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MRK insider trading

Merck & Co., Inc. — open-market insider buys and $1M+ sells from SEC Forms 3, 4 and 5.
Insider buys · 24 mo
2
Bought · 24 mo
$1.6M
Buys · last 90 days
0 · $0
Most recent buy
2025-02-07

Recent insider filings

FiledInsiderTypeSharesPriceValue
2026-08-13Zachary Jennifer
EVP, General Counsel
Sold80,315$133.46$10.7M
2026-08-13Guindo Chirfi
EVP, Access, Policy & Comms
Sold10,000$135.00$1.4M
2026-08-12DeLuca Richard R.
EVP&Pres, Merck Animal Heallth
Sold31,883$130.84$4.2M
2026-08-07Maraldo David R.
EVP & Pres. MMD
Sold9,709$128.72$1.2M
2026-08-07Williams David Michael
EVP,Chief Info&Digital Officer
Sold48,247$128.77$6.2M
2026-08-07Guindo Chirfi
EVP, Access, Policy & Comms
Sold15,000$131.00$2.0M
2026-02-12Guindo Chirfi
Chief Marketing Officer
Sold10,000$121.46$1.2M
2026-02-10Li Dean Y
Executive VP & President, MRL
Sold10,235$117.52$1.2M
2026-02-09Guindo Chirfi
Chief Marketing Officer
Sold10,000$118.41$1.2M
2026-02-09Zachary Jennifer
EVP, General Counsel
Sold121,573$119.15$14.5M
2026-02-06Litchfield Caroline
EVP & CFO
Sold41,997$119.61$5.0M
2026-02-06Li Dean Y
Executive VP & President, MRL
Sold15,087$118.77$1.8M
2026-02-06Davis Robert M
Chairman, CEO & President
Sold47,434$118.04$5.6M
2026-02-06Guindo Chirfi
Chief Marketing Officer
Sold20,000$121.88$2.4M
2026-02-06Oosthuizen Johannes Jacobus
President, U.S. Market
Sold15,000$121.87$1.8M
2026-02-06DeLuca Richard R.
EVP&Pres, Merck Animal Heallth
Sold37,685$120.92$4.6M
2025-02-07BAKER DOUGLAS M JR
Director
Bought15,000$88.50$1.3M
2025-02-07THULIN INGE G
Director
Bought2,833$88.25$250k

Most active insider buyers

InsiderRoleBuysTotal bought
BAKER DOUGLAS M JRDirector1$1.3M
THULIN INGE GDirector1$250k

See MRK on the chart

Every insider buy and sell for MRK plotted on the price, the full two-year history, cluster scores and daily updates — in the members area, $29/month. A free quarterly sample of the whole dataset needs no account.

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Data from the SEC EDGAR ownership filings, refreshed daily. Only open-market purchases (transaction code P) and sales of $1M or more are shown; grants, option exercises and tax withholding are excluded because they run on schedules set years earlier. Not investment advice.