Mueller Industries insider stock sale: director trades 4,234 MLI shares

Rhea-AI Filing Summary

Mueller Industries Inc. (MLI)4,234 shares of common stock in an open-market transaction coded as a sale. The weighted average sale price was $108.6359 per share, with individual trades executed between $108.49 and $108.815.

After this transaction, the reporting person directly beneficially owns 41,745 shares of Mueller Industries common stock. The filing notes that the transaction was reported on Form 4 by a single reporting person, and it was signed by an attorney-in-fact on the reporting person’s behalf.

11/25/2025 - 12:12 PM

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

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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^*

GOLDMAN SCOTT JAY

(Last) (First) (Middle)

3541 CORDOVA DRIVE

(Street)

CALABASAS CA 91302

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
MUELLER INDUSTRIES INC [ MLI ]

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

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

3. Date of Earliest Transaction (Month/Day/Year)
11/25/2025

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

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

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

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	11/25/2025		S		4,234	D	$108.6359(1)	41,745	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 price reported is a weighted average price. These shares were sold in multiple transactions at prices ranging from $108.49 to $108.815, inclusive.

Remarks:

	Anthony J. Steinriede, Attorney-in-Fact	11/25/2025
	** 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.

FAQ

What insider transaction did Mueller Industries (MLI) report on this Form 4?

The filing reports that a director of Mueller Industries Inc. (MLI) sold 4,234 shares of common stock in an open-market sale.

On what date did the Mueller Industries (MLI) director sell shares?

The director’s sale of Mueller Industries common stock took place on 11/25/2025, which is listed as the transaction date and earliest transaction date.

What price did the Mueller Industries (MLI) director receive for the shares sold?

The reported weighted average sale price was $108.6359 per share, with trades executed at prices ranging from $108.49 to $108.815, inclusive.

How many Mueller Industries (MLI) shares does the director own after the sale?

Following the reported transaction, the director beneficially owns 41,745 shares of Mueller Industries common stock, held in direct ownership form.

What is the reporting person’s relationship to Mueller Industries (MLI)?

The reporting person is identified as a Director of Mueller Industries Inc. and filed this Form 4 as a single reporting person.

Were any derivative securities reported for this Mueller Industries (MLI) insider?

The section for derivative securities shows no derivative transactions reported for this insider; only common stock is listed in the non-derivative table.

Who signed the Form 4 for the Mueller Industries (MLI) director?

The Form 4 was signed by Anthony J. Steinriede as Attorney-in-Fact for the reporting person on 11/25/2025.