Udit Batra - 25 Feb 2026 Form 4 Insider Report for WATERS CORP /DE/ (WAT)

Role: President and CEO, Director
Signature: /s/ Michael Lynn, attorney-in-fact for Udit Batra
Issuer symbol: WAT
Transactions as of: 25 Feb 2026
Net transactions value: $0
Form type: 4
Filing time: 27 Feb 2026, 19:29:55 UTC
Previous filing: 06 Feb 2026
Next filing: 03 Mar 2026
SEC: View on sec.gov

Reporting Owners (1)

Name	Relationship	Address	Signature	Signature date	CIK
Batra Udit	President and CEO, Director	34 MAPLE STREET, MILFORD	/s/ Michael Lynn, attorney-in-fact for Udit Batra	27 Feb 2026	0001821498

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	WAT	Common Stock	Award	$0	+5,165	+16%	$0.000000	36,557	25 Feb 2026	Direct	F1

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Underlying Class	Amount	Exercise Price	Ownership	Footnotes
transaction	WAT	Stock Option (Right to Buy)	Award	$0	+25,283		$0.000000	25,283	25 Feb 2026	Common Stock	25,283	$319.44	Direct	F2

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
F1	Represents restricted stock units ("RSUs"), which will vest in four equal annual installments, with the first such installment vesting on February 25, 2027, subject to the Reporting Person's continued service with the Issuer on each such vesting date. The RSUs are convertible into shares of the Issuer's common stock on a one-to-one basis upon vesting and settlement.
F2	The shares of common stock underlying this stock option will vest and become exercisable in four equal annual installments, with the first such installment vesting and becoming exercisable on February 25, 2027, subject to the Reporting Person's continued service with the Issuer on each such vesting date.