MUELLER INDUSTRIES INC — Proxy Solicitation & Information Statement 2026

Mar 26, 2026

DEFA14A 1 mli015162-defa14a.htm DEFINITIVE ADDITIONAL PROXY SOLICITING MATERIALS HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN" MUELLER INDUSTRIES, INC. - DEFA14A

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, DC 20549

SCHEDULE 14A

PROXY STATEMENT PURSUANT TO SECTION 14(a) OF THE SECURITIES EXCHANGE ACT OF 1934

(Amendment No. )

Filed by the Registrant Filed by a Party other than the Registrant

Check the appropriate box:
●	Preliminary Proxy Statement
●	Confidential, for Use of the Commission Only (as permitted by Rule 14A-6(E)(2))
●	Definitive Proxy Statement
●	Definitive Additional Materials
●	Soliciting Material under §240.14a-12

MUELLER INDUSTRIES, INC.

(Name of Registrant as Specified in Its Charter)

(Name of Person(s) Filing Proxy Statement, if other than the Registrant)

Payment of Filing Fee (Check all boxes that apply):
●	No fee required.
●	Fee paid previously with preliminary materials.
●	Fee computed on table in exhibit required by Item 25(b) per Exchange Act Rules 14a-6(i)(1) and 0-11.