Merck & Company Inc (MRK) Insider Trading

Total insider buys:
  • $76,196,930.25
Total insider sells:
  • $746,098,067.04
Most recent insider trade:
  • Feb. 9, 2026
Most active insider trader:
  • Kenneth C Frazier
Trader NameDateTitleAmountPriceTypeTotal Value
Feb. 10, 2014Director5,000$54.44Sell$272,200.00
Feb. 10, 2014Insider50,000$54.68Sell$2,734,000.00
Aug. 7, 2013Insider50,638$48.55Sell$2,458,474.90
May 15, 2013Insider34,208$46.66Sell$1,596,145.28
May 13, 2013VP5,404$46.15Sell$249,394.60
Aug. 9, 2012Insider62,324$44.26Sell$2,758,460.24
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  • Insiders are both buying and selling Merck & Company Inc stock.

  • The insider traders at Merck & Company Inc are: Kenneth C Frazier, Richard R Deluca, Adam H Schechter, Steven Mizell, Sanat Chattopadhyay, Robert M Davis, Weir Mirian M Graddick, Wendell P Weeks, Julie L Gerberding, Frank Clyburn, Rita A Karachun, Johannes Jacobus Oosthuizen, Willie A Deese, Bruce N Kuhlik, Clark Golestani, Rochelle B Lazarus, Caroline Litchfield, Marjorie Taylor Greene, Merck & Co., Inc., Michael J Holston, Chirfi Guindo, Adele D Ambrose, Kenneth Frazier, Adam Schechter, Thomas H Glocer, Joseph Romanelli, Dalton E Smart III, Willie Deese, Michael J. Holston, Adele D. Ambrose, Ashley Watson, Bridgette Heller, Bridgette P Heller, Bruce Kuhlik, Cristal N Downing, C Robert Kidder, David Michael Williams, Dean Y Li, Inge G Thulin, Jennifer Zachary, John Canan, John James, Julie L. Gerberding, Kenneth C. Frazier, Leslie A Brun, Patricia F Russo, Peter C Wendell, Peter C. Wendell, Peter Wendell, Rita A. Karachun, Roger M Perlmutter, Thomas R Cech, Weir Mirian M. Graddick, and Wendell P. Weeks

  • The most active insider trader at Merck & Company Inc is Kenneth C Frazier with 26 trades.

  • Kenneth C Frazier has sold the most Merck & Company Inc stock with a total value of $294,584,131.58.

  • Merck & Co., Inc. has bought the most Merck & Company Inc stock with a total value of $141,893,846.00.

  • The most recent insider trade for Merck & Company Inc was on Feb. 9, 2026.

  • The single biggest insider buy for Merck & Company Inc was from Merck & Co., Inc. with a total value of $65,946,928.00 on April 8, 2019.

  • The single biggest insider sell for Merck & Company Inc was from Kenneth C Frazier with a total value of $54,610,851.06 on Nov. 9, 2021.