Form4insider filings, from the source

Insider · CIK 0002126478

David R. Maraldo

Files at: MRK. On EDGAR ↗

1M3M6M1Y2YAll datashares as filed — not split-adjusted
Open-market buys & salesbuys $0 · 0sales $2.4M · 1net −$2.4M
$10k$10k$100k$100k$1M$1M$10M$10MbuyssalesAug 4Aug 4Aug 4Aug 5Aug 5Aug 5Aug 6

Reported trades — common stock

TradeReported (ET)CompanySharesAvg priceTotalOwned afterΔ stakeFlags
Aug 5, 2026 SForm 4 →Aug 7, 4:21 pm EDTMerck & Co., Inc.MRK18,706$128.72$2,407,79718,212−50.7%
Aug 5, 2026 MForm 4 →Aug 7, 4:21 pm EDTMerck & Co., Inc.MRK18,706$82.25$1,538,49520,898—

Reported trades — derivatives (options, RSUs, warrants)

TradeReported (ET)CompanySharesAvg priceTotalOwned afterΔ stakeFlags
Aug 5, 2026 MForm 4 →Aug 7, 4:21 pm EDTMerck & Co., Inc.MRK18,706——5,374—