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Congress Stock Tracker

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

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© 2026 Congress Stock Tracker. Data from public STOCK Act filings.For informational purposes only. Not financial advice.
Stocks
Merit Medical Systems, Inc.

Merit Medical Systems, Inc.MMSI

NASDAQHealthcareMedical Devices$69.95+2.61%

Price as of Mar 15, 3:59 PM EDT · delayed, not real-time

A medical device manufacturer specializing in disposable products for interventional, diagnostic, and therapeutic procedures, particularly in cardiology, radiology, and endoscopy. The company has grown through strategic acquisitions and product innovation, making it a mid-cap player in the competitive medtech space that analysts watch for margin expansion opportunities.

Market Cap: $4.2B52W Range: $67.42 – $107.27

Congressional Interest in Merit Medical Systems, Inc. (MMSI)

3 members of Congress have disclosed 8 trades in Merit Medical Systems, Inc. (MMSI), a Healthcare company. The buy/sell breakdown shows 3 purchases versus 5 sales, indicating net selling pressure from lawmakers. All data is sourced from STOCK Act periodic transaction reports filed with Congress.

Total Disclosures
8
Unique Politicians
3
Buys
3
Sells
5

Who in Congress Is Trading MMSI?

DatePoliticianTypeAmountSecurity
2025-09-25Lisa McClainsell$1K – $15KStock
2025-09-25Lisa McClainsell$1K – $15KStock
2025-07-22Lisa McClainbuy$1K – $15KStock
2022-03-02MICHAEL T. MCCAULbuy$1K – $15KStock
2019-03-26MICHAEL T. MCCAULsell$1K – $15KStock
2017-08-08MICHAEL T. MCCAULsell$1K – $15KStock
2015-11-24MICHAEL T. MCCAULbuy$1K – $15KStock
2015-05-26STEVE CHABOTsell$15K – $50KStock
Lisa McClainsell
2025-09-25$1K – $15K
Stock
Lisa McClainsell
2025-09-25$1K – $15K
Stock
Lisa McClainbuy
2025-07-22$1K – $15K
Stock
MICHAEL T. MCCAULbuy
2022-03-02$1K – $15K
Stock
MICHAEL T. MCCAULsell
2019-03-26$1K – $15K
Stock
MICHAEL T. MCCAULsell
2017-08-08$1K – $15K
Stock
MICHAEL T. MCCAULbuy
2015-11-24$1K – $15K
Stock
STEVE CHABOTsell
2015-05-26$15K – $50K
Stock

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