Waters Corp
WAT- Exchange
- NYSE
- Industry
- Laboratory Analytical Instruments
- SEC CIK
- 0001000697
In the last 90 days, Waters Corp insiders filed 0 open-market purchases and 1 sale; 1,185 institutions reported holding it in 13F filings for Q2 2026, worth $37.8B in total; 3 superinvestors hold it, including Fundsmith and Viking Global Investors.
Open-market trades, last 90 days
Open-market purchases (P) and sales (S) by Waters Corp insiders, counted by Form 4 filing. Trades with a flagged price and duplicate filings are left out.
- Open-market buys
- 0 filings
- Open-market sells
- 1 filing
- 1 insider, $1.44M in total
- Insiders trading
- 1
- Net value
- −$1.44M
- Purchases minus sales
Insider roster
Directors, officers and 10% owners who have filed a Form 4 for Waters Corp, current and former, most recent filer first. Last reported holding is the position after the last non-derivative trade in their latest filing.
| Name | Title | Last reported holding | Last filing | Filings, past year |
|---|---|---|---|---|
| Kuebler Christopher A | Director | 17,808 | Aug 7, 2026 | 4 |
| Knight Heather | Director | 1,281 | Jul 2, 2026 | 5 |
| Jiang Wei | Director | 3,573 | Jul 2, 2026 | 6 |
| Carpio Robert L III | SVP Waters Analytical Sciences | 3,426 | Jun 25, 2026 | 3 |
| Chaubal Amol | SVP & Chief Financial Officer | 7,623 | May 14, 2026 | 4 |
| Bennett Jianqing | SVP Waters Adv. Diagnostics | 6,532 | Apr 7, 2026 | 4 |
| Fearon Richard H | Director | 3,302 | Mar 10, 2026 | 3 |
| Batra Udit | President and CEO | 33,140 | Mar 3, 2026 | 3 |
| Baddour Linda | Director | 2,899 | Feb 27, 2026 | 2 |
| Fraser Claire | Director | 489 | Feb 27, 2026 | 1 |
| Vergnano Mark P | Director | 4,540 | Feb 27, 2026 | 2 |
| Brennan Daniel J. | Director | 1,355 | Feb 27, 2026 | 2 |
| Ornskov Flemming | Director | 5,271 | Feb 27, 2026 | 2 |
| Huang Pearl S | Director | 3,276 | Feb 27, 2026 | 2 |
| Pratt Jonathan M | SVP Waters Division | 3,887 | Oct 11, 2023 | 0 |
| Conard Edward | Director | 74,542 | Apr 5, 2023 | 0 |
| Hendrickson Gary E | Director | 2,283 | May 9, 2022 | 0 |
| Silveira Michael F | VP, Corporate Controller | 3,288 | May 4, 2022 | 0 |
| Aleman Keeley A | SVP General Counsel & Corp Sec | 201Indirect | Mar 10, 2022 | 0 |
| Welch Daniel J. | SVP Global Operations | 2,847 | Feb 25, 2022 | 0 |
| Hyde Belinda | SVP, Global Human Resources | 1,223 | Feb 22, 2022 | 0 |
| Salice Thomas P | Director | 31,985 | Jan 5, 2022 | 0 |
| Ballbach John M | Director | 379 | Jan 5, 2022 | 0 |
| Berendt Michael J | Director | 16,449 | Aug 16, 2021 | 0 |
Insider trades
Each row adds up one type of transaction in one Form 4 filing. Only open-market purchases (P) and sales (S) are shown by default; use the filters to see grants, option exercises and other codes.
| Filed (ET) | Trade date | Filing delay | Insider | Transaction | Shares | Avg price | Value | Holding change | Flags |
|---|---|---|---|---|---|---|---|---|---|
| Aug 7, 2026 (view filing)5:20 PM ET | Aug 6 | 1 day | Kuebler Christopher ADirector | SSale | −3.63K | $397.94 | −$1.44M | −16.9%17.8K after | |
| Mar 18, 2026 (view filing) | Mar 16 | 2 days | Jiang WeiDirector | PPurchase | +500 | $289.46 | +$144.7K | +17.0%3.44K after | |
| Mar 10, 2026 (view filing) | Mar 6 | 4 days | Fearon Richard HDirector | PPurchase | +1.00K | $306.34 | +$306.3K | +43.4%3.30K after | |
| May 29, 2024 (view filing) | May 28 | 1 day | Fearon Richard HDirector | PPurchase | +1.00K | $332.90 | +$332.9K | +153.1%1.65K after | |
| May 16, 2024 (view filing) | May 15 | 1 day | Kuebler Christopher ADirector | SSale | −4.00K | $361.64 | −$1.45M | −21.4%14.7K after | |
| Mar 14, 2024 (view filing) | Mar 13 | 1 day | Baddour LindaDirector | SSale | −500 | $355.54 | −$177.8K | −18.2%2.25K after | |
| Aug 7, 2023 (view filing) | Aug 4 | 3 days | Kuebler Christopher ADirector | SSale | −4.00K | $291.48 | −$1.17M | −21.8%14.4K after | |
| Mar 1, 2023 (view filing) | Feb 28 | 1 day | Vergnano Mark PDirector | PPurchase | +3.19K | $313.32 | +$997.9K | +856.2%3.56K after | |
| Dec 8, 2022 (view filing) | Nov 30 | 8 days | Conard EdwardDirector | SSale | −1.06K | $334.70 | −$354.4K | −1.4%74.2K after | Amended |
| May 23, 2022 (view filing) | May 19 | 4 days | Kuebler Christopher ADirector | SSale | −4.00K | $328.78 | −$1.32M | −22.1%14.1K after | |
| May 9, 2022 (view filing) | May 5 | 4 days | Hendrickson Gary EDirector | SSale | −5.96K | $335.73 | −$2.00M | −72.3%2.28K after | Amended5 lots |
| Dec 3, 2021 (view filing) | Dec 2 | 1 day | Conard EdwardDirector | SSale | −4.00K | $336.01 | −$1.34M | −5.3%71.0K after | |
| Aug 19, 2021 (view filing) | Aug 18 | 1 day | Kuebler Christopher ADirector | SSale | −3.00K | $405.62 | −$1.22M | −17.9%13.8K after | |
| Aug 17, 2021 (view filing) | Aug 16 | 1 day | Baddour LindaDirector | SSale | −1.26K | $408.99 | −$515.3K | −41.2%1.80K after | |
| Aug 16, 2021 (view filing) | Aug 13 | 3 days | Berendt Michael JDirector | SSale | −806 | $403.12 | −$324.9K | −4.7%16.4K after | |
| Aug 13, 2021 (view filing) | Aug 12 | 1 day | Berendt Michael JDirector | SSale | −4.00K | $398.43 | −$1.59M | −18.8%17.3K after | |
| Aug 6, 2021 (view filing) | Aug 5 | 1 day | Salice Thomas PDirector | SSale | −5.00K | $395.00 | −$1.98M | −13.6%31.7K after | |
| Aug 6, 2021 (view filing) | Aug 5 | 1 day | Salice Thomas PDirector | SSale | −3.50K | $395.00 | −$1.38M | −5.8%56.8K after |