Gevo, Inc. (GEVO) Insider Trading
Over the last 3 months, GEVO insiders made 2 open-market buys and 11 sales, a net sale of -$820K (SEC Form 4). Multiple insiders bought within days of each other (cluster buying). Over the last 6 months, 107 institutions increased and 90 reduced their position (13F).
Insider Activity
Sentiment
9/100
Buys (3m)
2
Sells (3m)
11
Net (3m)
-$820.3K
Insiders buyingCluster buying
Insider trades by month Buys Sells
Jan
Mar
Apr
May
Jun
Aug
Context3-month price -10.3%Institutions accumulating (13F)
| Date | Insider | Type | Shares | Price |
|---|---|---|---|---|
| Aug 24, 2026 | Barber James Jdirector | Buy | 50,000 | $1.54 |
| Aug 24, 2026 | Kettner David Michaelofficer: Chief Legal & Emrg Biz Officer | Buy | 12,500 | $1.55 |
| Aug 24, 2026 | Werpy Todd Allendirector | Grant | 62,583 | — |
| Aug 13, 2026 | Bloom Paul Ddirector, officer: CEO | Option | 50,000 | $1.18 |
| Aug 7, 2026 | Bowron Kimberly Tofficer: Chief of Staff | Sell | 10,257 | $1.55 |
| Aug 7, 2026 | Agiri Oluwagbemileke Yusufofficer: CFO | Sell | 18,223 | $1.54 |
| Aug 7, 2026 | Gruber Patrick R.director | Sell | 247,642 | $1.51 |
| Aug 7, 2026 | Bloom Paul Ddirector, officer: CEO | Sell | 31,096 | $1.55 |
| Jun 15, 2026 | Agiri Oluwagbemileke Yusufofficer: CFO | Sell | 63,028 | $1.40 |
| Jun 15, 2026 | Bloom Paul Ddirector, officer: CEO | Sell | 35,189 | $1.43 |
| Jun 15, 2026 | Gendenjamts Davaajargalofficer: VP Acctg and Treasurer | Sell | 4,293 | $1.43 |
| Jun 15, 2026 | Bowron Kimberly Tofficer: Chief of Staff | Sell | 15,470 | $1.43 |
| Jun 15, 2026 | Shafer Andrewofficer: Chief Mktg Cust & Brnd Officer | Sell | 9,443 | $1.43 |
| Jun 15, 2026 | Ryan Christopher Michaelofficer: President & COO | Sell | 35,196 | $1.43 |
| Jun 15, 2026 | Gruber Patrick R.director | Sell | 157,563 | $1.40 |
| May 29, 2026 | Marsh Andrewdirector | Grant | 70,000 | — |
| May 29, 2026 | Agiri Oluwagbemileke Yusufofficer: CFO | Sell | 31,958 | $1.77 |
| May 29, 2026 | Mize Gary W.director | Grant | 70,000 | — |
| May 29, 2026 | Guillen Jaimedirector | Grant | 70,000 | — |
| May 29, 2026 | Gruber Patrick R.director | Grant | 70,000 | — |
| May 29, 2026 | Barber James Jdirector | Grant | 70,000 | — |
| May 29, 2026 | Bloom Paul Ddirector, officer: CEO | Sell | 75,735 | $1.76 |
| May 29, 2026 | Ryan Christopher Michaelofficer: President & COO | Sell | 87,700 | $1.76 |
| May 29, 2026 | Gruber Patrick R.director | Sell | 186,469 | $1.76 |
| May 29, 2026 | BAUM WILLIAM Hdirector | Grant | 80,893 | $1.80 |
| May 29, 2026 | Shafer Andrewofficer: Chief Mktg Cust & Brnd Officer | Sell | 32,667 | $1.76 |
| May 29, 2026 | Ellet Mary Kathryndirector | Grant | 70,000 | — |
| May 29, 2026 | Bowron Kimberly Tofficer: Chief of Staff | Sell | 25,101 | $1.76 |
| May 22, 2026 | Shafer Andrewofficer: Chief Mktg Cust & Brnd Officer | Grant | 95,778 | $1.64 |
| May 22, 2026 | Agiri Oluwagbemileke Yusufofficer: CFO | Grant | 352,258 | $1.64 |
Source: GEVO SEC Form 4 filings, latest Aug 24, 2026. For informational purposes only — not investment advice.
Institutional activity (13F)
How institutions changed their GEVO positions over the last 6 months (SEC Form 13F).
Increased
107
New positions
48
Reduced
90
Sold out
28
Largest moves
| Institution | Action | Shares | Filed |
|---|---|---|---|
| BlackRock, Inc. | Increased | 18.3M | Aug 7, 2026 |
| BLACKROCK, INC. | Reduced | 17.3M | May 13, 2026 |
| STATE STREET CORP | Increased | 13.4M | Aug 7, 2026 |
| VANGUARD CAPITAL MANAGEMENT LLC | Increased | 10.3M | Aug 13, 2026 |
| VANGUARD CAPITAL MANAGEMENT LLC | New Position | 10.1M | May 15, 2026 |
| STATE STREET CORP | Increased | 9.1M | May 15, 2026 |
| GEODE CAPITAL MANAGEMENT, LLC | Increased | 6.3M | Aug 12, 2026 |
| GEODE CAPITAL MANAGEMENT, LLC | Increased | 5.9M | May 15, 2026 |
| Invesco Ltd. | Increased | 5.6M | Aug 14, 2026 |
| VANGUARD PORTFOLIO MANAGEMENT LLC | Increased | 5.5M | Aug 13, 2026 |
| VANGUARD PORTFOLIO MANAGEMENT LLC | New Position | 5.1M | May 8, 2026 |
| GOLDMAN SACHS GROUP INC | Reduced | 3.9M | May 15, 2026 |
| NUVEEN, LLC | Reduced | 3.6M | Apr 30, 2026 |
| INVESCO LTD. | Reduced | 3.3M | May 12, 2026 |
| UBS Group AG | Increased | 3.3M | Aug 13, 2026 |
Source: SEC Form 13F filings. For informational purposes only — not investment advice.