GEVO insider sells 43,767 shares reported in Form 144

GEVO reported insider dispositions via a Form 144 notice showing previous sales by Andrew Shafer.

Rhea-AI Filing Summary

GEVO reported insider dispositions via a Form 144 notice showing previous sales by Andrew Shafer. The excerpt lists three Common Stock sales on 04/01/2026 (5,550 shares), 05/01/2026 (5,550 shares), and 05/27/2026 (32,667 shares), and records Restricted Stock Awards of 18,576 shares dated 06/09/2025.

Insights

Securities Compliance Analyst

Form 144 lists multiple past sales by an individual insider; filings notify potential market sales.

Form 144 is a notice required when an affiliate intends to sell restricted or control securities in reliance on Rule 144. The excerpt lists three completed sales by Andrew Shafer with explicit share counts and dates; these are reported dispositions rather than company actions.

Timing and cash‑flow treatment are not stated beyond the sale dates; subsequent trading activity or company filings would clarify whether these were block trades, open‑market sales, or part of a planned program.

Key Figures

Sale on 04/01/2026: 5,550 shares Sale on 05/01/2026: 5,550 shares Sale on 05/27/2026: 32,667 shares +1 more

4 metrics

Sale on 04/01/2026 5,550 shares Common Stock sold by Andrew Shafer

Sale on 05/01/2026 5,550 shares Common Stock sold by Andrew Shafer

Sale on 05/27/2026 32,667 shares Common Stock sold by Andrew Shafer

Restricted Stock Awards 18,576 shares Restricted Stock Awards dated 06/09/2025

Key Terms

Form 144, Restricted Stock Awards, Equity Compensation

3 terms

Form 144 regulatory

"Common Stock | Stifel Nicolaus & Company Inc ... 06/12/2026 | Nasdaq"

Form 144 is a document that investors must file with the government when they plan to sell a large number of shares of a company's stock. It helps ensure transparency so everyone knows how many shares are being sold and when, which can impact the stock's price.

Restricted Stock Awards financial

"Common Stock | 06/09/2025 | Restricted Stock Awards | Issuer"

Restricted stock awards are company shares given to employees or executives that cannot be sold or transferred until certain conditions — like staying with the company for a set time or meeting performance targets — are met, like a gift that is locked in a safe until rules are satisfied. Investors care because these awards tie management’s pay to company performance, can increase the number of shares outstanding when they become tradable (dilution), and may signal expected future selling pressure or commitment to long-term growth.

Equity Compensation financial

"06/12/2026 | Equity Compensation"

Equity compensation is pay given to employees, executives or contractors in the form of company ownership—such as stock, stock options or restricted shares—rather than just cash. It matters to investors because it can align workers' incentives with shareholders (like paying someone in slices of the same pie they help grow), but it also increases the number of shares outstanding and company expenses, affecting ownership percentages and earnings per share.

FAQ

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

What does GEVO's Form 144 filing show about insider sales?

The Form 144 excerpt shows three Common Stock dispositions by Andrew Shafer: 5,550 shares on 04/01/2026, 5,550 shares on 05/01/2026, and 32,667 shares on 05/27/2026. It also lists restricted awards dated 06/09/2025.

Who is the reporting person in the GEVO Form 144 excerpt?

The excerpt identifies Andrew Shafer at an Englewood, CO address as the reporting person for the listed Common Stock dispositions on the specified dates, with exact share counts recorded for each sale.

Are the listed Restricted Stock Awards part of the sales in the filing?

The filing lists Restricted Stock Awards of 18,576 shares dated 06/09/2025 under equity compensation; the excerpt separates these awards from the sales recorded in April and May 2026.

Does the excerpt state how proceeds from the sales were used?

The provided excerpt does not state any use of proceeds or party receiving cash; it records sale dates and share counts only and does not disclose cash‑flow treatment.

