InsiderClue
Stocks · Health care · Pharmaceutical Preparations

Merck & Co.

MRK Clue Score53
United States Fiscal year ends December CIK 0000310158 Results filed 29 Oct 2026
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What the insiders did Net selling

Individual transactions

10
Insider
Date
Role
Action
Shares
Price
Amount
Inge G Thulin
6 Feb 2025
Director
Buy
2,833
$88.25
$250.00K
Douglas M Baker Jr
5 Feb 2025
Director
Buy
15,000
$88.50
$1.33M
Joseph Romanelli
26 Apr 2023
President, Human Health Int?l
Buy
3
$113.68
$341.04
Joseph Romanelli
20 Mar 2023
President, Human Health Int?l
Buy
136
$105.47
$14.34K
Joseph Romanelli
21 Feb 2023
President, Human Health Int?l
Buy
11
$109.20
$1.20K
Joseph Romanelli
19 Dec 2022
President, Human Health Int?l
Buy
7
$109.04
$763.28
Joseph Romanelli
13 Dec 2022
President, Human Health Int?l
Buy
56
$110.96
$6.21K
Joseph Romanelli
6 Dec 2022
President, Human Health Int?l
Buy
30
$109.39
$3.28K
Joseph Romanelli
5 Dec 2022
President, Human Health Int?l
Buy
107
$109.54
$11.72K
Joseph Romanelli
2 Dec 2022
President, Human Health Int?l
Buy indirect
59
$109.67
$6.47K
Showing 250 of 305 transactions. The figures above use every one of them.

What was left out

Form 4 filings counted 754
Amendments (4/A) skipped 7
Filings about a different issuer 4
Unreadable filings 0
Joint filings 0
Sales on a Rule 10b5-1 plan 0
Sales straight out of an exercise 140
Sales at will 49
Transactions with no price 0
Shares from compensation/vesting 12,280,180
Sales filed before the plan box existed 16
History held since 25 Oct 2006