MMSI stock trades by members of Congress

Activity by year

Transactions by the year the report was filed.

MMSI price and Congress trades

Daily closing price (split-adjusted). Dots mark days members of Congress filed trades in MMSI: green when more were purchases, red when more were sales. Use + and − (or Ctrl/⌘ + scroll) to zoom and drag to pan. Hover a month in the heatmap below to highlight it here, or click it to zoom to that month.

Congress buying and selling by month

Purchases and sales of MMSI reported by members of the House and Senate.

Green months had more purchases, red months more sales, teal an even split; darker means more trades. Months are by filing date. Senate filings after August 2026 and scanned House filings are not fully covered, so early years can look quieter than they were.

Who traded MMSI

Disclosed transactions

Download all transactions as CSV

Stocks traded by the same politicians

• DHI D.R. Horton, Inc. Common Stock, 2 shared
• NFLX Netflix, Inc. - Common Stock, 2 shared
• A Agilent Technologies, Inc. Common Stock, 1 shared
• AAL American Airlines group, Inc., 1 shared
• AAPL Apple Inc. - Common Stock, 1 shared
• ABBV AbbVie Inc. Common Stock, 1 shared
• ABT Abbott Laboratories Common Stock, 1 shared
• ACI Albertsons Companies, Inc. Class A..., 1 shared
• ACIW ACI Worldwide, Inc. - Common Stock, 1 shared
• ACN Accenture plc Class A Ordinary Shares, 1 shared

Common questions

Are members of Congress buying or selling MMSI?

2 members of Congress disclosed 3 transactions in Merit Medical Systems, Inc. - Common Stock (MMSI) between 2015-06-25 and 2025-10-22: 1 purchases and 2 sales.

How active was Congress in MMSI recently?

In 2025 filings, 2 transactions in MMSI were disclosed: 1 purchases and 1 sales.

Which members of Congress trade MMSI?

The most active in MMSI are Lisa McClain (2) and Steve Chabot (1), by number of disclosed transactions. 2 members in all have traded it.