Todd P. Helms - 02 Dec 2025 Form 4 Insider Report for Mueller Water Products, Inc. (MWA)

Role: SVP and CHRO
Signature: /s/ Barbara A. Smucygz, Attorney-in-Fact
Issuer symbol: MWA
Transactions as of: 02 Dec 2025
Net transactions value: $0
Form type: 4
Filing time: 04 Dec 2025, 20:08:43 UTC
Previous filing: 03 Dec 2025
Next filing: 05 Dec 2025
SEC: View on sec.gov

Reporting Owners (1)

Name	Relationship	Address	Signature	Signature date	CIK
Helms Todd P	SVP and CHRO	1200 ABERNATHY RD., NE, SUITE 1200, ATLANTA	/s/ Barbara A. Smucygz, Attorney-in-Fact	04 Dec 2025	0001729377

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	MWA	Common Stock	Award	$0	+21,476	+37%	$0.000000	79,413	02 Dec 2025	Direct	F1, F2
transaction	MWA	Restricted Stock Unit	Award	$0	+4,599	+64%	$0.000000	11,830	02 Dec 2025	Direct	F3

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	MWA	Stock Option (Right to Buy)	Award	$0	+14,133		$0.000000	14,133	02 Dec 2025	Common Stock	14,133	$24.46	Direct	F4

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

Explanation of Responses:

Id	Content
F1	Acquisition is pursuant to the grant of performance-based restricted stock units under the Mueller Water Products, Inc. Amended and Restated 2006 Stock Incentive Plan. Units were earned based on the Company's rTSR and ROIC performances during a three-year performance period that vested on the last day of the award cycle. Excludes shares withheld to satisfy tax obligations.
F2	Includes 9.77 shares acquired under the Employee Stock Purchase Plan ("ESPP").
F3	Acquisition is pursuant to grant of restricted stock units under the Mueller Water Products, Inc. Second Amended and Restated 2006 Stock Incentive Plan. Each restricted stock unit represents a contingent right to receive one (1) share of Mueller Water Products, Inc. Common Stock when the restrictions lapse. The lapse occurs in three (3) equal, annual installments beginning on the first anniversary of the grant date.
F4	The stock options will vest in three (3) equal, annual installments on the anniversary of the grant date.