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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 ALXNClear
DatePoliticianAssetTypeOwnerAmountSecurityDetails
2017-05-11MICHAEL T. MCCAUL
Republican · house
ALXN
Alexion Pharmaceuticals, Inc.
sellDC$15K – $50KStockDetails
2017-05-08MICHAEL T. MCCAUL
Republican · house
ALXN
Alexion Pharmaceuticals, Inc.
sellDC$1K – $15KStock
MICHAEL T. MCCAULsell
ALXNAlexion Pharmaceuticals, Inc.
2017-05-11$15K – $50K
MICHAEL T. MCCAULsell
ALXNAlexion Pharmaceuticals, Inc.
2017-05-08$1K – $15K
MICHAEL T. MCCAULbuy
ALXNAlexion Pharmaceuticals, Inc.
2017-05-04$1K – $15K
MICHAEL T. MCCAULsell
Prev
123
Next
Details
2017-05-04MICHAEL T. MCCAUL
Republican · house
ALXN
Alexion Pharmaceuticals, Inc.
buyDC$1K – $15KStockDetails
2017-05-03MICHAEL T. MCCAUL
Republican · house
ALXN
Alexion Pharmaceuticals, Inc.
sellSP$1K – $15KStockDetails
2017-02-24MICHAEL T. MCCAUL
Republican · house
ALXN
Alexion Pharmaceuticals, Inc.
sellDC$1K – $15KStockDetails
2017-02-17MICHAEL T. MCCAUL
Republican · house
ALXN
Alexion Pharmaceuticals, Inc.
sellSpouse$1K – $15KStockDetails
2017-01-26MICHAEL T. MCCAUL
Republican · house
ALXN
Alexion Pharmaceuticals, Inc.
sellSelf$1K – $15KStockDetails
2017-01-06JAMES R. LANGEVIN
Democrat · house
ALXN
Alexion Pharmaceuticals, Inc.
sellSelf$15K – $50KStockDetails
2016-12-30MICHAEL T. MCCAUL
Republican · house
ALXN
Alexion Pharmaceuticals, Inc.
sellDC$1K – $15KStockDetails
2016-12-15MICHAEL T. MCCAUL
Republican · house
ALXN
Alexion Pharmaceuticals, Inc.
buyDC$1K – $15KStockDetails
2016-12-14MICHAEL T. MCCAUL
Republican · house
ALXN
Alexion Pharmaceuticals, Inc.
buyDC$1K – $15KStockDetails
2016-12-13MICHAEL T. MCCAUL
Republican · house
ALXN
Alexion Pharmaceuticals, Inc.
buyDC$1K – $15KStockDetails
2016-11-16MICHAEL T. MCCAUL
Republican · house
ALXN
Alexion Pharmaceuticals, Inc.
buyDC$1K – $15KStockDetails
2016-11-11MICHAEL T. MCCAUL
Republican · house
ALXN
Alexion Pharmaceuticals, Inc.
buyDC$1K – $15KStockDetails
2016-11-10MICHAEL T. MCCAUL
Republican · house
ALXN
Alexion Pharmaceuticals, Inc.
sellDC$1K – $15KStockDetails
2016-11-10MICHAEL T. MCCAUL
Republican · house
ALXN
Alexion Pharmaceuticals, Inc.
sellDC$1K – $15KStockDetails
2016-11-03MICHAEL T. MCCAUL
Republican · house
ALXN
Alexion Pharmaceuticals, Inc.
buySpouse$15K – $50KStockDetails
2016-10-31MICHAEL T. MCCAUL
Republican · house
ALXN
Alexion Pharmaceuticals, Inc.
buySpouse$50K – $100KStockDetails
2016-10-13MICHAEL T. MCCAUL
Republican · house
ALXN
Alexion Pharmaceuticals, Inc.
buySpouse$1K – $15KStockDetails
2016-10-05MICHAEL T. MCCAUL
Republican · house
ALXN
Alexion Pharmaceuticals, Inc.
buySpouse$1K – $15KStockDetails
2016-10-05MICHAEL T. MCCAUL
Republican · house
ALXN
Alexion Pharmaceuticals, Inc.
sellSP$1K – $15KStockDetails
2016-10-05MICHAEL T. MCCAUL
Republican · house
ALXN
Alexion Pharmaceuticals, Inc.
sellDC$1K – $15KStockDetails
2016-10-05MICHAEL T. MCCAUL
Republican · house
ALXN
Alexion Pharmaceuticals, Inc.
buyDC$1K – $15KStockDetails
2016-10-05MICHAEL T. MCCAUL
Republican · house
ALXN
Alexion Pharmaceuticals, Inc.
buyDC$1K – $15KStockDetails
2016-10-05MICHAEL T. MCCAUL
Republican · house
ALXN
Alexion Pharmaceuticals, Inc.
buySpouse$1K – $15KStockDetails
2016-10-04MICHAEL T. MCCAUL
Republican · house
ALXN
Alexion Pharmaceuticals, Inc.
sellDC$1K – $15KStockDetails
2016-10-03MICHAEL T. MCCAUL
Republican · house
ALXN
Alexion Pharmaceuticals, Inc.
