MLI / Mueller Industries, Inc. - Pengajuan SECLaporan Tahunan, Pernyataan Proksi

Mueller Industries, Inc.
US ˙ NYSE ˙ US6247561029

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LEI 5493005IZFE4VJLLYG84
CIK 89439
SEC Filings
All companies that sell securities in the United States must register with the Securities and Exchange Commission (SEC) and file reports on a regular basis. These reports include company annual reports (10K, 10Q), news updates (8K), investor presentations (found in 8Ks), insider trades (form 4), ownership reports (13D, and 13G), and reports related to the specific securities sold, such as registration statements and prospectus. This page shows recent SEC filings related to Mueller Industries, Inc.
SEC Filings (Chronological Order)
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July 31, 2025 8-K

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): July 31, 2025 MUELLER INDUSTRIES

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): July 31, 2025 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

July 31, 2025 EX-99.1

Mueller Industries, Inc. Declares Cash Dividend for Third Quarter

Mueller Industries, Inc. Declares Cash Dividend for Third Quarter COLLIERVILLE, Tenn., July 31, 2025 – Mueller Industries, Inc. (NYSE: MLI) announced today that its Board of Directors has declared a regular quarterly cash dividend on its common stock of 25 cents per share. The dividend will be payable September 19, 2025 to shareholders of record on September 5, 2025. Mueller Industries, Inc. (NYSE

July 23, 2025 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended June 28, 2025 OR ☐ TRANSITION REPORT PURSUANT TO SECT

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended June 28, 2025 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission file number 1-6770 MUELLER INDUSTRIES INC. (Exact

July 22, 2025 8-K

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): July 22, 2025 MUELLER INDUSTRIES

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): July 22, 2025 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

July 22, 2025 EX-99.1

Mueller Industries, Inc. Reports Second Quarter 2025 Earnings

Mueller Industries, Inc. Reports Second Quarter 2025 Earnings COLLIERVILLE, Tenn., July 22, 2025 - Mueller Industries, Inc. (NYSE: MLI) announces results for the second quarter of 2025. Comparisons are to the second quarter of 2024. •Net Income of $245.9 million versus $160.2 million •Operating Income of $304.2 million versus $210.0 million •Net Sales of $1.14 billion versus $997.7 million •Dilute

June 10, 2025 8-K

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): June 10, 2025 MUELLER INDUSTRIES

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): June 10, 2025 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

June 2, 2025 EX-1.01

Conflict Minerals Disclosure for the year ended December 31, 2024

Exhibit 1.01 Mueller Industries, Inc. Conflict Minerals Disclosure For The Year Ended December 31, 2024 1.Overview This report has been prepared by Mueller Industries, Inc. pursuant to Rule 13p-1 (the Rule) promulgated under the Securities Exchange Act of 1934 (the 1934 Act), as amended. As used in this report, the terms “Company”, “Mueller”, “we”, “us”, or “our” mean Mueller Industries, Inc. and

June 2, 2025 SD

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM SD Specialized Disclosure Report MUELLER INDUSTRIES, INC. (Exact name of registrant as specified in its charter) Delaware 1-6770 25-0790410 (State or other (Commission File

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM SD Specialized Disclosure Report MUELLER INDUSTRIES, INC. (Exact name of registrant as specified in its charter) Delaware 1-6770 25-0790410 (State or other (Commission File (IRS Employer jurisdiction of Number) Identification No.) incorporation) 150 Schilling Boulevard, Suite 100 Collierville, TN 38017 (Address of princip

May 12, 2025 8-K

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 8, 2025 MUELLER INDUSTRIES, I

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 8, 2025 MUELLER INDUSTRIES, INC. (Exact name of registrant as specified in its charter) Delaware 1-6770 25-0790410 (State or other jurisdiction of incorporation) (Commission File

May 12, 2025 EX-99.1

Mueller Industries, Inc. Declares Cash Dividend for Second Quarter

EX-99.1 Exhibit 99.1 Mueller Industries, Inc. Declares Cash Dividend for Second Quarter COLLIERVILLE, Tenn., May 9, 2025 – Mueller Industries, Inc. (NYSE: MLI) announced today that its Board of Directors has declared a regular quarterly cash dividend on its common stock of 25 cents per share. The dividend will be payable June 20, 2025 to shareholders of record on June 6, 2025. Mueller Industries,

