David Michael Williams sold $6.8M of Merck & Co., Inc. (MRK) stock

David Michael Williams, EVP,Chief Info&Digital Officer of Merck & Co., Inc. (MRK), sold 52,847 shares of MRK stock worth $6.8M, per an SEC Form 4 filed Aug 7, 2026.

The sale was pre-arranged (a 10b5-1 plan or an option exercise), not a fresh decision.

The trade happened on Aug 5, 2026, 2 days before it was made public.

MRK has moved +17.6% since the trade date, from $128.33 to $150.91 (Sep 22, 2026 close).