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

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Accepted by SEC EDGAR 06/12/2026 - 05:04 PM Learn about SEC filing dates

Form 144 Filer Information	UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 144 NOTICE OF PROPOSED SALE OF SECURITIES PURSUANT TO RULE 144 UNDER THE SECURITIES ACT OF 1933
FORM 144

144: Filer Information

Filer CIK	0001999254
Filer CCC	XXXXXXXX
Is this a LIVE or TEST Filing?	LIVE TEST
Submission Contact Information
Name
Phone
E-Mail Address

144: Issuer Information

Name of Issuer	Gevo, Inc.
SEC File Number	001-35073
Address of Issuer	345 INVERNESS DRIVE SOUTH, BUILDING C Suite 310 ENGLEWOOD COLORADO 80112
Phone	303-858-8358
Name of Person for Whose Account the Securities are To Be Sold	Shafer Andrew
See the definition of "person" in paragraph (a) of Rule 144. Information is to be given not only as to the person for whose account the securities are to be sold but also as to all other persons included in that definition. In addition, information shall be given as to sales by all persons whose sales are required by paragraph (e) of Rule 144 to be aggregated with sales for the account of the person filing this notice.
Relationship to Issuer	Officer

144: Securities Information

Title of the Class of Securities To Be Sold	Name and Address of the Broker	Number of Shares or Other Units To Be Sold	Aggregate Market Value	Number of Shares or Other Units Outstanding	Approximate Date of Sale	Name the Securities Exchange
Common Stock	Stifel Nicolaus & Company Inc 501 N Broadway St. Louis MO 63102	9443	13458.16	243411329	06/12/2026	Nasdaq

Furnish the following information with respect to the acquisition of the securities to be sold and with respect to the payment of all or any part of the purchase price or other consideration therefor:

144: Securities To Be Sold

Title of the Class	Date you Acquired	Nature of Acquisition Transaction	Name of Person from Whom Acquired	Is this a Gift?	Date Donor Acquired	Amount of Securities Acquired	Date of Payment	Nature of Payment *
Common Stock	06/09/2025	Restricted Stock Awards	Issuer			18576	06/12/2026	Equity Compensation

* If the securities were purchased and full payment therefor was not made in cash at the time of purchase, explain in the table or in a note thereto the nature of the consideration given. If the consideration consisted of any note or other obligation, or if payment was made in installments describe the arrangement and state when the note or other obligation was discharged in full or the last installment paid.

Furnish the following information as to all securities of the issuer sold during the past 3 months by the person for whose account the securities are to be sold.

144: Securities Sold During The Past 3 Months

Name and Address of Seller	Title of Securities Sold	Date of Sale	Amount of Securities Sold	Gross Proceeds
Andrew Shafer 345 INVERNESS DRIVE SOUTH BUILDING C SUITE 310 ENGLEWOOD CO 80112	Common Stock	04/01/2026	5550	15027.00
Andrew Shafer 345 INVERNESS DRIVE SOUTH BUILDING C SUITE 310 ENGLEWOOD CO 80112	Common Stock	05/01/2026	5550	11103.00
Andrew Shafer 345 INVERNESS DRIVE SOUTH BUILDING C SUITE 310 ENGLEWOOD CO 80112	Common Stock	05/27/2026	32667	57487.00

144: Remarks and Signature

Remarks
Date of Notice	06/12/2026
Date of Plan Adoption or Giving of Instruction, If Relying on Rule 10b5-1	11/19/2025
ATTENTION:
The person for whose account the securities to which this notice relates are to be sold hereby represents by signing this notice that he does not know any material adverse information in regard to the current and prospective operations of the Issuer of the securities to be sold which has not been publicly disclosed. If such person has adopted a written trading plan or given trading instructions to satisfy Rule 10b5-1 under the Exchange Act, by signing the form and indicating the date that the plan was adopted or the instruction given, that person makes such representation as of the plan adoption or instruction date.
Signature	/s/ James Weimer, as a duly authorized representative of STIFEL, as attorney-in-fact for Andrew Shafer
ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)