GEVO's three largest insider shareholders as of May 04, 2026 are Patrick R. Gruber (Chief Executive Officer, 3.85Mn shares), Christopher Michael Ryan (President Coo, 1.40Mn 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 | 1,402,141 | 0 | 01 Apr, 2026 |
| L Lynn Smull | Evp | 1,102,131 | 0 | 06 Aug, 2025 |
| Timothy J Cesarek | Chief Commercial Officer | 946,304 | 0 | 25 Aug, 2023 |
| Paul D Bloom | Chief Business Officer | 923,591 | 0 | 18 Sep, 2025 |
| Kimberly T Bowron | Chief People And It Officer | 481,226 | 0 | 05 Sep, 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 |
| Oluwagbemileke Yusuf Agiri | Cfo | 281,224 | 0 | 05 Jan, 2026 |
| Carol Jane Battershell | - | 278,265 | 0 | 14 Nov, 2025 |
| Andrew Shafer | Chief Cust Mkt Brnd Officer | 270,823 | 0 | 02 Apr, 2026 |
| Ruth Dreessen | - | 245,532 | 0 | 07 Jun, 2022 |
| William H Baum | - | 218,679 | 0 | 25 Aug, 2023 |
| 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 |
| Davaajargal Gendenjamts | Vp Acctg And Treasurer | 60,217 | 0 | 05 Dec, 2025 |
| L Lynn Smull | Evp | 0 | 18,098 | 08 Jul, 2025 |
| Angelo Amorelli | - | 2,942 | 0 | 15 Oct, 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 |
|---|---|---|---|---|---|---|---|---|
| 01 Apr, 2026 | Andrew Shafer | Common Stock | A | 5,550 | $0.71 | 276,373 | D | M |
| 01 Apr, 2026 | Andrew Shafer | Common Stock | D | 5,550 | $2.71 | 270,823 | D | S |
| 01 Apr, 2026 | Andrew Shafer | Stock Option | D | 5,550 | $0.00 | 191,400 | D | M |
| 30 Mar, 2026 | Christopher Michael Ryan | Common Stock | D | 100,000 | $2.76 | 1,431,938 | D | S |
| 31 Mar, 2026 | Christopher Michael Ryan | Common Stock | D | 29,797 | $2.96 | 1,402,141 | D | S |
| 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 |
| 01 Jan, 2026 | Oluwagbemileke Yusuf Agiri | Common Stock | A | 10,000 | $0.00 | 281,224 | D | A |
| 22 Dec, 2025 | Andrew Shafer | Common Stock | D | 5,000 | $2.19 | 275,823 | D | S |
| 05 Dec, 2025 | Oluwagbemileke Yusuf Agiri | Common Stock | A | 36,446 | $1.59 | 312,550 | D | M |
| 05 Dec, 2025 | Oluwagbemileke Yusuf Agiri | Common Stock | A | 31,958 | $0.71 | 344,508 | D | M |
| 05 Dec, 2025 | Oluwagbemileke Yusuf Agiri | Common Stock | D | 73,284 | $2.31 | 271,224 | D | S |
| 05 Dec, 2025 | Oluwagbemileke Yusuf Agiri | Stock Option | A | 36,446 | $0.00 | 18,223 | D | M |
| 05 Dec, 2025 | Oluwagbemileke Yusuf Agiri | Stock Option | A | 31,958 | $0.00 | 63,917 | D | M |
| 04 Dec, 2025 | Davaajargal Gendenjamts | Common Stock | D | 2,560 | $2.32 | 60,217 | D | S |
| 20 Nov, 2025 | Andrew Shafer | Common Stock | D | 5,000 | $1.99 | 280,823 | D | S |