Mueller Water director sells 550 shares at $23.93

Rhea-AI Filing Summary

Mueller Water Products, Inc. (MWA) director Christine Ortiz reported a sale of company common stock. On September 1, 2026, she sold 550 shares of Mueller Water Products common stock at $23.93 per share in an open market or private transaction, effected pursuant to a Rule 10b5-1 trading plan adopted on June 1, 2026. Following this transaction, she directly holds 30,274 shares of Mueller Water Products common stock.

Insider Trade Summary 10b5-1

Net Seller: 550 shares

Net Sell 1 txn

Insider Ortiz Christine

Role Director

Sold 550 shs ($13K)

Type	Security	Shares	Price	Value
Sale	Common Stock F1	550	$23.93	$13K

Holdings After Transaction: Common Stock — 30,274 shares (Direct)

Footnotes (1)

1. F1. The sale reported in this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on June 1, 2026.

Key Figures

Shares sold: 550 shares Sale price per share: $23.93 per share Shares owned after transaction: 30,274 shares +2 more

5 metrics

Shares sold 550 shares Common stock sale on September 1, 2026

Sale price per share $23.93 per share Common stock sale by Christine Ortiz

Shares owned after transaction 30,274 shares Direct holdings of Christine Ortiz following the sale

Rule 10b5-1 plan adoption date June 1, 2026 Plan under which the reported sale was effected

Net shares sold 550 shares Net sell direction across all reported transactions in this Form 4

Key Terms

Rule 10b5-1 trading plan, Form 4, sale in open market or private transaction

3 terms

Rule 10b5-1 trading plan regulatory

"The sale reported in this Form 4 was effected pursuant to a Rule 10b5-1 trading plan"

A Rule 10b5-1 trading plan is a pre-arranged schedule that allows company insiders to buy or sell stock at specific times, even if they have inside information. It helps prevent accusations of unfair trading by making these transactions look planned and transparent, rather than sneaky or illegal.

Form 4 regulatory

"The sale reported in this Form 4 was effected pursuant to a Rule 10b5-1"

Form 4 is a official document that company insiders, such as executives or major shareholders, file with regulators whenever they buy or sell company shares. It provides transparency about how those with inside knowledge are trading, helping investors see if insiders are confident in the company's prospects or may be selling for personal reasons. This information can influence investor decisions by revealing insiders' perspectives on the company's value.

sale in open market or private transaction financial

"transaction_code_description":"Sale in open market or private transaction"

FAQ

What insider transaction did MWA director Christine Ortiz report?

She reported selling 550 shares of Mueller Water Products common stock on September 1, 2026 at $23.93 per share in an open market or private transaction.

How many MWA shares does Christine Ortiz hold after this Form 4 transaction?

After the reported sale, Christine Ortiz directly holds 30,274 shares of Mueller Water Products common stock.

Was the MWA insider sale by Christine Ortiz under a Rule 10b5-1 plan?

Yes. The sale was effected pursuant to a Rule 10b5-1 trading plan adopted by Christine Ortiz on June 1, 2026.

What was the sale price per share in the MWA Form 4 filing?

The reported sale price was $23.93 per share for the 550 shares of Mueller Water Products common stock sold.

What type of transaction did the MWA Form 4 report?

The filing reports a sale of common stock, coded “S” as a sale in open market or private transaction involving 550 shares.

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Available on EDGAR 09/01/2026 - 05:31 PM Accepted by SEC EDGAR 09/01/2026 - 05:31 PM Learn about SEC filing dates

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^*

Ortiz Christine

(Last) (First) (Middle)

1200 ABERNATHY RD., NE

SUITE 1200

(Street)

ATLANTA GEORGIA 30328

(City) (State) (Zip)

UNITED STATES

(Country)

2. Issuer Name and Ticker or Trading Symbol
Mueller Water Products, Inc. [ MWA ]

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

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

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
09/01/2026

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
Common Stock	09/01/2026		S		550(1)	D	$23.93	30,274	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. The sale reported in this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on June 1, 2026.

	/s/ Barbara A. Smucygz, Attorney-in-Fact	09/01/2026
	** 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)