There have been 50 recent insider transactions recorded for Waters Corporation (WAT), including 37 buys and 12 sells. Total insider buying was valued at $15.36M and total insider selling at $2.34M.
Notable insiders with recent activity include Bennett Jianqing, Jiang Wei, Knight Heather. Insider transactions can provide insights into how company leadership views the stock's valuation and future prospects.
Insider Transactions — WAT
| Date |
Name |
Role |
Transaction |
Shares |
Avg. Price |
Value |
Shares Owned |
| 2026-04-06 |
Bennett Jianqing |
SVP Waters Adv. Diagnostics |
Tax Withholding of RSU |
302 |
$304.09 |
$91.84K |
6,532 |
| 2026-03-31 |
Jiang Wei |
Director |
RSU Award |
64 |
- |
- |
3,505 |
| 2026-03-31 |
Knight Heather |
Director |
RSU Award |
68 |
- |
- |
1,218 |
| 2026-03-16 |
Jiang Wei |
Director |
Informative Buy |
500 |
$289.46 |
$144.73K |
3,441 |
| 2026-03-06 |
Fearon Richard H |
Director |
Informative Buy |
1,000 |
$306.34 |
$306.34K |
3,302 |
| 2026-03-02 |
Chaubal Amol |
SVP & Chief Financial Officer |
Tax Withholding of RSU |
709 |
$307.23 |
$217.83K |
7,796 |
| 2026-03-02 |
Batra Udit |
President and CEO |
Tax Withholding of RSU |
3,417 |
$307.23 |
$1.05M |
33,140 |
| 2026-03-02 |
Bennett Jianqing |
SVP Waters Adv. Diagnostics |
Tax Withholding of RSU |
410 |
$307.23 |
$125.96K |
6,834 |
| 2026-02-25 |
Baddour Linda |
Director |
RSU Award |
57 |
$319.44 |
$18.21K |
57 |
| 2026-02-25 |
Fearon Richard H |
Director |
RSU Award |
57 |
$319.44 |
$18.21K |
57 |
| 2026-02-25 |
Kuebler Christopher A |
Director |
RSU Award |
57 |
$319.44 |
$18.21K |
57 |
| 2026-02-25 |
Fraser Claire |
Director |
RSU Award |
358 |
- |
- |
489 |
| 2026-02-25 |
Vergnano Mark |
Director |
RSU Award |
57 |
$319.44 |
$18.21K |
57 |
| 2026-02-25 |
Brennan Daniel J. |
Director |
RSU Award |
57 |
$319.44 |
$18.21K |
57 |
| 2026-02-25 |
Ornskov Flemming |
Director |
RSU Award |
57 |
$319.44 |
$18.21K |
57 |
| 2026-02-25 |
Chaubal Amol |
SVP & Chief Financial Officer |
RSU Award |
7,125 |
$319.44 |
$2.28M |
7,125 |
| 2026-02-25 |
Batra Udit |
President and CEO |
RSU Award |
25,283 |
$319.44 |
$8.08M |
25,283 |
| 2026-02-25 |
Huang Pearl S |
Director |
RSU Award |
57 |
$319.44 |
$18.21K |
57 |
| 2026-02-25 |
Bennett Jianqing |
SVP Waters Adv. Diagnostics |
RSU Award |
4,826 |
$319.44 |
$1.54M |
4,826 |
| 2026-02-25 |
Jiang Wei |
Director |
RSU Award |
57 |
$319.44 |
$18.21K |
57 |
| 2026-02-25 |
Knight Heather |
Director |
RSU Award |
57 |
$319.44 |
$18.21K |
57 |
| 2026-02-25 |
Carpio Robert L Iii |
SVP Waters Analytical Sciences |
RSU Award |
997 |
- |
- |
3,615 |
| 2026-02-09 |
Fraser Claire |
Director |
Unknown |
- |
- |
- |
131 |
| 2026-02-05 |
Chaubal Amol |