April 23, 2025 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended March 29, 2025 OR ☐ TRANSITION REPORT PURSUANT TO SEC

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended March 29, 2025 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission file number 1-6770 MUELLER INDUSTRIES INC. (Exact

April 22, 2025 EX-99.1

Mueller Industries, Inc. Reports First Quarter 2025 Earnings

Mueller Industries, Inc. Reports First Quarter 2025 Earnings COLLIERVILLE, Tenn., April 22, 2025 - Mueller Industries, Inc. (NYSE: MLI) announces results for the first quarter of 2025. Comparisons are to the first quarter of 2024. •Net Income of $157.4 million versus $138.4 million •Operating Income of $206.3 million versus $183.4 million •Net Sales of $1.0 billion versus $849.7 million •Diluted E

April 22, 2025 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

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): April 22, 2025 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

March 27, 2025 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. )

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

March 27, 2025 DEF 14A

MESSAGE FROM OUR CHAIRMAN NOTICE PROXY SUMMARY ELECTION OF DIRECTORS CORPORATE GOVERNANCE 2024 DIRECTOR COMPENSATION APPOINTMENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM REPORT OF THE AUDIT COMMITTEE OF THE BOARD OF DIRECTORS ADVISORY VOTE ON

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.

February 26, 2025 EX-4.2

Description of securities

Exhibit 4.2 DESCRIPTION OF THE REGISTRANT’S SECURITIES REGISTERED PURSUANT TO SECTION 12 OF THE SECURITIES EXCHANGE ACT OF 1934 As of February 19, 2025, Mueller Industries, Inc. had one class of securities registered under Section 12 of the Securities Exchange Act of 1934, as amended: Common Stock, $0.01 par value per share (the “Common Stock”). The following summary describes our Common Stock and

February 26, 2025 10-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 28, 2024 OR ☐ TRANSITION REPORT PURSUANT TO SE

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 28, 2024 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission file number 1-6770 MUELLER INDUSTRIES, INC. (Exa

February 26, 2025 EX-21

Subsidiaries of the Registrant.

Exhibit 21.0 MUELLER INDUSTRIES, INC. List of Subsidiaries State or Country Subsidiary* of Incorporation ATCO Rubber Products, Inc. Michigan Mueller Brass Holding Company, Inc. Delaware Mueller Brass Co. (Assumed name: Mueller Brass Products) Michigan Extruded Metals, Inc. Delaware Mueller Industrial Realty Co. Michigan Itawamba Industrial Gas Company, Inc. Mississippi Mueller Plastics Holding Com

February 26, 2025 EX-10.7

Summary description of the Registrant’s 202

Exhibit 10.7 2025 INCENTIVE PLAN FOR CERTAIN KEY EMPLOYEES The Company has a discretionary annual incentive program under which exempt salaried employees may earn cash payments based on a percentage of base annual salary. The actual percent is based on a variety of guidelines including performance levels of the respective business units primarily measured by operating income subject to certain adj

February 21, 2025 8-K

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): February 21, 2025 MUELLER INDUSTR

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): February 21, 2025 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

February 21, 2025 EX-99.1

Mueller Industries, Inc. Announces 25 Percent Increase in Quarterly Dividend

Mueller Industries, Inc. Announces 25 Percent Increase in Quarterly Dividend COLLIERVILLE, Tenn., February 21, 2025 – For the fifth consecutive year, Mueller Industries, Inc. (NYSE: MLI) has announced a double digit increase to its quarterly dividend. The Board of Directors has declared a regular quarterly cash dividend of $.25 per share, to be paid on March 28, 2025 to stockholders of record as o

February 4, 2025 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

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): February 4, 2025 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

February 4, 2025 EX-99.1

Mueller Industries, Inc. Reports Fiscal 2024 Fourth Quarter and Full Year Results

Mueller Industries, Inc. Reports Fiscal 2024 Fourth Quarter and Full Year Results COLLIERVILLE, Tenn., February 4, 2025 - Mueller Industries, Inc. (NYSE: MLI) today reported 2024 fourth quarter and full year results. For the Fourth Quarter 2024 versus Fourth Quarter 2023: •Net sales: $923.5 million vs. $732.4 million, up 26.1%. •Operating income: $170.3 million vs. $135.2 million, up 26.0%. •Net i

