Gary W. Mize - 18 Aug 2025 Form 4 Insider Report for Gevo, Inc. (GEVO)

Reporting relationship: Director
Issuer ticker: GEVO
Reported as of: 18 Aug 2025
Net transaction value: -$2,750
SEC form: 4
Accepted by SEC: 19 Aug 2025, 18:00:05 UTC
Prior SEC filing: 27 May 2025
Next SEC filing: 12 Mar 2026
Source filing: View source filing
Reporting owner signature: /s/ E. Cabell Massey, Attorney-in-Fact

Key filing fact

Gary W. Mize filed Form 4 for Gevo, Inc. (GEVO) on 19 Aug 2025.

Key facts

This page summarizes Gary W. Mize's Form 4 filing for Gevo, Inc. (GEVO).
3 reported transactions and 1 derivative row are listed below.
Accepted by SEC: 19 Aug 2025, 18:00.

Change

Previous filing in this sequence was filed on 27 May 2025.
Current net transaction value: -$2,750.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0001530501 Primary reporting owner

Mize Gary W.

Relationship: Director
Address: C/O GEVO, INC. 345 INVERNESS DRIVE SOUTH, BUILDING C, SUITE 310, ENGLEWOOD
Signature: /s/ E. Cabell Massey, Attorney-in-Fact
Signature date: 19 Aug 2025

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

GEVO transaction

Common Stock

Options Exercise

Transaction value: $150,508
Shares: +224,639
Change %: +88%
Price: $0.6700
Shares after: 479,785
Date: 18 Aug 2025
Ownership: Direct

GEVO transaction

Common Stock

Sale

Transaction value: $153,258
Shares: -91,459
Change %: -19%
Price: $1.68
Shares after: 388,326
Date: 18 Aug 2025
Ownership: Direct
Footnotes: F1

Reported derivative securities

Options, warrants, convertible securities, or similar derivative positions disclosed in the filing.

GEVO transaction Derivative

Stock Option

Options Exercise

Transaction value: $0
Shares: -224,639
Change %: -100%
Price: $0.000000
Shares after: 0
Date: 18 Aug 2025
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 224,639
Exercise price: $0.6700

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 1 footnote

Footnote F1

The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $1.67 to $1.76 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.