🕵️ PLUG Power Inc ($PLUG)
SEC insider & ownership activity, last 12 months · CIK 1093691 · every row links its SEC filing
Over the last 12 months insiders sold $489K against $87K of open-market buying. Haycraft Benjamin sold $328K through a program of 6 sale notices averaging $52K (Sep–Sep). 2 planned sales are pending, the largest $102K (Colin Angle). 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
1 buyer, $87K (1 lots) · 2 sellers, $489K (8 lots)
| Insider | Buys | Bought | Sells | Sold | Last |
|---|---|---|---|---|---|
| Haycraft Benjamin | 0 | – | 7 | $328K | Sep 15, 2026 |
| Maureen Helmer | 0 | – | 1 | $162K | Jun 8, 2026 |
| Crespo Jose Luis | 1 | $87K | 0 | – | Dec 15, 2025 |
5%+ holders
| Holder | Stake | Class | Schedule | Event | |
|---|---|---|---|---|---|
| BlackRock, Inc. | 12.8% | 13G | Jul 29, 2026 | filing ↗ | |
| Vanguard Capital Management | 5.2% | 13G | Apr 30, 2026 | filing ↗ |
Planned insider sales (Form 144)
| Seller | Planned | Approx. sale date | |
|---|---|---|---|
| Haycraft Benjamin | $39K | Sep 15, 2026 | filing ↗ |
| Haycraft Benjamin | $30K | Sep 11, 2026 | filing ↗ |
| Colin Angle | $102K | Sep 9, 2026 | filing ↗ |
| Maureen Helmer | $161K | Jun 8, 2026 | filing ↗ |
| Haycraft Benjamin | $87K | Jan 12, 2026 | filing ↗ |
| George C. McNamee | $139K | Dec 11, 2025 | filing ↗ |
| Haycraft Benjamin | $88K | Dec 10, 2025 | filing ↗ |
| Sanjay Shrestha | $108K | Dec 2, 2025 | filing ↗ |
| Haycraft Benjamin | $29K | Nov 10, 2025 | filing ↗ |
| Haycraft Benjamin | $38K | Oct 10, 2025 | filing ↗ |
Material events (8-K)
| Item | Event date | |
|---|---|---|
| Earnings (2.02) | Aug 10, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Aug 10, 2026 | filing ↗ |
| Material agreement (1.01) | Jul 9, 2026 | filing ↗ |
| Earnings (2.02) | Jul 9, 2026 | filing ↗ |
| Reg FD disclosure (7.01) | Jul 9, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Jul 9, 2026 | filing ↗ |
| Shareholder vote (5.07) | Jun 11, 2026 | filing ↗ |
| Other events (8.01) | Jun 11, 2026 | filing ↗ |
| Reg FD disclosure (7.01) | Jun 11, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Jun 11, 2026 | filing ↗ |
| Officer/director changes (5.02) | Jun 2, 2026 | filing ↗ |
| Earnings (2.02) | May 11, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | May 11, 2026 | filing ↗ |
| Officer/director changes (5.02) | Mar 4, 2026 | filing ↗ |
| Earnings (2.02) | Mar 2, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Mar 2, 2026 | filing ↗ |
| Material agreement (1.01) | Feb 24, 2026 | filing ↗ |
| Other events (8.01) | Feb 24, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Feb 24, 2026 | filing ↗ |
| Charter/bylaw changes (5.03) | Feb 12, 2026 | filing ↗ |
| Shareholder vote (5.07) | Feb 12, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Feb 12, 2026 | filing ↗ |
| Other events (8.01) | Feb 11, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Feb 11, 2026 | filing ↗ |
| Other events (8.01) | Feb 5, 2026 | filing ↗ |
| Shareholder vote (5.07) | Jan 29, 2026 | filing ↗ |
| Other events (8.01) | Jan 29, 2026 | filing ↗ |
| Material agreement (1.01) | Dec 30, 2025 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Dec 30, 2025 | filing ↗ |
| Other events (8.01) | Dec 3, 2025 | filing ↗ |