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 |
| 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 |
| 2022-10-11 06:28 am Purchase | 2022-09-30 | 13G | 908 Devices Inc. MASS | Alger Associates, Inc. | 3,459,103 10.900% | 3,459,103![]() (New Position) | Filing History |
| 2022-07-08 4:56 pm Sale | 2022-06-30 | 13G | 908 Devices Inc. MASS | BlackRock Inc. BLK | 2,318,894 7.400% | -1,390,167![]() (-37.48%) | Filing History |
| 2022-02-10 4:44 pm Sale | 2021-12-31 | 13G | 908 Devices Inc. MASS | Razor's Edge Fund LP | 3,599 0.000% | -1,432,520![]() (-99.75%) | Filing History |
| 2022-02-10 11:10 am Purchase | 2022-01-31 | 13G | 908 Devices Inc. MASS | ARK Investment Management LLC | 3,131,383 10.100% | 134,990![]() (+4.51%) | Filing History |
| 2022-02-09 2:01 pm Purchase | 2021-12-31 | 13G | 908 Devices Inc. MASS | ARK Investment Management LLC | 2,996,393 9.660% | 226,632![]() (+8.18%) | Filing History |
| 2022-02-08 3:03 pm Purchase | 2021-12-31 | 13G | 908 Devices Inc. MASS | ARCH Venture Fund VII, L.P. | 5,732,286 18.500% | 6,440![]() (+0.11%) | Filing History |
| 2022-01-27 5:13 pm Unchanged | 2021-12-31 | 13G | 908 Devices Inc. MASS | BlackRock Inc. BLK | 3,709,061 13.300% | 0 (Unchanged) | Filing History |
| 2022-01-26 09:16 am Purchase | 2021-12-31 | 13G | 908 Devices Inc. MASS | BlackRock Inc. BLK | 3,709,061 13.300% | 769,583![]() (+26.18%) | Filing History |
| 2021-09-10 2:46 pm Purchase | 2021-08-31 | 13G | 908 Devices Inc. MASS | ARK Investment Management LLC | 2,769,761 10.020% | 2,769,761![]() (New Position) | Filing History |
| 2021-09-09 4:20 pm Purchase | 2021-08-31 | 13G | 908 Devices Inc. MASS | BlackRock Inc. BLK | 2,939,478 10.600% | 2,939,478![]() (New Position) | Filing History |
| 2021-02-16 06:25 am Purchase | 2020-12-31 | 13G | 908 Devices Inc. MASS | Razor's Edge Fund LP | 1,436,119 5.300% | 1,436,119![]() (New Position) | Filing History |
| 2021-02-04 2:03 pm Purchase | 2020-12-31 | 13G | 908 Devices Inc. MASS | ARCH Venture Fund VII, L.P. | 5,725,846 21.100% | 5,725,846![]() (New Position) | Filing History |

