Gevo (GEVO) CCO granted 158,334 restricted shares as Form 4/A corrects tax withholding

Rhea-AI Filing Summary

Gevo, Inc. reported updated insider equity activity for Chief Commercial Officer James Kyle Dean. On April 1, 2026, Dean received a grant of 158,334 shares of restricted common stock that vest in three equal annual installments, conditioned on continued service.

On the same date, 25,118 shares of common stock were withheld by Gevo to cover tax withholding obligations upon vesting of a restricted stock award at $2.40 per share. After this tax-withholding disposition, Dean directly held 133,216 shares of common stock from that award. The filing is an amendment correcting a previously reported error in the number of shares subject to tax withholding.

Insider Trade Summary

2 transactions reported

Mixed 2 txns

Insider JAMES KYLE DEAN

Role Chief Commercial Officer

Type	Security	Shares	Price	Value
Grant/Award	Common Stock	158,334	$0.00	--
Tax Withholding	Common Stock	25,118	$2.40	$60K

Holdings After Transaction: Common Stock — 158,334 shares (Direct, null)

Footnotes (1)

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. Represents shares withheld by the issuer to cover tax withholding obligations upon vesting of a restricted stock award. 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-withheld shares: 25,118 shares Withholding price: $2.40 per share +1 more

4 metrics

Restricted stock grant 158,334 shares Common stock granted to CCO on April 1, 2026

Tax-withheld shares 25,118 shares Shares withheld to cover tax obligations on vesting

Withholding price $2.40 per share Value used for tax-withholding disposition

Shares held after withholding 133,216 shares Direct common stock holdings after tax withholding on award

Key Terms

restricted common stock, vests in three equal annual installments, tax withholding obligations, restricted stock award

4 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.

vests in three equal annual installments financial

"that vests in three equal annual installments beginning on the date of grant"

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.

Form 4 Insider Transactions: What Each Field Means →

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^*

JAMES KYLE DEAN

(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)
	Chief Commercial Officer

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)		25,118(3)	D	$2.4	133,216	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)

FAQ

What insider equity transactions did Gevo (GEVO) report for James Kyle Dean?

Gevo reported that Chief Commercial Officer James Kyle Dean received 158,334 shares of restricted common stock and had 25,118 shares withheld to satisfy tax obligations. These events reflect equity-based compensation and related tax withholding, not an open-market purchase or sale.

How many Gevo (GEVO) restricted shares were granted to the CCO and how do they vest?

James Kyle Dean was granted 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 on each vesting date as described in the filing footnotes.

Why were 25,118 Gevo (GEVO) shares disposed of in this Form 4/A filing?

The 25,118 shares were withheld by Gevo to cover tax withholding obligations when a restricted stock award vested. This is a tax-withholding disposition, not an open-market sale, and is a common mechanism for employees to satisfy equity-related tax liabilities.

What shareholding did James Kyle Dean report after Gevo’s tax-withholding transaction?

Following the tax-withholding disposition of 25,118 shares, James Kyle Dean directly held 133,216 shares of Gevo common stock from that award. The filing shows this post-transaction balance, helping investors understand the scale of his remaining equity position with the company.

What correction does this amended Gevo (GEVO) Form 4/A make?

The amended Form 4/A corrects an earlier inadvertent error in the number of securities reported as subject to tax withholding. A footnote clarifies that the amendment strictly updates the tax-withholding share amount, rather than introducing new compensation or trading activity.