MRK
Ticker
Merck & Co., Inc.
MRK · Healthcare · Merck & Co., Inc. operates as a healthcare company worldwideMerck & Co., Inc. (MRK), in the Healthcare sector, has 30 disclosed filings on Paydirt over the trailing twelve months from 7 members of Congress and 11 corporate insiders: 4 purchases and 26 sales, 2 filed past the deadline. Filers took a median of 2 days from execution to disclosure, and the most recent trade was executed Aug 19 and filed Sep 9. The most active filer was Gilbert Cisneros with 8 filings.
Add to watchlistFilings, ttm
30
4 buys · 26 sells · 2 late
Traders, ttm
18
7 congress · 11 insiders
Volume, ttmiDollar value disclosed in the window
$72.1M
estimated for Congress, as filed for insiders
Median delay
2d
execution to disclosure
Last traded
Aug 19
Filed Sep 9
ADViAverage daily dollar volume
$1.4B
market data
Share price · 12M
$145 (+85.5%)
Adjusted for splits and dividends.
Volume by month
Buys $1.9M
Sells $74.1M
Estimated for Congress, as filed for insiders · by filing month · past 24 months
Who filed
GCRecent filings
Maria Elvira SalazarPURCHASE
Representative
$65K2 lots · $30K–100K bracket
Exec Aug 19
Filed Sep 9 Chirfi GuindoSALE EVP, Access, Policy & Comms $1.4M
10,000 sh × $135.00
Exec Aug 13
Filed Aug 13 · 5:02 PM ET Jennifer ZacharySALE EVP, General Counsel $10.7M
80,315 sh × $133.46
Exec Aug 12
Filed Aug 13 · 4:11 PM ET Richard R. DeLucaSALE EVP&Pres, Merck Animal Heallth $5.9M
44,720 sh across 4 lots
Exec Aug 10
Filed Aug 12 · 4:10 PM ET Richard R. DeLucaSALE EVP&Pres, Merck Animal Heallth $749K
5,750 sh across 2 lots
Exec Aug 6
Filed Aug 10 · 4:28 PM ET David R. MaraldoSALE EVP & Pres. MMD $2.4M
18,706 sh across 3 lots
Exec Aug 5
Filed Aug 7 · 4:21 PM ET David Michael WilliamsSALE EVP,Chief Info&Digital Officer $6.8M
52,847 sh across 3 lots
Exec Aug 5
Filed Aug 7 · 4:19 PM ET Chirfi GuindoSALE EVP, Access, Policy & Comms $2.0M
15,000 sh × $131.00
Exec Aug 6
Filed Aug 7 · 4:17 PM ET Alan ArmstrongSALE Senator $33K
$15K–50K bracket
Exec Mar 27
Filed Jul 21 † Josh GottheimerPURCHASE Representative (Joint) $8K
$1K–15K bracket
Exec Feb 4
Filed Mar 16 Chirfi GuindoSALE Chief Marketing Officer $1.2M
10,000 sh × $121.46
Exec Feb 12
Filed Feb 12 · 5:30 PM ET Dean Y LiSALE Executive VP & President, MRL $1.2M
10,235 sh × $117.52
Exec Feb 10
Filed Feb 10 · 5:30 PM ET Jennifer ZacharySALE EVP, General Counsel $14.5M
121,573 sh across 3 lots
Exec Feb 9
Filed Feb 9 · 5:30 PM ET Chirfi GuindoSALE Chief Marketing Officer $1.2M
10,000 sh × $118.41
Exec Feb 9
Filed Feb 9 · 5:30 PM ET Robert M DavisSALE Chairman, CEO & President $5.6M
47,434 sh across 2 lots
Exec Feb 4
Filed Feb 6 · 5:30 PM ET Richard R. DeLucaSALE EVP&Pres, Merck Animal Heallth $4.6M
37,685 sh × $120.92
Exec Feb 6
Filed Feb 6 · 5:30 PM ET Chirfi GuindoSALE Chief Marketing Officer $2.4M
20,000 sh × $121.88
Exec Feb 5
Filed Feb 6 · 5:30 PM ET Dean Y LiSALE Executive VP & President, MRL $1.8M
15,087 sh × $118.77
Exec Feb 4
Filed Feb 6 · 5:30 PM ET Caroline LitchfieldSALE EVP & CFO $5.0M
41,997 sh × $119.61
Exec Feb 4
Filed Feb 6 · 5:30 PM ET Johannes Jacobus OosthuizenSALE President, U.S. Market $1.8M
15,000 sh × $121.87
Exec Feb 6
Filed Feb 6 · 5:30 PM ET Dalton E. Smart IIISALE SVP Fin. - Global Controller $766K
6,400 sh across 2 lots
Exec Feb 4
Filed Feb 6 · 5:30 PM ET David Michael WilliamsSALE EVP,Chief Info&Digital Officer $610K
5,000 sh × $121.91
Exec Feb 6
Filed Feb 6 · 5:30 PM ET Julie JohnsonSALE Representative (Joint) $8K
$1K–15K bracket
Exec Dec 18 2025
Filed Jan 15 Gilbert CisnerosPURCHASE Representative $8K
$1K–15K bracket
Exec Dec 19 2025
Filed Jan 12 Gilbert CisnerosPURCHASE Representative $8K
$1K–15K bracket
Exec Nov 18 2025
Filed Dec 15 2025