Gevo COO reports 293K-share stake, long-dated options

Gevo, Inc. (GEVO) reported an initial ownership filing for COO Greg Edwin Hanselman.

Rhea-AI Filing Summary

Gevo, Inc. (GEVO) reported an initial ownership filing for COO Greg Edwin Hanselman. He holds 293,381 shares of Gevo common stock directly and an employee stock option covering 175,072 shares of common stock at an exercise price of $1.64 per share, expiring on May 19, 2036. The option vests in three equal annual installments beginning on May 20, 2027. The filing reports holdings only and does not show any recent purchases or sales.

Insider Trade Summary

2 transactions reported

Mixed 2 txns

Insider Hanselman Greg Edwin

Role COO

Type	Security	Shares	Price	Value
holding	Employee Stock Option (right to buy) F1	--	--	--
holding	Common Stock	--	--	--

Holdings After Transaction: Employee Stock Option (right to buy) — 175,072 contracts (Direct); Common Stock — 293,381 shares (Direct)

Footnotes (1)

1. F1. The options vest in three equal annual installments beginning on May 20, 2027.

Key Figures

Direct common shares held: 293,381 shares Underlying shares for employee stock option: 175,072 shares Employee stock option exercise price: $1.64 per share +2 more

5 metrics

Direct common shares held 293,381 shares Direct ownership reported by COO Greg Edwin Hanselman

Underlying shares for employee stock option 175,072 shares Common stock underlying reported employee stock option

Employee stock option exercise price $1.64 per share Exercise price for options expiring May 19, 2036

Employee stock option expiration date May 19, 2036 Expiration date of reported employee stock option

Option vesting start date May 20, 2027 Options vest in three equal annual installments beginning on this date

Key Terms

Employee Stock Option (right to buy), Common Stock, vest in three equal annual installments

3 terms

Employee Stock Option (right to buy) financial

"security_title: Employee Stock Option (right to buy)"

Common Stock financial

"underlying_security_title: Common Stock"

Common stock represents ownership shares in a company, giving investors a stake in its success and a say in important decisions through voting rights. It is the most common type of stock traded on markets and can provide income through dividends, as well as potential for value growth. For investors, holding common stock means sharing in the company’s profits and risks.

vest in three equal annual installments financial

"The options vest in three equal annual installments"

FAQ

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

What insider position did Gevo (GEVO) report for COO Greg Hanselman on Form 3?

COO Greg Edwin Hanselman reported direct ownership of 293,381 shares of Gevo common stock and an employee stock option over 175,072 shares at an exercise price of $1.64 per share, with the option expiring on May 19, 2036.

How many Gevo (GEVO) common shares does the COO directly own?

The COO, Greg Edwin Hanselman, directly owns 293,381 shares of Gevo common stock, as reported in the Form 3 filing for his initial statement of beneficial ownership.

What are the terms of the Gevo (GEVO) stock options held by the COO?

The COO holds an Employee Stock Option for 175,072 shares of Gevo common stock at an exercise price of $1.64 per share, expiring on May 19, 2036. The options vest in three equal annual installments beginning on May 20, 2027.

Does the Gevo (GEVO) Form 3 show recent insider buying or selling?

No. The Form 3 reports holdings only: direct common stock and an employee stock option position. It does not report any recent purchases, sales, or other disposition or acquisition transactions.

When do the Gevo (GEVO) COO’s options start vesting?

The employee stock options held by the COO vest in three equal annual installments, beginning on May 20, 2027, according to the footnote in the Form 3 filing.

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

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Available on EDGAR 08/26/2026 - 05:37 PM EDT Accepted by SEC EDGAR 08/26/2026 - 05:36 PM EDT Learn about SEC filing dates

SEC Form 3

FORM 3

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES

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:			3235-0104
Estimated average burden
hours per response:			0.5

1. Name and Address of Reporting Person^*

Hanselman Greg Edwin

(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. Date of Event Requiring Statement (Month/Day/Year)
08/20/2026

3. Issuer Name and Ticker or Trading Symbol
Gevo, Inc. [ GEVO ]

3a. Foreign Trading Symbol

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

4. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	COO

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 Beneficially Owned
1. Title of Security (Instr. 4)	2. Amount of Securities Beneficially Owned (Instr. 4)	3. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	4. Nature of Indirect Beneficial Ownership (Instr. 5)
Common Stock	293,381	D

Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 4)	2. Date Exercisable and Expiration Date (Month/Day/Year)		3. Title and Amount of Securities Underlying Derivative Security (Instr. 4)		4. Conversion or Exercise Price of Derivative Security	5. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	6. Nature of Indirect Beneficial Ownership (Instr. 5)
	Date Exercisable	Expiration Date	Title	Amount or Number of Shares
Employee Stock Option (right to buy)	(1)	05/19/2036	Common Stock	175,072	$1.64	D

Explanation of Responses:

1. The options vest in three equal annual installments beginning on May 20, 2027.

Remarks:

	/s/ E. Cabell Massey, Attorney-in-Fact	08/26/2026
	** 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 5 (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 3: SEC 1473 (03-26)