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 |
| 2020-12-14 Sale | 2020-12-16 4:46 pm | PLUG POWER INC | PLUG | HELMER MAUREEN O Director | 15,311 | $26.13 | $400,111 | 123,398 (Direct) | View |
| 2020-10-05 Sale | 2020-10-07 4:00 pm | PLUG POWER INC | PLUG | HELMER MAUREEN O Director | 35,000 | $15 | $525,000 | 138,709 (Direct) | View |
| 2020-09-18 Sale | 2020-09-22 4:03 pm | PLUG POWER INC | PLUG | HELMER MAUREEN O Director | 75,000 | $13.28 | $996,233 | 173,103 (Direct) | View |
| 2020-06-23 Sale | 2020-06-25 8:45 pm | PLUG POWER INC | PLUG | HELMER MAUREEN O Director | 150,164 | $6.2901 | $944,547 | 247,113 (Direct) | View |
| 2020-04-16 Sale | 2020-04-20 4:30 pm | PLUG POWER INC | PLUG | HELMER MAUREEN O Director | 115,000 | $4.2861 | $492,902 | 234,306 (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 |
| 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 | 311 | $34.19 | 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 | 296 | $35.84 | 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 |
| 2020-10-01 Option Award | 2020-10-05 5:46 pm | N/A N/A | PLUG POWER INC | PLUG | HELMER MAUREEN O Director | 606 | $0 | 173,709 (Direct) | View |
| 2020-07-01 Option Award | 2020-07-06 4:03 pm | N/A N/A | PLUG POWER INC | PLUG | HELMER MAUREEN O Director | 990 | $0 | 248,103 (Direct) | View |
| 2020-06-23 Exercise | 2020-06-25 8:45 pm | N/A N/A | PLUG POWER INC | PLUG | HELMER MAUREEN O Director | 10,000 | $0.38 | 247,113 (Direct) | View |
| 2020-06-23 Exercise | 2020-06-25 8:45 pm | N/A N/A | PLUG POWER INC | PLUG | HELMER MAUREEN O Director | 30,000 | $1.76 | 247,113 (Direct) | View |
| 2020-06-23 Exercise | 2020-06-25 8:45 pm | N/A N/A | PLUG POWER INC | PLUG | HELMER MAUREEN O Director | 29,621 | $2.11 | 247,113 (Direct) | View |
| 2020-06-23 Exercise | 2020-06-25 8:45 pm | N/A 2021-05-12 | PLUG POWER INC | PLUG | HELMER MAUREEN O Director | 150,164 | $0 | 247,113 (Direct) | View |
| 2020-06-23 Exercise | 2020-06-25 8:45 pm | N/A N/A | PLUG POWER INC | PLUG | HELMER MAUREEN O Director | 30,000 | $2.62 | 247,113 (Direct) | View |
| 2020-06-23 Exercise | 2020-06-25 8:45 pm | N/A N/A | PLUG POWER INC | PLUG | HELMER MAUREEN O Director | 29,343 | $2.13 | 247,113 (Direct) | View |
| 2020-06-23 Exercise | 2020-06-25 8:45 pm | N/A N/A | PLUG POWER INC | PLUG | HELMER MAUREEN O Director | 1,200 | $5.1 | 247,113 (Direct) | View |
| 2020-06-23 Exercise | 2020-06-25 8:45 pm | N/A N/A | PLUG POWER INC | PLUG | HELMER MAUREEN O Director | 10,000 | $1.22 | 247,113 (Direct) | View |
| 2020-06-23 Exercise | 2020-06-25 8:45 pm | N/A N/A | PLUG POWER INC | PLUG | HELMER MAUREEN O Director | 10,000 | $5.63 | 247,113 (Direct) | View |
| 2020-06-05 Option Award | 2020-06-09 5:51 pm | N/A 2030-06-05 | PLUG POWER INC | PLUG | HELMER MAUREEN O Director | 12,807 | $0 | 259,920 (Direct) | View |
| 2020-04-16 Exercise | 2020-04-20 4:30 pm | N/A 2021-09-20 | PLUG POWER INC | PLUG | HELMER MAUREEN O Director | 65,000 | $0 | 234,306 (Direct) | View |
| 2020-04-16 Exercise | 2020-04-20 4:30 pm | N/A N/A | PLUG POWER INC | PLUG | HELMER MAUREEN O Director | 65,000 | $1.93 | 234,306 (Direct) | View |
| 2020-04-01 Option Award | 2020-04-03 4:30 pm | N/A N/A | PLUG POWER INC | PLUG | HELMER MAUREEN O Director | 2,295 | $3.54 | 284,306 (Direct) | View |
| 2020-01-02 Option Award | 2020-01-06 4:58 pm | N/A N/A | PLUG POWER INC | PLUG | HELMER MAUREEN O Director | 2,571 | $3.16 | 282,011 (Direct) | View |
| 2019-10-01 Option Award | 2019-10-03 4:19 pm | N/A N/A | PLUG POWER INC | PLUG | HELMER MAUREEN O Director | 3,089 | $2.63 | 279,440 (Direct) | View |
| 2019-07-01 Option Award | 2019-07-03 4:20 pm | N/A N/A | PLUG POWER INC | PLUG | HELMER MAUREEN O Director | 3,611 | $2.25 | 276,351 (Direct) | View |
| 2019-05-09 Option Award | 2019-07-01 8:00 pm | N/A N/A | PLUG POWER INC | PLUG | HELMER MAUREEN O Director | 27,056 | $2.31 | 299,796 (Direct) | View |
| 2019-05-09 Option Award | 2019-07-01 8:00 pm | N/A 2029-05-09 | PLUG POWER INC | PLUG | HELMER MAUREEN O Director | 27,056 | $0 | 299,796 (Direct) | View |