Waters Corp /de/ (WAT) insider trading
Every open-market stock purchase and sale by Waters Corp /de/ executives, directors, large shareholders and members of Congress, from SEC Form 4 filings. Sector: Other.
Insider activity at a glance
- Christopher A Kuebler (Director) sold $1.4M in the last 90 days.
- Last insider buy: Wei Jiang (Director), $145K, 7 months ago.
- Congress: Gilbert Cisneros bought $1K to $15K, 7 months ago.
Last 12 months: insiders bought $451K (2 buys) and sold $1.4M (1 sale). Last close $406.86 on Aug 7, 2026.
Recent WAT insider trades
| Date | Insider | Trade | Value |
|---|---|---|---|
| Aug 6, 2026 | Christopher A Kuebler (Director) | Sold | $1.4M |
| Aug 6, 2026 | Christopher A Kuebler (Director) | Bought (not open market) | — |
| Jun 24, 2026 | Robert L Carpio III (VP) | Sold (not open market) | $69.8K |
| May 12, 2026 | Amol Chaubal (CFO) | Sold (not open market) | $84.2K |
| Apr 6, 2026 | Jianqing Bennett (VP) | Sold (not open market) | $91.8K |
| Mar 31, 2026 | Heather Knight (Director) | Bought (not open market) | — |
| Mar 31, 2026 | Wei Jiang (Director) | Bought (not open market) | — |
| Mar 18, 2026 | Gilbert Cisneros (Congress) | Bought | $1K–$15K |
| Mar 16, 2026 | Wei Jiang (Director) | Bought | $145K |
| Mar 10, 2026 | Thomas H. Kean (Congress) | Sold | $1K–$15K |
| Mar 6, 2026 | Richard H Fearon (Director) | Bought | $306K |
| Mar 2, 2026 | Udit Batra (CEO) | Sold (not open market) | $1M |
| Mar 2, 2026 | Amol Chaubal (CFO) | Sold (not open market) | $218K |
| Mar 2, 2026 | Jianqing Bennett (VP) | Sold (not open market) | $126K |
| Feb 25, 2026 | Amol Chaubal (CFO) | Bought (not open market) | — |
| Feb 25, 2026 | Mark Vergnano (Director) | Bought (not open market) | — |
| Feb 25, 2026 | Flemming Ornskov (Director) | Bought (not open market) | — |
| Feb 25, 2026 | Udit Batra (CEO) | Bought (not open market) | — |
| Feb 25, 2026 | Amol Chaubal (CFO) | Bought (not open market) | — |
| Feb 25, 2026 | Jianqing Bennett (VP) | Bought (not open market) | — |
| Feb 25, 2026 | Daniel J. Brennan (Director) | Bought (not open market) | — |
| Feb 25, 2026 | Wei Jiang (Director) | Bought (not open market) | — |
| Feb 25, 2026 | Heather Knight (Director) | Bought (not open market) | — |
| Feb 25, 2026 | Daniel J. Brennan (Director) | Bought (not open market) | — |
| Feb 25, 2026 | Claire Fraser (Director) | Bought (not open market) | — |
Who's trading WAT
- Christopher A Kuebler, Director: sold $1.4M (1 sale), last Aug 6, 2026
- Robert L Carpio III, VP: other filings, last Jun 24, 2026
- Amol Chaubal, CFO: other filings, last May 12, 2026
- Jianqing Bennett, VP: other filings, last Apr 6, 2026
- Wei Jiang, Director: bought $145K (1 buy), last Mar 31, 2026
- Heather Knight, Director: other filings, last Mar 31, 2026
- Gilbert Cisneros, Congress: bought $8K (1 buy), last Mar 18, 2026
- Thomas H. Kean, Congress: sold $16K (2 sales), last Mar 10, 2026
- Richard H Fearon, Director: bought $306K (1 buy), last Mar 6, 2026
- Udit Batra, CEO: other filings, last Mar 2, 2026
- Mark Vergnano, Director: other filings, last Feb 25, 2026
- Daniel J. Brennan, Director: other filings, last Feb 25, 2026
- Claire Fraser, Director: other filings, last Feb 25, 2026
- Pearl S Huang, Director: other filings, last Feb 25, 2026
- Flemming Ornskov, Director: other filings, last Feb 25, 2026
Get free alerts when an insider at Waters Corp /de/ files a new trade →