🕵️ GEVO, Inc. ($GEVO)
SEC insider & ownership activity, last 12 months · CIK 1392380 · every row links its SEC filing
Over the last 12 months insiders sold $3.5M against $96K of open-market buying. Patrick R. Gruber sold $928K through a 10b5-1 trading plan in 4 lots (May–Sep). 3 planned sales are pending, the largest $62K (Ryan Christopher Michael). No red-flag 8-Ks in the window.
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Monthly net open-market insider flow, last 12 months (up = net buying)
Insider flow
2 buyers, $96K (2 lots) · 11 sellers, $3.5M (39 lots)
| Insider | Buys | Bought | Sells | Sold | Last |
|---|---|---|---|---|---|
| Patrick R. Gruber | 0 | – | 4 | $928K | Sep 3, 2026 |
| Ryan Christopher Michael | 0 | – | 5 | $850K | Jun 12, 2026 |
| Paul D. Bloom | 0 | – | 5 | $385K | Sep 3, 2026 |
| Agiri Oluwagbemileke Yusuf | 0 | – | 4 | $342K | Aug 6, 2026 |
| Amorelli Angelo | 0 | – | 1 | $250K | Oct 14, 2025 |
| Gary W. Mize | 0 | – | 1 | $250K | Mar 12, 2026 |
| Shafer Andrew | 0 | – | 11 | $231K | Jun 12, 2026 |
| Battershell Carol Jane | 0 | – | 1 | $153K | Nov 13, 2025 |
| Kimberly T. Bowron | 0 | – | 4 | $84K | Sep 3, 2026 |
| James J. Barber | 1 | $77K | 0 | – | Aug 21, 2026 |
| Fitzgerald Lindsay Clinton | 0 | – | 1 | $50K | Mar 12, 2026 |
| Kettner David Michael | 1 | $19K | 0 | – | Aug 21, 2026 |
| Gendenjamts Davaajargal | 0 | – | 2 | $12K | Jun 12, 2026 |
5%+ holders
| Holder | Stake | Class | Schedule | Event | |
|---|---|---|---|---|---|
| BlackRock, Inc. | 6.7% | 13G | Jul 17, 2025 | filing ↗ | |
| State Street Corporation | 5.5% | 13G | Aug 7, 2026 | filing ↗ |
Planned insider sales (Form 144)
| Seller | Planned | Approx. sale date | |
|---|---|---|---|
| Ryan Christopher Michael | $3K | Sep 3, 2026 | filing ↗ |
| Patrick R. Gruber | $6K | Sep 3, 2026 | filing ↗ |
| Kimberly T. Bowron | $2K | Sep 3, 2026 | filing ↗ |
| Paul D. Bloom | $3K | Sep 3, 2026 | filing ↗ |
| Agiri Oluwagbemileke Yusuf | $28K | Aug 6, 2026 | filing ↗ |
| Patrick R. Gruber | $374K | Aug 6, 2026 | filing ↗ |
| Paul D. Bloom | $48K | Aug 6, 2026 | filing ↗ |
| Ryan Christopher Michael | $62K | Aug 6, 2026 | filing ↗ |
| Fitzgerald Lindsay Clinton | $12K | Aug 6, 2026 | filing ↗ |
| Kimberly T. Bowron | $16K | Aug 6, 2026 | filing ↗ |
| Agiri Oluwagbemileke Yusuf | $88K | Jun 12, 2026 | filing ↗ |
| Paul D. Bloom | $50K | Jun 12, 2026 | filing ↗ |
| Kimberly T. Bowron | $22K | Jun 12, 2026 | filing ↗ |
| Shafer Andrew | $13K | Jun 12, 2026 | filing ↗ |
| Ryan Christopher Michael | $50K | Jun 12, 2026 | filing ↗ |
| Patrick R. Gruber | $225K | Jun 12, 2026 | filing ↗ |
| Fitzgerald Lindsay Clinton | $18K | Jun 12, 2026 | filing ↗ |
| Shafer Andrew | $57K | May 27, 2026 | filing ↗ |
| Ryan Christopher Michael | $154K | May 27, 2026 | filing ↗ |
| Patrick R. Gruber | $328K | May 27, 2026 | filing ↗ |
| Fitzgerald Lindsay Clinton | $17K | May 27, 2026 | filing ↗ |
| Kimberly T. Bowron | $44K | May 27, 2026 | filing ↗ |
| Paul D. Bloom | $133K | May 27, 2026 | filing ↗ |
| Agiri Oluwagbemileke Yusuf | $57K | May 27, 2026 | filing ↗ |
| Ryan Christopher Michael | $551K | Mar 30, 2026 | filing ↗ |
| Fitzgerald Lindsay Clinton | $50K | Mar 12, 2026 | filing ↗ |
| Shafer Andrew | $67K | Mar 10, 2026 | filing ↗ |
| Shafer Andrew | $10K | Jan 20, 2026 | filing ↗ |
| Agiri Oluwagbemileke Yusuf | $169K | Dec 5, 2025 | filing ↗ |
| Battershell Carol Jane | $153K | Nov 13, 2025 | filing ↗ |
| Shafer Andrew | $68K | Nov 3, 2025 | filing ↗ |
| Shafer Andrew | $38K | Oct 20, 2025 | filing ↗ |
| Ryan Christopher Michael | $570K | Oct 15, 2025 | filing ↗ |
| Amorelli Angelo | $250K | Oct 14, 2025 | filing ↗ |
| Paul D. Bloom | $451K | Sep 17, 2025 | filing ↗ |
Material events (8-K)
| Item | Event date | |
|---|---|---|
| Officer/director changes (5.02) | Aug 20, 2026 | filing ↗ |
| Reg FD disclosure (7.01) | Aug 20, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Aug 20, 2026 | filing ↗ |
| Earnings (2.02) | Aug 6, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Aug 6, 2026 | filing ↗ |
| Reg FD disclosure (7.01) | Jul 15, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Jul 15, 2026 | filing ↗ |
| Officer/director changes (5.02) | Jul 13, 2026 | filing ↗ |
| Reg FD disclosure (7.01) | Jul 13, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Jul 13, 2026 | filing ↗ |
| Shareholder vote (5.07) | May 20, 2026 | filing ↗ |
| Earnings (2.02) | May 7, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | May 7, 2026 | filing ↗ |
| Officer/director changes (5.02) | Apr 22, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Apr 22, 2026 | filing ↗ |
| Other events (8.01) | Apr 15, 2026 | filing ↗ |
| Officer/director changes (5.02) | Mar 11, 2026 | filing ↗ |
| Earnings (2.02) | Mar 5, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Mar 5, 2026 | filing ↗ |
| Material agreement (1.01) | Feb 11, 2026 | filing ↗ |
| Agreement terminated (1.02) | Feb 11, 2026 | filing ↗ |
| New financial obligation (2.03) | Feb 11, 2026 | filing ↗ |
| Reg FD disclosure (7.01) | Feb 11, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Feb 11, 2026 | filing ↗ |
| Officer/director changes (5.02) | Jan 1, 2026 | filing ↗ |
| Reg FD disclosure (7.01) | Jan 1, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Jan 1, 2026 | filing ↗ |
| Officer/director changes (5.02) | Dec 9, 2025 | filing ↗ |
| Charter/bylaw changes (5.03) | Dec 9, 2025 | filing ↗ |
| Reg FD disclosure (7.01) | Dec 9, 2025 | filing ↗ |