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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
Waters Corporation

Waters CorporationWAT

NYSEHealthcareLife Sciences Tools & Services$286.57+1.15%

A manufacturer of analytical instruments and software used to measure chemical and biological compounds in laboratories across the pharmaceutical, biotechnology, food, and environmental testing industries. Its core products include liquid chromatography and mass spectrometry systems, along with recu...

Market Cap: $17.1B52W Range: $275.05 – $414.15

Congressional Interest in Waters Corporation (WAT)

16 members of Congress have disclosed 50 trades in Waters Corporation (WAT), a Healthcare company. The buy/sell breakdown shows 28 purchases versus 20 sales, indicating net buying interest from lawmakers. All data is sourced from STOCK Act periodic transaction reports filed with Congress.

Total Disclosures
50
Unique Politicians
16
Buys
28
Sells
20

Who in Congress Is Trading WAT?

DatePoliticianTypeAmountSecurity
2026-03-18Gilbert Cisnerosbuy$1K – $15KStock
2026-03-10Thomas H. Keansell$1K – $15KStock
2026-03-10Rohit Khannabuy$1K – $15KStock
2026-02-13Thomas H. Keansell$1K – $15KStock
2026-02-10Debbie Dingellexchange$1K – $15KStock
2026-02-09Kevin Hernexchange$1K – $15KStock
2026-01-29Rohit Khannasell$1K – $15KStock
2025-12-08Julia Letlowbuy$1K – $15KStock
2025-09-30Gilbert Cisnerosbuy$1K – $15KStock
2025-08-26Gilbert Cisnerosbuy$1K – $15KStock
2025-08-13Gilbert Cisnerosbuy$1K – $15KStock
2025-08-12Gilbert Cisnerosbuy$1K – $15KStock
2025-07-22Lisa McClainsell$1K – $15KStock
2025-07-16Lisa McClainbuy$1K – $15KStock
2025-07-01Rohit Khannasell$1K – $15KStock
2025-06-27Rohit Khannabuy$1K – $15KStock
2025-05-15Rob Bresnahanbuy$1K – $15KStock
2025-04-17Rohit Khannasell$1K – $15KStock
2025-04-08Rob Bresnahansell$1K – $15KStock
2025-02-25Rob Bresnahanbuy$1K – $15KStock
2025-02-19Rohit Khannabuy$1K – $15KStock
2024-11-19Julia Letlowsell$1K – $15KStock
2024-10-23Julia Letlowbuy$1K – $15KStock
2024-05-03Thomas H Tubervillesell$1K – $15KStock
2023-10-31Rohit Khannasell$1K – $15KStock
2023-09-08Lois Frankelsell$1K – $15KStock
2023-06-26Rohit Khannasell$1K – $15KStock
2023-05-24Rohit Khannabuy$1K – $15KStock
2023-03-14Rohit Khannasell$1K – $15KStock
2023-02-22Byron Donaldsbuy$1K – $15KStock
2022-08-12Byron Donaldsbuy$1K – $15KStock
2022-08-12Byron Donaldsbuy$1K – $15KStock
2021-08-04Lois Frankelsell$1K – $15KStock
2021-03-29Thomas H Tubervillebuy$1K – $15KStock
2020-01-17Francis Rooneybuy$1K – $15KStock
2019-08-29Lois Frankelbuy$1K – $15KStock
2019-07-23Angus S King, Jr.sell$1K – $15KStock
2019-06-27Lois Frankelbuy$1K – $15KStock
2019-06-26Lois Frankelbuy$1K – $15KStock
2019-01-07MICHAEL T. MCCAULsell$15K – $50KStock
