GEVO insider buying and SEC filings, explained
Gevo, Inc. · CIK 1392380
Tracked: Forms 3/4/5, 8-K, NT · All filings on sec.gov
Insider activity in the last 12 months
Bought
$96K
Insiders who bought
2
Sold (not marked 10b5-1)
$257K
Planned sales (10b5-1)
$2.3M
Insider purchases and sales, last 12 months
| Traded | Type | What was filed | Source |
|---|---|---|---|
| Sep 3, 2026 | Planned (10b5-1) | Kimberly T Bowron (Chief of Staff) sold 1,221 shares at about $1.71 ($2K), marked as a 10b5-1 plan trade. Holdings down <1% to 684,817 shares. | SEC filing Filed Sep 4, 2026 |
| Sep 3, 2026 | Planned (10b5-1) | Paul D Bloom (CEO and Director) sold 1,514 shares at about $1.71 ($3K), marked as a 10b5-1 plan trade. Holdings down <1% to 1,500,789 shares. | SEC filing Filed Sep 4, 2026 |
| Sep 3, 2026 | Planned (10b5-1) | Patrick R. Gruber (Director) sold 3,333 shares at about $1.70 ($6K), marked as a 10b5-1 plan trade. Holdings down <1% to 3,320,455 shares. | SEC filing Filed Sep 4, 2026 |
| Aug 21, 2026 | Purchase (code P) | David Michael Kettner (Chief Legal & Emrg Biz Officer) bought 12,500 shares at $1.55 ($19K), reported as a purchase (code P). Holdings up 5% to 276,788 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Aug 24, 2026 |
| Aug 21, 2026 | Purchase (code P) | James J Barber (Director) bought 50,000 shares at $1.54 ($77K), reported as a purchase (code P). Holdings up 71% to 120,000 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Aug 24, 2026 |
| Aug 6, 2026 | Planned (10b5-1) | Patrick R. Gruber (Director) sold 247,642 shares at about $1.51 ($374K), marked as a 10b5-1 plan trade. Holdings down 7% to 3,323,788 shares. | SEC filing Filed Aug 7, 2026 |
| Aug 6, 2026 | Planned (10b5-1) | Kimberly T Bowron (Chief of Staff) sold 10,257 shares at about $1.55 ($16K), marked as a 10b5-1 plan trade. Holdings down 1% to 686,038 shares. | SEC filing Filed Aug 7, 2026 |
| Aug 6, 2026 | Planned (10b5-1) | Oluwagbemileke Yusuf Agiri (CFO) sold 18,223 shares at about $1.54 ($28K), marked as a 10b5-1 plan trade. Holdings down 4% to 472,893 shares. | SEC filing Filed Aug 7, 2026 |
| Aug 6, 2026 | Planned (10b5-1) | Paul D Bloom (CEO and Director) sold 31,096 shares at about $1.55 ($48K), marked as a 10b5-1 plan trade. Holdings down 2% to 1,452,303 shares. | SEC filing Filed Aug 7, 2026 |
| Jun 12, 2026 | Planned (10b5-1) | Oluwagbemileke Yusuf Agiri (CFO) sold 63,028 shares at about $1.40 ($88K), marked as a 10b5-1 plan trade. Holdings down 11% to 491,116 shares. | SEC filing Filed Jun 15, 2026 |
| Jun 12, 2026 | Planned (10b5-1) | Davaajargal Gendenjamts (VP Acctg and Treasurer) sold 4,293 shares at about $1.43 ($6K), marked as a 10b5-1 plan trade. Holdings down 4% to 108,865 shares. | SEC filing Filed Jun 15, 2026 |
| Jun 12, 2026 | Planned (10b5-1) | Andrew Shafer (Chief Mktg Cust & Brnd Officer) sold 9,443 shares at about $1.43 ($14K), marked as a 10b5-1 plan trade. Holdings down 3% to 311,608 shares. | SEC filing Filed Jun 15, 2026 |
| Jun 12, 2026 | Planned (10b5-1) | Kimberly T Bowron (Chief of Staff) sold 15,470 shares at about $1.43 ($22K), marked as a 10b5-1 plan trade. Holdings down 2% to 696,295 shares. | SEC filing Filed Jun 15, 2026 |
| Jun 12, 2026 | Planned (10b5-1) | Paul D Bloom (CEO and Director) sold 35,189 shares at about $1.43 ($50K), marked as a 10b5-1 plan trade. Holdings down 2% to 1,483,399 shares. | SEC filing Filed Jun 15, 2026 |
| Jun 12, 2026 | Planned (10b5-1) | Christopher Michael Ryan (President / COO) sold 35,196 shares at about $1.43 ($50K), marked as a 10b5-1 plan trade. Holdings down 3% to 1,279,245 shares. | SEC filing Filed Jun 15, 2026 |
| Jun 12, 2026 | Planned (10b5-1) | Patrick R. Gruber (Director) sold 157,563 shares at about $1.40 ($221K), marked as a 10b5-1 plan trade. Holdings down 4% to 3,571,430 shares. | SEC filing Filed Jun 15, 2026 |
| May 27, 2026 | Planned (10b5-1) | Oluwagbemileke Yusuf Agiri (CFO) sold 31,958 shares at about $1.77 ($57K), marked as a 10b5-1 plan trade. Holdings down 5% to 554,144 shares. | SEC filing Filed May 29, 2026 |
