Waters Corp /De/ (WAT) Insider Ownership

Historic Insider Ownership Trends

Over the 90-day window ending February 07, 2026, Waters's three dominant insider ownership positions are held by Director Thomas P Salice (88.76K shares), Director Edward Conard (74.54K shares), President And Ceo Udit Batra (31.39K shares).

Top Direct Holders

Insider ownership data is derived from the last 60 months of Form 4 SEC filings.
Holder Position Shares Report Date
Thomas P Salice 88,759 05 Jan, 2022
Edward Conard 74,542 05 Jan, 2023
Udit Batra President And Ceo 31,392 06 Feb, 2026
Christopher A Kuebler 17,785 05 Jan, 2026
Michael J Berendt 16,449 16 Aug, 2021
Amol Chaubal Svp & Chief Financial Officer 7,050 06 Feb, 2026
Jianqing Bennett Svp Ta Instruments Division 6,258 06 Feb, 2026
Flemming Ornskov 4,935 05 Jan, 2026
Mark Vergnano 4,517 05 Jan, 2026
Jonathan M Pratt Svp Waters Division 3,887 11 Oct, 2023
Michael F Silveira Vp And Corporate Controller 3,288 04 May, 2022
Pearl S Huang 3,253 05 Jan, 2026
Wei Jiang 2,918 05 Jan, 2026
Linda Baddour 2,876 05 Jan, 2026
Daniel J. Welch Svp Global Operations 2,847 25 Feb, 2022
Robert L Iii Carpio Svp And Waters Division 2,618 06 Feb, 2026
Gary E Hendrickson 2,283 09 May, 2022
Richard H Fearon 2,279 05 Jan, 2026
Keeley A Aleman Svp General Counsel & Corp Sec 1,995 02 Mar, 2022
Daniel J. Brennan 1,332 05 Jan, 2026
Belinda Hyde Svp And Global Human Resources 1,223 11 Jan, 2022
Heather Knight 1,126 05 Jan, 2026
John M Ballbach 379 05 Jan, 2022

* Please note that the shares above only reflect shares from the fund portfolio and the institutional portfolio. Shares from the personal portfolio are excluded from this Institutional Ownership Page. See these insiders' latest transactions here on Insider Page.

Recent Insider Transactions

Detailed insider trading activity based on Form 4 SEC filings.
Download Data
Transaction Date Insider Name Security Class Transaction Type Shares Traded Price Shares Remaining Ownership Code
05 Feb, 2026 Amol Chaubal Common Stock D 58 $376.89 7,050 D F
05 Feb, 2026 Udit Batra Common Stock D 218 $376.89 31,392 D F
05 Feb, 2026 Jianqing Bennett Common Stock D 43 $376.89 6,258 D F
05 Feb, 2026 Robert L Iii Carpio Common Stock D 38 $376.89 2,618 D F
04 Feb, 2026 Amol Chaubal Common Stock A 1,884 $0.00 7,108 D A
04 Feb, 2026 Udit Batra Common Stock A 7,066 $0.00 31,610 D A
04 Feb, 2026 Jianqing Bennett Common Stock A 1,385 $0.00 6,301 D A
02 Jan, 2026 Linda Baddour Common Stock A 307 $0.00 2,876 D A
02 Jan, 2026 Richard H Fearon Common Stock A 307 $0.00 2,279 D A
02 Jan, 2026 Christopher A Kuebler Common Stock A 307 $0.00 17,785 D A
02 Jan, 2026 Mark Vergnano Common Stock A 307 $0.00 4,517 D A
02 Jan, 2026 Daniel J. Brennan Common Stock A 307 $0.00 1,332 D A
02 Jan, 2026 Flemming Ornskov Common Stock A 307 $0.00 4,935 D A
02 Jan, 2026 Pearl S Huang Common Stock A 307 $0.00 3,253 D A
02 Jan, 2026 Wei Jiang - - 2,918 D
02 Jan, 2026 Wei Jiang Common Stock A 307 $0.00 2,918 D A
02 Jan, 2026 Heather Knight Common Stock A 307 $0.00 1,126 D A
31 Dec, 2025 Wei Jiang Common Stock A 60 $0.00 2,611 D A
31 Dec, 2025 Heather Knight - - 819 D
31 Dec, 2025 Heather Knight Common Stock A 60 $0.00 819 D A