Merck & Co. Inc. (MRK) - 13D/13G Filings

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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Time period
Reported
DateTime
Transaction
Date
TypeCompany
Symbol
Filed By
Symbol
Shares Owned
% Owned
Shares Vs. Prev ReportView
2026-03-27
10:31 am
Sale
2026-03-1313GMERCK & CO INC
MRK
VANGUARD GROUP INC0
0.000%
-253,257,639decrease
(Position Closed)
Filing
History
2025-03-06
2:08 pm
Purchase
2025-02-2813GMERCK & CO INC
MRK
VANGUARD GROUP INC253,257,639
10.020%
8,490,605increase
(+3.47%)
Filing
History
2025-02-03
4:15 pm
Purchase
2025-01-3113GEVAXION BIOTECH A/S ADS
EVAX
Merck & Co. Inc.
MRK
63,004,142
19.960%
61,460,024increase
(+3980.27%)
Filing
History
2024-12-23
07:32 am
Purchase
2024-12-1913GPERSONALIS INC
PSNL
Merck & Co. Inc.
MRK
14,044,943
16.500%
14,044,943increase
(New Position)
Filing
History
2024-11-06
4:09 pm
Purchase
2024-09-3013GEVAXION BIOTECH A/S ADS
EVAX
Merck & Co. Inc.
MRK
1,544,118
12.900%
625,000increase
(+68.00%)
Filing
History
2024-02-13
4:55 pm
Purchase
2023-12-2913GMERCK & CO INC
MRK
VANGUARD GROUP INC244,767,034
9.660%
17,561,056increase
(+7.73%)
Filing
History
2024-01-26
11:49 am
Sale
2023-12-3113GMERCK & CO INC
MRK
BlackRock Inc.
BLK
201,836,434
8.000%
-13,174,951decrease
(-6.13%)
Filing
History
2024-01-23
3:29 pm
Purchase
2023-12-2113GEVAXION BIOTECH A/S ADS
EVAX
Merck & Co. Inc.
MRK
919,118
11.400%
919,118increase
(New Position)
Filing
History
2023-02-09
10:54 am
Purchase
2022-12-3013GMERCK & CO INC
MRK
VANGUARD GROUP INC227,205,978
8.960%
16,003,447increase
(+7.58%)
Filing
History
2023-02-03
4:27 pm
Purchase
2022-12-3113GMERCK & CO INC
MRK
BlackRock Inc.
BLK
215,011,385
8.500%
16,787,121increase
(+8.47%)
Filing
History
2022-02-09
3:15 pm
Sale
2021-12-3113GMERCK & CO INC
MRK
VANGUARD GROUP INC211,202,531
8.360%
-7,211,824decrease
(-3.30%)
Filing
History
2022-02-02
5:21 pm
Purchase
2021-12-3113G4D PHARMA PLC SPONSORED ADS
LBPS
Merck & Co. Inc.
MRK
12,145,523
6.600%
12,145,523increase
(New Position)
Filing
History
2022-01-31
5:59 pm
Sale
2021-12-3113GMERCK & CO INC
MRK
BlackRock Inc.
BLK
198,224,264
7.800%
-7,407,803decrease
(-3.60%)
Filing
History