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Congress Stock Tracker

Tracking congressional stock trades from public STOCK Act Periodic Transaction Reports (PTRs) filed by members of the US House and Senate.

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© 2026 Congress Stock Tracker. Data from public STOCK Act filings.For informational purposes only. Not financial advice.

Congressional Stock Trades

Every publicly disclosed stock and asset transaction filed by US Congress members under the STOCK Act.

All transactions are sourced directly from Periodic Transaction Reports (PTRs) filed with the House of Representatives and the US Senate. Congress members must report trades within 45 days under the STOCK Act of 2012. Dollar amounts are shown as disclosed ranges, not exact figures. See the most active traders or browse by politician, stock, or committee. Notice something missing? Report a trade.

Showing trades in MRKClear
DatePoliticianAssetTypeOwnerAmountSecurityDetails
2020-11-04Tom Malinowski
Democrat · house
MRK
Merck & Co., Inc.
sellSelf$15K – $50KStockDetails
2020-10-07Lois Frankel
Democrat · house
MRK
Merck & Co., Inc.
buySelf$1K – $15KStock
Tom Malinowskisell
MRKMerck & Co., Inc.
2020-11-04$15K – $50K
Lois Frankelbuy
MRKMerck & Co., Inc.
2020-10-07$1K – $15K
Lois Frankelbuy
MRKMerck & Co., Inc.
2020-09-23$1K – $15K
Tom Malinowskibuy
Prev
1...567...12
Next
Details
2020-09-23Lois Frankel
Democrat · house
MRK
Merck & Co., Inc.
buySelf$1K – $15KStockDetails
2020-08-26Tom Malinowski
Democrat · house
MRK
Merck & Co., Inc.
buySelf$15K – $50KStockDetails
2020-08-24Tom Malinowski
Democrat · house
MRK
Merck & Co., Inc.
buySelf$15K – $50KStockDetails
2020-07-27David P. Roe
Republican · house
MRK
Merck & Co., Inc.
sellSelf$1K – $15KStockDetails
2020-07-27David P. Roe
Republican · house
MRK
Merck & Co., Inc.
buySelf$1K – $15KStockDetails
2020-07-02Richard W. Allen
Republican · house
MRK
Merck & Co., Inc.
buySelf$15K – $50KStockDetails
2020-04-16AMD #1David A Perdue , Jr
Republican · senate
MRK
Merck & Co., Inc.
sellJT$1K – $15KStockDetails
2020-04-15Lois Frankel
Democrat · house
MRK
Merck & Co., Inc.
buySelf$1K – $15KStockDetails
2020-04-14AMD #1David A Perdue , Jr
Republican · senate
MRK
Merck & Co., Inc.
sellJT$50K – $100KStockDetails
2020-04-14AMD #1David A Perdue , Jr
Republican · senate
MRK
Merck & Co., Inc.
sellJT$15K – $50KStockDetails
2020-04-07Kelly Loeffler
Republican · senate
MRK
Merck & Co., Inc.
buySP$15K – $50KStockDetails
2020-04-07David P. Roe
Republican · house
MRK
Merck & Co., Inc.
buySelf$15K – $50KStockDetails
2020-04-06AMD #1David A Perdue , Jr
Republican · senate
MRK
Merck & Co., Inc.
sellJT$1K – $15KStockDetails
2020-04-06David P. Roe
Republican · house
MRK
Merck & Co., Inc.
buySelf$15K – $50KStockDetails
2020-04-03AMD #1David A Perdue , Jr
Republican · senate
MRK
Merck & Co., Inc.
sellJT$15K – $50KStockDetails
2020-03-31David A Perdue , Jr
Republican · senate
MRK
Merck & Co., Inc.