November 8, 2024 8-K

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): November 8, 2024 MUELLER INDUSTRI

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): November 8, 2024 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

November 8, 2024 EX-99.1

Mueller Industries, Inc. Declares Cash Dividend for Fourth Quarter

Mueller Industries, Inc. Declares Cash Dividend for Fourth Quarter COLLIERVILLE, Tenn., November 8, 2024 – Mueller Industries, Inc. (NYSE: MLI) announced today that its Board of Directors has declared a regular cash dividend on its common stock of 20 cents per share. The dividend will be paid on December 20, 2024 to shareholders of record on December 6, 2024. Mueller Industries, Inc. (NYSE: MLI) i

October 31, 2024 SC 13D/A

MLI / Mueller Industries, Inc. / GAMCO INVESTORS, INC. ET AL Activist Investment

SC 13D/A 1 mli13.htm SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13D Under the Securities Exchange Act of 1934 (Amendment No. 13) Mueller Industries, Inc. (Name of Issuer) Common Stock (Title of Class of Securities) 624756102 (CUSIP Number) David Goldman GAMCO Investors, Inc. One Corporate Center Rye, New York 10580-1435 (914) 921-5000 (Name, Address and Telephone Number of

October 23, 2024 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly report ended September 28, 2024 OR ☐ TRANSITION REPORT PURSUANT TO

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly report ended September 28, 2024 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission file number 1-6770 MUELLER INDUSTRIES INC. (E

October 22, 2024 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

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): October 22, 2024 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

October 22, 2024 EX-99.1

Mueller Industries, Inc. Reports Third Quarter 2024 Earnings

Mueller Industries, Inc. Reports Third Quarter 2024 Earnings COLLIERVILLE, Tenn., October 22, 2024 - Mueller Industries, Inc. (NYSE: MLI) announces results for the third quarter of 2024. Comparisons are to the third quarter of 2023. •Net Sales of $997.8 million versus $819.8 million •Operating Income of $206.7 million versus $181.0 million •Earnings Before Taxes of $217.8 million versus $189.0 mil

August 2, 2024 S-8 POS

As filed with the Securities and Exchange Commission on August 2, 2024

As filed with the Securities and Exchange Commission on August 2, 2024 Registration No.

August 2, 2024 EX-FILING FEES

Filing Fee Table

Exhibit 107 Calculation of Filing Fee Table Form S-8 MUELLER INDUSTRIES, INC. Table 1: Newly Registered Securities Security Type Security Class Title Fee Calculation Rule Amount Registered (1) Proposed Maximum Offering Price Per Unit (3) Maximum Aggregate Offering Price (3) Fee Rate Amount of Registration Fee Equity Common Stock , par value $0.01 per share Rule 457(c) and Rule 457(h) 3,000,000 (2)

August 2, 2024 S-8 POS

As filed with the Securities and Exchange Commission on August 2, 2024

As filed with the Securities and Exchange Commission on August 2, 2024 Registration No.

August 2, 2024 S-8 POS

As filed with the Securities and Exchange Commission on August 2, 2024

As filed with the Securities and Exchange Commission on August 2, 2024 Registration No.

August 2, 2024 EX-99.1

Mueller Industries, Inc. Declares Cash Dividend for Third Quarter

Mueller Industries, Inc. Declares Cash Dividend for Third Quarter COLLIERVILLE, Tenn., August 1, 2024 – Mueller Industries, Inc. (NYSE: MLI) announced today that its Board of Directors has declared a regular cash dividend on its common stock of 20 cents per share. The dividend will be paid on September 20, 2024 to shareholders of record on September 6, 2024. Mueller Industries, Inc. (NYSE: MLI) is

August 2, 2024 S-8 POS

As filed with the Securities and Exchange Commission on August 2, 2024

As filed with the Securities and Exchange Commission on August 2, 2024 Registration No.

August 2, 2024 8-K

Financial Statements and Exhibits, Other Events

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): August 2, 2024 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

August 2, 2024 S-8 POS

As filed with the Securities and Exchange Commission on August 2, 2024

As filed with the Securities and Exchange Commission on August 2, 2024 Registration No.

August 2, 2024 S-8

As filed with the Securities and Exchange Commission on August 2, 2024

As filed with the Securities and Exchange Commission on August 2, 2024 Registration No.

