Merck & Co, INC Form 4 insider transactions

Insider transactions: buys and sells by directors, officers and ten percent owners, filed within two business days of the trade.

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Chirfi Guindo, EVP, Access, Policy & Comms of Merck & Co., Inc., sold 10,000 shares of common stock on August 13, 2026 for $135.00 per share.
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Jennifer Zachary, EVP, General Counsel of Merck & Co., Inc., sold 80,315 shares of common stock on August 12, 2026 for $133.46 per share.
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Richard R. Deluca, EVP&Pres, Merck Animal Heallth of Merck & Co., Inc., sold 45,320 shares of common stock on August 10, 2026.
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Richard R. Deluca, EVP&Pres, Merck Animal Heallth of Merck & Co., Inc., sold 6,050 shares of common stock on August 6, 2026.
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David R. Maraldo, EVP & Pres. MMD of Merck & Co., Inc., sold 18,706 shares of common stock on August 5, 2026 for $128.72 per share.
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David Michael Williams, EVP,Chief Info&Digital Officer of Merck & Co., Inc., sold 52,847 shares of common stock on August 5, 2026 for $128.77 per share.
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Chirfi Guindo, EVP, Access, Policy & Comms of Merck & Co., Inc., sold 15,000 shares of common stock on August 6, 2026 for $131.00 per share.
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Christine E. Seidman, a Director at Merck & Co., Inc., has reported transactions involving common stock and phantom stock units.
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Merck & Co., Inc. Director Surendralal L. Karsanbhai reports a transaction involving phantom stock units settled in cash upon termination of service.
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Mary Ellen Coe, a Director at Merck & Co., Inc., has reported transactions involving phantom stock units and common stock.
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Merck & Co., Inc. director Kathy J. Warden acquired 1,853.0997 phantom stock units, settled in cash upon termination of service.
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Merck & Co., Inc. director Surendralal L. Karsanbhai reported a transaction involving phantom stock units.
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Mary Ellen Coe, a Director at Merck & Co., Inc., reported transactions involving phantom stock units and common stock.
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Merck & Co., Inc. Director Inge G. Thulin has reported transactions involving phantom stock units and common stock.
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Merck & Co., Inc. Director Christine E. Seidman reported a transaction involving the acquisition of 100 shares of common stock and 1,853.0997 phantom stock units.
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Merck & Co., Inc. Director Patricia F. Russo has reported transactions involving common stock and phantom stock units.
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Merck & Co., Inc. Director Paul Rothman reported a transaction involving phantom stock units settled in cash upon termination of service.
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Merck & Co., Inc. director Stephen Mayo reported transactions involving phantom stock units and common stock.
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Merck & Co., Inc. Director Risa J. Lavizzo-Mourey reported transactions involving common stock and phantom stock units.
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Merck & Co., Inc. Director Thomas H. Glocer acquired 5,100 shares of common stock and a grant of phantom stock units.
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Merck & Co., Inc. Director Pamela J. Craig has reported transactions involving common stock and phantom stock units.
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Merck & Co., Inc. Director Douglas M. Baker Jr. reported transactions involving common stock and phantom stock units on May 29, 2026.
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Merck & Co., Inc. EVP Zachary Jennifer reports transactions involving restricted stock units and stock options.
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Merck & Co., Inc. executive David Michael Williams reported transactions involving restricted stock units and stock options.
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Merck & Co., Inc. EVP & CFO Caroline Litchfield has reported transactions involving restricted stock units and stock options.
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Merck & Co., Inc. Executive VP Dean Y. Li reports acquisition of restricted stock units and stock options.
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Betty D. Larson, EVP and Chief HR Officer of Merck & Co., Inc., reported transactions involving restricted stock units and stock options.
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Merck & Co., Inc. EVP Richard R. DeLuca reports acquisition of restricted stock units and exercise of stock options.
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Merck & Co., Inc. Chairman, CEO & President Robert M. Davis reported transactions involving restricted stock units and stock options.
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Merck & Co., Inc. EVP Brian Foard reported transactions involving restricted stock units and stock options on May 5, 2026.