vesting of a restricted stock award.

Can I obtain more detailed pricing information for the GEVO share sales?

Yes. The reporting person offers to provide, upon request, full information regarding the number of shares sold at each separate price within the disclosed range.