July 24, 2024 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly report ended June 29, 2024 OR ☐ TRANSITION REPORT PURSUANT TO SECT

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly report ended June 29, 2024 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission file number 1-6770 MUELLER INDUSTRIES INC. (Exact

July 23, 2024 EX-99.1

Mueller Industries, Inc. Reports Second Quarter 2024 Earnings

Mueller Industries, Inc. Reports Second Quarter 2024 Earnings COLLIERVILLE, Tenn., July 23, 2024 - Mueller Industries, Inc. (NYSE: MLI) announces results for the second quarter of 2024. Comparisons are to the second quarter of 2023. •Net Sales of $997.7 million versus $897.0 million •Operating Income of $210.0 million versus $210.7 million •Earnings Before Taxes of $222.9 million versus $241.0 mil

July 23, 2024 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

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): July 23, 2024 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

May 31, 2024 EX-1.01

Conflict Minerals Disclosure for the year ended December 31, 2023

Exhibit 1.01 Mueller Industries, Inc. Conflict Minerals Disclosure For The Year Ended December 31, 2023 1.Overview This report has been prepared by Mueller Industries, Inc. pursuant to Rule 13p-1 (the Rule) promulgated under the Securities Exchange Act of 1934 (the 1934 Act), as amended. As used in this report, the terms "Company," "Mueller," "we," "us," or "our" mean Mueller Industries, Inc. and

May 31, 2024 SD

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM SD Specialized Disclosure Report MUELLER INDUSTRIES, INC. (Exact name of registrant as specified in its charter) Delaware 1-6770 25-0790410 (State or other (Commission File

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM SD Specialized Disclosure Report MUELLER INDUSTRIES, INC. (Exact name of registrant as specified in its charter) Delaware 1-6770 25-0790410 (State or other (Commission File (IRS Employer jurisdiction of Number) Identification No.) incorporation) 150 Schilling Boulevard, Suite 100 Collierville, TN 38017 (Address of princip

May 13, 2024 8-K

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers, Financial Statements and Exhibits, Other Events, Submission of Matters to a Vote of Security Holders

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 9, 2024 MUELLER INDUSTRIES, INC. (Exact name of registrant as specified in its charter) Delaware 1-6770 25-0790410 (State or other (Commission File (IRS Employer jurisdiction of N

May 13, 2024 EX-99.1

Mueller Industries, Inc. Declares Cash Dividend for Second Quarter

Mueller Industries, Inc. Declares Cash Dividend for Second Quarter COLLIERVILLE, Tenn., May 10, 2024 – Mueller Industries, Inc. (NYSE: MLI) announced today that its Board of Directors has declared a regular quarterly cash dividend on its common stock of 20 cents per share. The dividend will be payable June 21, 2024 to shareholders of record on June 7, 2024. Mueller Industries, Inc. (NYSE: MLI) is

April 24, 2024 EX-99.1

Mueller Industries, Inc. Reports First Quarter 2024 Earnings

Mueller Industries, Inc. Reports First Quarter 2024 Earnings COLLIERVILLE, Tenn., April 23, 2024 - Mueller Industries, Inc. (NYSE: MLI) announces results for the first quarter of 2024. Comparisons are to the first quarter of 2023. •Net Income of $138.4 million versus $173.2 million •Earnings Before Taxes of $201.6 million versus $237.4 million •Net Sales of $849.7 million versus $971.2 million •Di

April 24, 2024 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly report ended March 30, 2024 OR ☐ TRANSITION REPORT PURSUANT TO SEC

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly report ended March 30, 2024 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission file number 1-6770 MUELLER INDUSTRIES INC. (Exact

April 24, 2024 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

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): April 23, 2024 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

April 23, 2024 8-K

Current Report

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): April 19, 2024 MUELLER INDUSTRIES, INC. (Exact name of registrant as specified in its charter) Delaware 1-6770 25-0790410 (State or other jurisdiction of incorporation) (Commission Fi

April 23, 2024 EX-10.1

Equity Purchase Agreement by and among Unified Wire & Cable LLC, Conex Cable, LLC, Nehring Electrical Works Company, Express Wire and Cable Distributors, Inc., Wurlitzer Dietz Property LLC, Peace Road Properties, LLC and Locust Properties, LLC, the Sellers named therein, Mueller Industries, Inc., and Raymond Hott, as Representative of the Sellers, dated as of April 19, 2024.

