Gevo General Counsel granted stock and options

Gevo, Inc. reported that its General Counsel, David Michael Kettner, received an equity compensation grant.

Rhea-AI Filing Summary

Gevo, Inc. reported that its General Counsel, David Michael Kettner, received an equity compensation grant. He was awarded 133,232 shares of restricted common stock at no cash cost, increasing his direct common stock holdings to 264,288 shares after the grant.

He also received stock options for 153,937 shares of common stock with an exercise price of $1.64 per share, expiring on May 19, 2036. Both the restricted stock and the options vest in three equal annual installments beginning on the first anniversary of the grant date, as long as he remains in continuous service with the company.

Insider Trade Summary

Grant/Award: 287,169 shares

Grant/Award 2 txns

Insider Kettner David Michael

Role General Counsel

Type	Security	Shares	Price	Value
Grant/Award	Stock Option	153,937	$0.00	$0.00
Grant/Award	Common Stock	133,232	$0.00	$0.00

Holdings After Transaction: Stock Option — 153,937 contracts (Direct); Common Stock — 264,288 shares (Direct)

Footnotes (2)

1. F1. Represents restricted common stock that vests in three equal annual installments beginning on the first anniversary of the grant date, provided that the reporting person remains in continuous service with the issuer as of each vesting date.
2. F2. The stock options shall vest in three equal annual installments beginning on the first anniversary of the grant date, provided that the reporting person remains in continuous service with the issuer as of each vesting date.

Key Figures

Restricted stock grant: 133,232 shares Common shares after grant: 264,288 shares Option grant size: 153,937 options +4 more

7 metrics

Restricted stock grant 133,232 shares Restricted common stock awarded to General Counsel on May 20, 2026

Common shares after grant 264,288 shares Direct Gevo common stock holdings following the restricted stock award

Option grant size 153,937 options Stock options granted, each for one share of common stock

Option exercise price $1.64 per share Exercise price for the 153,937 stock options

Option expiration May 19, 2036 Expiration date of the granted stock options

Restricted stock vesting 3 annual installments Vests over three years starting on first anniversary of grant

Options vesting 3 annual installments Options vest over three years starting on first anniversary of grant

Key Terms

restricted common stock, stock options, exercise price, expiration date, +1 more

5 terms

restricted common stock financial

"Represents restricted common stock that vests in three equal annual installments"

Restricted common stock is company shares that carry limits on selling or transferring for a set period or until certain conditions are met, like time-based vesting or regulatory clearance. Think of them as shares in a locked box that gradually open; they can become freely tradable later but initially reduce the number of shares available on the market. Investors watch restricted stock because its eventual release can change a company’s share supply, affect stock price, and influence control and dilution.

stock options financial

"The stock options shall vest in three equal annual installments"

Stock options are agreements that give a person the right to buy or sell a company's stock at a specific price within a certain time frame. They are often used as a reward or incentive, similar to a coupon that can be used later if the stock price rises, allowing the holder to make a profit.

exercise price financial

"conversion_or_exercise_price": "1.6400""

The exercise price is the fixed amount at which you can buy or sell an asset, like a stock, when using an options contract. It matters because it helps determine whether exercising the option will be profitable or not, depending on the current market price. Think of it as the set price you agree on today to buy or sell later.

expiration date financial

"expiration_date": "2036-05-19T00:00:00.000Z""

The expiration date is the deadline after which a financial contract, such as an option or a futures agreement, is no longer valid or can be exercised. It matters to investors because it determines the timeframe during which they can take action or benefit from the contract, similar to how a coupon or a food item has a limited period of usefulness. Once the expiration date passes, the contract loses its value or ability to be used.

continuous service financial

"provided that the reporting person remains in continuous service with the issuer"

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

Form 4 Insider Transactions: What Each Field Means →

See more from StockTitan in Google Search and AI answers. Adds StockTitan as a preferred source · opens Google

Add on Google Not now

Accepted by SEC EDGAR 05/22/2026 - 05:07 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^*

Kettner David Michael

(Last) (First) (Middle)

C/O GEVO, INC. 345 INVERNESS DRIVE SOUTH

BUILDING C, SUITE 310

(Street)

ENGLEWOOD COLORADO 80112

(City) (State) (Zip)

UNITED STATES

(Country)

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)
	General Counsel

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
05/20/2026

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

4. If Amendment, Date of Original Filed (Month/Day/Year)

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(1)	05/20/2026		A		133,232	A	$0	264,288	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
Stock Option	$1.64	05/20/2026		A		153,937		(2)	05/19/2036	Common Stock	153,937	$0	153,937	D

Explanation of Responses:

1. Represents restricted common stock that vests in three equal annual installments beginning on the first anniversary of the grant date, provided that the reporting person remains in continuous service with the issuer as of each vesting date.

2. The stock options shall vest in three equal annual installments beginning on the first anniversary of the grant date, provided that the reporting person remains in continuous service with the issuer as of each vesting date.

Remarks:

	/s/ E. Cabell Massey, Attorney-in-Fact	05/22/2026
	** 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.
* Form 4: SEC 1474 (03-26)