Waters Corp /De/ (WAT) Insider Ownership

Historic Insider Ownership Trends

WAT's three largest insider shareholders as of March 23, 2026 are Edward Conard (Director, 74.54K shares), Thomas P Salice (Director, 56.77K shares), Udit Batra (President And Ceo, 33.14K shares).

Top Direct Holders

Insider ownership data is derived from the last 60 months of Form 4 SEC filings.
Holder Position Shares (Direct) Shares (Indirect) Report Date
Edward Conard 74,542 0 05 Jan, 2023
Thomas P Salice 0 56,774 06 Aug, 2021
Udit Batra President And Ceo 33,140 0 03 Mar, 2026
Thomas P Salice 31,985 0 05 Jan, 2022
Christopher A Kuebler 17,808 0 27 Feb, 2026
Michael J Berendt 16,449 0 16 Aug, 2021
Amol Chaubal Svp Chief Financial Officer 7,796 0 03 Mar, 2026
Jianqing Bennett Svp Waters Adv. Diagnostics 6,834 0 03 Mar, 2026
Flemming Ornskov 5,271 0 27 Feb, 2026
Mark Vergnano 4,540 0 27 Feb, 2026
Jonathan M Pratt Svp Waters Division 3,887 0 11 Oct, 2023
Robert L Iii Carpio Svp Waters Analytical Sciences 3,615 0 27 Feb, 2026
Wei Jiang 3,441 0 18 Mar, 2026
Richard H Fearon 3,302 0 10 Mar, 2026
Michael F Silveira Vp, Corporate Controller 3,288 0 04 May, 2022
Pearl S Huang 3,276 0 27 Feb, 2026
Wei Jiang 2,941 0 27 Feb, 2026
Linda Baddour 2,899 0 27 Feb, 2026
Daniel J. Welch Svp Global Operations 2,847 0 25 Feb, 2022
Gary E Hendrickson 2,283 0 09 May, 2022
Keeley A Aleman Svp General Counsel Corp Sec 1,794 0 02 Mar, 2022
Daniel J. Brennan 1,355 0 27 Feb, 2026
Belinda Hyde Svp, Global Human Resources 1,223 0 11 Jan, 2022
Heather Knight 1,149 0 27 Feb, 2026
Claire Fraser 489 0 27 Feb, 2026
John M Ballbach 379 0 05 Jan, 2022
Keeley A Aleman Svp General Counsel Corp Sec 0 201 10 Mar, 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
16 Mar, 2026 Wei Jiang Common Stock A 500 $289.46 3,441 D P
06 Mar, 2026 Richard H Fearon Common Stock A 1,000 $306.34 3,302 D P
02 Mar, 2026 Amol Chaubal Common Stock D 709 $307.23 7,796 D F
02 Mar, 2026 Udit Batra Common Stock D 3,417 $307.23 33,140 D F
02 Mar, 2026 Jianqing Bennett Common Stock D 410 $307.23 6,834 D F
25 Feb, 2026 Daniel J. Brennan Common Stock A 23 $0.00 1,355 D A
25 Feb, 2026 Christopher A Kuebler Common Stock A 23 $0.00 17,808 D A
25 Feb, 2026 Udit Batra Common Stock A 5,165 $0.00 36,557 D A
25 Feb, 2026 Mark Vergnano Common Stock A 23 $0.00 4,540 D A
25 Feb, 2026 Flemming Ornskov Common Stock A 336 $0.00 5,271 D A
25 Feb, 2026 Robert L Iii Carpio Common Stock A 997 $0.00 3,615 D A
25 Feb, 2026 Heather Knight Common Stock A 23 $0.00 1,149 D A
25 Feb, 2026 Linda Baddour Common Stock A 23 $0.00 2,899 D A
25 Feb, 2026 Amol Chaubal Common Stock A 1,455 $0.00 8,505 D A
25 Feb, 2026 Wei Jiang Common Stock A 23 $0.00 2,941 D A
25 Feb, 2026 Pearl S Huang Common Stock A 23 $0.00 3,276 D A
25 Feb, 2026 Claire Fraser Common Stock A 358 $0.00 489 D A
25 Feb, 2026 Jianqing Bennett Common Stock A 986 $0.00 7,244 D A
25 Feb, 2026 Richard H Fearon Common Stock A 23 $0.00 2,302 D A
25 Feb, 2026 Wei Jiang Common Stock A 23 $0.00 2,941 D A