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Waters Corp

WAT
Exchange
NYSE
Industry
Laboratory Analytical Instruments
SEC CIK
0001000697

In the last 90 days, Waters Corp insiders filed 0 open-market purchases and 1 sale; 1,185 institutions reported holding it in 13F filings for Q2 2026, worth $37.8B in total; 3 superinvestors hold it, including Fundsmith and Viking Global Investors.

Open-market trades, last 90 days

Open-market purchases (P) and sales (S) by Waters Corp insiders, counted by Form 4 filing. Trades with a flagged price and duplicate filings are left out.

Open-market buys
0 filings
Open-market sells
1 filing
1 insider, $1.44M in total
Insiders trading
1
Net value
−$1.44M
Purchases minus sales

Insider roster

Directors, officers and 10% owners who have filed a Form 4 for Waters Corp, current and former, most recent filer first. Last reported holding is the position after the last non-derivative trade in their latest filing.

Insider roster for Waters Corp
NameTitleLast reported holdingLast filingFilings, past year
Kuebler Christopher ADirector17,808Aug 7, 20264
Knight HeatherDirector1,281Jul 2, 20265
Jiang WeiDirector3,573Jul 2, 20266
Carpio Robert L IIISVP Waters Analytical Sciences3,426Jun 25, 20263
Chaubal AmolSVP & Chief Financial Officer7,623May 14, 20264
Bennett JianqingSVP Waters Adv. Diagnostics6,532Apr 7, 20264
Fearon Richard HDirector3,302Mar 10, 20263
Batra UditPresident and CEO33,140Mar 3, 20263
Baddour LindaDirector2,899Feb 27, 20262
Fraser ClaireDirector489Feb 27, 20261
Vergnano Mark PDirector4,540Feb 27, 20262
Brennan Daniel J.Director1,355Feb 27, 20262
Ornskov FlemmingDirector5,271Feb 27, 20262
Huang Pearl SDirector3,276Feb 27, 20262
Pratt Jonathan MSVP Waters Division3,887Oct 11, 20230
Conard EdwardDirector74,542Apr 5, 20230
Hendrickson Gary EDirector2,283May 9, 20220
Silveira Michael FVP, Corporate Controller3,288May 4, 20220
Aleman Keeley ASVP General Counsel & Corp Sec201IndirectMar 10, 20220
Welch Daniel J.SVP Global Operations2,847Feb 25, 20220
Hyde BelindaSVP, Global Human Resources1,223Feb 22, 20220
Salice Thomas PDirector31,985Jan 5, 20220
Ballbach John MDirector379Jan 5, 20220
Berendt Michael JDirector16,449Aug 16, 20210

Insider trades

Each row adds up one type of transaction in one Form 4 filing. Only open-market purchases (P) and sales (S) are shown by default; use the filters to see grants, option exercises and other codes.

Insider trades
Filed (ET)Trade dateFiling delayInsiderTransactionSharesAvg priceValueHolding changeFlags
Aug 7, 2026 (view filing)5:20 PM ETAug 61 dayKuebler Christopher ADirectorSSale−3.63K$397.94−$1.44M−16.9%17.8K after
Mar 18, 2026 (view filing)Mar 162 daysJiang WeiDirectorPPurchase+500$289.46+$144.7K+17.0%3.44K after
Mar 10, 2026 (view filing)Mar 64 daysFearon Richard HDirectorPPurchase+1.00K$306.34+$306.3K+43.4%3.30K after
May 29, 2024 (view filing)May 281 dayFearon Richard HDirectorPPurchase+1.00K$332.90+$332.9K+153.1%1.65K after
May 16, 2024 (view filing)May 151 dayKuebler Christopher ADirectorSSale−4.00K$361.64−$1.45M−21.4%14.7K after
Mar 14, 2024 (view filing)Mar 131 dayBaddour LindaDirectorSSale−500$355.54−$177.8K−18.2%2.25K after
Aug 7, 2023 (view filing)Aug 43 daysKuebler Christopher ADirectorSSale−4.00K$291.48−$1.17M−21.8%14.4K after
Mar 1, 2023 (view filing)Feb 281 dayVergnano Mark PDirectorPPurchase+3.19K$313.32+$997.9K+856.2%3.56K after
Dec 8, 2022 (view filing)Nov 308 daysConard EdwardDirectorSSale−1.06K$334.70−$354.4K−1.4%74.2K afterAmended
May 23, 2022 (view filing)May 194 daysKuebler Christopher ADirectorSSale−4.00K$328.78−$1.32M−22.1%14.1K after
May 9, 2022 (view filing)May 54 daysHendrickson Gary EDirectorSSale−5.96K$335.73−$2.00M−72.3%2.28K afterAmended5 lots
Dec 3, 2021 (view filing)Dec 21 dayConard EdwardDirectorSSale−4.00K$336.01−$1.34M−5.3%71.0K after
Aug 19, 2021 (view filing)Aug 181 dayKuebler Christopher ADirectorSSale−3.00K$405.62−$1.22M−17.9%13.8K after
Aug 17, 2021 (view filing)Aug 161 dayBaddour LindaDirectorSSale−1.26K$408.99−$515.3K−41.2%1.80K after
Aug 16, 2021 (view filing)Aug 133 daysBerendt Michael JDirectorSSale−806$403.12−$324.9K−4.7%16.4K after
Aug 13, 2021 (view filing)Aug 121 dayBerendt Michael JDirectorSSale−4.00K$398.43−$1.59M−18.8%17.3K after
Aug 6, 2021 (view filing)Aug 51 daySalice Thomas PDirectorSSale−5.00K$395.00−$1.98M−13.6%31.7K after
Aug 6, 2021 (view filing)Aug 51 daySalice Thomas PDirectorSSale−3.50K$395.00−$1.38M−5.8%56.8K after