Clean Energy Fuels Corp. (CLNE) Insider Trading
Over the last 3 months, CLNE insiders made 3 open-market buys and 1 sale, a net sale of -$229K (SEC Form 4). Multiple insiders bought within days of each other (cluster buying). Over the last 6 months, 118 institutions increased and 108 reduced their position (13F).
Insider Activity
Sentiment
27/100
Buys (3m)
3
Sells (3m)
1
Net (3m)
-$228.6K
Insiders buyingCluster buying
Insider trades by month Buys Sells
Mar
Aug
Sep
May
Jun
Aug
Context3-month price -14.5%Institutions reducing (13F)
| Date | Insider | Type | Shares | Price |
|---|---|---|---|---|
| Aug 10, 2026 | Corbus Barclaydirector, officer: PRESIDENT AND CEO | Buy | 25,000 | $1.62 |
| Jun 25, 2026 | Scully Stephendirector | Buy | 25,000 | $1.75 |
| Jun 24, 2026 | Corbus Barclaydirector, officer: PRESIDENT AND CEO | Buy | 14,000 | $1.77 |
| Jun 24, 2026 | Frabotta Bartolomeo A.officer: Chief Operating Officer | Grant | 50,000 | — |
| Jun 12, 2026 | Littlefair Andrew Jdirector | Grant | 67,839 | — |
| Jun 12, 2026 | ARDISANA LIZABETH Adirector | Grant | 67,839 | — |
| Jun 12, 2026 | Ford Patrick Jdirector | Grant | 67,839 | — |
| Jun 12, 2026 | Scully Stephendirector | Grant | 67,839 | — |
| Jun 12, 2026 | Taormina Vincent Cdirector | Grant | 67,839 | — |
| May 19, 2026 | Littlefair Andrew Jdirector | Sell | 165,000 | $2.05 |
| Apr 24, 2026 | Corbus Barclaydirector, officer: CEO AND PRESIDENT | Grant | 166,532 | — |
| Apr 24, 2026 | Littlefair Andrew Jdirector | Grant | 403,255 | — |
| Mar 5, 2026 | Corbus Barclayofficer: SVP, STRATEGIC DEVELOPMENT | Tax | 60,561 | $2.32 |
| Mar 5, 2026 | Littlefair Andrew Jdirector, officer: CEO AND PRESIDENT | Tax | 41,976 | $2.32 |
| Mar 5, 2026 | Vreeland Robert M.officer: CHIEF FINANCIAL OFFICER | Tax | 30,982 | $2.32 |
| Mar 3, 2026 | Vreeland Robert M.officer: CHIEF FINANCIAL OFFICER | Tax | 36,482 | $2.26 |
| Mar 3, 2026 | Vreeland Robert M.officer: CHIEF FINANCIAL OFFICER | Grant | 200,000 | — |
| Mar 3, 2026 | Corbus Barclayofficer: SVP, STRATEGIC DEVELOPMENT | Tax | 31,198 | $2.26 |
| Mar 3, 2026 | Littlefair Andrew Jdirector, officer: CEO AND PRESIDENT | Tax | 25,923 | $2.26 |
| Mar 3, 2026 | Corbus Barclayofficer: SVP, STRATEGIC DEVELOPMENT | Grant | 200,000 | — |
| Mar 3, 2026 | Littlefair Andrew Jdirector, officer: CEO AND PRESIDENT | Grant | 250,000 | — |
| Sep 18, 2025 | Corbus Barclayofficer: SVP, STRATEGIC DEVELOPMENT | Sell | 105,300 | $2.63 |
| Aug 15, 2025 | Littlefair Andrew Jdirector, officer: CEO AND PRESIDENT | Sell | 250,000 | $2.25 |
| May 23, 2025 | ARDISANA LIZABETH Adirector | Grant | 32,258 | — |
| May 23, 2025 | Ford Patrick Jdirector | Grant | 45,112 | $1.86 |
| May 23, 2025 | Ford Patrick Jdirector | Grant | 32,258 | — |
| May 23, 2025 | Taormina Vincent Cdirector | Grant | 45,112 | $1.86 |
| May 23, 2025 | Scully Stephendirector | Grant | 45,112 | $1.86 |
| May 23, 2025 | Scully Stephendirector | Grant | 32,258 | — |
| May 23, 2025 | ARDISANA LIZABETH Adirector | Grant | 45,112 | $1.86 |
Source: CLNE SEC Form 4 filings, latest Aug 10, 2026. For informational purposes only — not investment advice.
Institutional activity (13F)
How institutions changed their CLNE positions over the last 6 months (SEC Form 13F).
Increased
118
New positions
53
Reduced
108
Sold out
109
Largest moves
| Institution | Action | Shares | Filed |
|---|---|---|---|
| BLACKROCK, INC. | Reduced | 15.7M | Feb 12, 2026 |
| BLACKROCK, INC. | Reduced | 15.4M | May 13, 2026 |
| GRANTHAM, MAYO, VAN OTTERLOO & CO. LLC | Reduced | 11.3M | Feb 17, 2026 |
| GRANTHAM, MAYO, VAN OTTERLOO & CO. LLC | Reduced | 11.2M | May 14, 2026 |
| DIMENSIONAL FUND ADVISORS LP | Reduced | 7.4M | Feb 12, 2026 |
| VANGUARD CAPITAL MANAGEMENT LLC | New Position | 7.2M | May 15, 2026 |
| GLOBAL ALPHA CAPITAL MANAGEMENT LTD. | Increased | 7.1M | May 11, 2026 |
| DIMENSIONAL FUND ADVISORS LP | Reduced | 6.5M | May 7, 2026 |
| GLOBAL ALPHA CAPITAL MANAGEMENT LTD. | Reduced | 6.5M | Feb 11, 2026 |
| STATE STREET CORP | Increased | 5.8M | May 15, 2026 |
| STATE STREET CORP | Reduced | 5.2M | Feb 13, 2026 |
| GEODE CAPITAL MANAGEMENT, LLC | Increased | 4.4M | May 15, 2026 |
| GEODE CAPITAL MANAGEMENT, LLC | Increased | 4.3M | Feb 9, 2026 |
| VANGUARD PORTFOLIO MANAGEMENT LLC | New Position | 4.0M | May 8, 2026 |
| D. E. SHAW & CO., INC. | Increased | 3.2M | May 15, 2026 |
Source: SEC Form 13F filings. For informational purposes only — not investment advice.