Watts Water (WTS) CAO surrenders shares to cover tax on equity vesting

Rhea-AI Filing Summary

Watts Water Technologies Chief Accounting Officer Virginia A. Halloran reported routine tax-related share dispositions, not open-market sales. On March 16, 2026, she surrendered a total of 349 shares of Class A Common Stock at $297.80 per share to cover tax withholding on vested equity awards granted in 2023, 2024, and 2025. The footnotes state these withholdings were required under her grant agreements and the company’s Management Stock Purchase Plan, so they were not discretionary trades. After these transactions, she directly holds 13,748 shares.

Insights

Equity compensation analyst

Non-discretionary tax withholding on equity vesting; minimal signal for investors.

Virginia A. Halloran, Chief Accounting Officer of Watts Water Technologies, reported three Form 4 entries with code F, totaling 349 Class A shares surrendered at $297.80 per share. Footnotes clarify these were required withholdings on vesting of prior stock and RSU awards.

Because the shares were disposed solely to satisfy tax obligations under pre-set grant and plan terms, they do not represent discretionary buying or selling decisions. After these events, Halloran still directly owns 13,748 shares, indicating the net change is small relative to her overall reported position.

SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

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Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

Halloran Virginia A

(Last) (First) (Middle)

815 CHESTNUT STREET

(Street)

NORTH ANDOVER MASSACHUSETTS 01845

(City) (State) (Zip)

UNITED STATES

(Country)

2. Issuer Name and Ticker or Trading Symbol
WATTS WATER TECHNOLOGIES INC [ WTS ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	Chief Accounting Officer

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
03/16/2026

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

4. If Amendment, Date of Original Filed (Month/Day/Year)

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Class A Common Stock	03/16/2026		F		36(1)	D	$297.8	14,061	D
Class A Common Stock	03/16/2026		F		40(2)	D	$297.8	14,021	D
Class A Common Stock	03/16/2026		F		273(3)	D	$297.8	13,748	D

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:

1. Represents shares disposed to cover taxes upon the vesting of a deferred stock award granted to the Reporting Person on March 14, 2024. The disposition of shares to cover tax withholding obligations is required by the terms of the Reporting Person's grant agreement and does not represent a discretionary transaction by the Reporting Person.

2. Represents shares disposed to cover taxes upon the vesting of a deferred stock award granted to the Reporting Person on March 14, 2025. The disposition of shares to cover tax withholding obligations is required by the terms of the Reporting Person's grant agreement and does not represent a discretionary transaction by the Reporting Person.

3. Represents the number of shares required to be withheld to cover tax withholding obligations in connection with the vesting of restricted stock units (RSUs) purchased by the Reporting Person under the Issuer's Management Stock Purchase Plan (MSPP) on March 15, 2023. The Reporting Person previously reported the total number of shares subject to vesting of the RSUs in Table I of a Form 4 filed in connection with the original purchase of the RSUs. The withholding of shares to cover tax withholding obligations is mandated by the terms of the Issuer's MSPP and does not represent a discretionary transaction by the Reporting Person.

	/s/ Nicholas A. Denice, Attorney-in-Fact	03/18/2026
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.
* Form 4: SEC 1474 (03-26)

FAQ

What did Watts Water Technologies (WTS) report in Virginia Halloran’s latest Form 4?

The Form 4 shows Virginia A. Halloran surrendered 349 Watts Water Technologies Class A shares at $297.80 per share. These shares were withheld to cover tax obligations on vested stock and RSU awards granted in 2023, 2024, and 2025 under existing compensation plans.

Was Virginia Halloran’s Form 4 transaction in WTS stock an open-market sale?

No, the filing describes non-discretionary tax-withholding dispositions coded F. Shares were automatically withheld to satisfy tax liabilities triggered by vesting of deferred stock and RSU awards, as required by grant agreements and the company’s Management Stock Purchase Plan, not sold in the open market.

How many WTS shares did Virginia Halloran dispose of for taxes, and at what price?

She disposed of 349 Watts Water Technologies Class A shares through tax withholding transactions. The shares are reported at a price of $297.80 each. These amounts reflect shares surrendered to cover tax obligations tied to vesting, rather than voluntary sales for investment purposes.

How many Watts Water Technologies shares does Virginia Halloran hold after the reported Form 4 transactions?

After the tax-withholding dispositions, Virginia A. Halloran directly holds 13,748 Watts Water Technologies Class A shares. This remaining position, disclosed in the Form 4, shows that the 349 shares surrendered for taxes represent a relatively small portion of her overall reported holdings.

What does transaction code F mean in Virginia Halloran’s WTS Form 4?

Transaction code F indicates shares were disposed of to pay an exercise price or tax liability. In this case, the code marks shares withheld to cover tax obligations upon vesting of deferred stock and RSU awards, under mandatory terms in her grant agreements and the Management Stock Purchase Plan.

Which equity awards triggered the tax-withholding share dispositions for WTS’s Virginia Halloran?

The filing links the tax-withholding dispositions to three equity awards: deferred stock granted on March 14, 2024, deferred stock granted on March 14, 2025, and restricted stock units purchased under the Management Stock Purchase Plan on March 15, 2023, all vesting and creating tax obligations.