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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.
Stocks
Alexion Pharmaceuticals, Inc.

Alexion Pharmaceuticals, Inc.ALXN

NASDAQHealthcareBiotechnology$182.50+0.00%

A biotechnology company focused on developing therapies for rare and life‑threatening diseases, particularly those involving the complement system of the immune response. Its flagship drugs, including Soliris and Ultomiris, became major treatments for ultra‑rare blood and neurological disorders and ...

Market Cap: $052W Range: $99.91 – $187.45

Congressional Interest in Alexion Pharmaceuticals, Inc. (ALXN)

11 members of Congress have disclosed 50 trades in Alexion Pharmaceuticals, Inc. (ALXN), a Healthcare company. The buy/sell breakdown shows 17 purchases versus 33 sales, indicating net selling pressure from lawmakers. All data is sourced from STOCK Act periodic transaction reports filed with Congress.

Total Disclosures
50
Unique Politicians
11
Buys
17
Sells
33

Who in Congress Is Trading ALXN?

DatePoliticianTypeAmountSecurity
2025-07-31JAMES B. RENACCIbuy$15K – $50KStock
2025-07-30JAMES B. RENACCIsell$15K – $50KStock
2025-07-29JAMES B. RENACCIbuy$1K – $15KStock
2025-07-29JAMES B. RENACCIbuy$1K – $15KStock
2024-07-29JAMES B. RENACCIbuy$1K – $15KStock
2024-07-25JAMES B. RENACCIsell$1K – $15KStock
2024-07-25JAMES B. RENACCIbuy$1K – $15KStock
2024-07-16JAMES B. RENACCIsell$1K – $15KStock
2024-05-09JAMES B. RENACCIsell$1K – $15KStock
2024-05-09JAMES B. RENACCIsell$1K – $15KStock
2024-05-09JAMES B. RENACCIsell$1K – $15KStock
2024-04-25JAMES B. RENACCIsell$1K – $15KStock
2024-02-07JAMES B. RENACCIbuy$1K – $15KStock
2022-07-18Diana Harshbargersell$1K – $15KStock
2022-07-18Diana Harshbargersell$1K – $15KStock
2022-07-18Diana Harshbargersell$1K – $15KStock
2021-07-21Dean Phillipssell$1K – $15KStock
2021-07-09JAMES R. LANGEVINsell$15K – $50KStock
2021-01-05Dean Phillipsbuy$1K – $15KStock
2020-12-22Gilbert Cisnerossell$15K – $50KStock
2020-12-21Gilbert Cisnerossell$50K – $100KStock
2020-11-07KENNY MARCHANTbuy$15K – $50KStock
2020-07-14Gilbert Cisnerosbuy$1K – $15KStock
2020-07-13Gilbert Cisnerosbuy$1K – $15KStock
2020-03-18Gilbert Cisnerosbuy$1K – $15KStock
2020-02-28Dean Phillipssell$1K – $15KStock
2020-02-24Gilbert Cisnerosbuy$1K – $15KStock
2020-02-24Gilbert Cisnerossell$1K – $15KStock
2020-02-07Gilbert Cisnerossell$1K – $15KStock
2019-08-14Gilbert Cisnerosbuy$1K – $15KStock
2019-07-08MICHAEL T. MCCAULsell$1K – $15KStock
2019-05-06FRED UPTONbuy$15K – $50KStock
2019-04-10MICHAEL T. MCCAULsell$50K – $100KStock
2019-03-25Nicholas Van Taylorsell$1K – $15KStock
2019-01-04Dean Phillipsbuy$1K – $15KStock
2018-10-26Kurt Schradersell$1K – $15KStock
2018-06-26Kurt Schradersell$1K – $15KStock
2018-02-14JAMES B. RENACCIsell$1K – $15KStock
2018-02-02MICHAEL T. MCCAULsell$100K – $250KStock
2018-01-05MICHAEL T. MCCAULsell$15K – $50KStock
