List of insiders holdings for WATERS CORP:
- Shares directly owned by the insider.
- Shares indirectly owned by the insider.
- Total shares owned by the insider (sum of shares directly and indirectly owned).
- Total market value if available.
- Shares are not adjusted for stock split.
"Insiders might sell their shares for any number of reasons, but they buy them for only one: they think the price will rise"
- Peter Lynch
What is insider trading>>
- Peter Lynch
What is insider trading>>
| # | Insider Holder Name | Report Date Time | Shares Owned Directly Indirectly | Total Shares Owned | Filing |
| 1 | BERTHIAUME DOUGLAS A Director | 2017-11-06 08:29:11 | 2,144,365 922,744 | 3,067,109 | Form 4 |
| 2 | MAZAR BRIAN K SVP | 2006-02-10 12:20:25 | 242,484 233,374 | 475,858 | Form 5 |
| 3 | SALICE THOMAS P Director | 2022-01-05 11:58:49 | 32,968 67,724 | 100,692 | Form 4 |
| 4 | CAPUTO ARTHUR G EVP and President, Waters Div | 2016-12-07 16:06:24 | 85,217 0 | 85,217 | Form 4 |
| 5 | OConnell Christopher J CEO and President | 2020-08-03 11:15:29 | 75,421 0 | 75,421 | Form 4 |
| 6 | CONARD EDWARD Director | 2023-04-05 11:58:00 | 74,646 0 | 74,646 | Form 4 |
| 7 | BEKENSTEIN JOSHUA Director | 2017-01-05 15:37:59 | 63,975 0 | 63,975 | Form 4 |
| 8 | NELSON JOHN R EVP | 2004-11-03 16:48:45 | 62,800 0 | 62,800 | Form 4 |
| 9 | CALDWELL PHILIP Director | 2005-04-27 13:32:37 | 2,068 56,653 | 58,721 | Form 4 |
| 10 | REED JOANN A Director | 2021-03-08 10:26:44 | 41,711 0 | 41,711 | Form 4 |
| 11 | Batra Udit President and CEO | 2026-03-03 16:24:48 | 33,140 0 | 33,140 | Form 4 |
| 12 | MILLER WILLIAM J Director | 2017-12-06 13:11:23 | 22,349 0 | 22,349 | Form 4 |
| 13 | Rae Elizabeth B SVP, Global HR | 2020-08-21 14:11:37 | 13,072 7,059 | 20,131 | Form 4 |
| 14 | KUEBLER CHRISTOPHER A Director | 2026-02-27 19:23:56 | 17,865 0 | 17,865 | Form 4 |
| 15 | Cassis Eugene G SVP | 2018-02-16 15:29:22 | 5,905 11,691 | 17,596 | Form 4 |
| 16 | BERENDT MICHAEL J Director | 2021-08-16 10:32:31 | 16,449 0 | 16,449 | Form 4 |
| 17 | Buck Sherry SVP and CFO | 2020-11-02 12:23:47 | 15,386 0 | 15,386 | Form 4 |
| 18 | ORNELL JOHN A CFO | 2013-12-10 15:26:49 | 5,550 7,005 | 12,555 | Form 4 |
| 19 | TERRICCIANO DAVID SVP, Global Operations | 2018-03-01 11:39:02 | 10,109 0 | 10,109 | Form 4 |
| 20 | Carpio Robert L III SVP Waters Analytical Sciences | 2026-02-27 19:33:54 | 8,499 0 | 8,499 | Form 4 |
| 21 | Chaubal Amol SVP & Chief Financial Officer | 2026-03-03 16:22:14 | 7,796 0 | 7,796 | Form 4 |
| 22 | Bennett Jianqing SVP Waters Adv. Diagnostics | 2026-03-03 16:19:50 | 6,834 0 | 6,834 | Form 4 |
| 23 | Hyde Belinda SVP, Global Human Resources | 2022-02-22 10:56:58 | 5,898 0 | 5,898 | Form 4 |
| 24 | BEAUDOUIN MARK T SVP and General Counsel | 2019-11-18 15:32:13 | 4,090 1,772 | 5,862 | Form 4 |
| 25 | GLIMCHER LAURIE H M.D. Director | 2020-01-03 15:05:23 | 5,668 0 | 5,668 | Form 4 |
| 26 | King Ian SVP, Global Products | 2021-03-03 13:31:25 | 5,529 0 | 5,529 | Form 4 |
| 27 | Ornskov Flemming Director | 2026-02-27 19:09:17 | 5,328 0 | 5,328 | Form 4 |
| 28 | Vergnano Mark Director | 2026-02-27 19:25:14 | 4,597 0 | 4,597 | Form 4 |
| 29 | Pratt Jonathan M SVP Waters Division | 2023-10-11 11:04:21 | 3,887 376.1 | 4,263 | Form 4 |
| 30 | Welch Daniel J. SVP Global Operations | 2022-02-25 09:55:13 | 2,847 732.67 | 3,580 | Form 4 |
| 31 | Huang Pearl S Director | 2026-02-27 19:19:36 | 3,333 0 | 3,333 | Form 4 |
| 32 | SILVEIRA MICHAEL F VP, Corporate Controller | 2022-05-04 10:19:03 | 3,288 0 | 3,288 | Form 4 |
| 33 | Jiang Wei Director | 2026-02-27 19:21:06 | 2,998 0 | 2,998 | Form 4 |
| 34 | BADDOUR LINDA Director | 2026-02-27 19:12:30 | 2,956 0 | 2,956 | Form 4 |
| 35 | Kim Francis SVP Global Operations | 2020-03-04 13:38:06 | 2,533 418.77 | 2,952 | Form 4 |
| 36 | Harrington Michael C SVP, Global Markets | 2021-03-03 11:25:35 | 2,660 0 | 2,660 | Form 4 |
| 37 | FEARON RICHARD H Director | 2026-02-27 19:16:19 | 2,359 0 | 2,359 | Form 4 |
| 38 | Khanna Rohit SVP, Applied Technology | 2018-01-03 09:47:15 | 2,160 183.24 | 2,343 | Form 4 |
| 39 | Hendrickson Gary E Director | 2022-05-09 10:47:25 | 2,283 0 | 2,283 | Form 4/A |
| 40 | GLIMCHER LAURIE H MD Director | 2005-02-01 15:59:34 | 2,000 0 | 2,000 | Form 4 |
| 41 | Aleman Keeley A SVP General Counsel & Corp Sec | 2022-03-10 09:22:52 | 1,794 200.74 | 1,995 | Form 4 |
| 42 | Brennan Daniel J. Director | 2026-02-27 19:13:57 | 1,412 0 | 1,412 | Form 4 |
| 43 | Fraser Claire Director | 2026-02-27 19:18:07 | 1,366 0 | 1,366 | Form 4 |
| 44 | BALLBACH JOHN M Director | 2022-01-05 11:50:55 | 1,362 0 | 1,362 | Form 4 |
| 45 | Carson Robert G SVP Corporate Development | 2021-03-03 11:22:00 | 1,228 0 | 1,228 | Form 4 |
| 46 | Knight Heather Director | 2026-02-27 19:22:33 | 1,206 0 | 1,206 | Form 4 |
| 47 | CURRY WILLIAM VP, CORP CONT & PRIN ACCT OFF | 2013-06-13 16:03:20 | 0 978.45 | 978.45 | Form 4 |
| 48 | Kelly Terrence P SVP, President TA Instruments | 2019-03-12 15:49:00 | 0 0 | 0 | Form 4 |