James J. Barber - 21 May 2025 Form 3 Insider Report for Gevo, Inc. (GEVO)

Role: Director
Signature: /s/ E. Cabell Massey, Attorney-in-Fact
Issuer symbol: GEVO
Transactions as of: 21 May 2025
Net transactions value: $0
Form type: 3
Filing time: 28 May 2025, 16:49:34 UTC
Previous filing: 06 Jun 2024
Next filing: 04 Jun 2025
SEC: View on sec.gov

Reporting Owners (1)

Name	Relationship	Address	Signature	Signature date	CIK
Barber James J	Director	C/O GEVO, INC. 345 INVERNESS DRIVE SOUTH, BUILDING C, SUITE 310, ENGLEWOOD	/s/ E. Cabell Massey, Attorney-in-Fact	28 May 2025	0001377811

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Underlying Class	Amount	Exercise Price	Ownership	Footnotes
holding	GEVO	Stock Option							21 May 2025	Common Stock	134,517	$1.08	Direct	F1, F2

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
F1	Represents 134,517 stock options granted to the reporting person on May 22, 2025
F2	Represents stock options that vest on the earlier to occur of (i) the next annual meeting of stockholders or (ii) the first anniversary of the grant date, provided that the reporting person remains in continuous service with the issuer as of the vesting date.