As of March 23, 2026, Gevo's top three insider holders are Patrick R. Gruber (Chief Executive Officer, 3.85Mn shares), Christopher Michael Ryan (President Coo, 1.53Mn shares), L Lynn Smull (Evp, 1.10Mn shares).
| Holder | Position | Shares (Direct) | Shares (Indirect) | Report Date |
|---|---|---|---|---|
| Patrick R. Gruber | Chief Executive Officer | 3,845,462 | 0 | 05 Sep, 2025 |
| Christopher Michael Ryan | President Coo | 1,531,938 | 0 | 15 Oct, 2025 |
| L Lynn Smull | Evp | 1,102,131 | 0 | 06 Aug, 2025 |
| Geoffrey Thomas Jr. Williams | Vp General Counsel Secretary | 455,530 | 0 | 04 Aug, 2023 |
| Carolyn Romero | Chief Accounting Officer | 325,168 | 0 | 24 Aug, 2021 |
| Gary W. Mize | 281,226 | 0 | 12 Mar, 2026 | |
| Andrew Marsh | 273,669 | 0 | 25 Aug, 2023 | |
| Andrew Shafer | Chief Cust Mkt Brnd Officer | 270,823 | 0 | 12 Mar, 2026 |
| Lindsay Clinton Fitzgerald | Chief Public Affairs Officer | 212,199 | 0 | 12 Mar, 2026 |
| Jaime Guillen | 194,046 | 0 | 25 May, 2023 | |
| Alisher K Nurmat | Vp And Treasurer | 192,476 | 0 | 07 Aug, 2024 |
| L Lynn Smull | Evp | 0 | 18,098 | 08 Jul, 2025 |
* Please note that the shares above only reflect shares from the fund portfolio and the institutional portfolio. Shares from the personal portfolio are excluded from this Institutional Ownership Page. See these insiders' latest transactions here on Insider Page.
| Transaction Date | Insider Name | Security Class | Transaction Type | Shares Traded | Price | Shares Remaining | Ownership | Code |
|---|---|---|---|---|---|---|---|---|
| 12 Mar, 2026 | Gary W. Mize | Common Stock | D | 107,100 | $2.34 | 281,226 | D | S |
| 10 Mar, 2026 | Andrew Shafer | Common Stock | A | 5,550 | $0.71 | 276,373 | D | M |
| 12 Mar, 2026 | Lindsay Clinton Fitzgerald | Common Stock | D | 20,000 | $2.51 | 212,199 | D | S |
| 10 Mar, 2026 | Andrew Shafer | Common Stock | D | 5,550 | $2.21 | 270,823 | D | S |
| 10 Mar, 2026 | Andrew Shafer | Stock Option | A | 5,550 | $0.00 | 196,950 | D | M |
| 20 Jan, 2026 | Andrew Shafer | Common Stock | D | 5,000 | $1.99 | 270,823 | D | S |
| 22 Dec, 2025 | Andrew Shafer | Common Stock | D | 5,000 | $2.19 | 275,823 | D | S |
| 20 Nov, 2025 | Andrew Shafer | Common Stock | D | 5,000 | $1.99 | 280,823 | D | S |
| 03 Nov, 2025 | Andrew Shafer | Common Stock | D | 29,797 | $2.28 | 285,823 | D | S |
| 20 Oct, 2025 | Andrew Shafer | Common Stock | D | 5,000 | $2.53 | 315,620 | D | S |
| 15 Oct, 2025 | Christopher Michael Ryan | Common Stock | D | 100,000 | $2.82 | 1,531,938 | D | S |
| 22 Sep, 2025 | Andrew Shafer | Common Stock | D | 5,000 | $2.01 | 320,620 | D | S |
| 04 Sep, 2025 | Patrick R. Gruber | Common Stock | D | 1,642 | $1.63 | 3,845,462 | D | S |
| 04 Sep, 2025 | Christopher Michael Ryan | Common Stock | D | 1,683 | $1.63 | 1,631,938 | D | S |
| 20 Aug, 2025 | Andrew Shafer | Common Stock | D | 5,000 | $1.58 | 325,620 | D | S |
| 18 Aug, 2025 | Gary W. Mize | Common Stock | A | 224,639 | $0.67 | 479,785 | D | M |
| 18 Aug, 2025 | Gary W. Mize | Common Stock | D | 91,459 | $1.68 | 388,326 | D | S |
| 18 Aug, 2025 | Gary W. Mize | Stock Option | D | 224,639 | $0.00 | 0 | D | M |
| 05 Aug, 2025 | Christopher Michael Ryan | Common Stock | D | 42,499 | $1.23 | 1,633,621 | D | S |
| 05 Aug, 2025 | Patrick R. Gruber | Common Stock | D | 116,060 | $1.23 | 3,847,104 | D | S |