Merit Medical Systems Inc Congressional Trading
According to U.S. congressional financial disclosures filed under the STOCK Act, members of Congress have reported 3 trades in Merit Medical Systems Inc (NASDAQ: MMSI) since 2015, across 2 members, worth an estimated $48.50K in disclosed volume (the midpoint of the dollar ranges members report, not exact amounts). 1 buy against 2 sells, a modestly sell-led skew, with Democratic members responsible for 0% of the trades and Republican members 100%. The most recent disclosure shown was filed October 2025, and Lisa Mcclain has filed the most MMSI transactions among those shown, with 2. One notable disclosed move was a purchase by Lisa Mcclain on July 22, 2025, down 28.2% since. These figures are drawn from public House and Senate periodic transaction reports and reflect what members were required to disclose, not the current market value of any position. For the full record, including the month-by-month buy and sell timeline, the party breakdown, top buyers and sellers, and every individual filing, see the Merit Medical Systems Inc (MMSI) stock overview and the complete trade table below.
Data updated
Price & congressional trade timeline
Party breakdown
Merit Medical Systems congressional trading activity
| Politician | Published | Traded | Filed After | Type | Size | Return | |
|---|---|---|---|---|---|---|---|
 Lisa Mcclain House | Oct 22, 2025 | Sep 25, 2025 | 27 days | SELL |  $1,001 - $15,000 | -24.24% | |
Lisa Mcclain House | Aug 13, 2025 | Jul 22, 2025 | 22 days | BUY | $1,001 - $15,000 | -28.20% |
Merit Medical Systems (MMSI) congressional trading FAQ
Can members of Congress legally trade Merit Medical Systems (MMSI) stock?
Yes. Members of Congress are permitted to trade individual stocks, including Merit Medical Systems (MMSI), but the STOCK Act of 2012 requires them to publicly disclose each transaction within 45 days. BullishWhales tracks those disclosures; it does not imply any trade was improper.
Are congressional Merit Medical Systems (MMSI) trades public?
Yes. Every congressional trade in Merit Medical Systems (MMSI) on this page comes from mandatory public STOCK Act disclosure filings, which are filed with a delay and may be revised.
How many times has Congress traded Merit Medical Systems (MMSI)?
Members of Congress have disclosed 3 trades in Merit Medical Systems (MMSI) worth $48.50K across 2 members, according to public STOCK Act filings.
Which members of Congress have traded Merit Medical Systems (MMSI)?
Recent and active filers of Merit Medical Systems (MMSI) disclosures include Lisa Mcclain. The full member-by-member trade list is on this page.
Do Democrats or Republicans trade Merit Medical Systems (MMSI) more?
Across disclosed Merit Medical Systems (MMSI) trades, 0% were by Democrats and 100% by Republicans, led by Republicans (100%).
What is the most recent congressional Merit Medical Systems (MMSI) trade?
The most recent disclosed Merit Medical Systems (MMSI) trade was a sale by Lisa Mcclain, filed Oct 21, 2025.
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Not investment advice. Congressional trading data is sourced from public STOCK Act disclosures, which are filed with a delay and may contain errors or be revised. The Tide Score and other figures are generated algorithmically from public filings and market data and describe historical activity, not a recommendation. Always do your own research and consult a licensed financial advisor before making investment decisions.