| May 27, 2026 | Planned (10b5-1) | Andrew Shafer (Chief Mktg Cust & Brnd Officer) sold 32,667 shares at about $1.76 ($57K), marked as a 10b5-1 plan trade. Holdings down 9% to 321,051 shares. | SEC filing Filed May 29, 2026 |
| May 27, 2026 | Planned (10b5-1) | Kimberly T Bowron (Chief of Staff) sold 25,101 shares at about $1.76 ($44K), marked as a 10b5-1 plan trade. Holdings down 3% to 711,765 shares. | SEC filing Filed May 29, 2026 |
| May 27, 2026 | Planned (10b5-1) | Paul D Bloom (CEO and Director) sold 75,735 shares at about $1.76 ($133K), marked as a 10b5-1 plan trade. Holdings down 5% to 1,518,588 shares. | SEC filing Filed May 29, 2026 |
| May 27, 2026 | Planned (10b5-1) | Christopher Michael Ryan (President / COO) sold 87,700 shares at about $1.76 ($154K), marked as a 10b5-1 plan trade. Holdings down 6% to 1,314,441 shares. | SEC filing Filed May 29, 2026 |
| May 27, 2026 | Planned (10b5-1) | Patrick R. Gruber (Director) sold 186,469 shares at about $1.76 ($328K), marked as a 10b5-1 plan trade. Holdings down 5% to 3,728,993 shares. | SEC filing Filed May 29, 2026 |
| May 1, 2026 | Planned (10b5-1) | Andrew Shafer (Chief Cust Mkt & Brnd Officer) sold 5,550 shares at about $2.00 ($11K), marked as a 10b5-1 plan trade. Holdings down 2% to 270,823 shares. | SEC filing Filed May 1, 2026 |
| Apr 1, 2026 | Planned (10b5-1) | Andrew Shafer (Chief Cust Mkt & Brnd Officer) sold 5,550 shares at about $2.71 ($15K), marked as a 10b5-1 plan trade. Holdings down 2% to 270,823 shares. | SEC filing Filed Apr 2, 2026 |
| Mar 30–31, 2026 | Planned (10b5-1) | Christopher Michael Ryan (President / COO) sold 129,797 shares between Mar 30 and Mar 31 at about $2.81 ($364K), marked as a 10b5-1 plan trade. Holdings down 8% to 1,402,141 shares. | SEC filing Filed Apr 1, 2026 |
| Mar 12, 2026 | Planned (10b5-1) | Lindsay Clinton Fitzgerald (Chief Public Affairs Officer) sold 20,000 shares at about $2.51 ($50K), marked as a 10b5-1 plan trade. Holdings down 9% to 212,199 shares. | SEC filing Filed Mar 12, 2026 |
| Mar 12, 2026 | Sale | Gary W. Mize (Director) sold 107,100 shares at about $2.34 ($251K). Holdings down 28% to 281,226 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Mar 12, 2026 |
| Mar 10, 2026 | Planned (10b5-1) | Andrew Shafer (Chief Cust Mkt & Brnd Officer) sold 5,550 shares at about $2.21 ($12K), marked as a 10b5-1 plan trade. Holdings down 2% to 270,823 shares. | SEC filing Filed Mar 12, 2026 |
| Jan 20, 2026 | Planned (10b5-1) | Andrew Shafer (Chief Cust Mkt & Brnd Officer) sold 5,000 shares at about $1.99 ($10K), marked as a 10b5-1 plan trade. Holdings down 2% to 270,823 shares. | SEC filing Filed Jan 21, 2026 |
| Dec 22, 2025 | Planned (10b5-1) | Andrew Shafer (Chief Cust Mkt & Brnd Officer) sold 5,000 shares at about $2.19 ($11K), marked as a 10b5-1 plan trade. Holdings down 2% to 275,823 shares. | SEC filing Filed Dec 23, 2025 |
| Dec 4, 2025 | Sale | Davaajargal Gendenjamts (VP Acctg and Treasurer) sold 2,560 shares at about $2.32 ($6K). Holdings down 4% to 60,217 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Dec 5, 2025 |
| Nov 20, 2025 | Planned (10b5-1) | Andrew Shafer (Chief Cust Mkt & Brnd Officer) sold 5,000 shares at about $1.99 ($10K), marked as a 10b5-1 plan trade. Holdings down 2% to 280,823 shares. | SEC filing Filed Nov 21, 2025 |
| Nov 3, 2025 | Planned (10b5-1) | Andrew Shafer (Chief Cust Mkt & Brnd Officer) sold 29,797 shares at about $2.28 ($68K), marked as a 10b5-1 plan trade. Holdings down 9% to 285,823 shares. | SEC filing Filed Nov 4, 2025 |
27 routine transactions (such as grants, option exercises or tax withholding) are not listed.
Cluster buys
2 insiders bought in 30 days
$96K in purchases since Aug 21, 2026 · Purchases traded Aug 21, 2026 to Aug 21, 2026 · Closed
| Insider | Value | Traded | Source |
|---|---|---|---|
| James J Barber (Director) | $77K | Aug 21, 2026 | SEC filing |
| David Michael Kettner (Chief Legal & Emrg Biz Officer) | $19K | Aug 21, 2026 | SEC filing |
Red flags
No red flags in the last 12 months.
Key events
No key events in the last 12 months.
8-K filings, last 12 months
No 8-K filings in the last 12 months.
Red flags are objective triggers only: the item or form filed, never an opinion.
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