Activist 13D/13G Filings - 908 Devices Inc. (MASS)

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 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
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Reported
DateTime
TypeCompany
Symbol
Filed By
Symbol
Shares Owned
% Owned
Shares Vs. Prev ReportFiling
2024-11-14
5:11 pm
Purchase
13G908 Devices Inc.
MASS
ARCH Venture Fund VII L.P.5,782,548
16.600%
26,106increase
(+0.45%)
View
2024-11-14
4:25 pm
Sale
13G908 Devices Inc.
MASS
Granahan Investment Management LLC861,433
2.490%
-1,177,225decrease
(-57.75%)
View
2024-11-08
2:17 pm
Unchanged
13G908 Devices Inc.
MASS
BlackRock Inc.
BLK
1,884,480
5.400%
0
(Unchanged)
View
2024-10-24
2:02 pm
Purchase
13G908 Devices Inc.
MASS
BlackRock Inc.
BLK
1,884,480
5.400%
191,276increase
(+11.30%)
View
2024-07-08
4:32 pm
Sale
13G908 Devices Inc.
MASS
BlackRock Inc.
BLK
1,693,204
4.900%
-93,549decrease
(-5.24%)
View
2024-02-14
12:02 pm
Sale
13G908 Devices Inc.
MASS
EVENTIDE ASSET MANAGEMENT LLC1,430,995
4.420%
-799,670decrease
(-35.85%)
View
2024-02-14
10:46 am
Purchase
13G908 Devices Inc.
MASS
AMERIPRISE FINANCIAL INC
AMP
1,889,627
5.840%
1,889,627increase
(New Position)
View
2024-02-14
09:00 am
Purchase
13G908 Devices Inc.
MASS
Granahan Investment Management LLC2,038,658
6.300%
2,038,658increase
(New Position)
View
2024-02-13
4:55 pm
Purchase
13G908 Devices Inc.
MASS
VANGUARD GROUP INC1,744,330
5.390%
1,744,330increase
(New Position)
View
2024-02-09
5:34 pm
Purchase
13G908 Devices Inc.
MASS
ARCH Venture Fund VII L.P.5,756,442
17.800%
11,843increase
(+0.21%)
View
2024-01-31
2:08 pm
Purchase
13G908 Devices Inc.
MASS
BlackRock Inc.
BLK
1,786,753
5.500%
23,246increase
(+1.32%)
View
2024-01-29
4:01 pm
Purchase
13G908 Devices Inc.
MASS
ARK Investment Management LLC4,346,579
13.420%
657,104increase
(+17.81%)
View
2023-11-13
4:01 pm
Sale
13G908 Devices Inc.
MASS
ALGER ASSOCIATES INC1,227,494
3.800%
-1,577,722decrease
(-56.24%)
View
2023-02-14
4:06 pm
Sale
13G908 Devices Inc.
MASS
ALGER ASSOCIATES INC2,805,216
8.800%
-653,887decrease
(-18.90%)
View
2023-02-14
1:24 pm
Purchase
13G908 Devices Inc.
MASS
EVENTIDE ASSET MANAGEMENT LLC2,230,665
7.000%
2,230,665increase
(New Position)
View
2023-02-13
4:06 pm
Purchase
13G908 Devices Inc.
MASS
ARCH Venture Fund VII L.P.5,744,599
18.100%
12,313increase
(+0.21%)
View
2023-02-10
10:43 am
Purchase
13G908 Devices Inc.
MASS
ARK Investment Management LLC3,689,475
11.630%
558,092increase
(+17.82%)
View
2023-02-01
4:54 pm
Sale
13G908 Devices Inc.
MASS
BlackRock Inc.
BLK
1,763,507
5.600%
-555,387decrease
(-23.95%)
View
2022-10-11
06:28 am
Purchase
13G908 Devices Inc.
MASS
ALGER ASSOCIATES INC3,459,103
10.900%
3,459,103increase
(New Position)
View
2022-07-08
4:56 pm
Sale
13G908 Devices Inc.
MASS
BlackRock Inc.
BLK
2,318,894
7.400%
-1,390,167decrease
(-37.48%)
View
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