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 |
| 2025-06-04 Sale | 2025-06-06 5:51 pm | 908 Devices Inc. | MASS | Griffith Joseph H. IV Chief Financial Officer | 6,940 | $7.08 | $49,135 | 102,930 (Direct) | View |
| 2025-05-15 Purchase | 2025-05-19 4:37 pm | 908 Devices Inc. | MASS | Knopp Kevin J. President and CEO | 15,000 | $4.4397 | $66,596 | 1,263,956 (Indirect Direct) | View |
| 2025-05-14 Purchase | 2025-05-15 4:52 pm | 908 Devices Inc. | MASS | Spoto Mark Director | 10,000 | $4.285 | $42,850 | 66,570 (Indirect Direct) | View |
| 2025-05-14 Purchase | 2025-05-14 4:28 pm | 908 Devices Inc. | MASS | Knopp Kevin J. President and CEO | 15,000 | $4.3192 | $64,788 | 1,248,956 (Indirect Direct) | View |
| 2025-02-03 Sale | 2025-02-04 4:51 pm | 908 Devices Inc. | MASS | Griffith Joseph H. IV Chief Financial Officer | 10,236 | $2.3432 | $23,985 | 169,365 (Direct) | View |
| 2025-02-03 Sale | 2025-02-04 4:50 pm | 908 Devices Inc. | MASS | Turner Michael S. Chief Legal & Admin Officer | 9,672 | $2.3262 | $22,499 | 81,349 (Direct) | View |
| 2025-02-03 Sale | 2025-02-04 4:50 pm | 908 Devices Inc. | MASS | Knopp Kevin J. President and CEO | 16,001 | $2.3192 | $37,109 | 1,323,129 (Indirect Direct) | View |
| 2025-02-03 Sale | 2025-02-04 4:49 pm | 908 Devices Inc. | MASS | Brown Christopher D. Chief Product Officer | 7,767 | $2.3421 | $18,191 | 1,014,959 (Direct) | View |
| 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 |
Stock options: Exercise, Award, Grant, Conversion
| Transaction Date | Reported DateTime | Exercisable Expiration | Company | Symnbol | Insider Relationship | Shares Traded | Conversion Price | Shares Owned | Filing |
| 2025-06-12 Option Award | 2025-06-13 4:22 pm | N/A N/A | 908 Devices Inc. | MASS | Leonhart Michele M. Director | 20,599 | $0 | 20,599 (Direct) | View |
| 2025-06-12 Option Award | 2025-06-13 4:21 pm | N/A N/A | 908 Devices Inc. | MASS | HRUSOVSKY E KEVIN Director | 20,599 | $0 | 501,581 (Direct) | View |
| 2025-06-11 Exercise | 2025-06-13 4:21 pm | N/A N/A | 908 Devices Inc. | MASS | HRUSOVSKY E KEVIN Director | 11,364 | $0 | 501,581 (Direct) | View |
| 2025-06-12 Option Award | 2025-06-13 4:21 pm | N/A N/A | 908 Devices Inc. | MASS | Hunt Anthony Director | 20,599 | $0 | 50,684 (Direct) | View |
| 2025-06-11 Exercise | 2025-06-13 4:21 pm | N/A N/A | 908 Devices Inc. | MASS | Hunt Anthony Director | 11,364 | $0 | 50,684 (Direct) | View |
| 2025-06-12 Option Award | 2025-06-13 4:20 pm | N/A N/A | 908 Devices Inc. | MASS | George Jeffrey P. Director | 20,599 | $0 | 47,413 (Direct) | View |
| 2025-06-11 Exercise | 2025-06-13 4:20 pm | N/A N/A | 908 Devices Inc. | MASS | George Jeffrey P. Director | 11,364 | $0 | 47,413 (Direct) | View |
| 2025-06-12 Option Award | 2025-06-13 4:19 pm | N/A N/A | 908 Devices Inc. | MASS | ELOI FENEL M Director | 20,599 | $0 | 47,413 (Direct) | View |
