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 |
| 2024-05-13 Purchase | 2024-05-13 4:42 pm | 908 Devices Inc. | MASS | Knopp Kevin J. President and CEO | 10,000 | $6.42 | $64,200 | 1,050,204 (Indirect Direct) | View |
| 2024-05-10 Purchase | 2024-05-10 6:36 pm | 908 Devices Inc. | MASS | Knopp Kevin J. President and CEO | 10,000 | $5.77 | $57,700 | 1,040,204 (Indirect Direct) | View |
| 2024-05-09 Purchase | 2024-05-09 4:34 pm | 908 Devices Inc. | MASS | Knopp Kevin J. President and CEO | 10,000 | $5.83 | $58,300 | 1,030,204 (Indirect Direct) | View |
| 2024-05-08 Purchase | 2024-05-08 9:31 pm | 908 Devices Inc. | MASS | Knopp Kevin J. President and CEO | 10,000 | $5.72 | $57,200 | 1,020,204 (Indirect Direct) | View |
| 2024-05-07 Purchase | 2024-05-07 6:07 pm | 908 Devices Inc. | MASS | Knopp Kevin J. President and CEO | 10,000 | $5.6 | $56,000 | 1,010,204 (Indirect Direct) | View |
| 2024-02-01 Sale | 2024-02-02 4:39 pm | 908 Devices Inc. | MASS | Knopp Kevin J. President and CEO | 9,071 | $6.996 | $63,461 | 1,016,058 (Indirect Direct) | View |
| 2023-05-23 Sale | 2023-05-25 4:08 pm | 908 Devices Inc. | MASS | Knopp Kevin J. President and CEO | 60,000 | $10.12 | $607,200 | 909,071 (Indirect Direct) | View |
| 2023-02-15 Sale | 2023-02-17 4:06 pm | 908 Devices Inc. | MASS | Knopp Kevin J. President and CEO | 20,000 | $10.25 | $204,977 | 969,071 (Indirect Direct) | View |
| 2023-02-01 Sale | 2023-02-03 5:16 pm | 908 Devices Inc. | MASS | Knopp Kevin J. President and CEO | 44,049 | $10.4 | $458,299 | 1,022,835 (Indirect Direct) | View |
| 2022-11-15 Sale | 2022-11-17 4:25 pm | 908 Devices Inc. | MASS | Knopp Kevin J. President and CEO | 20,000 | $11.04 | $220,759 | 1,021,865 (Indirect Direct) | View |
| 2022-10-17 Sale | 2022-10-19 5:07 pm | 908 Devices Inc. | MASS | Knopp Kevin J. President and CEO | 30,000 | $15.08 | $452,432 | 1,041,865 (Indirect Direct) | View |
| 2022-09-15 Sale | 2022-09-19 4:21 pm | 908 Devices Inc. | MASS | Knopp Kevin J. President and CEO | 30,000 | $16.94 | $508,200 | 1,071,865 (Indirect Direct) | View |
| 2022-08-15 Sale | 2022-08-17 4:18 pm | 908 Devices Inc. | MASS | Knopp Kevin J. President and CEO | 30,000 | $19.27 | $578,063 | 1,101,865 (Indirect Direct) | View |
| 2022-08-05 Sale | 2022-08-09 4:18 pm | 908 Devices Inc. | MASS | Knopp Kevin J. President and CEO | 26,196 | $25.32 | $663,240 | 1,131,865 (Indirect Direct) | View |
| 2022-07-28 Sale | 2022-08-01 5:11 pm | 908 Devices Inc. | MASS | Knopp Kevin J. President and CEO | 38,347 | $22.28 | $854,389 | 1,158,061 (Indirect Direct) | View |
| 2022-07-21 Sale | 2022-07-25 4:16 pm | 908 Devices Inc. | MASS | Knopp Kevin J. President and CEO | 200 | $22.04 | $4,408 | 1,196,408 (Indirect Direct) | View |
| 2022-07-15 Sale | 2022-07-19 4:30 pm | 908 Devices Inc. | MASS | Knopp Kevin J. President and CEO | 30,000 | $17.37 | $521,137 | 1,196,608 (Indirect Direct) | View |
| 2022-07-06 Sale | 2022-07-08 4:35 pm | 908 Devices Inc. | MASS | Knopp Kevin J. President and CEO | 1,453 | $22.07 | $32,063 | 1,226,608 (Indirect Direct) | View |
| 2022-06-21 Sale | 2022-06-22 4:07 pm | 908 Devices Inc. | MASS | Knopp Kevin J. President and CEO | 9,200 | $15.07 | $138,644 | 1,228,061 (Indirect Direct) | View |
