CS
Congress StockCongress Stock
TradesPoliticiansStocksStatesCommitteesRankingsArticles
CS
Congress Stock Tracker

Tracking congressional stock trades from public STOCK Act Periodic Transaction Reports (PTRs) filed by members of the US House and Senate.

Browse

  • Trades
  • Politicians
  • Stocks
  • Committees
  • States

Top Politicians

  • Nancy Pelosi
  • Tommy Tuberville
  • Mark Kelly
  • Dan Sullivan
  • Tim Scott
  • Rick Scott
  • John Thune
  • Jamie Raskin

Discover

  • Rankings
  • Wealthiest Members
  • Articles
  • Learn
  • What is the STOCK Act?
  • About the data
  • Methodology
  • Report missing trade
  • Privacy Policy
  • Terms of Use

Data

  • House Disclosures ↗
  • Senate PTRs ↗
  • What is the STOCK Act?
  • Hedge Fund Tracker ↗
  • Insider Trading Screener ↗
© 2026 Congress Stock Tracker. Data from public STOCK Act filings.For informational purposes only. Not financial advice.
Stocks
Merck & Co., Inc.

Merck & Co., Inc.MRK

NYSEHealthcarePharmaceuticals$115.62-0.25%

A global pharmaceutical company focused on prescription medicines, vaccines, and biologic therapies, Merck generates a significant share of revenue from its oncology franchise, led by blockbuster immunotherapy Keytruda. The company also maintains a sizable vaccines business and an expanding pipeline in oncology, infectious diseases, and cardiometabolic conditions. Investors monitor patent expiration timelines, clinical trial outcomes, and capital allocation as key drivers of long-term earnings growth.

Market Cap: $285.9B52W Range: $73.31 – $125.14

Congressional Interest in Merck & Co., Inc. (MRK)

15 members of Congress have disclosed 50 trades in Merck & Co., Inc. (MRK), a Healthcare company. The buy/sell breakdown shows 23 purchases versus 27 sales, indicating net selling pressure from lawmakers. All data is sourced from STOCK Act periodic transaction reports filed with Congress.

Total Disclosures
50
Unique Politicians
15
Buys
23
Sells
27

Who in Congress Is Trading MRK?

DatePoliticianTypeAmountSecurity
2024-05-08MICHAEL T. MCCAULbuy$1K – $15KStock
2024-05-01MICHAEL T. MCCAULsell$1K – $15KStock

