SEC Form 4 · accession 0001341985-26-000004
MUELLER INDUSTRIES INC · MLI
Statement of changes in beneficial ownership, as filed. Original on EDGAR ↗
Reporting owner
Gregory L. Christopher
Officer — Chairman of the Board & CEO · Director
Period of report
Aug 5, 2026
Accepted (ET)
Aug 5, 2026 · 3:30 pm EDT
Rule 10b5-1 plan
box not checked
Issuer CIK
0000089439
Table I — non-derivative securities
| Security | Date | Code | Shares | Price | A/D | Owned after | D/I | Nature of ownership |
|---|---|---|---|---|---|---|---|---|
| Common StockF1,F2 | Aug 5, 2026 | A | 125,000 | $0.00 | A | 1,798,850 | D | |
| Common StockF3 | holding | — | — | — | 27,200 | I | by children | |
| Common StockF4 | holding | — | — | — | 268,784 | I | by spouse | |
| Common StockF5 | holding | — | — | — | 145,040 | I | by trust where he is beneficiary | |
| Common StockF6 | holding | — | — | — | 140,000 | I | by trust where spouse is beneficiary |
Table II — derivative securities
No Table II lines on this filing.
Explanation of responses
- F1Represents 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.
- F2On 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 804,911 shares of common stock.
- F3On 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 13,600 shares of common stock.
- F4On 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 134,392 shares of common stock.
- F5On 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 72,520 shares of common stock.
- F6On 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 70,000 shares of common stock.