Insidervault
LIVE FROM THE DATABASETRANSACTIONS 362,430COMPANIES 5,763LATEST TRADE Oct 16UPDATED Oct 17, 12:31 AM
Reporting ownerCIK 0001820958

David Michael Williams

18 transactions in one company, from January 26, 2026 to August 5, 2026.

Transactions
181 company
Bought · P
$0open market
Sold · S
$7.4Mopen market
Net
−$7.4Mnet selling

By company

Where this insider traded.

CompanyTickerTradesBoughtSold
Merck & Co., Inc.MRK18—$7.4M

All transactions

18 in total, newest filings first.

CompanyTickerInsiderDateCodeSharesPriceValue
Merck & Co., Inc.MRKDavid Michael WilliamsChiefDERIVAug 5M34,705$0.00—?
Merck & Co., Inc.MRKDavid Michael WilliamsChiefDERIVAug 5M13,542$0.00—?
Merck & Co., Inc.MRKDavid Michael WilliamsChiefDERIVAug 5M4,600$0.00—?
Merck & Co., Inc.MRKDavid Michael WilliamsChiefAug 5S34,705$128.77$4.5M
Merck & Co., Inc.MRKDavid Michael WilliamsChiefAug 5M34,705$73.73$2.6M
Merck & Co., Inc.MRKDavid Michael WilliamsChiefAug 5S13,542$128.77$1.7M
Merck & Co., Inc.MRKDavid Michael WilliamsChiefAug 5M13,542$75.36$1.0M
Merck & Co., Inc.MRKDavid Michael WilliamsChiefAug 5S4,600$128.77$592K
Merck & Co., Inc.MRKDavid Michael WilliamsChiefAug 5M4,600$77.62$357K
Merck & Co., Inc.MRKDavid Michael WilliamsChiefDERIVMay 5A13,582$0.00—?
Merck & Co., Inc.MRKDavid Michael WilliamsChiefDERIVMay 5A4,640$0.00—?
Merck & Co., Inc.MRKDavid Michael WilliamsChiefDERIVApr 29M1,377$0.00—?
Merck & Co., Inc.MRKDavid Michael WilliamsChiefApr 29F679$110.03$75K
Merck & Co., Inc.MRKDavid Michael WilliamsChiefApr 29M1,377$110.03$152K
Merck & Co., Inc.MRKDavid Michael WilliamsChiefDERIVFeb 6M5,000$0.00—?
Merck & Co., Inc.MRKDavid Michael WilliamsChiefFeb 6S5,000$121.91$610K
Merck & Co., Inc.MRKDavid Michael WilliamsChiefFeb 6M5,000$77.62$388K
Merck & Co., Inc.MRKDavid Michael WilliamsChiefJan 26A6,112$107.40$656K