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Equity Research
XNYS · LABORATORY ANALYTICAL INSTRUMENTS · LABORATORY ANALYTICAL INSTRUMENTS
Includes notes from domestic 8-K and foreign private issuer 6-K disclosures.
Waters (WAT) had 1 Form 144 pre-sale notice filed on 2026-08-06. Form 144 filings signal an insider's intent to sell securities under SEC Rule 144 — they do not confirm a completed transaction.
open-market Form 4 only - grants, exercises, tax withholding excluded
0 buyers - 1 unique sellers · 6 accumulating - 4 trimming - 2 unchanged
| Date | Insider | Title | Type | Shares | Price | Value |
|---|---|---|---|---|---|---|
| 8/6/2026 | Kuebler Christopher A | — | OPTION_EXERCISE | 3,626 | $136 | ~$0.5M |
| 8/6/2026 | Kuebler Christopher A | — | SELL | -3,626 | $398 | ~$1.4M |
| 8/6/2026 | Kuebler Christopher A | — | OPTION_EXERCISE | -3,626 | — | — |
| 6/30/2026 | Knight Heather | — | GRANT | 63.03 | — | — |
| 6/30/2026 | Jiang Wei | — | GRANT | 67.42 | — | — |
| 6/24/2026 | Carpio Robert L III | SVP Waters Analytical Sciences | TAX_WITHHOLD | -189 | $369 | ~$70K |
| 5/12/2026 | Chaubal Amol | SVP & Chief Financial Officer | TAX_WITHHOLD | -239 | $352 | ~$84K |
| 4/6/2026 | Bennett Jianqing | SVP Waters Adv. Diagnostics | TAX_WITHHOLD | -302 | $304 | ~$92K |
| 3/31/2026 | Jiang Wei | — | GRANT | 64.06 | — | — |
| 3/31/2026 | Knight Heather | — | GRANT | 68.44 | — | — |
| 3/16/2026 | Jiang Wei | — | BUY | 500 | $289 | ~$0.1M |
| 3/6/2026 | Fearon Richard H | — | BUY | 1,000 | $306 | ~$0.3M |
| 3/2/2026 | Batra Udit | President and CEO | TAX_WITHHOLD | -3,417 | $307 | ~$1.0M |
| 3/2/2026 | Chaubal Amol | SVP & Chief Financial Officer | TAX_WITHHOLD | -709 | $307 | ~$0.2M |
| 3/2/2026 | Bennett Jianqing | SVP Waters Adv. Diagnostics | TAX_WITHHOLD | -410 | $307 | ~$0.1M |
| 2/25/2026 | Carpio Robert L III | SVP Waters Analytical Sciences | GRANT | 997 | — | — |
| 2/25/2026 | Carpio Robert L III | SVP Waters Analytical Sciences | GRANT | 4,884 | — | — |
| 2/25/2026 | Bennett Jianqing | SVP Waters Adv. Diagnostics | GRANT | 986 | — | — |
| 2/25/2026 | Bennett Jianqing | SVP Waters Adv. Diagnostics | GRANT | 4,826 | — | — |
| 2/25/2026 | Chaubal Amol | SVP & Chief Financial Officer | GRANT | 1,455 | — | — |
| Date | Filer | Relationship | Est. shares | Filing |
|---|---|---|---|---|
| 8/6/2026 | Kuebler Christopher A | — | 3,626 | SEC |
| Date | Insider | Title | Relationship | Shares | Filing |
|---|---|---|---|---|---|
| 8/31/2026 | — | — | — | — | SEC |
| Institution | Shares | Value ($) | Change % | Filing date |
|---|---|---|---|---|
| BlackRock | 8,484,939 | ~$3.2B | -0.7% | 8/7/2026 |
| Vanguard Group | 7,469,936 | ~$2.8B | — | 1/29/2026 |
| BlackRock | 8,543,014 | ~$2.5B | 57.3% | 5/13/2026 |
| BlackRock | 5,432,155 | ~$2.1B | — | 2/12/2026 |
| State Street | 4,382,008 | ~$1.6B | 0.5% | 8/7/2026 |
| BlackRock | 5,654,055 | ~$1.6B | — | 8/13/2024 |
| State Street | 4,362,010 | ~$1.3B | 62.6% | 5/15/2026 |
| State Street | 2,683,138 | ~$1.0B | — | 2/13/2026 |
| JP Morgan Chase | 2,158,391 | ~$796.2M | 9.4% | 8/12/2026 |
| JP Morgan Chase | 1,973,648 | ~$579.0M | 354.9% | 5/13/2026 |
| Morgan Stanley | 1,097,302 | ~$411.5M | -10.2% | 8/13/2026 |
| Morgan Stanley | 1,221,914 | ~$363.9M | 69.9% | 5/15/2026 |
| DE Shaw | 948,639 | ~$355.8M | -7.5% | 8/14/2026 |
| Fidelity (FMR) | 924,742 | ~$346.8M | 83.9% | 8/13/2026 |
| Millennium Management | 894,660 | ~$335.5M | 315.8% | 8/14/2026 |
| DE Shaw | 1,025,240 | ~$305.3M | 191.3% | 5/15/2026 |
| Morgan Stanley | 719,171 | ~$273.2M | — | 5/27/2026 |
| Goldman Sachs | 586,893 | ~$220.1M | 2.7% | 8/14/2026 |
| Millennium Management | 538,713 | ~$204.6M | — | 2/17/2026 |
| Goldman Sachs | 468,221 | ~$177.8M | — | 3/25/2026 |