sellDC$1K – $15KStockDetails
2016-07-14MICHAEL T. MCCAUL
Republican · house
ALXN
Alexion Pharmaceuticals, Inc.
buySpouse$1K – $15KStockDetails
2016-07-05MICHAEL T. MCCAUL
Republican · house
ALXN
Alexion Pharmaceuticals, Inc.
buyDC$1K – $15KStockDetails
2016-07-05MICHAEL T. MCCAUL
Republican · house
ALXN
Alexion Pharmaceuticals, Inc.
buySpouse$1K – $15KStockDetails
2016-07-05MICHAEL T. MCCAUL
Republican · house
ALXN
Alexion Pharmaceuticals, Inc.
buyDC$1K – $15KStockDetails
2016-07-05MICHAEL T. MCCAUL
Republican · house
ALXN
Alexion Pharmaceuticals, Inc.
buyDC$1K – $15KStockDetails
2016-06-27MICHAEL T. MCCAUL
Republican · house
ALXN
Alexion Pharmaceuticals, Inc.
buyDC$1K – $15KStockDetails
2016-06-20JAMES B. RENACCI
Republican · house
ALXN
Alexion Pharmaceuticals, Inc.
sellSpouse$15K – $50KStockDetails
2016-06-20JAMES B. RENACCI
Republican · house
ALXN
Alexion Pharmaceuticals, Inc.
sellSpouse$1K – $15KStockDetails
2016-06-14MICHAEL T. MCCAUL
Republican · house
ALXN
Alexion Pharmaceuticals, Inc.
buySpouse$1K – $15KStockDetails
2016-06-13MICHAEL T. MCCAUL
Republican · house
ALXN
Alexion Pharmaceuticals, Inc.
buyDC$1K – $15KStockDetails
2016-06-10MICHAEL T. MCCAUL
Republican · house
ALXN
Alexion Pharmaceuticals, Inc.
buyDC$1K – $15KStockDetails
2016-06-07MICHAEL T. MCCAUL
Republican · house
ALXN
Alexion Pharmaceuticals, Inc.
buyDC$1K – $15KStockDetails
2016-05-17MICHAEL T. MCCAUL
Republican · house
ALXN
Alexion Pharmaceuticals, Inc.
buyDC$1K – $15KStockDetails
2016-05-09MICHAEL T. MCCAUL
Republican · house
ALXN
Alexion Pharmaceuticals, Inc.
buyDC$1K – $15KStockDetails
2016-03-24JAMES B. RENACCI
Republican · house
ALXN
Alexion Pharmaceuticals, Inc.
buySelf$1K – $15KStockDetails
2016-02-22MICHAEL T. MCCAUL
Republican · house
ALXN
Alexion Pharmaceuticals, Inc.
buyDC$1K – $15KStockDetails
2016-01-26MICHAEL T. MCCAUL
Republican · house
ALXN
Alexion Pharmaceuticals, Inc.
buySpouse$1K – $15KStockDetails
2016-01-12JAMES B. RENACCI
Republican · house
ALXN
Alexion Pharmaceuticals, Inc.
buySelf$50K – $100KStockDetails
2015-12-18MICHAEL T. MCCAUL
Republican · house
ALXN
Alexion Pharmaceuticals, Inc.
sellSpouse$1K – $15KStockDetails
2015-12-17MICHAEL T. MCCAUL
Republican · house
ALXN
Alexion Pharmaceuticals, Inc.
buyDC$1K – $15KStockDetails
2015-12-17MICHAEL T. MCCAUL
Republican · house
ALXN
Alexion Pharmaceuticals, Inc.
buyDC$1K – $15KStockDetails
2015-12-15MICHAEL T. MCCAUL
Republican · house
ALXN
Alexion Pharmaceuticals, Inc.
buyDC$1K – $15KStockDetails
2015-12-15MICHAEL T. MCCAUL
Republican · house
ALXN
Alexion Pharmaceuticals, Inc.
sellSpouse$1K – $15KStockDetails
ALXNAlexion Pharmaceuticals, Inc.
2017-05-03$1K – $15K
MICHAEL T. MCCAULsell
ALXNAlexion Pharmaceuticals, Inc.
2017-02-24$1K – $15K
MICHAEL T. MCCAULsell
ALXNAlexion Pharmaceuticals, Inc.
2017-02-17$1K – $15K
MICHAEL T. MCCAULsell
ALXNAlexion Pharmaceuticals, Inc.
2017-01-26$1K – $15K
JAMES R. LANGEVINsell
ALXNAlexion Pharmaceuticals, Inc.
2017-01-06$15K – $50K
MICHAEL T. MCCAULsell
ALXNAlexion Pharmaceuticals, Inc.
2016-12-30$1K – $15K
MICHAEL T. MCCAULbuy
ALXNAlexion Pharmaceuticals, Inc.
2016-12-15$1K – $15K
MICHAEL T. MCCAULbuy
ALXNAlexion Pharmaceuticals, Inc.
2016-12-14$1K – $15K
MICHAEL T. MCCAULbuy
ALXNAlexion Pharmaceuticals, Inc.
