Guindo Chirfi, Merck's Executive Vice President of Access, Policy & Comms, sold 15,000 shares of common stock on August 6, 2026 at $131.00 per share in an open-market or private transaction.
The sale was reported under direct ownership, meaning the 15,000 shares sold and the remaining 46,613 shares are held directly in Guindo Chirfi's name.
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