SVP & Chief Financial Officer |
Tax Withholding of RSU |
58 |
$376.89 |
$21.86K |
7,050 |
| 2026-02-05 |
Batra Udit |
President and CEO |
Tax Withholding of RSU |
218 |
$376.89 |
$82.16K |
31,392 |
| 2026-02-05 |
Bennett Jianqing |
SVP Ta Instruments Division |
Tax Withholding of RSU |
43 |
$376.89 |
$16.21K |
6,258 |
| 2026-02-05 |
Carpio Robert L Iii |
SVP, Waters Division |
Tax Withholding of RSU |
38 |
$376.89 |
$14.32K |
2,618 |
| 2026-02-04 |
Chaubal Amol |
SVP & Chief Financial Officer |
RSU Award |
1,884 |
- |
- |
7,108 |
| 2026-02-04 |
Batra Udit |
President and CEO |
RSU Award |
7,066 |
- |
- |
31,610 |
| 2026-02-04 |
Bennett Jianqing |
SVP Ta Instruments Division |
RSU Award |
1,385 |
- |
- |
6,301 |
| 2026-01-02 |
Baddour Linda |
Director |
RSU Award |
828 |
$381.96 |
$316.26K |
828 |
| 2026-01-02 |
Fearon Richard H |
Director |
RSU Award |
828 |
$381.96 |
$316.26K |
828 |
| 2026-01-02 |
Kuebler Christopher A |
Director |
RSU Award |
828 |
$381.96 |
$316.26K |
828 |
| 2026-01-02 |
Vergnano Mark |
Director |
RSU Award |
828 |
$381.96 |
$316.26K |
828 |
| 2026-01-02 |
Brennan Daniel J. |
Director |
RSU Award |
828 |
$381.96 |
$316.26K |
828 |
| 2026-01-02 |
Ornskov Flemming |
Director |
RSU Award |
828 |
$381.96 |
$316.26K |
828 |
| 2026-01-02 |
Huang Pearl S |
Director |
RSU Award |
828 |
$381.96 |
$316.26K |
828 |
| 2026-01-02 |
Jiang Wei |
Director |
RSU Award |
828 |
$381.96 |
$316.26K |
828 |
| 2026-01-02 |
Knight Heather |
Director |
RSU Award |
828 |
$381.96 |
$316.26K |
828 |
| 2025-12-31 |
Jiang Wei |
Director |
RSU Award |
60 |
- |
- |
2,611 |
| 2025-12-31 |
Knight Heather |
Director |
RSU Award |
60 |
- |
- |
819 |
| 2025-11-05 |
Kuebler Christopher A |
Director |
Option Exercise (Sell) |
3,761 |
$130.35 |
$490.25K |
- |
| 2025-09-30 |
Jiang Wei |
Director |
RSU Award |
73 |
- |
- |
2,551 |
| 2025-09-30 |
Knight Heather |
Director |
RSU Award |
78 |
- |
- |
759 |
| 2025-06-30 |
Jiang Wei |
Director |
RSU Award |
68 |
- |
- |
2,479 |
| 2025-06-30 |
Knight Heather |
Director |
RSU Award |
68 |
- |
- |
681 |
| 2025-06-24 |
Carpio Robert L Iii |
SVP, Waters Division |
Tax Withholding of RSU |
134 |
$346.80 |
$46.47K |
2,656 |
| 2025-05-12 |
Chaubal Amol |
SVP & Chief Financial Officer |
Tax Withholding of RSU |
239 |
$366.67 |
$87.63K |
5,224 |
| 2025-04-07 |
Bennett Jianqing |
SVP Ta Instruments Division |
Tax Withholding of RSU |
303 |
$325.80 |
$98.72K |
4,916 |
| 2025-03-31 |
Jiang Wei |
Director |
RSU Award |
53 |
- |
- |
2,410 |
■ Informative Buy/Sell — open market transaction (most significant)
■ Uninformative Buy — award, option exercise, conversion
■ Uninformative Sell — tax withholding, award vest sale
■ Neutral — gift, trust, expiry