Exhibit 10.1 EQUITY PURCHASE AGREEMENT by and among UNIFIED WIRE & CABLE LLC, CONEX CABLE, LLC, NEHRING ELECTRICAL WORKS COMPANY, EXPRESS WIRE AND CABLE DISTRIBUTORS, INC., WURLITZER DIETZ PROPERTY LLC, PEACE ROAD PROPERTIES, LLC and LOCUST PROPERTIES, LLC, as the Companies, RAYMOND HOTT, MELISSA SPELLMAN, THE MELISSA W. SPELLMAN TRUST DTD 9/28/12, RENEE KOZIN, JULIE HOTT and REBECCA HOTT, as the

April 23, 2024 EX-99.1

Mueller Industries, Inc. Agrees to Acquire Nehring Electrical Works Company

Exhibit 99.1 Mueller Industries, Inc. Agrees to Acquire Nehring Electrical Works Company COLLIERVILLE, Tenn., April 22, 2024 — Mueller Industries, Inc. (NYSE: MLI) today announced that it has entered into a definitive agreement to acquire Nehring Electrical Works Company and certain of its affiliated companies (collectively, “Nehring”) for approximately $575 million, subject to customary purchase

April 23, 2024 SC 13D/A

MLI / Mueller Industries, Inc. / GAMCO INVESTORS, INC. ET AL Activist Investment

SC 13D/A 1 mli12.htm SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13D Under the Securities Exchange Act of 1934 (Amendment No. 12) Mueller Industries, Inc. (Name of Issuer) Common Stock (Title of Class of Securities) 624756102 (CUSIP Number) David Goldman GAMCO Investors, Inc. One Corporate Center Rye, New York 10580-1435 (914) 921-5000 (Name, Address and Telephone Number of

April 5, 2024 DEFA14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. )

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 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)) ☐ Defin

March 28, 2024 DEF 14A

RESULTS AT A GLANCE 2023 HIGHLIGHTS MESSAGE FROM OUR CHAIRMAN NOTICE PROXY SUMMARY PROPOSAL 1: ELECTION OF DIRECTORS CORPORATE GOVERNANCE 2023 DIRECTOR COMPENSATION PROPOSAL 2: APPOINTMENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM REPORT OF TH

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.

March 28, 2024 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. )

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.

February 28, 2024 EX-97

Clawback Policy of the Registrant

Exhibit 97.0 MUELLER INDUSTRIES, INC. POLICY FOR THE RECOVERY OF ERRONEOUSLY AWARDED COMPENSATION 1.Purpose. The purpose of this Policy is to describe the circumstances in which Executives will be required to repay or return Erroneously Awarded Compensation to members of the Company Group. Each Executive will be bound by the terms of this Policy. 2.Administration. This Policy shall be administered

February 28, 2024 EX-10.6

Summary description of the Registrant’s 2024 incentive plan for certain key employees.

Exhibit 10.6 2024 INCENTIVE PLAN FOR CERTAIN KEY EMPLOYEES The Company has a discretionary annual incentive program under which exempt salaried employees may earn cash payments based on a percentage of base annual salary. The actual percent is based on a variety of guidelines including performance levels of the respective business units primarily measured by operating income subject to certain adj

February 28, 2024 EX-4.2

Description of securities

Exhibit 4.2 DESCRIPTION OF THE REGISTRANT’S SECURITIES REGISTERED PURSUANT TO SECTION 12 OF THE SECURITIES EXCHANGE ACT OF 1934 As of February 22, 2024, Mueller Industries, Inc. had one class of securities registered under Section 12 of the Securities Exchange Act of 1934, as amended: Common Stock, $0.01 par value per share (the “Common Stock”). The following summary describes our Common Stock and

February 28, 2024 10-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 30, 2023 OR ☐ TRANSITION REPORT PURSUANT TO SE

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 30, 2023 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission file number 1-6770 MUELLER INDUSTRIES, INC. (Exa

February 28, 2024 EX-21

Subsidiaries of the Registrant.

