Form 4 for WAT Waters Corporation

Accepted 2026-02-06 00:00:00 ET · period of report 2026-02-04 · accession 0001000697-26-000046 · SEC index · Original document

Summary rows

Aggregated the way they appear in lists: one row per insider, transaction code and security table.

X	Filed	Traded	Ticker	Insider	Title	Type	Price	Qty	Owned	ΔOwn	Value
	2026-02-06	2026-02-04	WAT	Bennett Jianqing	SVP TA Instruments Division	A - Grant	$0.00	+1,385	6,301	+28%	$0
	2026-02-06	2026-02-05	WAT	Bennett Jianqing	SVP TA Instruments Division	F - Tax	$376.89	-43	6,258	-0.7%	-$16.2K

Purchase Sale Sale after option exercise All abbreviations

#	Table	Security	Date	Code	A/D	Shares	Price	Owned after	Own	Exercise / expiry	Underlying	Footnotes
1	Common	Common Stock	2026-02-04	A	A	1,385	$0.00	6,301	D	—	—	(F1) Represents performance-based restricted stock units ("PSUs") originally granted on February 8, 2023, subject to pre-determined service and performance-based vesting requirements. The level of achievement of the performance-based vesting requirement for the PSUs was certified by the Issuer's Compensation Committee on February 4, 2026, and the PSUs will vest in full upon satisfaction of the service-based vesting requirement on March 1, 2026. The PSUs are convertible into shares of the Issuer's Common Stock on a one-to-one basis upon vesting and settlement.
2	Common	Common Stock	2026-02-05	F	D	43	$376.89	6,258	D	—	—	(F2) 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.