Patrick R. Gruber - 06 Aug 2026 Form 4 Insider Report for Gevo, Inc. (GEVO)

Reporting relationship: Director
Issuer ticker: GEVO
Reported as of: 06 Aug 2026
Net transaction value: -$373,816
SEC form: 4
Accepted by SEC: 07 Aug 2026, 17:22:37 UTC
Prior SEC filing: 15 Jun 2026
Source filing: View source filing
Reporting owner signature: /s/ E. Cabell Massey, Attorney-in-Fact

Key filing fact

Patrick R. Gruber filed Form 4 for Gevo, Inc. (GEVO) on 07 Aug 2026.

Key facts

This page summarizes Patrick R. Gruber's Form 4 filing for Gevo, Inc. (GEVO).
1 reported transaction and 0 derivative rows are listed below.
Accepted by SEC: 07 Aug 2026, 17:22.

Change

Previous filing in this sequence was filed on 15 Jun 2026.
Current net transaction value: -$373,816.

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 0001511369 Primary reporting owner

Gruber Patrick R.

Relationship: Director
Address: GEVO, INC., 345 INVERNESS DRIVE SOUTH, BUILDING C, SUITE 310, ENGLEWOOD
Signature: /s/ E. Cabell Massey, Attorney-in-Fact
Signature date: 07 Aug 2026

Reported non-derivative transactions

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

GEVO transaction

Common Stock

Sale

Transaction value: $373,816
Shares: -247,642
Change %: -6.9%
Price: $1.51
Shares after: 3,323,788
Date: 06 Aug 2026
Ownership: Direct
Footnotes: F1, F2

GEVO holding

Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 25,738
Date: 06 Aug 2026
Ownership: By 401(k) Plan
Footnotes: F3

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

Additional SEC filing notes

Filing notes and footnotes

Rule 10b5-1 trading plan

These transactions were reported as open-market trades under a Rule 10b5-1 plan. The plan lets an insider set trading instructions in advance, which can reduce the risk of trading while in possession of material nonpublic information.

Original filing language: transaction made pursuant to a contract, instruction, or written plan intended to satisfy Rule 10b5-1(c).

Explanation of responses 3 footnotes

Footnote F1

The reported sales were effected pursuant to a 10b5-1 trading plan adopted by the Reporting Person on November 19, 2025.

Footnote F2

The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $1.41 to $1.57 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.

Footnote F3

Between June 12, 2026 and August 6, 2026, the reporting person disposed of 20.24 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 August 5, 2026.