sellJT$15K – $50KStockDetails
2020-03-30ROBERT J. WITTMAN
Republican · house
MRK
Merck & Co., Inc.
buySelf$1K – $15KStockDetails
2020-03-27John Curtis
Republican · house
MRK
Merck & Co., Inc.
buySelf$1K – $15KStockDetails
2020-03-24David P. Roe
Republican · house
MRK
Merck & Co., Inc.
buySelf$1K – $15KStockDetails
2020-03-23MICHAEL T. MCCAUL
Republican · house
MRK
Merck & Co., Inc.
buySelf$1K – $15KStockDetails
2020-03-23ZOE LOFGREN
Democrat · house
MRK
Merck & Co., Inc.
sellSpouse$1K – $15KStockDetails
2020-03-06David P. Roe
Republican · house
MRK
Merck & Co., Inc.
buySelf$1K – $15KStockDetails
2020-03-06David P. Roe
Republican · house
MRK
Merck & Co., Inc.
buySelf$15K – $50KStockDetails
2020-03-02MICHAEL T. MCCAUL
Republican · house
MRK
Merck & Co., Inc.
sellSelf$1K – $15KStockDetails
2020-02-27MICHAEL T. MCCAUL
Republican · house
MRK
Merck & Co., Inc.
sellSpouse$50K – $100KStockDetails
2020-02-21David P. Roe
Republican · house
MRK
Merck & Co., Inc.
buySelf$15K – $50KStockDetails
2020-02-21David P. Roe
Republican · house
MRK
Merck & Co., Inc.
buySelf$1K – $15KStockDetails
2020-02-20Mikie Sherrill
Democrat · house
MRK
Merck & Co., Inc.
sellSelf$1K – $15KStockDetails
2020-02-20Lois Frankel
Democrat · house
MRK
Merck & Co., Inc.
buySelf$1K – $15KStockDetails
2020-02-19Lois Frankel
Democrat · house
MRK
Merck & Co., Inc.
buySelf$1K – $15KStockDetails
2020-02-11David P. Roe
Republican · house
MRK
Merck & Co., Inc.
buySelf$1K – $15KStockDetails
2020-02-11David P. Roe
Republican · house
MRK
Merck & Co., Inc.
buySelf$15K – $50KStockDetails
2020-02-06Mikie Sherrill
Democrat · house
MRK
Merck & Co., Inc.
sellSelf$770+StockDetails
2020-02-05AMD #1Kelly Loeffler
Republican · senate
MRK
Merck & Co., Inc.
sellSP$1K – $15KStockDetails
2020-01-17Rohit Khanna
Democrat · house
MRK
Merck & Co., Inc.
buySelf$1K – $15KStockDetails
2020-01-13Michael John Gallagher
Unknown · house
MRK
Merck & Co., Inc.
sellSpouse$1K – $15KStockDetails
2019-12-31MICHAEL T. MCCAUL
Republican · house
MRK
Merck & Co., Inc.
sellSpouse$1K – $15KStockDetails
2019-12-12MICHAEL T. MCCAUL
Republican · house
MRK
Merck & Co., Inc.
sellDC$1K – $15KStockDetails
2019-12-12Rohit Khanna
Democrat · house
MRK
Merck & Co., Inc.
sellSelf$1K – $15KStockDetails
2019-11-18Thomas Suozzi
Democrat · house
MRK
Merck & Co., Inc.
sellSelf$15K – $50KStockDetails
2019-10-08Rohit Khanna
Democrat · house
MRK
Merck & Co., Inc.
buySelf$1K – $15KStockDetails
2019-09-27David P. Roe
Republican · house
MRK
Merck & Co., Inc.
buySelf$1K – $15KStockDetails
2019-09-13David P. Roe
Republican · house
MRK
Merck & Co., Inc.
buySelf$1K – $15KOtherDetails
2019-09-12David P. Roe
Republican · house
MRK
Merck & Co., Inc.
buySelf$1K – $15KStockDetails
2019-08-27David P. Roe
Republican · house
MRK
Merck & Co., Inc.
buySelf$1K – $15KStockDetails
2019-07-30David P. Roe
Republican · house
MRK
Merck & Co., Inc.
sellJoint$1K – $15KStockDetails
2019-07-22Bryan George Steil
Republican · house
MRK
Merck & Co., Inc.
