$MRK · Merck & Co., Inc.

Merck & Co., Inc. filed a Form 4 reporting a transaction by director Christine E. Seidman. On September 30, 2026, Seidman acquired 55.9149 phantom stock units under the company’s Plan for Deferred Payment of Directors’ Compensation, at a price of $145.31 per unit. These phantom stock units are to be settled entirely in cash upon her termination of service, according to a distribution schedule she elected. Following the transaction, she directly held 21,490.4009 phantom stock units, a total that includes units acquired through dividend reinvestment.

The filing also lists a disposition of 100 shares of Merck common stock in Table I, though the extracted text does not show a transaction date or price for that line item.