Watts Water (WTS) executive sells 3,029 shares, withholds 1,087 for taxes

Rhea-AI Filing Summary

Watts Water Technologies executive Elie Melhem reported several Class A Common Stock transactions. On March 17, 2026, he completed an open-market sale of 3,029 shares at $303.05 per share, leaving him with 11,971 shares held directly.

On March 16, 2026, three separate dispositions totaling 1,087 shares at $297.80 per share were made to cover tax withholding obligations tied to vesting of prior deferred stock awards and RSUs. Footnotes state these tax-related share withholdings were mandated by award terms and were not discretionary, and the sale was executed under a pre-arranged Rule 10b5-1 trading plan.

Insider Trade Summary 10b5-1

Net Seller: 3,029 shares ($917,938)

Net Sell 4 txns

Insider Melhem Elie

Role President- APAC, M. East, Afr.

Sold 3,029 shs ($918K)

Type	Security	Shares	Price	Value
Sale	Class A Common Stock	3,029	$303.05	$918K
Tax Withholding	Class A Common Stock	219	$297.80	$65K
Tax Withholding	Class A Common Stock	223	$297.80	$66K
Tax Withholding	Class A Common Stock	645	$297.80	$192K

Holdings After Transaction: Class A Common Stock — 11,971 shares (Direct)

Footnotes (1)

1. 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. 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. 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. This sale of Class A Common Stock was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on September 10, 2025.

Form 4 Insider Transactions: What Each Field Means →

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

OMB Number:			3235-0287
Estimated average burden
hours per response:			0.5

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

X

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^*

Melhem Elie

(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)
	President- APAC, M. East, Afr.

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		219(1)	D	$297.8	15,868	D
Class A Common Stock	03/16/2026		F		223(2)	D	$297.8	15,645	D
Class A Common Stock	03/16/2026		F		645(3)	D	$297.8	15,000	D
Class A Common Stock	03/17/2026		S(4)		3,029	D	$303.05	11,971	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, 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.

2. 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.

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.

4. This sale of Class A Common Stock was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on September 10, 2025.

	/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 insider transactions did Elie Melhem report for Watts Water Technologies (WTS)?

Elie Melhem reported an open-market sale of 3,029 shares of Class A Common Stock at $303.05 per share, plus 1,087 shares disposed to cover tax withholding obligations tied to vesting of deferred stock awards and RSUs.

How many Watts Water Technologies (WTS) shares does Elie Melhem hold after these transactions?

After the reported transactions, Elie Melhem directly holds 11,971 shares of Watts Water Technologies Class A Common Stock. This figure reflects the open-market sale and the mandated tax-withholding share dispositions tied to vesting of prior equity awards.

Were Elie Melhem’s Watts Water (WTS) share dispositions discretionary trades?

Only the 3,029-share open-market sale was a trading decision, executed under a Rule 10b5-1 plan. The additional 1,087 shares disposed were required to satisfy tax withholding obligations on vesting equity awards, described as non-discretionary in the footnotes.

What is the significance of the Rule 10b5-1 plan mentioned in the WTS Form 4?

The filing notes the 3,029-share sale was effected under a Rule 10b5-1 trading plan adopted on September 10, 2025. Such plans pre-schedule trades in advance, indicating the sale’s timing was pre-arranged rather than based on real-time market judgment.

Why were 1,087 Watts Water (WTS) shares disposed on March 16, 2026?

The 1,087 shares disposed on March 16, 2026 were withheld to cover tax obligations on vesting deferred stock awards and RSUs granted in 2023, 2024, and 2025. Footnotes state these withholdings were mandated by the award and plan terms.