sellSelf$1K – $15KStockDetails
2019-07-15David P. Roe
Republican · house
MRK
Merck & Co., Inc.
sellSelf$15K – $50KStockDetails
MRKMerck & Co., Inc.
2020-08-26$15K – $50K
Tom Malinowskibuy
MRKMerck & Co., Inc.
2020-08-24$15K – $50K
David P. Roesell
MRKMerck & Co., Inc.
2020-07-27$1K – $15K
David P. Roebuy
MRKMerck & Co., Inc.
2020-07-27$1K – $15K
Richard W. Allenbuy
MRKMerck & Co., Inc.
2020-07-02$15K – $50K
David A Perdue , Jrsell
MRKMerck & Co., Inc.
2020-04-16$1K – $15K
Lois Frankelbuy
MRKMerck & Co., Inc.
2020-04-15$1K – $15K
David A Perdue , Jrsell
MRKMerck & Co., Inc.
2020-04-14$50K – $100K
David A Perdue , Jrsell
MRKMerck & Co., Inc.
2020-04-14$15K – $50K
Kelly Loefflerbuy
MRKMerck & Co., Inc.
2020-04-07$15K – $50K
David P. Roebuy
MRKMerck & Co., Inc.
2020-04-07$15K – $50K
David A Perdue , Jrsell
MRKMerck & Co., Inc.
2020-04-06$1K – $15K
David P. Roebuy
MRKMerck & Co., Inc.
2020-04-06$15K – $50K
David A Perdue , Jrsell
MRKMerck & Co., Inc.
2020-04-03$15K – $50K
David A Perdue , Jrsell
MRKMerck & Co., Inc.
2020-03-31$15K – $50K
ROBERT J. WITTMANbuy
MRKMerck & Co., Inc.
2020-03-30$1K – $15K
John Curtisbuy
MRKMerck & Co., Inc.
2020-03-27$1K – $15K
David P. Roebuy
MRKMerck & Co., Inc.
2020-03-24$1K – $15K
MICHAEL T. MCCAULbuy
MRKMerck & Co., Inc.
2020-03-23$1K – $15K
ZOE LOFGRENsell
MRKMerck & Co., Inc.
2020-03-23$1K – $15K
David P. Roebuy
MRKMerck & Co., Inc.
2020-03-06$1K – $15K
David P. Roebuy
MRKMerck & Co., Inc.
2020-03-06$15K – $50K
MICHAEL T. MCCAULsell
MRKMerck & Co., Inc.
2020-03-02$1K – $15K
MICHAEL T. MCCAULsell
MRKMerck & Co., Inc.
2020-02-27$50K – $100K
David P. Roebuy
MRKMerck & Co., Inc.
2020-02-21$15K – $50K
David P. Roebuy
MRKMerck & Co., Inc.
2020-02-21$1K – $15K
Mikie Sherrillsell
MRKMerck & Co., Inc.
2020-02-20$1K – $15K
Lois Frankelbuy
MRKMerck & Co., Inc.
2020-02-20$1K – $15K
Lois Frankelbuy
MRKMerck & Co., Inc.
2020-02-19$1K – $15K
David P. Roebuy
MRKMerck & Co., Inc.
2020-02-11$1K – $15K
David P. Roebuy
MRKMerck & Co., Inc.
2020-02-11$15K – $50K
Mikie Sherrillsell
MRKMerck & Co., Inc.
2020-02-06$770+
Kelly Loefflersell
MRKMerck & Co., Inc.
2020-02-05$1K – $15K
Rohit Khannabuy
MRKMerck & Co., Inc.
2020-01-17$1K – $15K
Michael John Gallaghersell
MRKMerck & Co., Inc.
2020-01-13$1K – $15K
MICHAEL T. MCCAULsell
MRKMerck & Co., Inc.
2019-12-31$1K – $15K
MICHAEL T. MCCAULsell
MRKMerck & Co., Inc.
2019-12-12$1K – $15K
Rohit Khannasell
MRKMerck & Co., Inc.
2019-12-12$1K – $15K
Thomas Suozzisell
MRKMerck & Co., Inc.
2019-11-18$15K – $50K
Rohit Khannabuy
MRKMerck & Co., Inc.
2019-10-08$1K – $15K
David P. Roebuy
MRKMerck & Co., Inc.
2019-09-27$1K – $15K
David P. Roebuy
MRKMerck & Co., Inc.
2019-09-13$1K – $15K
David P. Roebuy
MRKMerck & Co., Inc.
2019-09-12$1K – $15K
David P. Roebuy
MRKMerck & Co., Inc.
2019-08-27$1K – $15K
David P. Roesell
MRKMerck & Co., Inc.
2019-07-30$1K – $15K
Bryan George Steilsell
MRKMerck & Co., Inc.
2019-07-22$1K – $15K
David P. Roesell
MRKMerck & Co., Inc.
2019-07-15$15K – $50K