Congress Watch

WAT stock trades by members of Congress

Waters Corporation Common Stock: 10 members of Congress disclosed 25 transactions between 2016-10-12 and 2026-09-01, 14 purchases and 11 sales.

25transactions
14purchases
11sales
10politicians

Activity by year

Disclosed transactions in WAT per year05102016: 120162019: 420192021: 220212023: 120232024: 120242025: 920252026: 72026

Transactions by the year the report was filed.

WAT price and Congress trades

Daily closing price (split-adjusted). Dots mark days members of Congress filed trades in WAT: green when more were purchases, red when more were sales. Use + and − (or Ctrl/⌘ + scroll) to zoom and drag to pan. Hover a month in the heatmap below to highlight it here, or click it to zoom to that month.

Congress buying and selling by month

Purchases and sales of WAT reported by members of the House and Senate.

WAT purchases and sales by members of Congress, by monthJanFebMarAprMayJunJulAugSepOctNovDec2026Jan 2026: 2 buys, 1 saleFeb 2026: no activityMar 2026: 0 buys, 1 saleApr 2026: 1 buy, 1 saleMay 2026: no activityJun 2026: no activityJul 2026: no activityAug 2026: no activitySep 2026: 0 buys, 1 saleOct 2026: no activityNov 2026: no activityDec 2026: no activity2025Jan 2025: no activityFeb 2025: no activityMar 2025: 1 buy, 0 salesApr 2025: no activityMay 2025: 0 buys, 1 saleJun 2025: 1 buy, 0 salesJul 2025: no activityAug 2025: 1 buy, 1 saleSep 2025: 3 buys, 0 salesOct 2025: 1 buy, 0 salesNov 2025: no activityDec 2025: no activity2024Jan 2024: no activityFeb 2024: no activityMar 2024: no activityApr 2024: no activityMay 2024: no activityJun 2024: 0 buys, 1 saleJul 2024: no activityAug 2024: no activitySep 2024: no activityOct 2024: no activityNov 2024: no activityDec 2024: no activity2023Jan 2023: no activityFeb 2023: no activityMar 2023: no activityApr 2023: no activityMay 2023: no activityJun 2023: no activityJul 2023: no activityAug 2023: no activitySep 2023: no activityOct 2023: 0 buys, 1 saleNov 2023: no activityDec 2023: no activity2022Jan 2022: no activityFeb 2022: no activityMar 2022: no activityApr 2022: no activityMay 2022: no activityJun 2022: no activityJul 2022: no activityAug 2022: no activitySep 2022: no activityOct 2022: no activityNov 2022: no activityDec 2022: no activity2021Jan 2021: no activityFeb 2021: no activityMar 2021: no activityApr 2021: no activityMay 2021: no activityJun 2021: no activityJul 2021: 1 buy, 0 salesAug 2021: 0 buys, 1 saleSep 2021: no activityOct 2021: no activityNov 2021: no activityDec 2021: no activity2020Jan 2020: no activityFeb 2020: no activityMar 2020: no activityApr 2020: no activityMay 2020: no activityJun 2020: no activityJul 2020: no activityAug 2020: no activitySep 2020: no activityOct 2020: no activityNov 2020: no activityDec 2020: no activity2019Jan 2019: no activityFeb 2019: no activityMar 2019: no activityApr 2019: no activityMay 2019: no activityJun 2019: no activityJul 2019: 2 buys, 0 salesAug 2019: 0 buys, 1 saleSep 2019: 1 buy, 0 salesOct 2019: no activityNov 2019: no activityDec 2019: no activity2018Jan 2018: no activityFeb 2018: no activityMar 2018: no activityApr 2018: no activityMay 2018: no activityJun 2018: no activityJul 2018: no activityAug 2018: no activitySep 2018: no activityOct 2018: no activityNov 2018: no activityDec 2018: no activity2017Jan 2017: no activityFeb 2017: no activityMar 2017: no activityApr 2017: no activityMay 2017: no activityJun 2017: no activityJul 2017: no activityAug 2017: no activitySep 2017: no activityOct 2017: no activityNov 2017: no activityDec 2017: no activity2016Jan 2016: no activityFeb 2016: no activityMar 2016: no activityApr 2016: no activityMay 2016: no activityJun 2016: no activityJul 2016: no activityAug 2016: no activitySep 2016: no activityOct 2016: 0 buys, 1 saleNov 2016: no activityDec 2016: no activity

Green months had more purchases, red months more sales, teal an even split; darker means more trades. Months are by filing date. Senate filings after August 2026 and scanned House filings are not fully covered, so early years can look quieter than they were.