| 2025-06-11 Exercise | 2025-06-13 4:19 pm | N/A N/A | 908 Devices Inc. | MASS | ELOI FENEL M Director | 11,364 | $0 | 47,413 (Direct) | View |
| 2025-06-11 Exercise | 2025-06-13 4:19 pm | N/A N/A | 908 Devices Inc. | MASS | Eisenberg Marcia Director | 11,364 | $0 | 25,957 (Direct) | View |
| 2025-06-12 Option Award | 2025-06-13 4:18 pm | N/A N/A | 908 Devices Inc. | MASS | CRANDELL KEITH Director 10% Owner | 20,599 | $0 | 5,770,935 (Direct) | View |
| 2025-06-11 Exercise | 2025-06-13 4:18 pm | N/A N/A | 908 Devices Inc. | MASS | CRANDELL KEITH Director 10% Owner | 11,364 | $0 | 5,770,935 (Direct) | View |
| 2025-06-12 Option Award | 2025-06-13 4:18 pm | N/A N/A | 908 Devices Inc. | MASS | Spoto Mark Director | 20,599 | $0 | 98,533 (Direct) | View |
| 2025-06-11 Exercise | 2025-06-13 4:18 pm | N/A N/A | 908 Devices Inc. | MASS | Spoto Mark Director | 11,364 | $0 | 98,533 (Direct) | View |
Ownership | 2025-03-14 4:27 pm | N/A N/A | 908 Devices Inc. | MASS | AWM Investment Company Inc. 10% Owner | 0 | $0 | 5,199,924 (Indirect) | View |
| 2025-03-03 Option Award | 2025-03-05 4:43 pm | N/A 2034-03-02 | 908 Devices Inc. | MASS | Knopp Kevin J. President and CEO | 289,382 | $0 | 289,382 (Direct) | View |
| 2025-03-03 Option Award | 2025-03-05 4:43 pm | N/A 2034-03-02 | 908 Devices Inc. | MASS | Griffith Joseph H. IV Chief Financial Officer | 189,780 | $0 | 189,780 (Direct) | View |
| 2025-03-03 Option Award | 2025-03-05 4:42 pm | N/A 2034-03-02 | 908 Devices Inc. | MASS | Turner Michael S. Chief Legal & Admin Officer | 182,581 | $0 | 182,581 (Direct) | View |
| 2025-03-02 Exercise | 2025-03-04 6:49 pm | N/A N/A | 908 Devices Inc. | MASS | Hunt Anthony Director | 2,058 | $0 | 18,721 (Direct) | View |
| 2025-02-01 Exercise | 2025-02-04 4:51 pm | N/A N/A | 908 Devices Inc. | MASS | Griffith Joseph H. IV Chief Financial Officer | 26,669 | $0 | 169,365 (Direct) | View |
| 2025-02-01 Exercise | 2025-02-04 4:50 pm | N/A N/A | 908 Devices Inc. | MASS | Turner Michael S. Chief Legal & Admin Officer | 25,170 | $0 | 81,349 (Direct) | View |
| 2025-02-01 Exercise | 2025-02-04 4:50 pm | N/A N/A | 908 Devices Inc. | MASS | Knopp Kevin J. President and CEO | 41,709 | $0 | 1,323,129 (Direct) | View |
| 2025-02-01 Exercise | 2025-02-04 4:49 pm | N/A N/A | 908 Devices Inc. | MASS | Brown Christopher D. Chief Product Officer | 23,436 | $0 | 1,014,959 (Direct) | View |
| 2024-12-19 Exercise | 2024-12-19 4:53 pm | N/A N/A | 908 Devices Inc. | MASS | Brown Christopher D. Chief Product Officer | 55,131 | $1.58 | 946,453 (Direct) | View |
| 2024-12-19 Exercise | 2024-12-19 4:53 pm | N/A 2029-01-20 | 908 Devices Inc. | MASS | Brown Christopher D. Chief Product Officer | 55,131 | $0 | 946,453 (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 |
