Shafer Andrew (CIK 1999254) reported 22 SEC Form 4 insider transactions across 1 companies over the past 18 months (most recent 2026-05-29). Recent activity: Sell GEVO (32,667 shares), Buy GEVO (82,895 shares), Buy GEVO (5,550 shares), Sell GEVO (5,550 shares), Buy GEVO (5,550 shares). Source: SEC Form 4.
| Date | Company | Role | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-05-29 | Gevo, Inc. (GEVO) | Chief Mktg Cust & Brnd Officer | Sell | 32,667 | $57,487 |
| 2026-05-22 | Gevo, Inc. (GEVO) | Chief Mktg Cust & Brnd Officer | Buy | 82,895 | $0 |
| 2026-05-01 | Gevo, Inc. (GEVO) | Chief Cust Mkt & Brnd Officer | Buy | 5,550 | $3,940 |
| 2026-05-01 | Gevo, Inc. (GEVO) | Chief Cust Mkt & Brnd Officer | Sell | 5,550 | $11,103 |
| 2026-04-02 | Gevo, Inc. (GEVO) | Chief Cust Mkt & Brnd Officer | Buy | 5,550 | $3,940 |
| 2026-04-02 | Gevo, Inc. (GEVO) | Chief Cust Mkt & Brnd Officer | Sell | 5,550 | $15,027 |
| 2026-03-12 | Gevo, Inc. (GEVO) | Chief Cust Mkt & Brnd Officer | Buy | 5,550 | $3,940 |
| 2026-03-12 | Gevo, Inc. (GEVO) | Chief Cust Mkt & Brnd Officer | Sell | 5,550 | $12,266 |
| 2026-01-21 | Gevo, Inc. (GEVO) | Chief Cust Mkt & Brnd Officer | Sell | 5,000 | $9,950 |
| 2025-12-23 | Gevo, Inc. (GEVO) | Chief Cust Mkt & Brnd Officer | Sell | 5,000 | $10,950 |
| 2025-11-21 | Gevo, Inc. (GEVO) | Chief Cust Mkt & Brnd Officer | Sell | 5,000 | $9,950 |
| 2025-11-04 | Gevo, Inc. (GEVO) | Chief Cust Mkt & Brnd Officer | Sell | 29,797 | $67,937 |
| 2025-10-23 | Gevo, Inc. (GEVO) | Chief Cust Mkt & Brnd Officer | Sell | 5,000 | $12,650 |
| 2025-09-22 | Gevo, Inc. (GEVO) | Chief Cust Mkt & Brnd Officer | Sell | 5,000 | $10,050 |
| 2025-08-21 | Gevo, Inc. (GEVO) | Chief Cust Mkt & Brnd Officer | Sell | 5,000 | $7,900 |
| 2025-07-22 | Gevo, Inc. (GEVO) | Chief Cust Mkt & Brnd Officer | Sell | 5,000 | $7,750 |
| 2025-07-11 | Gevo, Inc. (GEVO) | Chief Cust Mkt & Brnd Officer | Sell | 5,000 | $6,750 |
| 2025-06-11 | Gevo, Inc. (GEVO) | Chief Cust Mkt & Brnd Officer | Buy | 55,728 | $0 |
| 2025-06-02 | Gevo, Inc. (GEVO) | Chief Cust Mkt & Brnd Officer | Sell | 27,538 | $35,249 |
| 2025-05-20 | Gevo, Inc. (GEVO) | Chief Cust Mkt & Brnd Officer | Sell | 5,000 | $5,750 |
| 2025-04-23 | Gevo, Inc. (GEVO) | Chief Cust Mkt & Brnd Officer | Sell | 5,000 | $5,550 |
| 2025-03-26 | Gevo, Inc. (GEVO) | Chief Cust Mkt & Brnd Officer | Sell | 10,000 | $13,300 |
Source: SEC Form 4 filings · as of 2026-05-29