Who traded WAT

PoliticianTradesBuysSalesLast filing
Lois Frankel 5322023-10-10
Gilbert Cisneros 5502026-04-07
Julia Letlow 3212026-01-13
Rob Bresnahan 3212025-06-09
Thomas H. Kean 2022026-04-13
Lisa McClain 2112025-08-13
Thomas H Tuberville 2112024-06-14
Angus S King 1012019-08-26
K. Michael Conaway 1012016-10-12
Kevin Hern 1012026-09-01

Disclosed transactions

Download all transactions as CSV

FiledTradedPoliticianTypeAmountFiling
2026-09-012026-08-13 Kevin Hern Sale$1,001 - $15,000 Source
2026-04-132026-03-10 Thomas H. Kean Partial sale$1,001 - $15,000 Source
2026-04-072026-03-18 Gilbert Cisneros Buy$1,001 - $15,000 Source
2026-03-182026-02-13 Thomas H. Kean Partial sale$1,001 - $15,000 Source
2026-01-132024-10-23 Julia Letlow Buy$1,001 - $15,000 Source
2026-01-132024-11-19 Julia Letlow Sale$1,001 - $15,000 Source
2026-01-132025-12-08 Julia Letlow Buy$1,001 - $15,000 Source
2025-10-102025-09-30 Gilbert Cisneros Buy$1,001 - $15,000 Source
2025-09-122025-08-26 Gilbert Cisneros Buy$1,001 - $15,000 Source
2025-09-122025-08-13 Gilbert Cisneros Buy$1,001 - $15,000 Source
2025-09-122025-08-12 Gilbert Cisneros Buy$1,001 - $15,000 Source
2025-08-132025-07-22 Lisa McClain Sale$1,001 - $15,000 Source
2025-08-132025-07-16 Lisa McClain Buy$1,001 - $15,000 Source
2025-06-092025-05-15 Rob Bresnahan Buy$1,001 - $15,000 Source
2025-05-082025-04-08 Rob Bresnahan Sale$1,001 - $15,000 Source
2025-03-272025-02-25 Rob Bresnahan Buy$1,001 - $15,000 Source
2024-06-142024-05-03 Thomas H Tuberville Sale$1,001 - $15,000 Source
2023-10-102023-09-08 Lois Frankel Sale$1,001 - $15,000 Source
2021-08-182021-08-04 Lois Frankel Partial sale$1,001 - $15,000 c Source
2021-07-232021-03-29 Thomas H Tuberville Buy$1,001 - $15,000 Source
2019-09-302019-08-29 Lois Frankel Buy$1,001 - $15,000 c Source
2019-08-262019-07-23 Angus S King Partial sale$1,001 - $15,000 Source
2019-07-192019-06-26 Lois Frankel Buy$1,001 - $15,000 d Source
2019-07-192019-06-27 Lois Frankel Buy$1,001 - $15,000 c Source
2016-10-122016-09-12 K. Michael Conaway Sale$1,001 - $15,000 Source

Stocks traded by the same politicians

Common questions

Are members of Congress buying or selling WAT?
10 members of Congress disclosed 25 transactions in Waters Corporation Common Stock (WAT) between 2016-10-12 and 2026-09-01: 14 purchases and 11 sales.
How active was Congress in WAT recently?
In 2026 filings, 7 transactions in WAT were disclosed: 3 purchases and 4 sales.
Which members of Congress trade WAT?
The most active in WAT are Lois Frankel (5), Gilbert Cisneros (5) and Julia Letlow (3), by number of disclosed transactions. 10 members in all have traded it.

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