David Michael Kettner

CIK: 0002131186

Transaction Breakdown

Open Market Buys (P)1 (25.0%)

High conviction signal

Open Market Sales (S)0 (0.0%)

Position reduction

Option Exercises (M)0 (0.0%)

Derivative conversions

Awards (A)2 (50.0%)

Compensation grants

Other (G, F, J, C, D, …)1 (25.0%)

Gifts, tax withholding, conversions, dispositions to the issuer and other codes

Companies & Roles (1)

GEVO

Gevo, Inc.

Officer

Discretionary Trading P&L

Holdings

Transaction History (4 total)

GEVO
Gevo, Inc.
Aug 21, 2026
Purchase(P)
Direct
12.5K shares at avg. $1.55$19K
GEVO
Gevo, Inc.
May 20, 2026
Award(A)
Direct
133.2K shares-
GEVO
Gevo, Inc.
Apr 1, 2026
Award(A)
Direct
158.3K shares-
GEVO
Gevo, Inc.
Apr 1, 2026
Tax Payment(F)
Direct
27.3K shares at avg. $2.40$65K

		Type	Shares	Price		Ownership
Aug 21, 2026	GEVO Gevo, Inc.	Purchase(P)	12,500	$1.55	$19,369	Direct
May 20, 2026	GEVO Gevo, Inc.	Award(A)	133,232	-	$0	Direct
Apr 1, 2026	GEVO Gevo, Inc.	Award(A)	158,334	-	$0	Direct
Apr 1, 2026	GEVO Gevo, Inc.	Tax Payment(F)	27,278	$2.40	$65,467	Direct

1-4 of 4 transactions

About Kettner David Michael

Kettner David Michael (SEC CIK 0002131186) files insider reports with the SEC as Chief Legal & Emrg Biz Officer of Gevo, Inc. (GEVO).

Signal8 holds 4 ownership filings by Kettner David Michael, all Form 4s, filed between Apr 30, 2026 and Aug 24, 2026. Those filings report 4 transactions, from Apr 1, 2026 to Aug 21, 2026. Signal8's Form 4 history starts in Sep 2024.

The business address on Kettner David Michael's filings is in ENGLEWOOD, CO.

Recent filings by Kettner David Michael

Aug 21, 2026: Open-market purchase of GEVO shares (Form 4, code P).
May 20, 2026: Grant or award of GEVO shares (Form 4, code A).
Apr 1, 2026: Grant or award of GEVO shares (Form 4, code A).
Apr 1, 2026: Tax withholding of GEVO shares (Form 4, code F).

Other insiders filing for Gevo, Inc. (GEVO)

How to read Form 4 transaction codes