Diane M. McClintock - 13 Mar 2026 Form 4/A - Amendment Insider Report for WATTS WATER TECHNOLOGIES INC (WTS)

Role: Chief Financial Officer
Signature: /s/ Nicholas A. Denice, Attorney-in-Fact
Issuer symbol: WTS
Transactions as of: 13 Mar 2026
Net transactions value: $0
Form type: 4/A - Amendment
Filing time: 17 Mar 2026, 13:56:07 UTC
Date Of Original Report: 17 Mar 2026
Previous filing: 11 Feb 2026
Next filing: 18 Mar 2026
SEC: View on sec.gov

Reporting Owners (1)

Name	Relationship	Address	Signature	Signature date	CIK
McClintock Diane M	Chief Financial Officer	815 CHESTNUT STREET, NORTH ANDOVER	/s/ Nicholas A. Denice, Attorney-in-Fact	17 Mar 2026	0001337180

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	WTS	Class A Common Stock	Award		+642	+8.2%	$238.24^*	8,445	13 Mar 2026	Direct	F1, F2

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

Explanation of Responses:

Id	Content
F1	This amendment to Form 4 corrects a mistake in the number of shares previously reported on the Reporting Person's Form 4 filed on March 17, 2026. The Reporting Person acquired 642 shares pursuant to the Management Stock Purchase Plan. The original Form 4 filing incorrectly reported the number of shares acquired as 481.
F2	Represents shares subject to restricted stock units purchased by the Reporting Person under the Issuer's Management Stock Purchase Plan at a discount of 20% from the closing sale price of the Issuer's Class A Common Stock on March 13, 2026. The restricted stock units were purchased using a portion of the Reporting Person's pre-tax 2025 performance bonus. The restricted stock units vest in three equal annual installments beginning one year after the date of grant.

Content

This amendment to Form 4 corrects a mistake in the number of shares previously reported on the Reporting Person's Form 4 filed on March 17, 2026. The Reporting Person acquired 642 shares pursuant to the Management Stock Purchase Plan. The original Form 4 filing incorrectly reported the number of shares acquired as 481.

Represents shares subject to restricted stock units purchased by the Reporting Person under the Issuer's Management Stock Purchase Plan at a discount of 20% from the closing sale price of the Issuer's Class A Common Stock on March 13, 2026. The restricted stock units were purchased using a portion of the Reporting Person's pre-tax 2025 performance bonus. The restricted stock units vest in three equal annual installments beginning one year after the date of grant.