Real time insider trading transaction history:
- Insiders are prohibited from making short-swing profits by trading their shares within 6 months of the registration or acquiring the shares.
- Shares are not adjusted for stock split.
"Insiders might sell their shares for any number of reasons, but they buy them for only one: they think the price will rise"
- Peter Lynch
What is insider trading>>
- Peter Lynch
What is insider trading>>
Common stock purchase or sale:
| Transaction Date | Reported DateTime | Company | Symbol | Insider Relationship | Shares Traded | Average Price | Total Amount | Shares Owned | Filing |
| 2020-12-17 Sale | 2020-12-21 4:02 pm | PLUG POWER INC | PLUG | HELMER MAUREEN O Director | 10,000 | $30 | $300,000 | 113,398 (Direct) | View |
Stock options: Exercise, Award, Grant, Conversion
| Transaction Date | Reported DateTime | Exercisable Expiration | Company | Symnbol | Insider Relationship | Shares Traded | Conversion Price | Shares Owned | Filing |
| 2025-10-01 Option Award | 2025-10-03 4:34 pm | N/A N/A | PLUG POWER INC | PLUG | HELMER MAUREEN O Director | 11,803 | $2.33 | 357,606 (Direct) | View |
| 2025-07-03 Option Award | 2025-07-24 4:18 pm | N/A 2035-07-03 | PLUG POWER INC | PLUG | HELMER MAUREEN O Director | 76,531 | $0 | 422,334 (Direct) | View |
| 2025-07-01 Option Award | 2025-07-03 4:32 pm | N/A N/A | PLUG POWER INC | PLUG | HELMER MAUREEN O Director | 18,456 | $1.49 | 269,272 (Direct) | View |
| 2025-04-01 Option Award | 2025-04-03 4:08 pm | N/A N/A | PLUG POWER INC | PLUG | HELMER MAUREEN O Director | 20,370 | $1.35 | 250,816 (Direct) | View |
| 2025-01-02 Option Award | 2025-01-06 4:02 pm | N/A N/A | PLUG POWER INC | PLUG | HELMER MAUREEN O Director | 12,911 | $2.13 | 230,446 (Direct) | View |
| 2024-10-01 Option Award | 2024-10-03 4:02 pm | N/A N/A | PLUG POWER INC | PLUG | HELMER MAUREEN O Director | 12,168 | $2.26 | 217,535 (Direct) | View |
| 2024-07-01 Option Award | 2024-07-03 4:09 pm | N/A N/A | PLUG POWER INC | PLUG | HELMER MAUREEN O Director | 11,803 | $2.33 | 205,367 (Direct) | View |
| 2024-06-05 Option Award | 2024-06-07 4:31 pm | N/A 2034-06-05 | PLUG POWER INC | PLUG | HELMER MAUREEN O Director | 37,375 | $0 | 230,939 (Direct) | View |
| 2024-04-01 Option Award | 2024-04-03 7:26 pm | N/A N/A | PLUG POWER INC | PLUG | HELMER MAUREEN O Director | 7,994 | $3.44 | 156,189 (Direct) | View |
| 2024-01-02 Option Award | 2024-01-04 4:03 pm | N/A N/A | PLUG POWER INC | PLUG | HELMER MAUREEN O Director | 3,056 | $4.5 | 148,195 (Direct) | View |
| 2023-10-02 Option Award | 2023-10-04 4:22 pm | N/A N/A | PLUG POWER INC | PLUG | HELMER MAUREEN O Director | 1,809 | $7.6 | 145,139 (Direct) | View |
| 2023-07-03 Option Award | 2023-07-06 5:26 pm | N/A N/A | PLUG POWER INC | PLUG | HELMER MAUREEN O Director | 1,323 | $10.39 | 143,330 (Direct) | View |
| 2023-06-27 Option Award | 2023-06-29 4:01 pm | N/A 2033-06-27 | PLUG POWER INC | PLUG | HELMER MAUREEN O Director | 12,149 | $0 | 154,156 (Direct) | View |
| 2023-04-03 Option Award | 2023-04-05 4:03 pm | N/A N/A | PLUG POWER INC | PLUG | HELMER MAUREEN O Director | 1,173 | $11.72 | 129,858 (Direct) | View |
| 2023-01-03 Option Award | 2023-01-05 4:00 pm | N/A N/A | PLUG POWER INC | PLUG | HELMER MAUREEN O Director | 859 | $12.37 | 128,685 (Direct) | View |
| 2022-10-03 Option Award | 2022-10-05 4:27 pm | N/A N/A | PLUG POWER INC | PLUG | HELMER MAUREEN O Director | 506 | $21.01 | 127,826 (Direct) | View |
| 2022-06-30 Option Award | 2022-07-26 4:10 pm | N/A 2032-06-30 | PLUG POWER INC | PLUG | HELMER MAUREEN O Director | 6,789 | $0 | 134,109 (Direct) | View |
| 2022-07-01 Option Award | 2022-07-15 4:03 pm | N/A N/A | PLUG POWER INC | PLUG | HELMER MAUREEN O Director | 641 | $16.57 | 120,531 (Direct) | View |
| 2022-04-01 Option Award | 2022-04-05 4:01 pm | N/A N/A | PLUG POWER INC | PLUG | HELMER MAUREEN O Director | 371 | $28.61 | 119,890 (Direct) | View |
| 2022-01-03 Option Award | 2022-01-05 4:29 pm | N/A N/A | PLUG POWER INC | PLUG | HELMER MAUREEN O Director | 376 | $28.23 | 119,519 (Direct) | View |
| 2021-10-01 Option Award | 2021-10-05 4:02 pm | N/A N/A | PLUG POWER INC | PLUG | HELMER MAUREEN O Director | 416 | $25.54 | 119,143 (Direct) | View |
| 2021-08-16 Option Award | 2021-08-19 6:52 pm | N/A 2031-08-16 | PLUG POWER INC | PLUG | HELMER MAUREEN O Director | 4,482 | $0 | 123,209 (Direct) | View |
| 2021-07-15 Option Award | 2021-07-21 9:24 pm | N/A N/A | PLUG POWER INC | PLUG | HELMER MAUREEN O Director | 296 | $35.84 | 114,245 (Direct) | View |
| 2021-07-15 Option Award | 2021-07-21 9:24 pm | N/A N/A | PLUG POWER INC | PLUG | HELMER MAUREEN O Director | 311 | $34.19 | 114,245 (Direct) | View |
| 2021-01-04 Option Award | 2021-01-06 7:54 pm | N/A N/A | PLUG POWER INC | PLUG | HELMER MAUREEN O Director | 240 | $0 | 113,638 (Direct) | View |