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MRK

Merck & Co.

MRK congressional trading profile
High signal Healthcare Latest filing: Jul 21, 2026
140
Disclosed trades tracked
$3.3M
Estimated traded volume (range midpoints)
29
Members of Congress who traded it
75/100
Highest conflict score
29 members have disclosed 140 trades in MRK ($3.3M total, 44% buys). multiple members traded within a 14-day window (cluster pattern). · All-time figures from public STOCK Act filings, same database view as our dashboard · as of September 6, 2026
All-time

Members of Congress who trade MRK

29 members have disclosed 140 filings in Merck & Co. (MRK) — ranked by estimated volume (range midpoints). Click a member for their full trading profile.
MemberPartyTradesBuys / sellsEst. volumeLast filedTop conflict
Michael T. McCaulR175 / 12$1.4MFeb 11, 202655
Ro KhannaD5025 / 25$940kJul 6, 202640
Gilbert CisnerosD85 / 3$113kJan 12, 202640
Rob BresnahanR31 / 2$98kMay 31, 202530
Pete RickettsR10 / 1$75kOct 20, 202340
Kathy ManningD54 / 1$73kAug 16, 202435
Jefferson ShreveR21 / 1$65kMay 8, 202540
Daniel GoldmanD52 / 3$65kAug 13, 202345
Jared MoskowitzD65 / 1$64kFeb 10, 202545
Josh GottheimerD41 / 3$57kMar 16, 202640
Showing the top 10 of 29 members. The complete history is in the dashboard.
Latest activity

Congressional trades in MRK — last 90 days

Loaded live from our database  ·  refreshed twice daily as new STOCK Act filings sync
MemberPartyFiledTradedTypeAmountConflict
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Questions

Frequently asked

Which members of Congress trade MRK?
29 members of Congress have disclosed trades in Merck & Co. (MRK). The most active by estimated volume: Michael T. McCaul, Ro Khanna, Gilbert Cisneros. The full ranking is in the table above.
How many congressional trades in MRK are on record?
140 disclosed filings, 44% of them purchases, with an estimated combined volume of $3.3M (midpoints of the reported ranges). The latest filing we track is dated Jul 21, 2026.
Is MRK a high-conflict stock in Congress?
Our current signal for MRK is High signal: the highest conflict score across its filings is 75/100, and multiple members traded it within a 14-day window (cluster pattern). Scores measure the appearance of conflict in public data — not wrongdoing. How we compute it →
How can I get alerted when Congress trades MRK?
Create a free Trade The Hill account, add MRK as an alert, and our engine emails you a digest after each twice-daily sync — the same day new filings land. The free plan includes 3 alerts.
Get an email when Congress trades MRK again
Create a free account, set an alert on MRK, and our engine emails you a digest after each twice-daily sync — the same day new filings land. Free plan: 3 alerts, no card required.
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What is the conflict score? A 0–100 rating we compute for every disclosed trade from the overlap between the stock and the member's committee oversight, the size of the trade, and how slowly it was filed. 80+ flags a high conflict. It measures the appearance of conflict in public data — not wrongdoing. How we compute it →