Gevo (GEVO) director granted 70,000 restricted common shares

Rhea-AI Filing Summary

Guillen Jaime reported acquisition or exercise transactions in this Form 4 filing.

Gevo, Inc. director Jaime Guillen received a grant of 70,000 shares of restricted common stock on May 27, 2026. These shares vest at the earlier of the next annual meeting of stockholders or the first anniversary of the grant, contingent on continued service. Following this award, Guillen directly holds 264,046 common shares.

Insider Trade Summary

1 transaction reported

Mixed 1 txn

Insider Guillen Jaime

Role null

Type	Security	Shares	Price	Value
Grant/Award	Common Stock	70,000	$0.00	--

Holdings After Transaction: Common Stock — 264,046 shares (Direct, null)

Footnotes (1)

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Key Figures

Restricted shares granted: 70,000 shares Shares held after transaction: 264,046 shares Grant price: $0.0000 per share +1 more

4 metrics

Restricted shares granted 70,000 shares Restricted common stock award on May 27, 2026

Shares held after transaction 264,046 shares Total direct Gevo common stock owned after grant

Grant price $0.0000 per share Compensation grant, not open-market purchase

Vesting schedule Earlier of next annual meeting or 1-year Time-based vesting contingent on continuous service

Key Terms

restricted common stock, annual meeting of stockholders, vesting date

3 terms

restricted common stock financial

"Represents restricted common stock that vests on the earlier to occur of"

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.

annual meeting of stockholders financial

"vests on the earlier to occur of the next annual meeting of stockholders"

vesting date financial

"remains in continuous service with the issuer as of the vesting date"

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^*

Guillen Jaime

(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)

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

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
05/27/2026

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)	05/27/2026		A		70,000	A	$0	264,046	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 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.

Remarks:

	/s/ E. Cabell Massey, Attorney-in-Fact	05/29/2026
	** 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 transaction did Gevo (GEVO) director Jaime Guillen report?

Director Jaime Guillen reported receiving 70,000 shares of restricted common stock from Gevo as a grant. The award is compensation-related, carries no purchase price, and increases his direct holdings to 264,046 common shares after the transaction.

When was the latest Gevo (GEVO) restricted stock grant to director Jaime Guillen made?

The restricted stock grant to director Jaime Guillen was made on May 27, 2026. On that date he received 70,000 restricted common shares, which increased his total direct ownership position in Gevo to 264,046 common shares after the award.

How many Gevo (GEVO) shares does director Jaime Guillen hold after this Form 4 filing?

After the reported grant, director Jaime Guillen holds 264,046 shares of Gevo common stock directly. This reflects the addition of 70,000 restricted shares awarded as compensation, which are subject to vesting conditions tied to time and continued board service.

What are the vesting terms of Jaime Guillen’s restricted Gevo (GEVO) stock?

The 70,000 restricted Gevo shares vest on the earlier of the next annual meeting of stockholders or the first anniversary of the grant date. Vesting requires that Jaime Guillen remain in continuous service with Gevo through the applicable vesting date.

Did Jaime Guillen buy or sell Gevo (GEVO) shares in this Form 4?

This Form 4 shows an acquisition through a stock grant, not a market trade. Jaime Guillen received 70,000 restricted shares as compensation at zero price, with no reported open-market buying or selling activity in this particular filing.

Is the Gevo (GEVO) restricted stock grant to Jaime Guillen tied to performance targets?

The filing describes the 70,000-share award as restricted common stock with time-based vesting. It vests based on the earlier of the next annual stockholder meeting or the first anniversary of grant, contingent on continued service, with no performance targets mentioned.