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MRK Insider Trading

Form 4 insider transactions for MRK over the last 6 months. Buys, sells and grants by directors and officers.

InsiderDateTypeSharesPrice
Guindo ChirfiEVP, Access, Policy & CommsAug 13, 2026Sell10,000$135.00
DeLuca Richard R.EVP&Pres, Merck Animal HeallthAug 12, 2026Sell11,699$131.63
Zachary JenniferEVP, General CounselAug 12, 2026Sell80,315$133.46
Zachary JenniferEVP, General CounselAug 12, 2026Option exercise54,927$109.78
DeLuca Richard R.EVP&Pres, Merck Animal HeallthAug 11, 2026Sell12,837$131.76
DeLuca Richard R.EVP&Pres, Merck Animal HeallthAug 10, 2026Sell20,784$130.43
Guindo ChirfiEVP, Access, Policy & CommsAug 6, 2026Sell15,000$131.00
DeLuca Richard R.EVP&Pres, Merck Animal HeallthAug 6, 2026Sell6,050$130.38
Williams David MichaelEVP,Chief Info&Digital OfficerAug 5, 2026Sell52,847$128.77
Williams David MichaelEVP,Chief Info&Digital OfficerAug 5, 2026Option exercise52,847$74.49
Maraldo David R.EVP & Pres. MMDAug 5, 2026Sell18,706$128.72
Maraldo David R.EVP & Pres. MMDAug 5, 2026Option exercise18,706$82.25
Maraldo David R.EVP & Pres. MMDMay 2, 2026Tax withholding159$112.16
Maraldo David R.EVP & Pres. MMDMay 2, 2026Option exercise552$112.16
Smart Dalton E. IIISVP Fin. - Global ControllerMay 2, 2026Tax withholding132$112.16
Smart Dalton E. IIISVP Fin. - Global ControllerMay 2, 2026Option exercise383$112.16
Larson Betty DEVP, Chief HR OfficerApr 30, 2026Tax withholding5,143$110.95
Larson Betty DEVP, Chief HR OfficerApr 30, 2026Option exercise11,350$110.95
Smart Dalton E. IIISVP Fin. - Global ControllerApr 30, 2026Tax withholding159$110.95
Smart Dalton E. IIISVP Fin. - Global ControllerApr 30, 2026Option exercise464$110.95
Oosthuizen Johannes JacobusEVP, Oncology & Int?lApr 29, 2026Tax withholding679$110.03
Oosthuizen Johannes JacobusEVP, Oncology & Int?lApr 29, 2026Option exercise1,377$110.03
Davis Robert MChairman, CEO & PresidentApr 29, 2026Tax withholding6,551$110.03
Davis Robert MChairman, CEO & PresidentApr 29, 2026Option exercise13,300$110.03
Litchfield CarolineEVP & CFOApr 29, 2026Tax withholding1,938$110.03
Litchfield CarolineEVP & CFOApr 29, 2026Option exercise3,935$110.03
Larson Betty DEVP, Chief HR OfficerApr 29, 2026Tax withholding715$110.03
Larson Betty DEVP, Chief HR OfficerApr 29, 2026Option exercise2,085$110.03
Zachary JenniferEVP, General CounselApr 29, 2026Tax withholding1,454$110.03
Zachary JenniferEVP, General CounselApr 29, 2026Option exercise2,951$110.03
Li Dean YExecutive VP & President, MRLApr 29, 2026Tax withholding2,326$110.03
Li Dean YExecutive VP & President, MRLApr 29, 2026Option exercise4,722$110.03
Smart Dalton E. IIISVP Fin. - Global ControllerApr 29, 2026Tax withholding324$110.03
Smart Dalton E. IIISVP Fin. - Global ControllerApr 29, 2026Option exercise944$110.03
Williams David MichaelEVP,Chief Info&Digital OfficerApr 29, 2026Tax withholding679$110.03
Williams David MichaelEVP,Chief Info&Digital OfficerApr 29, 2026Option exercise1,377$110.03
DeLuca Richard R.EVP&Pres, Merck Animal HeallthApr 29, 2026Tax withholding1,241$110.03
DeLuca Richard R.EVP&Pres, Merck Animal HeallthApr 29, 2026Option exercise2,518$110.03
Chattopadhyay SanatExe V-P & Pres. MMDApr 29, 2026Tax withholding1,130$110.03
Chattopadhyay SanatExe V-P & Pres. MMDApr 29, 2026Option exercise2,597$110.03
Guindo ChirfiEVP, Access, Policy & CommsApr 29, 2026Tax withholding969$110.03
Guindo ChirfiEVP, Access, Policy & CommsApr 29, 2026Option exercise1,967$110.03

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Source: SEC EDGAR Form 4 filings.