13D/13G Filings - MERCURY SYSTEMS INC (MRCY)

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
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Reported
DateTime
Transaction
Date
TypeCompany
Symbol
Filed By
Symbol
Shares Owned
% Owned
Shares Vs. Prev ReportView
2025-02-12
5:52 pm
Sale
2024-12-3113GMercury Systems, Inc.
MRCY
WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC6,432,601
10.800%
-866,911decrease
(-11.88%)
Filing
History
2025-02-05
07:01 am
Sale
2024-12-3113GMercury Systems, Inc.
MRCY
STATE STREET CORP
STT
2,936,241
4.900%
-599,807decrease
(-16.96%)
Filing
History
2024-11-14
10:55 am
Purchase
2024-09-3013GMercury Systems, Inc.
MRCY
WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC7,299,512
12.300%
742,740increase
(+11.33%)
Filing
History
2024-11-08
2:17 pm
Unchanged
2024-09-3013GMercury Systems, Inc.
MRCY
BlackRock Inc.
BLK
8,674,776
14.600%
0
(Unchanged)
Filing
History
2024-10-23
5:04 pm
Purchase
2024-09-3013GMercury Systems, Inc.
MRCY
BlackRock Inc.
BLK
8,674,776
14.600%
1,188,718increase
(+15.88%)
Filing
History
2024-02-13
5:09 pm
Purchase
2023-12-2913GMercury Systems, Inc.
MRCY
The Vanguard Group5,669,352
9.560%
552,274increase
(+10.79%)
Filing
History
2024-02-13
4:05 pm
Purchase
2024-02-1313DMercury Systems, Inc.
MRCY
JANA PARTNERS MANAGEMENT, LP6,553,120
11.000%
6,553,120increase
(New Position)
Filing
History
2024-02-12
5:22 pm
Sale
2023-12-3113GMercury Systems, Inc.
MRCY
WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC6,556,772
11.100%
-183,667decrease
(-2.72%)
Filing
History
2024-01-24
09:06 am
Purchase
2023-12-3113GMercury Systems, Inc.
MRCY
STATE STREET CORP
STT
3,536,048
5.970%
3,536,048increase
(New Position)
Filing
History
2024-01-23
4:13 pm
Purchase
2023-12-3113GMercury Systems, Inc.
MRCY
BlackRock Inc.
BLK
7,486,058
12.600%
1,607,954increase
(+27.35%)
Filing
History
2023-09-06
10:25 am
Purchase
2023-08-3113GMercury Systems, Inc.
MRCY
WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC6,740,439
11.600%
1,534,471increase
(+29.48%)
Filing
History
2023-08-08
10:29 am
Purchase
2023-07-3113GMercury Systems, Inc.
MRCY
BlackRock Inc.
BLK
5,878,104
10.100%
202,282increase
(+3.56%)
Filing
History
2023-07-06
5:20 pm
Purchase
2023-06-2613DMercury Systems, Inc.
MRCY
JANA PARTNERS LLC4,655,249
8.000%
1,967,380increase
(+73.19%)
Filing
History
2023-06-15
4:08 pm
Sale
2023-06-1313DMercury Systems, Inc.
MRCY
Starboard Value LP2,660,258
4.600%
-1,496,573decrease
(-36.00%)
Filing
History
2023-02-14
09:18 am
Sale
2022-12-3113GMercury Systems, Inc.
MRCY
BANK OF AMERICA CORP
BAC
62,520
0.100%
-2,877,480decrease
(-97.87%)
Filing
History
2023-02-09
1:53 pm
Purchase
2022-12-3113GMercury Systems, Inc.
MRCY
WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC5,205,968
9.000%
1,888,146increase
(+56.91%)
Filing
History
2023-02-09
11:27 am
Sale
2022-12-3013GMercury Systems, Inc.
MRCY
The Vanguard Group5,117,078
8.830%
-49,831decrease
(-0.96%)
Filing
History
2023-02-06
3:02 pm
Sale
2022-12-3013GMercury Systems, Inc.
MRCY
Wellington Management Group LLP2,262,613
3.900%
-593,401decrease
(-20.78%)
Filing
History
2023-02-03
5:25 pm
Sale
2023-02-0313DMercury Systems, Inc.
MRCY
JANA PARTNERS LLC2,687,869
4.600%
-548,011decrease
(-16.94%)
Filing
History
2023-01-24
1:56 pm
Purchase
2022-12-3113GMercury Systems, Inc.
MRCY
BlackRock Inc.
BLK
5,675,822
9.800%
213,409increase
(+3.91%)
Filing
History
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