Gevo GC granted 158,334 restricted shares

Gevo, Inc. reported compensation-related equity transactions for its General Counsel, David Michael Kettner.

Rhea-AI Filing Summary

Gevo, Inc. reported compensation-related equity transactions for its General Counsel, David Michael Kettner. He received 158,334 shares of restricted common stock that vest in three equal annual installments beginning on the grant date, conditioned on his continued service with the company. To cover tax withholding obligations upon vesting of a restricted stock award, the issuer withheld 27,278 shares of common stock at $2.40 per share as a non-market disposition. The amendment corrects an inadvertent error in the previously reported amount of securities subject to this tax withholding.

Insider Trade Summary

2 transactions reported

Mixed 2 txns

Insider Kettner David Michael

Role General Counsel

Type	Security	Shares	Price	Value
Grant/Award	Common Stock	158,334	$0.00	$0.00
Exercise Price or Tax Liability	Common Stock	27,278	$2.40	$65K

Holdings After Transaction: Common Stock — 131,056 shares (Direct)

Footnotes (3)

1. F1. Represents restricted common stock that vests in three equal annual installments beginning on the date of grant, provided that the reporting person remains in continuous service with the issuer as of each vesting date.
2. F2. Represents shares withheld by the issuer to cover tax withholding obligations upon vesting of a restricted stock award.
3. F3. This amendment is being filed to correct an inadvertent error in the amount of securities subject to tax withholding in this reported transaction.

Key Figures

Restricted stock grant: 158,334 shares Tax withholding shares: 27,278 shares Tax withholding price: $2.40 per share +2 more

5 metrics

Restricted stock grant 158,334 shares Restricted common stock awarded to General Counsel

Tax withholding shares 27,278 shares Shares withheld to cover tax obligations on vesting

Tax withholding price $2.40 per share Price used for shares withheld for tax obligations

Shares after withholding entry 131,056 shares Total common shares held following the tax-withholding transaction

Shares after grant entry 158,334 shares Total restricted common shares held following the grant transaction

Key Terms

restricted common stock, tax withholding obligations, restricted stock award, grant, award, or other acquisition, +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.

tax withholding obligations financial

"Represents shares withheld by the issuer to cover tax withholding obligations"

restricted stock award financial

"upon vesting of a restricted stock award"

A restricted stock award is company shares given to an employee or executive that cannot be sold or fully owned until certain conditions—like staying with the company for a set time or hitting performance targets—are met. Think of it as a gift that only becomes yours after you fulfill specific obligations; for investors, these awards matter because they can increase the total shares outstanding when they vest, reveal how management is being paid and motivated, and create potential selling pressure when restrictions lift.

grant, award, or other acquisition financial

"transaction code description: Grant, award, or other acquisition"

Payment of exercise price or tax liability by delivering securities financial

"transaction code description: Payment of exercise price or tax liability by delivering securities"

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What insider transactions did Gevo (GEVO) report for David Michael Kettner?

Gevo reported that General Counsel David Michael Kettner received 158,334 shares of restricted common stock and had 27,278 shares withheld to cover tax obligations. Both transactions are compensation-related, not open-market purchases or sales of Gevo shares.

How many Gevo (GEVO) shares were granted to the General Counsel in this filing?

The General Counsel received a grant of 158,334 shares of restricted common stock. These shares vest in three equal annual installments beginning on the grant date, provided he remains in continuous service with Gevo for each vesting date.

How many Gevo (GEVO) shares were withheld for taxes in this Form 4/A?

The filing shows 27,278 shares of Gevo common stock were withheld to cover tax withholding obligations. The withholding occurred upon vesting of a restricted stock award, using a price of $2.40 per share to determine the tax value.

Is the Gevo (GEVO) insider transaction a market sale or a tax withholding?

The disposition of 27,278 Gevo shares is a tax withholding, not an open-market sale. The issuer retained these shares to satisfy tax obligations arising from a restricted stock vesting, according to the transaction code and explanatory footnote.

What does the amendment in Gevo’s (GEVO) Form 4/A correct?

The amendment corrects an inadvertent error in the previously reported tax withholding amount. It clarifies the number of securities subject to tax withholding upon vesting of a restricted stock award, aligning the filing with the actual 27,278 shares withheld.

How do the restricted Gevo (GEVO) shares vest for the General Counsel?

The 158,334 restricted Gevo shares vest in three equal annual installments. Vesting begins on the date of grant and continues annually, as long as the General Counsel remains in continuous service with the company on each vesting date.

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 - 04:51 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)
04/01/2026

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)
04/30/2026

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)	04/01/2026		A		158,334	A	$0	158,334	D
Common Stock	04/01/2026		F(2)		27,278	D	$2.4	131,056(3)	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

Explanation of Responses:

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

2. Represents shares withheld by the issuer to cover tax withholding obligations upon vesting of a restricted stock award.

3. This amendment is being filed to correct an inadvertent error in the amount of securities subject to tax withholding in this reported transaction.

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)