Real time Form 13D and 13G transaction reports:
- Schedule 13D must be filed within ten days after a person or an organization acquires beneficial ownership of more than 5% of a voting class of a company's equity securities.
- Due to inconsistent filing format, it is highly recommended that you read the orignal filing form.
- Shares have beem 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>>
| Reported DateTime | Transaction Date | Type | Company Symbol | Filed By Symbol | Shares Owned % Owned | Shares Vs. Prev Report | View |
| 2025-01-30 8:09 pm Sale | 2024-12-31 | 13G | 908 Devices Inc. MASS | The Vanguard Group | 1,324,534 3.800% | -419,796 (-24.07%) | Filing History |
| 2025-01-10 9:23 pm Sale | 2024-09-30 | 13G | 908 Devices Inc. MASS | ARK Investment Management LLC | 3,219,549 9.290% | -1,127,030 (-25.93%) | Filing History |
| 2024-11-14 5:11 pm Purchase | 2024-09-30 | 13G | 908 Devices Inc. MASS | ARCH Venture Fund VII L.P. | 5,782,548 16.600% | 26,106 (+0.45%) | Filing History |
| 2024-11-14 4:25 pm Sale | 2024-09-30 | 13G | 908 Devices Inc. MASS | Granahan Investment Management LLC | 861,433 2.490% | -1,177,225 (-57.75%) | Filing History |
| 2024-11-08 2:17 pm Unchanged | 2024-09-30 | 13G | 908 Devices Inc. MASS | BlackRock Inc. BLK | 1,884,480 5.400% | 0 (Unchanged) | Filing History |
| 2024-10-24 2:02 pm Purchase | 2024-09-30 | 13G | 908 Devices Inc. MASS | BlackRock Inc. BLK | 1,884,480 5.400% | 191,276 (+11.30%) | Filing History |
| 2024-07-08 4:32 pm Sale | 2024-06-30 | 13G | 908 Devices Inc. MASS | BlackRock Inc. BLK | 1,693,204 4.900% | -93,549 (-5.24%) | Filing History |
| 2024-02-14 12:02 pm Sale | 2023-12-31 | 13G | 908 Devices Inc. MASS | EVENTIDE ASSET MANAGEMENT LLC | 1,430,995 4.420% | -799,670 (-35.85%) | Filing History |
| 2024-02-14 10:46 am Purchase | 2023-12-31 | 13G | 908 Devices Inc. MASS | AMERIPRISE FINANCIAL INC AMP | 1,889,627 5.840% | 1,889,627 (New Position) | Filing History |
| 2024-02-14 09:00 am Purchase | 2023-12-31 | 13G | 908 Devices Inc. MASS | Granahan Investment Management LLC | 2,038,658 6.300% | 2,038,658 (New Position) | Filing History |
| 2024-02-13 4:55 pm Purchase | 2023-12-29 | 13G | 908 Devices Inc. MASS | The Vanguard Group | 1,744,330 5.390% | 1,744,330 (New Position) | Filing History |
| 2024-02-09 5:34 pm Purchase | 2023-12-31 | 13G | 908 Devices Inc. MASS | ARCH Venture Fund VII L.P. | 5,756,442 17.800% | 11,843 (+0.21%) | Filing History |
| 2024-01-31 2:08 pm Purchase | 2023-12-31 | 13G | 908 Devices Inc. MASS | BlackRock Inc. BLK | 1,786,753 5.500% | 23,246 (+1.32%) | Filing History |
| 2024-01-29 4:01 pm Purchase | 2023-12-31 | 13G | 908 Devices Inc. MASS | ARK Investment Management LLC | 4,346,579 13.420% | 657,104 (+17.81%) | Filing History |
| 2023-11-13 4:01 pm Sale | 2023-10-31 | 13G | 908 Devices Inc. MASS | ALGER ASSOCIATES INC | 1,227,494 3.800% | -1,577,722 (-56.24%) | Filing History |
| 2023-02-14 4:06 pm Sale | 2022-12-31 | 13G | 908 Devices Inc. MASS | ALGER ASSOCIATES INC | 2,805,216 8.800% | -653,887 (-18.90%) | Filing History |
| 2023-02-14 1:24 pm Purchase | 2022-12-31 | 13G | 908 Devices Inc. MASS | EVENTIDE ASSET MANAGEMENT LLC | 2,230,665 7.000% | 2,230,665 (New Position) | Filing History |
| 2023-02-13 4:06 pm Purchase | 2022-12-31 | 13G | 908 Devices Inc. MASS | ARCH Venture Fund VII L.P. | 5,744,599 18.100% | 12,313 (+0.21%) | Filing History |
| 2023-02-10 10:43 am Purchase | 2022-12-31 | 13G | 908 Devices Inc. MASS | ARK Investment Management LLC | 3,689,475 11.630% | 558,092 (+17.82%) | Filing History |
| 2023-02-01 4:54 pm Sale | 2022-12-31 | 13G | 908 Devices Inc. MASS | BlackRock Inc. BLK | 1,763,507 5.600% | -555,387 (-23.95%) | Filing History |