2017-08-01MICHAEL T. MCCAULsell$1K – $15KStock
2017-06-14Kurt Schraderbuy$1K – $15KStock
2017-05-30MICHAEL T. MCCAULsell$15K – $50KStock
2017-05-24MICHAEL T. MCCAULsell$1K – $15KStock
2017-05-04MICHAEL T. MCCAULsell$1K – $15KStock
2017-05-03MICHAEL T. MCCAULsell$1K – $15KStock
2017-05-02MICHAEL T. MCCAULsell$1K – $15KStock
2017-03-30MICHAEL T. MCCAULsell$15K – $50KStock
2017-02-24MICHAEL T. MCCAULsell$1K – $15KStock
2017-02-06JOHN K. DELANEYbuy$15K – $50KStock
JAMES B. RENACCIbuy
2025-07-31$15K – $50K
Stock
JAMES B. RENACCIsell
2025-07-30$15K – $50K
Stock
JAMES B. RENACCIbuy
2025-07-29$1K – $15K
Stock
JAMES B. RENACCIbuy
2025-07-29$1K – $15K
Stock
JAMES B. RENACCIbuy
2024-07-29$1K – $15K
Stock
JAMES B. RENACCIsell
2024-07-25$1K – $15K
Stock
JAMES B. RENACCIbuy
2024-07-25$1K – $15K
Stock
JAMES B. RENACCIsell
2024-07-16$1K – $15K
Stock
JAMES B. RENACCIsell
2024-05-09$1K – $15K
Stock
JAMES B. RENACCIsell
2024-05-09$1K – $15K
Stock
JAMES B. RENACCIsell
2024-05-09$1K – $15K
Stock
JAMES B. RENACCIsell
2024-04-25$1K – $15K
Stock
JAMES B. RENACCIbuy
2024-02-07$1K – $15K
Stock
Diana Harshbargersell
2022-07-18$1K – $15K
Stock
Diana Harshbargersell
2022-07-18$1K – $15K
Stock
Diana Harshbargersell
2022-07-18$1K – $15K
Stock
Dean Phillipssell
2021-07-21$1K – $15K
Stock
JAMES R. LANGEVINsell
2021-07-09$15K – $50K
Stock
Dean Phillipsbuy
2021-01-05$1K – $15K
Stock
Gilbert Cisnerossell
2020-12-22$15K – $50K
Stock
Gilbert Cisnerossell
2020-12-21$50K – $100K
Stock
KENNY MARCHANTbuy
2020-11-07$15K – $50K
Stock
Gilbert Cisnerosbuy
2020-07-14$1K – $15K
Stock
Gilbert Cisnerosbuy
2020-07-13$1K – $15K
Stock
Gilbert Cisnerosbuy
2020-03-18$1K – $15K
Stock
Dean Phillipssell
2020-02-28$1K – $15K
Stock
Gilbert Cisnerosbuy
2020-02-24$1K – $15K
Stock
Gilbert Cisnerossell
2020-02-24$1K – $15K
Stock
Gilbert Cisnerossell
2020-02-07$1K – $15K
Stock
Gilbert Cisnerosbuy
2019-08-14$1K – $15K
Stock
MICHAEL T. MCCAULsell
2019-07-08$1K – $15K
Stock
FRED UPTONbuy
2019-05-06$15K – $50K
Stock
MICHAEL T. MCCAULsell
2019-04-10$50K – $100K
Stock
Nicholas Van Taylorsell
2019-03-25$1K – $15K
Stock
Dean Phillipsbuy
2019-01-04$1K – $15K
Stock
Kurt Schradersell
2018-10-26$1K – $15K
Stock
Kurt Schradersell
2018-06-26$1K – $15K
Stock
JAMES B. RENACCIsell
2018-02-14$1K – $15K
Stock
MICHAEL T. MCCAULsell
2018-02-02$100K – $250K
Stock
MICHAEL T. MCCAULsell
2018-01-05$15K – $50K
Stock
MICHAEL T. MCCAULsell
2017-08-01$1K – $15K
Stock
Kurt Schraderbuy
2017-06-14$1K – $15K
Stock
MICHAEL T. MCCAULsell
2017-05-30$15K – $50K
Stock
MICHAEL T. MCCAULsell
2017-05-24$1K – $15K
Stock
MICHAEL T. MCCAULsell
2017-05-04$1K – $15K
Stock
MICHAEL T. MCCAULsell
2017-05-03$1K – $15K
Stock
MICHAEL T. MCCAULsell
2017-05-02$1K – $15K
Stock
MICHAEL T. MCCAULsell
2017-03-30$15K – $50K
Stock
MICHAEL T. MCCAULsell
2017-02-24$1K – $15K
Stock
JOHN K. DELANEYbuy
2017-02-06$15K – $50K
Stock
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