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AFTER HRS · 17:25 ET
Market ClerkRecap
Wed Oct 21 · after hours2 signals today106 insider buys this week · $305.5MCIRO short report next: Oct 31The week ahead

WAT

WATERS CORP /DE/
NYSE · TECHNOLOGY · LABORATORY ANALYTICAL INSTRUMENTS
456.13
+13.30 +3.00%
USD · close Oct 21

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One year, everything drawn on

252 SESSIONS · DAILY CLOSES
470403336269Aug 13 · Kevin Hern sellMar 18 · Gilbert Cisneros buyMar 10 · Thomas Kean sellFeb 13 · Thomas Kean sellFeb 10 · Debbie Dingell exchangeFeb 9 · Kevin Hern exchangeDec 8 · Julia Letlow buyAug 11 · 10-Q filed (Q2 2026)May 12 · 10-Q filed (Q1 2026)Feb 23 · 10-K filed (FY 2025)Feb 23 · 10-K filed (Q4 2025)Feb 23 · 10-K filed (Q3 2025)Nov 4 · 10-Q filed (Q3 2025)Feb 23 · 10-K filed (Q2 2025)Aug 11 · 10-Q filed (Q2 2025)Feb 23 · 10-K filed (Q1 2025)May 12 · 10-Q filed (Q1 2025)Feb 23 · 10-K filed (FY 2024)Feb 23 · 10-K filed (Q4 2024)Feb 23 · 10-K filed (Q3 2024)Nov 4 · 10-Q filed (Q3 2024)Feb 23 · 10-K filed (Q2 2024)Feb 23 · 10-K filed (Q1 2024)Feb 23 · 10-K filed (FY 2023)Feb 23 · 10-K filed (Q4 2023)OCT 2025JAN 2026APRJUL
Insider buyInsider sellCongress buy, above the lineCongress sell, below10-K / 10-Q filedHOVER A MARKER FOR THE FILING
THE WORK ORDER · 2026-10-21
Shorts (latest report): 3.3M short · −342K last period
Every line of the math
76PASS

Congress is trading it

ALL 10
TradedMemberTypeAmount
Aug 13Kevin Hern R·OKSell$1K–$15K
Mar 18Gilbert Cisneros D·CABuy$1K–$15K
Mar 10Thomas Kean R·NJSell$1K–$15K
Feb 13Thomas Kean R·NJSell$1K–$15K
Feb 10Debbie Dingell D·MIExchange$1K–$15K
Feb 9Kevin Hern R·OKExchange$1K–$15K

Insider activity

No open-market insider filings on WAT.
Watch WAT. Know when insiders buy.
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