STOCK TITAN

Gevo (GEVO) director lifts stake to 120,000 shares

(Neutral)
(Positive)
Form Type
4

Rhea-AI Filing Summary

Gevo, Inc. (GEVO) director James J. Barber reported purchasing 50,000 shares of Gevo common stock on 2026-08-21 at $1.54 per share in an open-market or private transaction. Following this transaction, Barber directly holds 120,000 shares of Gevo common stock.

Positive

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Negative

  • None.
Insider Barber James J
Role Director
Bought 50,000 shs ($77K)
Type Security Shares Price Value
Purchase Common Stock 50,000 $1.54 $77K
Holdings After Transaction: Common Stock — 120,000 shares (Direct)
Shares purchased 50,000 shares of Common Stock Purchase reported on Form 4 for 2026-08-21
Purchase price per share $1.54 per share Price for 50,000-share common stock purchase on 2026-08-21
Shares owned after transaction 120,000 shares Direct holdings of James J. Barber after the reported purchase
Transaction date 2026-08-21 Date of common stock purchase by director James J. Barber
Net buy shares 50,000 shares Net buy direction across all transactions in this Form 4
Form 4 regulatory
"INSIDER FILING DATA (Form 4)"
Form 4 is a official document that company insiders, such as executives or major shareholders, file with regulators whenever they buy or sell company shares. It provides transparency about how those with inside knowledge are trading, helping investors see if insiders are confident in the company's prospects or may be selling for personal reasons. This information can influence investor decisions by revealing insiders' perspectives on the company's value.
Common Stock financial
""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.
Rule 10b5-1 regulatory
"aff_10b5_one is the filing's document-level Rule 10b5-1 checkbox"
Rule 10b5-1 is a regulation that allows company insiders to buy or sell their shares at predetermined times, even if they have access to non-public information. It acts like setting a schedule in advance for transactions, helping prevent accusations of unfair trading. This rule provides a way for insiders to plan trades transparently, giving investors confidence that these transactions are not based on hidden information.
open market or private transaction financial
"transaction_code_description": "Purchase in open market or private transaction""

FAQ

What insider transaction did GEVO report for James J. Barber?

James J. Barber, a director of Gevo, Inc. (GEVO), reported buying 50,000 shares of Gevo common stock on 2026-08-21 at $1.54 per share in a purchase classified as an open market or private transaction.

How many GEVO shares does James J. Barber own after this Form 4 transaction?

After the reported purchase, James J. Barber directly owns 120,000 shares of Gevo, Inc. common stock, according to the Form 4 filing’s post-transaction holdings figure.

Was James J. Barber’s GEVO trade under a Rule 10b5-1 trading plan?

No. The Form 4 indicates the Rule 10b5-1 checkbox is not marked, so this 50,000-share purchase at $1.54 per share was not affirmatively reported as being made under a Rule 10b5-1 trading plan.

What was the price per share in James J. Barber’s GEVO stock purchase?

The reported purchase price was $1.54 per share for 50,000 shares of Gevo, Inc. common stock on 2026-08-21, classified as a purchase in an open market or private transaction.

What type of security did James J. Barber acquire in this GEVO Form 4?

James J. Barber acquired Common Stock of Gevo, Inc., buying 50,000 shares at $1.54 per share, resulting in direct ownership of 120,000 shares after the transaction.

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

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Learn about SEC filing dates
SEC Form 4
FORM 4UNITED 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*
Barber James J

(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)
XDirector10% Owner
Officer (give title below)Other (specify below)
2a. Foreign Trading Symbol
3. Date of Earliest Transaction (Month/Day/Year)
08/21/2026
6. Individual or Joint/Group Filing (Check Applicable Line)
XForm 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)
CodeVAmount(A) or (D)Price
Common Stock08/21/2026P50,000A$1.54120,000D
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)
CodeV(A)(D)Date ExercisableExpiration DateTitleAmount or Number of Shares
Explanation of Responses:
Remarks:
/s/ E. Cabell Massey, Attorney-in-Fact08/24/2026
** Signature of Reporting PersonDate
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)