HELMER MAUREEN O
SEC CIK 1279977 · EDGAR
BoughtSold
Companies
| Ticker | Company | Title | Holding | Bought | Sold | Trades | First | Last |
|---|---|---|---|---|---|---|---|---|
| PLUG | PLUG POWER INC | Dir | 361.3K | — | $161.6K | 26 | 2021-07-15 | 2026-06-11 |
Most active insiders at PLUG, 12 months
| # | Insider | Title | Bought | Sold |
|---|---|---|---|---|
| 1 | Haycraft Benjamin | CSO, GM EMEA | — | $738.5K |
| 2 | HELMER MAUREEN O | Dir | — | $161.6K |
| 3 | Crespo Jose Luis | See Remarks | $87.3K | — |
| 4 | Mahtani Kavita | Dir | — | — |
| 5 | Kenausis Gregory | Dir | — | — |
| 6 | Joggerst Patrick | Dir | — | — |
| 7 | Marsh Andrew | Dir | — | — |
| 8 | Angle Colin M | Dir | — | — |
| 9 | BONNEY MARK J | Dir | — | — |
| 10 | MIDDLETON PAUL B | CFO, Executive VP | — | — |
Transactions 26
| X | Filed | Traded | Ticker | Company | Insider | Title | Type | Price | Qty | Owned | ΔOwn | Value |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| D | 2026-06-16 18:41 | 2026-06-11 | PLUG | PLUG POWER INC | HELMER MAUREEN O | Dir | A - Grant | $0.00 | +39.8K | 361.3K | +12% | $0 |
| T | 2026-06-10 16:05 | 2026-06-08 | PLUG | PLUG POWER INC | HELMER MAUREEN O | Dir | S - Sale | $3.23 | -50.0K | 321.6K | -13% | -$161.6K |
| 2026-01-06 | 2026-01-02 | PLUG | PLUG POWER INC | HELMER MAUREEN O | Dir | A - Grant | $1.97 | +14.0K | 371.6K | +4% | +$27.5K | |
| 2025-10-03 | 2025-10-01 | PLUG | PLUG POWER INC | HELMER MAUREEN O | Dir | A - Grant | $2.33 | +11.8K | 357.6K | +3% | +$27.5K | |
| D | 2025-07-24 | 2025-07-03 | PLUG | PLUG POWER INC | HELMER MAUREEN O | Dir | A - Grant | $0.00 | +76.5K | 345.8K | +28% | $0 |
| 2025-07-03 | 2025-07-01 | PLUG | PLUG POWER INC | HELMER MAUREEN O | Dir | A - Grant | $1.49 | +18.5K | 269.3K | +7% | +$27.5K | |
| 2025-04-03 | 2025-04-01 | PLUG | PLUG POWER INC | HELMER MAUREEN O | Dir | A - Grant | $1.35 | +20.4K | 250.8K | +9% | +$27.5K | |
| 2025-01-06 | 2025-01-02 | PLUG | PLUG POWER INC | HELMER MAUREEN O | Dir | A - Grant | $2.13 | +12.9K | 230.4K | +6% | +$27.5K | |
| 2024-10-03 | 2024-10-01 | PLUG | PLUG POWER INC | HELMER MAUREEN O | Dir | A - Grant | $2.26 | +12.2K | 217.5K | +6% | +$27.5K | |
| 2024-07-03 | 2024-07-01 | PLUG | PLUG POWER INC | HELMER MAUREEN O | Dir | A - Grant | $2.33 | +11.8K | 205.4K | +6% | +$27.5K | |
| D | 2024-06-07 | 2024-06-05 | PLUG | PLUG POWER INC | HELMER MAUREEN O | Dir | A - Grant | $0.00 | +37.4K | 193.6K | +24% | $0 |
| 2024-04-03 | 2024-04-01 | PLUG | PLUG POWER INC | HELMER MAUREEN O | Dir | A - Grant | $3.44 | +7,994 | 156.2K | +5% | +$27.5K | |
| 2024-01-04 | 2024-01-02 | PLUG | PLUG POWER INC | HELMER MAUREEN O | Dir | A - Grant | $4.50 | +3,056 | 148.2K | +2% | +$13.8K | |
| 2023-10-04 | 2023-10-02 | PLUG | PLUG POWER INC | HELMER MAUREEN O | Dir | A - Grant | $7.60 | +1,809 | 145.1K | +1% | +$13.7K | |
| 2023-07-06 | 2023-07-03 | PLUG | PLUG POWER INC | HELMER MAUREEN O | Dir | A - Grant | $10.39 | +1,323 | 143.3K | +0.9% | +$13.7K | |
| D | 2023-06-29 | 2023-06-27 | PLUG | PLUG POWER INC | HELMER MAUREEN O | Dir | A - Grant | $0.00 | +12.1K | 142.0K | +9% | $0 |
| 2023-04-05 | 2023-04-03 | PLUG | PLUG POWER INC | HELMER MAUREEN O | Dir | A - Grant | $11.72 | +1,173 | 129.9K | +0.9% | +$13.7K | |
| 2023-01-05 | 2023-01-03 | PLUG | PLUG POWER INC | HELMER MAUREEN O | Dir | A - Grant | $12.37 | +859 | 128.7K | +0.7% | +$10.6K | |
| 2022-10-05 | 2022-10-03 | PLUG | PLUG POWER INC | HELMER MAUREEN O | Dir | A - Grant | $21.01 | +506 | 127.8K | +0.4% | +$10.6K | |
| D | 2022-07-26 | 2022-06-30 | PLUG | PLUG POWER INC | HELMER MAUREEN O | Dir | A - Grant | $0.00 | +6,789 | 127.3K | +6% | $0 |
| 2022-07-15 | 2022-07-01 | PLUG | PLUG POWER INC | HELMER MAUREEN O | Dir | A - Grant | $16.57 | +641 | 120.5K | +0.5% | +$10.6K | |
| 2022-04-05 | 2022-04-01 | PLUG | PLUG POWER INC | HELMER MAUREEN O | Dir | A - Grant | $28.61 | +371 | 119.9K | +0.3% | +$10.6K | |
| 2022-01-05 | 2022-01-03 | PLUG | PLUG POWER INC | HELMER MAUREEN O | Dir | A - Grant | $28.23 | +376 | 119.5K | +0.3% | +$10.6K | |
| 2021-10-05 | 2021-10-01 | PLUG | PLUG POWER INC | HELMER MAUREEN O | Dir | A - Grant | $25.54 | +416 | 119.1K | +0.4% | +$10.6K | |
| D | 2021-08-19 | 2021-08-16 | PLUG | PLUG POWER INC | HELMER MAUREEN O | Dir | A - Grant | $0.00 | +4,482 | 118.7K | +4% | $0 |
| M | 2021-07-21 | 2021-07-15 | PLUG | PLUG POWER INC | HELMER MAUREEN O | Dir | A - Grant | $34.99 | +607 | 114.2K | +0.5% | +$21.2K |
Purchase Sale Sale after option exercise All abbreviations