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  4. [Form 4] Gevo, Inc. Insider Trading Activity

GEVO insider sale: 5,000 shares at $2.53 via 10b5-1 plan

Filing Impact
(Neutral)
Filing Sentiment
(Negative)
Form Type
4

Rhea-AI Filing Summary

Gevo (GEVO) filed a Form 4 reporting an insider transaction. On 10/20/2025, an officer (Chief Customer Marketing & Brand Officer) sold 5,000 shares of common stock at $2.53 per share pursuant to a Rule 10b5-1 trading plan adopted on November 22, 2024.

Following the sale, the reporting person directly owned 315,620 shares. In addition, 9,795.52 shares were held indirectly via the issuer’s 401(k) plan. Between September 22, 2025 and October 22, 2025, 7.69 shares were disposed of under the 401(k) plan to cover administrative fees.

Positive

  • None.

Negative

  • None.
Insider Shafer Andrew
Role Chief Cust Mkt & Brnd Officer
Sold 5,000 shs ($13K)
Type Security Shares Price Value
Sale Common Stock 5,000 $2.53 $13K
holding Common Stock -- -- --
Holdings After Transaction: Common Stock — 315,620 shares (Direct); Common Stock — 9,795.52 shares (Indirect, By 401(k) Plan)
Footnotes (1)
  1. The reported sales were effected pursuant to a 10b5-1 trading plan adopted by the Reporting Person on November 22, 2024. Between September 22, 2025 and October 22, 2025, the reporting person disposed of 7.69 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 October 22, 2025.
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*
Shafer Andrew
(Last) (First) (Middle)
C/O GEVO, INC. 345 INVERNESS DRIVE SOUTH
BUILDING C, SUITE 310
(Street)
ENGLEWOOD CO 80112
(City) (State) (Zip)
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)
Chief Cust Mkt & Brnd Officer
3. Date of Earliest Transaction (Month/Day/Year)
10/20/2025
4. If Amendment, Date of Original Filed (Month/Day/Year)
 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 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 10/20/2025 S(1) 5,000 D $2.53 315,620 D
Common Stock 9,795.52(2) 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. The reported sales were effected pursuant to a 10b5-1 trading plan adopted by the Reporting Person on November 22, 2024.
2. Between September 22, 2025 and October 22, 2025, the reporting person disposed of 7.69 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 October 22, 2025.
/s/ E. Cabell Massey, Attorney-in-Fact 10/23/2025
** 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.

Source: View Original Filing on SEC EDGAR

FAQ

What did Gevo (GEVO) disclose in this Form 4?

An officer sold 5,000 shares of common stock at $2.53 on 10/20/2025 under a Rule 10b5-1 plan.

Who is the reporting person in the Gevo (GEVO) Form 4?

A company officer serving as Chief Customer Marketing & Brand Officer.

How many shares does the reporting person hold after the transaction?

The officer directly owns 315,620 shares and holds 9,795.52 shares indirectly via a 401(k) plan.

Was the sale under a Rule 10b5-1 plan?

Yes. The sales were effected pursuant to a 10b5-1 trading plan adopted on November 22, 2024.

What was the price per share for the reported sale?

The reported sale price was $2.53 per share.

Were there other share movements reported?

Yes. 7.69 shares were disposed of under the 401(k) plan to cover administrative fees between September 22, 2025 and October 22, 2025.