| 2022-06-15 Sale | 2022-06-17 4:12 pm | 908 Devices Inc. | MASS | Knopp Kevin J. President and CEO | 20,800 | $14.66 | $304,876 | 1,237,261 (Indirect Direct) | View |
| 2021-11-01 Sale | 2021-11-02 4:21 pm | 908 Devices Inc. | MASS | Knopp Kevin J. President and CEO | 20,000 | $34.62 | $692,401 | 1,258,061 (Indirect Direct) | View |
| 2021-10-01 Sale | 2021-10-05 6:05 pm | 908 Devices Inc. | MASS | Knopp Kevin J. President and CEO | 20,000 | $33.65 | $673,019 | 1,278,061 (Indirect Direct) | View |
| 2021-09-01 Sale | 2021-09-03 4:21 pm | 908 Devices Inc. | MASS | Knopp Kevin J. President and CEO | 20,000 | $35.91 | $718,183 | 1,298,061 (Indirect Direct) | View |
| 2021-08-16 Sale | 2021-08-18 4:57 pm | 908 Devices Inc. | MASS | Knopp Kevin J. President and CEO | 35,000 | $30.46 | $1,066,202 | 1,318,061 (Indirect 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 |
| 2024-12-13 Exercise | 2024-12-16 4:13 pm | N/A N/A | 908 Devices Inc. | MASS | Knopp Kevin J. President and CEO | 47,418 | $1.75 | 1,208,248 (Direct) | View |
| 2024-12-13 Exercise | 2024-12-16 4:13 pm | N/A N/A | 908 Devices Inc. | MASS | Knopp Kevin J. President and CEO | 110,626 | $1.58 | 1,208,248 (Direct) | View |
| 2024-12-13 Exercise | 2024-12-16 4:13 pm | N/A 2027-01-01 | 908 Devices Inc. | MASS | Knopp Kevin J. President and CEO | 158,044 | $0 | 1,208,248 (Direct) | View |
| 2024-04-16 Exercise | 2024-04-16 4:11 pm | N/A N/A | 908 Devices Inc. | MASS | Knopp Kevin J. President and CEO | 47,000 | $1.75 | 1,047,622 (Direct) | View |
| 2024-04-16 Exercise | 2024-04-16 4:11 pm | N/A 2027-01-01 | 908 Devices Inc. | MASS | Knopp Kevin J. President and CEO | 47,000 | $0 | 1,047,622 (Direct) | View |
| 2024-03-01 Option Award | 2024-03-05 6:05 pm | N/A 2034-02-28 | 908 Devices Inc. | MASS | Knopp Kevin J. President and CEO | 160,965 | $0 | 160,965 (Direct) | View |
| 2024-02-01 Exercise | 2024-02-02 4:39 pm | N/A N/A | 908 Devices Inc. | MASS | Knopp Kevin J. President and CEO | 24,704 | $0 | 1,016,058 (Direct) | View |
| 2023-06-05 Exercise | 2023-06-05 4:07 pm | N/A 2027-01-01 | 908 Devices Inc. | MASS | Knopp Kevin J. President and CEO | 28,500 | $1.75 | 1,031,989 (Direct) | View |
| 2023-03-01 Option Award | 2023-03-16 4:32 pm | N/A N/A | 908 Devices Inc. | MASS | Knopp Kevin J. President and CEO | 107,588 | $0 | 107,588 (Direct) | View |
| 2023-02-01 Exercise | 2023-02-03 5:16 pm | N/A N/A | 908 Devices Inc. | MASS | Knopp Kevin J. President and CEO | 11,255 | $0 | 1,022,835 (Direct) | View |
| 2022-03-01 Option Award | 2022-03-03 4:38 pm | N/A 2032-03-01 | 908 Devices Inc. | MASS | Knopp Kevin J. President and CEO | 119,795 | $0 | 119,795 (Direct) | View |
| 2020-12-22 Conversion(A) | 2021-04-30 8:50 pm | N/A N/A | 908 Devices Inc. | MASS | Knopp Kevin J. President and CEO | 177,234 | $0 | 1,353,061 (Direct) | View |
Ownership(A) | 2021-04-30 8:47 pm | N/A N/A | 908 Devices Inc. | MASS | Knopp Kevin J. President and CEO | 0 | $0 | 1,475,979 (Direct) | View |
| 2020-12-22 Conversion | 2020-12-22 8:36 pm | N/A N/A | 908 Devices Inc. | MASS | Knopp Kevin J. President & CEO | 177,234 | $0 | 1,353,061 (Direct) | View |
Ownership | 2020-12-17 8:06 pm | N/A N/A | 908 Devices Inc. | MASS | Knopp Kevin J. President and CEO | 0 | $0 | 1,709,523 (Direct) | View |