2017-11-27JOHN K. DELANEYbuy$1K – $15KStock
2017-07-14JOHN K. DELANEYbuy$1K – $15KStock
2017-05-30MICHAEL T. MCCAULbuy$1K – $15KStock
2017-05-24MICHAEL T. MCCAULsell$1K – $15KStock
2017-05-08MICHAEL T. MCCAULsell$1K – $15KStock
2017-04-13JOHN K. DELANEYbuy$15K – $50KStock
2017-01-02MICHAEL T. MCCAULsell$1K – $15KStock
2016-10-28JOHN K. DELANEYbuy$100K – $250KStock
2016-10-05MICHAEL T. MCCAULbuy$1K – $15KStock
2016-09-12K. Michael Conawaysell$1K – $15KStock
Gilbert Cisnerosbuy
2026-03-18$1K – $15K
Stock
Thomas H. Keansell
2026-03-10$1K – $15K
Stock
Rohit Khannabuy
2026-03-10$1K – $15K
Stock
Thomas H. Keansell
2026-02-13$1K – $15K
Stock
Debbie Dingellexchange
2026-02-10$1K – $15K
Stock
Kevin Hernexchange
2026-02-09$1K – $15K
Stock
Rohit Khannasell
2026-01-29$1K – $15K
Stock
Julia Letlowbuy
2025-12-08$1K – $15K
Stock
Gilbert Cisnerosbuy
2025-09-30$1K – $15K
Stock
Gilbert Cisnerosbuy
2025-08-26$1K – $15K
Stock
Gilbert Cisnerosbuy
2025-08-13$1K – $15K
Stock
Gilbert Cisnerosbuy
2025-08-12$1K – $15K
Stock
Lisa McClainsell
2025-07-22$1K – $15K
Stock
Lisa McClainbuy
2025-07-16$1K – $15K
Stock
Rohit Khannasell
2025-07-01$1K – $15K
Stock
Rohit Khannabuy
2025-06-27$1K – $15K
Stock
Rob Bresnahanbuy
2025-05-15$1K – $15K
Stock
Rohit Khannasell
2025-04-17$1K – $15K
Stock
Rob Bresnahansell
2025-04-08$1K – $15K
Stock
Rob Bresnahanbuy
2025-02-25$1K – $15K
Stock
Rohit Khannabuy
2025-02-19$1K – $15K
Stock
Julia Letlowsell
2024-11-19$1K – $15K
Stock
Julia Letlowbuy
2024-10-23$1K – $15K
Stock
Thomas H Tubervillesell
2024-05-03$1K – $15K
Stock
Rohit Khannasell
2023-10-31$1K – $15K
Stock
Lois Frankelsell
2023-09-08$1K – $15K
Stock
Rohit Khannasell
2023-06-26$1K – $15K
Stock
Rohit Khannabuy
2023-05-24$1K – $15K
Stock
Rohit Khannasell
2023-03-14$1K – $15K
Stock
Byron Donaldsbuy
2023-02-22$1K – $15K
Stock
Byron Donaldsbuy
2022-08-12$1K – $15K
Stock
Byron Donaldsbuy
2022-08-12$1K – $15K
Stock
Lois Frankelsell
2021-08-04$1K – $15K
Stock
Thomas H Tubervillebuy
2021-03-29$1K – $15K
Stock
Francis Rooneybuy
2020-01-17$1K – $15K
Stock
Lois Frankelbuy
2019-08-29$1K – $15K
Stock
Angus S King, Jr.sell
2019-07-23$1K – $15K
Stock
Lois Frankelbuy
2019-06-27$1K – $15K
Stock
Lois Frankelbuy
2019-06-26$1K – $15K
Stock
MICHAEL T. MCCAULsell
2019-01-07$15K – $50K
Stock
JOHN K. DELANEYbuy
2017-11-27$1K – $15K
Stock
JOHN K. DELANEYbuy
2017-07-14$1K – $15K
Stock
MICHAEL T. MCCAULbuy
2017-05-30$1K – $15K
Stock
MICHAEL T. MCCAULsell
2017-05-24$1K – $15K
Stock
MICHAEL T. MCCAULsell
2017-05-08$1K – $15K
Stock
JOHN K. DELANEYbuy
2017-04-13$15K – $50K
Stock
MICHAEL T. MCCAULsell
2017-01-02$1K – $15K
Stock
JOHN K. DELANEYbuy
2016-10-28$100K – $250K
Stock
MICHAEL T. MCCAULbuy
2016-10-05$1K – $15K
Stock
K. Michael Conawaysell
2016-09-12$1K – $15K
Stock
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