MUELLER INDUSTRIES INC — Director's Dealing 2025

Sep 2, 2025

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: MUELLER INDUSTRIES INC (MLI)
CIK: 0000089439
Period of Report: 2025-08-29

Reporting Person: Martin Jeffrey Andrew (EVP, CFO & Treasurer)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2025-08-29	Common Stock	S	66029	$95.6054	Disposed	305358	Direct

Footnotes

F1: This form reflects the sale of shares which may be deemed to be beneficially owned by the Reporting Person. The sale was effected pursuant to a previously disclosed Rule 10b5-1 trading plan.

F2: The price reported is a weighted average price. These shares were sold in multiple transactions at prices ranging from $95.24 to $96.54, inclusive.