Form 8-K

8-K — MUELLER INDUSTRIES INC

Accession: 0000089439-26-000021

Filed: 2026-05-11

Period: 2026-05-07

CIK: 0000089439

SIC: 3350 (ROLLING DRAWING & EXTRUDING OF NONFERROUS METALS)

Item: Submission of Matters to a Vote of Security Holders

Item: Other Events

Item: Financial Statements and Exhibits

Documents

8-K — mli-20260507.htm (Primary)

EX-99.1 (ex-99_1q22026dividend.htm)

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8-K

8-K (Primary)

Filename: mli-20260507.htm · Sequence: 1

mli-20260507

0000089439false00000894392026-02-202026-02-20

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 8-K

CURRENT REPORT

Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934

Date of Report (Date of earliest event reported): May 7, 2026

MUELLER INDUSTRIES INC.

(Exact name of registrant as specified in its charter)

Delaware 1-6770 25-0790410

(State or other jurisdiction (Commission File (IRS Employer

of incorporation) Number) Identification No.)

150 Schilling Boulevard Suite 100

Collierville Tennessee 38017

(Address of principal executive offices) (Zip Code)

Registrant’s telephone number, including area code: (901) 753-3200

Registrant’s Former Name or Address, if changed since last report: N/A

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions (see General Instruction A.2. below):

☐ Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

☐ Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

☐ Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

☐ Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Securities registered pursuant to Section 12(b) of the Act:

Title of each class Trading Symbol Name of exchange on which registered

Common Stock, $0.01 Par Value MLI NYSE

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter).

Emerging growth company ☐

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new of revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐

Item 5.07 Submission of Matters to a Vote of Security Holders.

On May 7, 2026, the Company held its Annual Meeting of Stockholders, at which three proposals were voted upon. The results of the vote are as follows:

Proposal 1 - Election of directors; the following persons were duly elected to serve, subject to the Company’s By-laws, as Directors of the Company until the next Annual Meeting, or until election and qualification of their successors:

For Withheld

Gregory L. Christopher 91,402,399 2,458,354

Elizabeth Donovan 64,132,441 29,728,312

William C. Drummond 92,784,657 1,076,096

Gary S. Gladstein 90,662,750 3,198,003

Scott J. Goldman 91,787,157 2,073,596

John B. Hansen 91,545,665 2,315,088

Terry Hermanson 87,392,647 6,468,106

Charles P. Herzog, Jr. 88,535,358 5,325,395

Proposal 2 - The Company’s stockholders approved the appointment of Ernst & Young LLP as the Company’s independent auditors for the fiscal year ending December 26, 2026:

For Against Abstain

98,482,822 2,465,822 316,383

Proposal 3 - The Company’s stockholders approved an advisory vote on the compensation of the Company’s named executive officers:

For Against Abstain Broker Non-Votes

87,587,873 4,306,124 1,966,756 7,404,274

Item 8.01 Other Events.

On May 8, 2026 the Registrant issued a press release announcing that its Board has declared a regular quarterly cash dividend of 35 cents per share on its common stock. The dividend will be paid June 19, 2026 to shareholders of record on June 5, 2026. A copy of the press release announcing the payment and record dates is attached as Exhibit 99.1.

Item 9.01 Financial Statements and Exhibits.

(d) Exhibits

99.1

Press release, dated May 8, 2026

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, as amended, the Registrant has duly caused this Report to be signed on its behalf by the undersigned hereunto duly authorized.

MUELLER INDUSTRIES, INC.

By:

/s/ ANTHONY J. STEINRIEDE

Name: Anthony J. Steinriede

Title: Vice President - Corporate Controller

Date: May 11, 2026

EX-99.1

Filename: ex-99_1q22026dividend.htm · Sequence: 2

Document

Mueller Industries, Inc. Declares Cash Dividend for Second Quarter

COLLIERVILLE, Tenn., May 8, 2026 – Mueller Industries, Inc. (NYSE: MLI) announced today that its Board of Directors has declared a regular quarterly cash dividend on its common stock of 35 cents per share. The dividend will be payable June 19, 2026 to shareholders of record on June 5, 2026.

Mueller Industries, Inc. (NYSE: MLI) is an industrial corporation whose holdings manufacture vital goods for important markets such as air, water, oil and gas distribution; climate comfort; food preservation; electrical transmission; medical; aerospace; and automotive. It includes a network of companies and brands throughout North America, Europe, Asia, and the Middle East.

*********************

Statements in this release that are not strictly historical may be "forward-looking" statements, which involve risks and uncertainties. These include economic and currency conditions, continued availability of raw materials and energy, market demand, pricing, competitive and technological factors, and the availability of financing, among others, as set forth in the Company's SEC filings. The words "outlook," "estimate," "project," "intend," "expect," "believe," "target," "encourage," "anticipate," "appear," and similar expressions are intended to identify forward-looking statements. The reader should not place undue reliance on forward-looking statements, which speak only as of the date of this report. The Company has no obligation to publicly update or revise any forward-looking statements to reflect events after the date of this report.

CONTACT

Jeffrey A. Martin

(901)753-3226

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