Merck & Company Inc Congressional Trading
According to U.S. congressional financial disclosures filed under the STOCK Act, members of Congress have reported 518 trades in Merck & Company Inc (NYSE: MRK) since 2014, across 65 members, worth an estimated $11.9M in disclosed volume (the midpoint of the dollar ranges members report, not exact amounts). 264 buys against 250 sells, a modestly buy-led skew, with Democratic members responsible for 58% of the trades and Republican members 42%. The most recent disclosure shown was filed April 2026, and Julie Johnson has filed the most MRK transactions among those shown, with 8. Other recent filers include Ro Khanna, Josh Gottheimer, and Michael T. McCaul. One notable disclosed move was a purchase by Ro Khanna on June 20, 2025, up 54.5% 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. Merck & Company Inc's current Bullish Whales Tide Score is 59 out of 100 (Mid Tide), Top 5% of universe (87); the Tide Score is generated algorithmically from public filings and market data and is not investment advice. 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 Merck & Company Inc (MRK) stock overview and the complete trade table below.
Data updated
Price & congressional trade timeline
Party breakdown
Merck & Company congressional trading activity
| Politician | Published | Traded | Filed After | Type | Size | Return | |
|---|---|---|---|---|---|---|---|
 Ro Khanna House | Apr 7, 2026 | Mar 10, 2026 | 28 days | BUY |  $15,001 - $50,000 | +2.43% | |
 Josh Gottheimer House | Mar 16, 2026 | Feb 4, 2026 | 40 days | BUY | $1,001 - $15,000 | +1.35% | |
Josh Gottheimer House | Mar 16, 2026 | Feb 4, 2026 | 40 days | BUY | $1,001 - $15,000 | +1.35% | |
 Michael T. McCaul House | Feb 11, 2026 | Jan 13, 2026 | 29 days | SELL | $15,001 - $50,000 | +10.78% | |
 Gilbert Cisneros House | Jan 13, 2026 | Dec 19, 2025 | 25 days | BUY | $1,001 - $15,000 | +18.64% | |
Gilbert Cisneros House | Jan 12, 2026 | Dec 19, 2025 | 24 days | BUY | $1,001 - $15,000 | +18.64% | |
 Julie Johnson House | Jan 16, 2026 | Dec 18, 2025 | 29 days | SELL | $1,001 - $15,000 | +19.11% | |
Julie Johnson House | Jan 15, 2026 | Dec 18, 2025 | 28 days | SELL | $1,001 - $15,000 | +19.11% | |
Gilbert Cisneros House | Dec 16, 2025 | Nov 18, 2025 | 28 days | BUY | $1,001 - $15,000 | +25.43% | |
Gilbert Cisneros House | Dec 15, 2025 | Nov 18, 2025 | 27 days | BUY | $1,001 - $15,000 | +25.43% |
Merck & Company (MRK) congressional trading FAQ
Can members of Congress legally trade Merck & Company (MRK) stock?
Yes. Members of Congress are permitted to trade individual stocks, including Merck & Company (MRK), 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 Merck & Company (MRK) trades public?
Yes. Every congressional trade in Merck & Company (MRK) 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 Merck & Company (MRK)?
Members of Congress have disclosed 518 trades in Merck & Company (MRK) worth $11.9M across 65 members, according to public STOCK Act filings.
Which members of Congress have traded Merck & Company (MRK)?
Recent and active filers of Merck & Company (MRK) disclosures include Julie Johnson, Ro Khanna, Gilbert Cisneros. The full member-by-member trade list is on this page.
Do Democrats or Republicans trade Merck & Company (MRK) more?
Across disclosed Merck & Company (MRK) trades, 58% were by Democrats and 42% by Republicans, led by Democrats (58%).
What is the most recent congressional Merck & Company (MRK) trade?
The most recent disclosed Merck & Company (MRK) trade was a purchase by Ro Khanna, filed Apr 6, 2026.
What is Merck & Company (MRK)'s Tide Score?
Merck & Company (MRK) has a BullishWhales Tide Score of 59 (Mid Tide). The Tide Score is a 0-100 read blending price forecast, smart-money flow, technicals, and social sentiment; higher is more bullish.
Browse all stocks Congress tradesCongressional trading overviewMerck & Company (MRK) stock overview
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.