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 |
| 2025-04-25 4:03 pm Sale |
2025-03-31 | 13G | 908 Devices Inc. MASS |
BlackRock Inc. BLK |
1,614,014 4.600% |
-270,466 (-14.35%) |
Filing History |
| 2025-04-07 4:18 pm Purchase |
2025-03-31 | 13G | 908 Devices Inc. MASS |
AWM Investment Company, Inc. | 5,199,924 14.700% |
5,199,924 (New Position) |
Filing History |
| 2025-02-14 11:23 am Sale |
2024-12-31 | 13G | 908 Devices Inc. MASS |
ARK Investment Management LLC | 2,788,565 8.010% |
-430,984 (-13.39%) |
Filing History |
| 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 |