Mueller Industries EVP disposes 1,808 shares

Mueller Industries executive Daniel Pieralisi, Executive VP - Admin, reported a code F disposition of 1,808 shares of common stock on 2026-07-30, delivering or withholding shares at $66.57 per share to cover an exercise price or tax liability.

Rhea-AI Filing Summary

Mueller Industries executive Daniel Pieralisi, Executive VP - Admin, reported a code F disposition of 1,808 shares of common stock on 2026-07-30, delivering or withholding shares at $66.57 per share to cover an exercise price or tax liability. After this event, he directly holds 83,108 shares of Mueller Industries common stock; the transaction was not reported as pursuant to a Rule 10b5-1 trading plan.

Insider Trade Summary

Exercise Price or Tax Liability: 1,808 shares

Exercise Price or Tax Liability 1 txn

Insider Pieralisi Daniel

Role Executive VP - Admin

Type	Security	Shares	Price	Value
Exercise Price or Tax Liability	Common Stock	1,808	$66.57	$120K

Holdings After Transaction: Common Stock — 83,108 shares (Direct)

Key Figures

Shares disposed: 1,808 shares Disposition reference price: $66.57 per share Shares held after transaction: 83,108 shares

3 metrics

Shares disposed 1,808 shares Common shares delivered or withheld on 2026-07-30 under code F

Disposition reference price $66.57 per share Per-share value applied to the 1,808-share code F transaction

Shares held after transaction 83,108 shares Direct common stock ownership by Daniel Pieralisi after the 2026-07-30 event

Key Terms

Payment of exercise price or tax liability by delivering or withholding securities, non-derivative, direct ownership

3 terms

Payment of exercise price or tax liability by delivering or withholding securities financial

"Transaction code F is described as payment of exercise price or tax liability by delivering or withholding securities"

non-derivative financial

"The reported common stock transaction is classified as non-derivative"

direct ownership financial

"Following the disposition, 83,108 common shares are reported as direct ownership"

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What insider transaction did Mueller Industries (MLI) report for Daniel Pieralisi?

Mueller Industries reported that Executive VP Daniel Pieralisi disposed of 1,808 common shares on 2026-07-30 using code F, meaning shares were delivered or withheld to cover an exercise price or tax liability, rather than sold in a standard market transaction.

How many Mueller Industries (MLI) shares does Daniel Pieralisi hold after the latest transaction?

After the reported transaction, Daniel Pieralisi directly holds 83,108 shares of Mueller Industries common stock. This figure reflects his post-disposition position following the 1,808-share code F event used to satisfy an exercise price or tax-related obligation.

At what price were the 1,808 Mueller Industries (MLI) shares valued in the Pieralisi transaction?

The 1,808 shares involved in Daniel Pieralisi’s transaction were valued at $66.57 per share. This per-share figure applies to the code F disposition, where shares were delivered or withheld to cover an exercise price or tax liability, not an open-market sale.

Was Daniel Pieralisi’s Mueller Industries (MLI) transaction under a Rule 10b5-1 plan?

The reported transaction was not marked as being conducted under a Rule 10b5-1 trading plan. The filing’s 10b5-1 checkbox was indicated as false, suggesting the code F disposition was not executed pursuant to a pre-arranged trading program.

What does transaction code F mean in the Mueller Industries (MLI) insider report?

Transaction code F indicates a payment of exercise price or tax liability by delivering or withholding securities. For Mueller Industries, this means the 1,808-share disposition by Daniel Pieralisi reflects covering obligations, rather than a straightforward market purchase or sale.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Available on EDGAR 07/31/2026 - 10:11 AM Accepted by SEC EDGAR 07/31/2026 - 10:11 AM 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).

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^*

Pieralisi Daniel

(Last) (First) (Middle)

1303 BRAYSHORE DRIVE

(Street)

COLLIERVILLE TENNESSEE 38017

(City) (State) (Zip)

UNITED STATES

(Country)

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

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

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	Executive VP - Admin

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
07/30/2026

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	07/30/2026		F		1,808	D	$66.57	83,108	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	07/31/2026
	** 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)