WATERS CORP /DE/ (WAT) · Insider Trading (Form 4) SEC Filing

=== SEC Form 4 — Statement of Changes in Beneficial Ownership === Document Type: 4 Period of Report: 2026-05-12 10b5-1 Pre-arranged Plan: No --- Issuer --- Name: WATERS CORP /DE/ (WAT) CIK: 0001000697 --- Reporting Owner --- Name: Chaubal Amol CIK: 0001773089 Role: Officer (SVP & Chief Financial Officer) --- Non-Derivative Transactions --- [Transaction #1] Security: Common Stock Date: 2026-05-12 | Code: F (Payment of exercise/tax) Shares: -239 | Price: $352.21 Total Value: $84,178.19 Shares Owned After: 7,622.8449 | Ownership: D (Direct) Footnotes: [F1] Represents shares of common stock withheld by the Issuer to satisfy tax withholding obligations in connection with the vesting and settlement of previously reported restricted stock units. [F2] Includes 65.4519 shares of common stock acquired on March 31, 2026, pursuant to the Waters Corporation Amended and Restated 2009 Employee Stock Purchase Plan, in a transaction that was exempt pursuant to Rule 16b-3(c). --- Footnotes (Complete Index) --- F1: Represents shares of common stock withheld by the Issuer to satisfy tax withholding obligations in connection with the vesting and settlement of previously reported restricted stock units. F2: Includes 65.4519 shares of common stock acquired on March 31, 2026, pursuant to the Waters Corporation Amended and Restated 2009 Employee Stock Purchase Plan, in a transaction that was exempt pursuant to Rule 16b-3(c). --- Signature --- /s/ /s/ Michael Lynn, attorney-in-fact for Amol Chaubal (2026-05-14)