Jeffrey Andrew Martin - 05 Aug 2026 Form 4 Insider Report for MUELLER INDUSTRIES INC (MLI)

Reporting relationship: EVP, CFO & Treasurer
Issuer ticker: MLI
Reported as of: 05 Aug 2026
Net transaction value: $0
SEC form: 4
Accepted by SEC: 05 Aug 2026, 15:30:01 UTC
Prior SEC filing: 31 Jul 2026
Source filing: View source filing
Reporting owner signature: Anthony J. Steinriede, Attorney-in-Fact

Key filing fact

Jeffrey Andrew Martin filed Form 4 for MUELLER INDUSTRIES INC (MLI) on 05 Aug 2026.

Key facts

This page summarizes Jeffrey Andrew Martin's Form 4 filing for MUELLER INDUSTRIES INC (MLI).
1 reported transaction and 0 derivative rows are listed below.
Accepted by SEC: 05 Aug 2026, 15:30.

Change

Previous filing in this sequence was filed on 31 Jul 2026.
Current net transaction value: $0.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0001307520 Primary reporting owner

Martin Jeffrey Andrew

Relationship: EVP, CFO & Treasurer
Address: 5435 COLLINGWOOD COVE, MEMPHIS
Signature: Anthony J. Steinriede, Attorney-in-Fact
Signature date: 05 Aug 2026

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

MLI transaction

Common Stock

Award

Transaction value
Shares: +34,000
Change %: +5.4%
Price: $0.000000^*
Shares after: 658,925
Date: 05 Aug 2026
Ownership: Direct
Footnotes: F1, F2

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 2 footnotes

Footnote F1

Represents performance-based restricted stock, which may be earned between 0% and 200% of the target amount reported herein based upon the Issuer's actual performance as compared with an adjusted EBITDA target during the three-year period from December 28, 2025 through December 30, 2028. The vesting date is July 30, 2029.

Footnote F2

On June 30, 2026, the Issuer effected a 2-for-1 stock split of its common stock in the form of a stock dividend, as a result of which the Reporting Person received an additional 305,358 shares of common stock.