Director Terry Hermanson gifts 13,500 Mueller Industries (MLI) shares

Rhea-AI Filing Summary

Mueller Industries director Terry Hermanson reported a bona fide gift of 13,500 shares of Common Stock. The gift transfer, coded as a disposition, took place on February 26, 2026. After this transaction, Hermanson directly owns 86,748 Mueller Industries shares.

Insider Trade Summary

13,500 shares gifted

Mixed 1 txn

Insider HERMANSON TERRY

Role Director

Type	Security	Shares	Price	Value
Gift	Common Stock	13,500	$0.00	--

Holdings After Transaction: Common Stock — 86,748 shares (Direct)

Footnotes (1)

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
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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).

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^*

HERMANSON TERRY

(Last) (First) (Middle)

6 E 76TH STREET

(Street)

NEW YORK NY 10021

(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)
02/26/2026

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	02/26/2026		G		13,500	D	$0	86,748	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:

Remarks:

	Anthony J. Steinriede, Attorney-in-Fact	02/27/2026
	** 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.

FAQ

What insider transaction did Terry Hermanson report for Mueller Industries (MLI)?

Terry Hermanson reported a bona fide gift of 13,500 shares of Mueller Industries Common Stock. This was a Form 4 insider filing describing a non-cash transfer coded as a gift disposition on February 26, 2026.

How many Mueller Industries (MLI) shares did Terry Hermanson gift?

Terry Hermanson gifted 13,500 shares of Mueller Industries Common Stock. The Form 4 shows these shares were transferred as a bona fide gift, reducing his holdings but not involving any sale proceeds or purchase price in the reported transaction.

What is Terry Hermanson’s Mueller Industries (MLI) share ownership after the gift?

After the gift, Terry Hermanson directly owns 86,748 shares of Mueller Industries Common Stock. This post-transaction balance is disclosed in the Form 4 as his total direct holdings following the 13,500-share gift disposition reported for February 26, 2026.

Was the Mueller Industries (MLI) insider transaction a sale or a gift?

The transaction was a bona fide gift, not a sale. The Form 4 uses transaction code “G,” with the action described as a gift transfer, indicating shares were disposed of without a reported price or sale proceeds to Terry Hermanson.

What security type was involved in Terry Hermanson’s Mueller Industries (MLI) filing?

The filing involves Mueller Industries Common Stock. Terry Hermanson’s Form 4 specifies a non-derivative transaction in Common Stock, reporting a bona fide gift of 13,500 shares and a remaining direct ownership position of 86,748 shares after the transaction.