MRK Congressional Stock Trades
MERCK & CO., INC.
Last disclosed trade Sep 24
Every disclosed trade in MRK by members of Congress under the STOCK Act, parsed by Coldpine. Informational only, sourced from public filings. Not investment advice. See every healthcare stock Congress trades.
Sample · the intelligence layer
Marjorie Taylor Greene · Bought $MRK · Apr 9 · $1K–$15K
1 other member traded this name in the same window.
Every disclosed trade in the database gets this treatment: a four-factor score and a written read from Coldpine’s AI-based analysis. Informational only, not investment advice. Create a free account for every scored trade →
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The record on $MRK
Coldpine has parsed 104 disclosed trades in $MRK by 19 members of Congress, drawn from 67 periodic transaction reports dated Jul 7, 2022 through Sep 24, 2026. That is 103 trades from House members and 1 trade from senators, filed 70 by Democrats and 34 by Republicans.
Of the 104 trades with a known filing lag, 8 were reported more than 45 days after the trade date, outside the window the STOCK Act sets. The median lag was 26 days. The longest was 819 days: a $MRK purchase by Byron Donalds dated Aug 12, 2022, disclosed Nov 8, 2024. How late filing is measured across all of Congress is in the late-filers study.
79 of the 89 trades that list an account holder (89%) were reported under a spouse, dependent child, or joint account rather than the member directly.
Rohit Khanna filed the most $MRK purchases (36), and Rohit Khanna the most sales (15).
Activity peaked in 2025 with 35 trades. The busiest single month was May 2025, when 4 different members disclosed $MRK trades. In 1 calendar month out of 37 with activity, three or more members bought $MRK in the same month, the same-direction overlap Coldpine's cluster detector looks for.
Across the 57 purchases Coldpine can price, $MRK moved +0.98% on average between the trade date and the disclosure date, against +2.13% for the S&P 500 over the same windows. The stock was higher at disclosure than at the trade in 60% of those purchases. That is a record of what already happened, not a forecast. Method: what stocks do before Congress discloses.
Members who trade MRK
Recent disclosed trades in MRK
| Date | Member | Type | Amount |
|---|---|---|---|
| Sep 24 | Maria Elvira Salazar(FL) | sell | $1K–$15K |
| Sep 4 | Rohit Khanna(CA) | sell | $1K–$15K |
| Aug 28 | Michael T. McCaul(TX) | sell | $50K–$100K |
| Aug 24 | Rohit Khanna(CA) | buy | $1K–$15K |
| Aug 19 | Maria Elvira Salazar(FL) | buy | $15K–$50K |
| Aug 19 | Maria Elvira Salazar(FL) | buy | $15K–$50K |
| Aug 7 | Rohit Khanna(CA) | buy | $15K–$50K |
| Aug 3 | Rohit Khanna(CA) | sell | $1K–$15K |
| Jul 8 | Rohit Khanna(CA) | buy | $1K–$15K |
| Jun 16 | Rohit Khanna(CA) | buy | $1K–$15K |
| Jun 2 | Rohit Khanna(CA) | buy | $1K–$15K |
| Mar 27 | Alan Armstrong(OK) | sell | $15K–$50K |
| Feb 4 | Josh Gottheimer(NJ) | buy | $1K–$15K |
| Jan 13 | Michael T. McCaul(TX) | sell | $15K–$50K |
| Dec 4 | Michael T. McCaul(TX) | sell | $15K–$50K |
| Oct 27 | Michael T. McCaul(TX) | sell | $15K–$50K |
| Sep 29 | Rohit Khanna(CA) | sell | $1K–$15K |
| Aug 28 | Marjorie Taylor Greene(GA) | buy | $1K–$15K |
| Aug 22 | Michael T. McCaul(TX) | sell | $50K–$100K |
| Aug 4 | Rohit Khanna(CA) | buy | $1K–$15K |
Showing 20 of 104 disclosed trades.
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Data sourced from public STOCK Act disclosures. Coldpine is a publisher of intelligence on congressional disclosures, not an investment adviser. See full history and scores, free with an account →