Related

All stocks traded by CongressFull trade feedMost active tradersAbout the STOCK ActReport missing trade
2024-04-10MICHAEL C. BURGESSsell$1K – $15KStock
2024-03-05Rohit Khannasell$1K – $15KStock
2024-02-27Rohit Khannasell$1K – $15KStock
2024-02-15MICHAEL T. MCCAULbuy$15K – $50KStock
2024-01-23Kathy Manningbuy$1K – $15KStock
2024-01-23Kathy Manningbuy$1K – $15KStock
2024-01-23Kathy Manningbuy$15K – $50KStock
2024-01-17Rohit Khannabuy$1K – $15KStock
2024-01-10Rohit Khannasell$1K – $15KStock
2023-12-28Jared Moskowitzbuy$1K – $15KStock
2023-12-28Jared Moskowitzbuy$1K – $15KStock
2023-12-06Rohit Khannabuy$1K – $15KStock
2023-12-05Rohit Khannasell$1K – $15KStock
2023-12-04Rohit Khannabuy$1K – $15KStock
2023-11-30Richard W. Allensell$1K – $15KStock
2023-11-10John Jamesbuy$1K – $15KStock
2023-11-02JANE HARMANsell$1K – $15KStock
2023-10-31Rohit Khannasell$1K – $15KStock
2023-10-31Rohit Khannasell$1K – $15KStock
2023-10-27MICHAEL T. MCCAULbuy$15K – $50KStock
2023-10-24Greg Stantonsell$1K – $15KStock
2023-10-16Thomas H Tubervillesell$1K – $15KStock
2023-10-02Rohit Khannasell$1K – $15KStock
2023-09-26Greg Stantonbuy$1K – $15KStock
2023-09-21John P Rickettssell$50K – $100KStock
2023-09-14Diana Harshbargerbuy$1K – $15KStock
2023-09-13MICHAEL C. BURGESSsell$1K – $15KStock
2023-09-12Rohit Khannasell$1K – $15KStock
2023-09-11C. Scott Franklinsell$15K – $50KStock
2023-09-08Lois Frankelsell$1K – $15KStock
2023-09-06Rohit Khannabuy$1K – $15KStock
2023-09-06Lois Frankelsell$1K – $15KStock
2023-09-06Rohit Khannasell$1K – $15KStock
2023-09-06Rohit Khannasell$1K – $15KStock
2023-09-05Rohit Khannasell$1K – $15KStock
2023-09-01Jared Moskowitzbuy$1K – $15KStock
2023-08-30Rohit Khannabuy$1K – $15KStock
2023-08-24Rohit Khannabuy$1K – $15KStock
2023-08-02Lois Frankelsell$1K – $15KStock
2023-07-26MICHAEL T. MCCAULbuy$1K – $15KStock
2023-07-14Daniel Goldmansell$1K – $15KStock
2023-07-14Jared Moskowitzbuy$1K – $15KStock
2023-07-12Daniel Goldmansell$1K – $15KStock
2023-07-02Richard W. Allenbuy$15K – $50KStock
2023-06-29Rohit Khannasell$15K – $50KStock
2023-06-28Lois Frankelsell$1K – $15KStock
2023-06-26Rohit Khannabuy$1K – $15KStock
2023-06-13Diana Harshbargerbuy$50K – $100KStock
MICHAEL T. MCCAULbuy
2024-05-08$1K – $15K
Stock
MICHAEL T. MCCAULsell
2024-05-01$1K – $15K
Stock
MICHAEL C. BURGESSsell
2024-04-10$1K – $15K
Stock
Rohit Khannasell
2024-03-05$1K – $15K
Stock
Rohit Khannasell
2024-02-27$1K – $15K
Stock
MICHAEL T. MCCAULbuy
2024-02-15$15K – $50K
Stock
Kathy Manningbuy
2024-01-23$1K – $15K
Stock
Kathy Manningbuy
2024-01-23$1K – $15K
Stock
Kathy Manningbuy
2024-01-23$15K – $50K
Stock
Rohit Khannabuy
2024-01-17$1K – $15K
Stock
Rohit Khannasell
2024-01-10$1K – $15K
Stock
Jared Moskowitzbuy
2023-12-28$1K – $15K
Stock
Jared Moskowitzbuy
2023-12-28$1K – $15K
Stock
Rohit Khannabuy
2023-12-06$1K – $15K
Stock
Rohit Khannasell
2023-12-05$1K – $15K
Stock
Rohit Khannabuy
2023-12-04$1K – $15K
Stock
Richard W. Allensell
2023-11-30$1K – $15K
Stock
John Jamesbuy
2023-11-10$1K – $15K
Stock
JANE HARMANsell
2023-11-02$1K – $15K
Stock
Rohit Khannasell
2023-10-31$1K – $15K
Stock
Rohit Khannasell
2023-10-31$1K – $15K
Stock
MICHAEL T. MCCAULbuy
2023-10-27$15K – $50K
Stock
Greg Stantonsell
2023-10-24$1K – $15K
Stock
Thomas H Tubervillesell
2023-10-16$1K – $15K
Stock
Rohit Khannasell
2023-10-02$1K – $15K
Stock
Greg Stantonbuy
2023-09-26$1K – $15K
Stock
John P Rickettssell
2023-09-21$50K – $100K
Stock
Diana Harshbargerbuy
2023-09-14$1K – $15K
Stock
MICHAEL C. BURGESSsell
2023-09-13$1K – $15K
Stock
Rohit Khannasell
2023-09-12$1K – $15K
Stock
C. Scott Franklinsell
2023-09-11$15K – $50K
Stock
Lois Frankelsell
2023-09-08$1K – $15K
Stock
Rohit Khannabuy
2023-09-06$1K – $15K
Stock
Lois Frankelsell
2023-09-06$1K – $15K
Stock
Rohit Khannasell
2023-09-06$1K – $15K
Stock
Rohit Khannasell
2023-09-06$1K – $15K
Stock
Rohit Khannasell
2023-09-05$1K – $15K
Stock
Jared Moskowitzbuy
2023-09-01$1K – $15K
Stock
Rohit Khannabuy
2023-08-30$1K – $15K
Stock
Rohit Khannabuy
2023-08-24$1K – $15K
Stock
Lois Frankelsell
2023-08-02$1K – $15K
Stock
MICHAEL T. MCCAULbuy
2023-07-26$1K – $15K
Stock
Daniel Goldmansell
2023-07-14$1K – $15K
Stock
Jared Moskowitzbuy
2023-07-14$1K – $15K
Stock
Daniel Goldmansell
2023-07-12$1K – $15K
Stock
Richard W. Allenbuy
2023-07-02$15K – $50K
Stock
Rohit Khannasell
2023-06-29$15K – $50K
Stock
Lois Frankelsell
2023-06-28$1K – $15K
Stock
Rohit Khannabuy
2023-06-26$1K – $15K
Stock
Diana Harshbargerbuy
2023-06-13$50K – $100K
Stock
Prev
1234...12
Next