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
2024-02-14
12:02 pm
Sale
13G908 DEVICES INC
MASS
EVENTIDE ASSET MANAGEMENT LLC1,430,995
4.42%
-799,670decrease
(-35.85%)
View
2024-02-14
10:46 am
Purchase
13G908 DEVICES INC
MASS
AMERIPRISE FINANCIAL INC
AMP
1,889,627
5.84%
1,889,627increase
(New Position)
View
2024-02-14
09:00 am
Purchase
13G908 DEVICES INC
MASS
Granahan Investment Management LLC2,038,658
6.3%
2,038,658increase
(New Position)
View
2024-02-13
4:55 pm
Purchase
13G908 DEVICES INC
MASS
VANGUARD GROUP INC1,744,330
5.39%
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
17.8%
11,843increase
(+0.21%)
View
2024-01-31
2:08 pm
Purchase
13G908 DEVICES INC
MASS
BlackRock Inc.
BLK
1,786,753
5.5%
23,246increase
(+1.32%)
View
2024-01-29
4:01 pm
Purchase
13G908 DEVICES INC
MASS
ARK Investment Management LLC4,346,579
13.42%
657,104increase
(+17.81%)
View
2023-11-13
4:01 pm
Sale
13G908 DEVICES INC
MASS
ALGER ASSOCIATES INC1,227,494
3.8%
-1,577,722decrease
(-56.24%)
View
2023-02-14
4:06 pm
Sale
13G908 DEVICES INC
MASS
ALGER ASSOCIATES INC2,805,216
8.8%
-653,887decrease
(-18.90%)
View
2023-02-14
1:24 pm
Purchase
13G908 DEVICES INC
MASS
EVENTIDE ASSET MANAGEMENT LLC2,230,665
7%
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
18.1%
12,313increase
(+0.21%)
View
2023-02-10
10:43 am
Purchase
13G908 DEVICES INC
MASS
ARK Investment Management LLC3,689,475
11.63%
558,092increase
(+17.82%)
View
2023-02-01
4:54 pm
Sale
13G908 DEVICES INC
MASS
BlackRock Inc.
BLK
1,763,507
5.6%
-555,387decrease
(-23.95%)
View
2022-10-11
06:28 am
Purchase
13G908 DEVICES INC
MASS
ALGER ASSOCIATES INC3,459,103
10.9%
3,459,103increase
(New Position)
View
2022-07-08
4:56 pm
Sale
13G908 DEVICES INC
MASS
BlackRock Inc.
BLK
2,318,894
7.4%
-1,390,167decrease
(-37.48%)
View
2022-02-10
4:44 pm
Unchanged
13G908 DEVICES INC
MASS
Razor's Edge Fund LP3,599
0%
0
(Unchanged)
View
2022-02-10
11:10 am
Purchase
13G908 DEVICES INC
MASS
ARK Investment Management LLC3,131,383
10.1%
134,990increase
(+4.51%)
View
2022-02-09
2:01 pm
Purchase
13G908 DEVICES INC
MASS
ARK Investment Management LLC2,996,393
9.66%
226,632increase
(+8.18%)
View
2022-02-08
3:03 pm
Purchase
13G908 DEVICES INC
MASS
ARCH Venture Fund VII L.P.5,732,286
18.5%
6,440increase
(+0.11%)
View
2022-01-27
5:13 pm
Unchanged
13G908 DEVICES INC
MASS
BlackRock Inc.
BLK
3,709,061
13.3%
0
(Unchanged)
View
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