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Waters Corp /De/ (WAT): insider buying, hedge funds & Congress trades

Waters Corp /De/ (WAT): 2 insider purchases in the last two years; 23 trades disclosed by members of Congress.

Insider buying

FiledInsiderSharesPriceValueType
Mar 18, 2026Jiang Wei
Director
500$289.46$144.7Kno history
Mar 10, 2026Fearon Richard H
Director
1,000$306.34$306.3Kno history

Open-market purchases from SEC Form 4. "Opportunistic" = this insider trades every year but not on a fixed schedule (Cohen, Malloy & Pomorski); "routine" buys carry little information.

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Congress trades in WAT

FiledMemberTypeAmount
Sep 1, 2026Kevin Hernsale$1,001 - $15,000
Apr 13, 2026Thomas H. Kean Jrpartial sale$1,001 - $15,000
Apr 7, 2026Gilbert Cisnerospurchase$1,001 - $15,000
Mar 18, 2026Thomas H. Kean Jrpartial sale$1,001 - $15,000
Mar 6, 2026Kevin Hernexchange$1,001 - $15,000
Feb 23, 2026Debbie Dingellexchange$1,001 - $15,000
Jan 13, 2026Julia Letlowpurchase$1,001 - $15,000
Jan 13, 2026Julia Letlowsale$1,001 - $15,000
Jan 13, 2026Julia Letlowpurchase$1,001 - $15,000
Oct 10, 2025Gilbert Cisnerospurchase$1,001 - $15,000
Sep 12, 2025Gilbert Cisnerospurchase$1,001 - $15,000
Sep 12, 2025Gilbert Cisnerospurchase$1,001 - $15,000
Sep 12, 2025Gilbert Cisnerospurchase$1,001 - $15,000
Aug 13, 2025Lisa McClainpurchase$1,001 - $15,000
Aug 13, 2025Lisa McClainsale$1,001 - $15,000
Jun 9, 2025Rob Bresnahanpurchase$1,001 - $15,000
May 8, 2025Rob Bresnahansale$1,001 - $15,000
Mar 27, 2025Rob Bresnahanpurchase$1,001 - $15,000
Oct 10, 2023Lois Frankelsale$1,001 - $15,000
Aug 18, 2021Lois Frankelpartial sale$1,001 - $15,000 c
Sep 30, 2019Lois Frankelpurchase$1,001 - $15,000 c
Jul 19, 2019Lois Frankelpurchase$1,001 - $15,000 c
Jul 19, 2019Lois Frankelpurchase$1,001 - $15,000 d