Gevo CEO exercises options for 50,000 shares

Gevo, Inc. director and CEO Paul D. Bloom exercised stock options for 50,000 shares of common stock at an exercise price of $1.1800 per share.

Rhea-AI Filing Summary

Gevo, Inc. director and CEO Paul D. Bloom exercised stock options for 50,000 shares of common stock at an exercise price of $1.1800 per share. Following the transaction, he directly holds 1,502,303 shares of common stock and indirectly holds 28,101.83 shares through a 401(k) plan. After the exercise, 576,618 stock options tied to common stock remain reported as held directly. The exercised options became exercisable in three equal annual installments beginning on June 9, 2026.

Insider Trade Summary

50,000 shares exercised/converted

Exercise 3 txns

Insider Bloom Paul D

Role CEO

Type	Security	Shares	Price	Value
Exercise	Stock Option F1	50,000	$0.00	$0.00
Exercise	Common Stock	50,000	$1.18	$59K
holding	Common Stock	--	--	--

Holdings After Transaction: Stock Option — 576,618 contracts (Direct); Common Stock — 1,502,303 shares (Direct); Common Stock — 28,101.83 shares (Indirect, By 401(k) Plan)

Footnotes (1)

1. F1. The stock options became exercisable in three equal annual installments beginning on June 9, 2026.

Key Figures

Options Exercised: 50000.0000 shares Exercise Price: $1.1800 per share Direct Common Shares After Transaction: 1502303.0000 shares +4 more

7 metrics

Options Exercised 50000.0000 shares Stock options exercised into common stock on 2026-08-13

Exercise Price $1.1800 per share Conversion or exercise price of stock options

Direct Common Shares After Transaction 1502303.0000 shares Total direct common stock holdings following transactions

Remaining Stock Options 576618.0000 options Total stock options held directly after exercise

Indirect 401(k) Holdings 28101.8300 shares Common stock held indirectly by 401(k) Plan

Option Expiration Date 2035-06-08 Expiration date of the reported stock option grant

Vesting Start Date June 9, 2026 Options vest in three equal annual installments beginning on this date

Key Terms

Stock Option, Exercise or conversion of derivative security, 401(k) Plan

3 terms

Stock Option financial

"The filing lists the security title as Stock Option for the derivative entry."

A stock option is a contract that gives you the right to buy or sell a company's stock at a specific price within a certain time frame. People use them to potentially make money if the stock's price moves favorably or to protect against losses. It's like holding a coupon that can be used to buy or sell stock at a set price later on.

Exercise or conversion of derivative security financial

"The transaction code description is Exercise or conversion of derivative security."

401(k) Plan financial

"Indirect ownership nature is described as By 401(k) Plan."

A 401(k) plan is a workplace retirement account that lets employees set aside part of their pay into a tax-advantaged savings pot, often with employers adding matching contributions — like a workplace piggy bank for future income. It matters to investors because the amount people save and how employers fund these plans influence consumer spending, corporate payroll costs and the flow of money into financial markets, which can affect stock prices and company valuations.

FAQ

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

What did Gevo (GEVO) CEO Paul D. Bloom report in this Form 4?

Paul D. Bloom reported exercising stock options for 50,000 shares of Gevo common stock at $1.1800 per share. The transaction converts derivative securities into common shares, increasing his reported direct common stock holdings.

How many Gevo (GEVO) shares does Paul D. Bloom hold after this transaction?

After the reported transactions, Paul D. Bloom directly holds 1,502,303 shares of Gevo common stock and indirectly holds 28,101.83 shares through a 401(k) Plan, as disclosed in the filing’s holding entries.

What options did Gevo (GEVO) CEO Paul D. Bloom exercise and at what price?

He exercised 50,000 stock options, each convertible into one share of Gevo common stock, at an exercise price of $1.1800 per share. These options are derivative securities that were converted into common stock on August 13, 2026.

How many Gevo (GEVO) stock options does Paul D. Bloom still hold after exercising?

Following the option exercise, the filing reports that Paul D. Bloom continues to hold 576,618 stock options (derivative securities) related to Gevo common stock directly, with an expiration date of June 8, 2035 for this option grant.

What does the Form 4 disclose about Gevo (GEVO) CEO’s 401(k) holdings?

The Form 4 lists an indirect holding of 28,101.83 shares of Gevo common stock “By 401(k) Plan”. This entry reflects shares held through a retirement plan rather than directly in his own name.

When did Paul D. Bloom’s Gevo (GEVO) stock options become exercisable?

A footnote states that the stock options became exercisable in three equal annual installments beginning on June 9, 2026. The reported exercise on August 13, 2026 uses options from this vesting schedule.

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

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Available on EDGAR 08/13/2026 - 05:25 PM Accepted by SEC EDGAR 08/13/2026 - 05:25 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^*

Bloom Paul D

(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
X	Officer (give title below)		Other (specify below)
	CEO

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
08/13/2026

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	08/13/2026		M		50,000	A	$1.18	1,502,303	D
Common Stock								28,101.83	I	By 401(k) Plan

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
Stock Option	$1.18	08/13/2026		M			50,000	(1)	06/08/2035	Common Stock	50,000	$0	576,618	D

Explanation of Responses:

1. The stock options became exercisable in three equal annual installments beginning on June 9, 2026.

Remarks:

	/s/ E. Cabell Massey, Attorney-in-Fact	08/13/2026
	** 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)