Gevo (GEVO) VP sells shares under 10b5-1 plan for tax withholding

Rhea-AI Filing Summary

Gevo, Inc. VP of Accounting and Treasurer Gendenjamts Davaajargal reported an open-market sale of 4,293 shares of common stock. The shares were sold at a weighted average price of $1.4252 per share to cover tax withholding obligations on the vesting of a restricted stock award.

The sale was carried out under a Rule 10b5-1 trading plan adopted on December 1, 2025, indicating it was pre‑planned. After this transaction, Davaajargal directly holds 108,865 shares of Gevo common stock and indirectly holds 6,792.75 shares through the company’s 401(k) plan, where 2.53 shares were previously disposed to cover administrative fees.

Insider Trade Summary 10b5-1

Net Seller: 4,293 shares ($6,118)

Net Sell 2 txns

Insider Gendenjamts Davaajargal

Role VP Acctg and Treasurer

Sold 4,293 shs ($6K)

Type	Security	Shares	Price	Value
Sale	Common Stock	4,293	$1.4252	$6K
holding	Common Stock	--	--	--

Holdings After Transaction: Common Stock — 108,865 shares (Direct, null); Common Stock — 6,792.75 shares (Indirect, By 401(k) Plan)

Footnotes (1)

1. Represents shares sold by the Reporting Person to cover tax withholding obligations upon vesting of a restricted stock award. The reported sales were effected pursuant to a 10b5-1 trading plan adopted by the Reporting Person on December 1, 2025. The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $1.390 to $1.475 per share, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or to the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote. Between May 20, 2026 and June 12, 2026, the reporting person disposed of 2.53 shares of the issuer's common stock under the issuer's 401(k) plan to cover administrative fees. The information in this report is based on a plan statement dated May 22, 2026.

Key Figures

Shares sold: 4,293 shares Weighted average sale price: $1.4252 per share Direct holdings after transaction: 108,865 shares +3 more

6 metrics

Shares sold 4,293 shares Open-market sale to cover tax withholding

Weighted average sale price $1.4252 per share Common stock sale on June 12, 2026

Direct holdings after transaction 108,865 shares Common stock directly held after sale

Indirect 401(k) holdings after fees 6,792.75 shares Common stock held via 401(k) plan

401(k) shares disposed 2.53 shares Disposed between May 20, 2026 and June 12, 2026 for plan fees

Sale price range $1.390 to $1.475 per share Price range for multiple sale transactions

Key Terms

restricted stock award, Rule 10b5-1 trading plan, weighted average price, 401(k) plan, +1 more

5 terms

restricted stock award financial

"Represents shares sold by the Reporting Person to cover tax withholding obligations 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.

Rule 10b5-1 trading plan regulatory

"The reported sales were effected pursuant to a 10b5-1 trading plan adopted by the Reporting Person on December 1, 2025."

A Rule 10b5-1 trading plan is a pre-arranged schedule that allows company insiders to buy or sell stock at specific times, even if they have inside information. It helps prevent accusations of unfair trading by making these transactions look planned and transparent, rather than sneaky or illegal.

weighted average price financial

"The reported price in Column 4 is a weighted average price."

Weighted average price is the average price of a security where each trade or component is counted according to its size, so bigger trades pull the average more than smaller ones. Think of it like calculating the average cost of a grocery haul where items you bought more of have greater influence on the final per-item cost. Investors use it to understand the true average price paid or received, judge execution quality, and compare trading performance against market movement.

401(k) plan financial

"Between May 20, 2026 and June 12, 2026, the reporting person disposed of 2.53 shares of the issuer's common stock under the issuer's 401(k) plan to cover administrative fees."

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.

administrative fees financial

"disposed of 2.53 shares of the issuer's common stock under the issuer's 401(k) plan to cover administrative fees."

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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).

X

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^*

Gendenjamts Davaajargal

(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)
	VP Acctg and Treasurer

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
06/12/2026

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	06/12/2026		S(1)		4,293	D	$1.4252(2)	108,865	D
Common Stock								6,792.75(3)	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

Explanation of Responses:

1. Represents shares sold by the Reporting Person to cover tax withholding obligations upon vesting of a restricted stock award. The reported sales were effected pursuant to a 10b5-1 trading plan adopted by the Reporting Person on December 1, 2025.

2. The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $1.390 to $1.475 per share, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or to the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

3. Between May 20, 2026 and June 12, 2026, the reporting person disposed of 2.53 shares of the issuer's common stock under the issuer's 401(k) plan to cover administrative fees. The information in this report is based on a plan statement dated May 22, 2026.

Remarks:

	/s/ E. Cabell Massey, Attorney-in-Fact	06/15/2026
	** 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) disclose for Gendenjamts Davaajargal?

Gevo reported that VP of Accounting and Treasurer Gendenjamts Davaajargal sold 4,293 shares of common stock. The sale was an open-market transaction at a weighted average price of $1.4252 per share, primarily to cover tax withholding on a restricted stock award.

Why did Gevo VP Gendenjamts Davaajargal sell 4,293 GEVO shares?

The 4,293 shares were sold to cover tax withholding obligations from the vesting of a restricted stock award. The filing notes that these sales were executed under a pre‑arranged Rule 10b5-1 trading plan adopted on December 1, 2025, indicating routine tax-related activity.

At what price were the Gevo shares sold by VP Gendenjamts Davaajargal?

The reported price is a weighted average of $1.4252 per share. According to the filing, the shares were sold in multiple transactions at prices ranging from $1.390 to $1.475 per share, and detailed trade breakdowns are available upon request from the issuer or the SEC.

How many Gevo shares does Gendenjamts Davaajargal hold after the reported sale?

After the sale, Gendenjamts Davaajargal directly holds 108,865 shares of Gevo common stock. In addition, the filing shows an indirect holding of 6,792.75 shares in the company’s 401(k) plan, reflecting routine plan-related share disposals to cover administrative fees.

What does the Form 4 say about Gevo VP’s 401(k) plan transactions?

The Form 4 states that between May 20, 2026 and June 12, 2026, 2.53 shares of Gevo common stock were disposed of under the issuer’s 401(k) plan. These disposals covered administrative fees, based on a plan statement dated May 22, 2026, and represent indirect holdings adjustments.

Was Gevo VP Davaajargal’s share sale under a Rule 10b5-1 plan?

Yes. The filing specifies that the reported sales to cover tax withholding were effected under a Rule 10b5-1 trading plan. This plan was adopted by Gendenjamts Davaajargal on December 1, 2025, indicating the trades were pre‑scheduled rather than discretionary timing decisions.