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Who in Congress trades MRK?

Merck & Company, Inc. Common Stock (new)

9 members of Congress have disclosed 43 MRK transactions between May 27, 2015 – March 27, 2026. Under the STOCK Act these must be filed within 45 days of the trade.

43
transactions
9
members
24 / 19
buys / sells
$718K–$2.1M
disclosed value

Price and trade timing

When members traded MRK, against its weekly closing price.

$33.9$81.3$129201520172019202120232025
bought sold weekly close, split-adjusted

Markers sit on the date the trade happened; it was disclosed up to 45 days later. Prices are weekly closes adjusted for splits and dividends. Shown as context for the public record — we do not calculate returns or performance for any member, and none of this is investment advice.

Who trades it most

David PerdueR-GA
25 trades14 buy11 sell
Sheldon WhitehouseD-RI
4 trades3 buy1 sell
James M. InhofeR-OK
3 trades2 buy1 sell
Shelley Moore CapitoR-WV
3 trades1 buy2 sell
Kelly LoefflerR-GA
2 trades1 buy1 sell
Patty MurrayD-WA
2 trades1 buy1 sell
John HoevenR-ND
2 trades1 buy1 sell
Alan ArmstrongR-OK
1 trade0 buy1 sell
Susan M. CollinsR-ME
1 trade1 buy0 sell

MRK trades by year

4
15
2
16
19
17
6
18
3
19
8
20
1
26

Every disclosed MRK trade

Newest first, through July 24, 2026. Each row links to the original filing. 1 of these were filed after the 45-day deadline.

MemberTypeAmountTradedFiling
Alan ArmstrongRSellLate$15,001 - $50,000March 27, 2026View
David PerdueRSell$1,001 - $15,000April 16, 2020View
David PerdueRSell$50,001 - $100,000April 14, 2020View
David PerdueRSell$15,001 - $50,000April 14, 2020View
Kelly LoefflerRBuy$15,001 - $50,000April 7, 2020View
David PerdueRSell$1,001 - $15,000April 6, 2020View
David PerdueRSell$15,001 - $50,000April 3, 2020View
David PerdueRSell$15,001 - $50,000March 31, 2020View
Kelly LoefflerRSell$1,001 - $15,000February 5, 2020View
David PerdueRSell$15,001 - $50,000April 10, 2019View
David PerdueRSell$15,001 - $50,000February 19, 2019View
James M. InhofeRSell$100,001 - $250,000January 11, 2019View
David PerdueRSell$1,001 - $15,000October 29, 2018View
David PerdueRSell$15,001 - $50,000October 3, 2018View
Susan M. CollinsRBuy$1,001 - $15,000June 4, 2018View
David PerdueRBuy$1,001 - $15,000April 24, 2018View
David PerdueRBuy$100,001 - $250,000January 16, 2018View
Shelley Moore CapitoRSell$1,001 - $15,000January 4, 2018View
David PerdueRSell$100,001 - $250,000December 13, 2017View
Sheldon WhitehouseDSell$15,001 - $50,000November 27, 2017View
David PerdueRBuy$1,001 - $15,000October 30, 2017View
David PerdueRBuy$15,001 - $50,000October 27, 2017View
Shelley Moore CapitoRSell$1,001 - $15,000October 26, 2017View
David PerdueRBuy$1,001 - $15,000October 18, 2017View
David PerdueRBuy$1,001 - $15,000October 5, 2017View
David PerdueRBuy$1,001 - $15,000September 29, 2017View
David PerdueRBuy$1,001 - $15,000September 27, 2017View
David PerdueRBuy$1,001 - $15,000September 26, 2017View
David PerdueRBuy$15,001 - $50,000September 22, 2017View
David PerdueRBuy$1,001 - $15,000September 21, 2017View
David PerdueRBuy$1,001 - $15,000September 12, 2017View
David PerdueRBuy$1,001 - $15,000September 11, 2017View
David PerdueRBuy$15,001 - $50,000September 8, 2017View
Shelley Moore CapitoRBuy$1,001 - $15,000September 5, 2017View
Patty MurrayDSell$1,001 - $15,000June 15, 2017View
Patty MurrayDBuy$1,001 - $15,000March 16, 2017View
John HoevenRSell$50,001 - $100,000January 25, 2017View
John HoevenRBuy$50,001 - $100,000January 28, 2016View
Sheldon WhitehouseDBuy$1,001 - $15,000January 14, 2016View
James M. InhofeRBuy$15,001 - $50,000August 12, 2015View
Sheldon WhitehouseDBuy$1,001 - $15,000July 10, 2015View
James M. InhofeRBuy$50,001 - $100,000July 9, 2015View
Sheldon WhitehouseDBuy$1,001 - $15,000May 27, 2015View

Public STOCK Act disclosures (U.S. Senate eFD and House Clerk), shown for transparency and education — not investment advice, and not a statement of what any member currently owns. Back to the full Congress trades tracker.