| 2024-12-13 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 |
| 2024-08-07 Exercise | 2024-08-08 5:01 pm | N/A N/A | 908 Devices Inc. | MASS | Brown Christopher D. Chief Product Officer | 6,328 | $1.58 | 946,453 (Direct) | View |
| 2024-08-07 Exercise | 2024-08-08 5:01 pm | N/A 2029-01-20 | 908 Devices Inc. | MASS | Brown Christopher D. Chief Product Officer | 6,328 | $0 | 946,453 (Direct) | View |
| 2024-06-25 Option Award | 2024-06-26 4:05 pm | N/A N/A | 908 Devices Inc. | MASS | Leonhart Michele M. Director | 46,266 | $0 | 46,266 (Direct) | View |
| 2024-06-13 Option Award | 2024-06-14 4:21 pm | N/A N/A | 908 Devices Inc. | MASS | CRANDELL KEITH Director 10% Owner | 27,360 | $0 | 5,766,332 (Direct) | View |
| 2024-06-12 Exercise | 2024-06-14 4:21 pm | N/A N/A | 908 Devices Inc. | MASS | CRANDELL KEITH Director 10% Owner | 7,777 | $0 | 5,766,332 (Direct) | View |
| 2024-06-13 Option Award | 2024-06-14 4:21 pm | N/A N/A | 908 Devices Inc. | MASS | Spoto Mark Director | 27,360 | $0 | 83,930 (Direct) | View |
| 2024-06-12 Exercise | 2024-06-14 4:21 pm | N/A N/A | 908 Devices Inc. | MASS | Spoto Mark Director | 7,777 | $0 | 83,930 (Direct) | View |
| 2024-06-13 Option Award | 2024-06-14 4:21 pm | N/A N/A | 908 Devices Inc. | MASS | HRUSOVSKY E KEVIN Director | 27,360 | $0 | 496,978 (Direct) | View |
| 2024-06-12 Exercise | 2024-06-14 4:21 pm | N/A N/A | 908 Devices Inc. | MASS | HRUSOVSKY E KEVIN Director | 7,777 | $0 | 496,978 (Direct) | View |
| 2024-06-13 Option Award | 2024-06-14 4:21 pm | N/A N/A | 908 Devices Inc. | MASS | Hunt Anthony Director | 27,360 | $0 | 44,023 (Direct) | View |
| 2024-06-12 Exercise | 2024-06-14 4:21 pm | N/A N/A | 908 Devices Inc. | MASS | Hunt Anthony Director | 7,777 | $0 | 44,023 (Direct) | View |
| 2024-06-13 Option Award | 2024-06-14 4:20 pm | N/A N/A | 908 Devices Inc. | MASS | George Jeffrey P. Director | 27,360 | $0 | 42,810 (Direct) | View |
| 2024-06-12 Exercise | 2024-06-14 4:20 pm | N/A N/A | 908 Devices Inc. | MASS | George Jeffrey P. Director | 7,777 | $0 | 42,810 (Direct) | View |
| 2024-06-13 Option Award | 2024-06-14 4:20 pm | N/A N/A | 908 Devices Inc. | MASS | ELOI FENEL M Director | 27,360 | $0 | 42,810 (Direct) | View |
| 2024-06-12 Exercise | 2024-06-14 4:20 pm | N/A N/A | 908 Devices Inc. | MASS | ELOI FENEL M Director | 7,777 | $0 | 42,810 (Direct) | View |
| 2024-06-13 Option Award | 2024-06-14 4:20 pm | N/A N/A | 908 Devices Inc. | MASS | Eisenberg Marcia Director | 27,360 | $0 | 41,953 (Direct) | View |
| 2024-06-12 Exercise | 2024-06-14 4:20 pm | N/A N/A | 908 Devices Inc. | MASS | Eisenberg Marcia Director | 7,777 | $0 | 41,953 (Direct) | View |
| 2024-06-07 Exercise | 2024-06-10 4:13 pm | N/A N/A | 908 Devices Inc. | MASS | Eisenberg Marcia Director | 682 | $0 | 6,816 (Direct) | View |