2016-12-13$1K – $15K
MICHAEL T. MCCAULbuy
ALXNAlexion Pharmaceuticals, Inc.
2016-11-16$1K – $15K
MICHAEL T. MCCAULbuy
ALXNAlexion Pharmaceuticals, Inc.
2016-11-11$1K – $15K
MICHAEL T. MCCAULsell
ALXNAlexion Pharmaceuticals, Inc.
2016-11-10$1K – $15K
MICHAEL T. MCCAULsell
ALXNAlexion Pharmaceuticals, Inc.
2016-11-10$1K – $15K
MICHAEL T. MCCAULbuy
ALXNAlexion Pharmaceuticals, Inc.
2016-11-03$15K – $50K
MICHAEL T. MCCAULbuy
ALXNAlexion Pharmaceuticals, Inc.
2016-10-31$50K – $100K
MICHAEL T. MCCAULbuy
ALXNAlexion Pharmaceuticals, Inc.
2016-10-13$1K – $15K
MICHAEL T. MCCAULbuy
ALXNAlexion Pharmaceuticals, Inc.
2016-10-05$1K – $15K
MICHAEL T. MCCAULsell
ALXNAlexion Pharmaceuticals, Inc.
2016-10-05$1K – $15K
MICHAEL T. MCCAULsell
ALXNAlexion Pharmaceuticals, Inc.
2016-10-05$1K – $15K
MICHAEL T. MCCAULbuy
ALXNAlexion Pharmaceuticals, Inc.
2016-10-05$1K – $15K
MICHAEL T. MCCAULbuy
ALXNAlexion Pharmaceuticals, Inc.
2016-10-05$1K – $15K
MICHAEL T. MCCAULbuy
ALXNAlexion Pharmaceuticals, Inc.
2016-10-05$1K – $15K
MICHAEL T. MCCAULsell
ALXNAlexion Pharmaceuticals, Inc.
2016-10-04$1K – $15K
MICHAEL T. MCCAULsell
ALXNAlexion Pharmaceuticals, Inc.
2016-10-03$1K – $15K
MICHAEL T. MCCAULbuy
ALXNAlexion Pharmaceuticals, Inc.
2016-07-14$1K – $15K
MICHAEL T. MCCAULbuy
ALXNAlexion Pharmaceuticals, Inc.
2016-07-05$1K – $15K
MICHAEL T. MCCAULbuy
ALXNAlexion Pharmaceuticals, Inc.
2016-07-05$1K – $15K
MICHAEL T. MCCAULbuy
ALXNAlexion Pharmaceuticals, Inc.
2016-07-05$1K – $15K
MICHAEL T. MCCAULbuy
ALXNAlexion Pharmaceuticals, Inc.
2016-07-05$1K – $15K
MICHAEL T. MCCAULbuy
ALXNAlexion Pharmaceuticals, Inc.
2016-06-27$1K – $15K
JAMES B. RENACCIsell
ALXNAlexion Pharmaceuticals, Inc.
2016-06-20$15K – $50K
JAMES B. RENACCIsell
ALXNAlexion Pharmaceuticals, Inc.
2016-06-20$1K – $15K
MICHAEL T. MCCAULbuy
ALXNAlexion Pharmaceuticals, Inc.
2016-06-14$1K – $15K
MICHAEL T. MCCAULbuy
ALXNAlexion Pharmaceuticals, Inc.
2016-06-13$1K – $15K
MICHAEL T. MCCAULbuy
ALXNAlexion Pharmaceuticals, Inc.
2016-06-10$1K – $15K
MICHAEL T. MCCAULbuy
ALXNAlexion Pharmaceuticals, Inc.
2016-06-07$1K – $15K
MICHAEL T. MCCAULbuy
ALXNAlexion Pharmaceuticals, Inc.
2016-05-17$1K – $15K
MICHAEL T. MCCAULbuy
ALXNAlexion Pharmaceuticals, Inc.
2016-05-09$1K – $15K
JAMES B. RENACCIbuy
ALXNAlexion Pharmaceuticals, Inc.
2016-03-24$1K – $15K
MICHAEL T. MCCAULbuy
ALXNAlexion Pharmaceuticals, Inc.
2016-02-22$1K – $15K
MICHAEL T. MCCAULbuy
ALXNAlexion Pharmaceuticals, Inc.
2016-01-26$1K – $15K
JAMES B. RENACCIbuy
ALXNAlexion Pharmaceuticals, Inc.
2016-01-12$50K – $100K
MICHAEL T. MCCAULsell
ALXNAlexion Pharmaceuticals, Inc.
2015-12-18$1K – $15K
MICHAEL T. MCCAULbuy
ALXNAlexion Pharmaceuticals, Inc.
2015-12-17$1K – $15K
MICHAEL T. MCCAULbuy
ALXNAlexion Pharmaceuticals, Inc.
2015-12-17$1K – $15K
MICHAEL T. MCCAULbuy
ALXNAlexion Pharmaceuticals, Inc.
2015-12-15$1K – $15K
MICHAEL T. MCCAULsell
ALXNAlexion Pharmaceuticals, Inc.
2015-12-15$1K – $15K