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MRK

Merck & Co., Inc.

Pharmaceutical Preparations

$146.87updated Sep 19, 2026

Congressional trading profile for Merck & Co., Inc. (MRK), covering 41 disclosed transactions by 18 lawmakers.

Merck makes pharmaceutical products to treat several conditions in a number of therapeutic areas, including cardiometabolic disease, cancer, and infections. Within cancer, the firm's immuno-oncology platform, led by Keytruda, is a major contributor to overall sales. The company also has a substantial vaccine business aimed at preventing pediatric diseases, as well as Gardasil for human papillomavirus. Additionally, Merck sells animal health-related drugs. From a geographical perspective, 47% of the company's sales are generated from US human health (pharmaceuticals and vaccines).

Total Trades

41

Politicians Trading

18

Last Traded

Aug 24, 2026

Price history

Congressional Trades

PoliticianNotifiedTradedTypeAmountChange
Alan ArmstrongRJul 21, 2026Mar 27, 2026Sell$15,001 - $50,000+22.77%