Exhibit 21.0 MUELLER INDUSTRIES, INC. List of Subsidiaries State or Country Subsidiary* of Incorporation ATCO Rubber Products, Inc. Michigan Mueller Brass Holding Company, Inc. Delaware Mueller Brass Co. (Assumed name: Mueller Brass Products) Michigan Extruded Metals, Inc. Delaware Mueller Industrial Realty Co. Michigan Itawamba Industrial Gas Company, Inc. Mississippi Mueller Plastics Holding Com

February 26, 2024 8-K

Financial Statements and Exhibits, Other Events

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): February 26, 2024 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

February 26, 2024 EX-99.1

Mueller Industries, Inc. Announces 33 Percent Increase in Quarterly Dividend

Mueller Industries, Inc. Announces 33 Percent Increase in Quarterly Dividend COLLIERVILLE, Tenn., February 23, 2024 – For the fourth consecutive year, Mueller Industries, Inc. (NYSE: MLI) has announced a double digit increase to its quarterly dividend. The Board of Directors has declared a regular quarterly cash dividend of $.20 per share, to be paid on March 29, 2024 to stockholders of record as

February 13, 2024 SC 13G/A

MLI / Mueller Industries, Inc. / VANGUARD GROUP INC - SCHEDULE 13G/A Passive Investment

SC 13G/A 1 tv01496-muellerindustriesinc.htm SCHEDULE 13G/A SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Schedule 13G Under the Securities Exchange Act of 1934 (Amendment No.: 14)* Name of issuer: Mueller Industries Inc Title of Class of Securities: Common Stock CUSIP Number: 624756102 Date of Event Which Requires Filing of this Statement: December 29, 2023 Check the appropriate box to

February 6, 2024 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

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): February 6, 2024 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

February 6, 2024 EX-99.1

Mueller Industries, Inc. Reports Fiscal 2023 Fourth Quarter and Full Year Results

Mueller Industries, Inc. Reports Fiscal 2023 Fourth Quarter and Full Year Results COLLIERVILLE, Tenn., February 6, 2024 - Mueller Industries, Inc. (NYSE: MLI) today reported 2023 fourth quarter and full year results. For the Fourth Quarter 2023 versus Fourth Quarter 2022: •Net income: $119.2 million vs $138.9 million, down 14.2%. •Earnings before taxes: $177.9 million vs $185.9 million, down 4.3%.

January 12, 2024 SC 13G/A

MLI / Mueller Industries, Inc. / Allspring Global Investments Holdings, LLC Passive Investment

SC 13G/A 1 Mueller20231231.htm UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No.2 ) MUELLER INDUSTRIES INC (Name of Issuer) COM (Title of Class of Securities) 624756102 (CUSIP Number) December 31, 2023 (Date of Event Which Requires Filing of this Statement) Check the appropriate box to designate the rule pu

November 3, 2023 8-K

Financial Statements and Exhibits, Other Events

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): November 3, 2023 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

November 3, 2023 EX-99.1

Mueller Industries, Inc. Declares Cash Dividend for Fourth Quarter

Mueller Industries, Inc. Declares Cash Dividend for Fourth Quarter COLLIERVILLE, Tenn., November 3, 2023 – Mueller Industries, Inc. (NYSE: MLI) announced today that its Board of Directors has declared a regular quarterly cash dividend on its common stock of 15 cents per share. The dividend will be payable December 15, 2023 to shareholders of record on December 1, 2023. Mueller Industries, Inc. (NY

October 25, 2023 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly report ended September 30, 2023 OR ☐ TRANSITION REPORT PURSUANT TO

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly report ended September 30, 2023 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission file number 1-6770 MUELLER INDUSTRIES INC. (E

October 24, 2023 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

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): October 24, 2023 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

October 24, 2023 EX-99.1

Mueller Industries, Inc. Reports Third Quarter 2023 Earnings

Mueller Industries, Inc. Reports Third Quarter 2023 Earnings COLLIERVILLE, Tenn., October 24, 2023 - Mueller Industries, Inc. (NYSE: MLI) announces results for the third quarter of 2023. Comparisons are to the third quarter of 2022. •Operating Income of $181.0 million versus $205.2 million •Net Income of $132.7 million versus $154.5 million •Diluted EPS* of $1.17 versus $1.37 •Net Sales of $819.8

September 27, 2023 EX-99.1

Mueller Industries, Inc. Announces Two-for-One Stock Split

Mueller Industries, Inc. Announces Two-for-One Stock Split COLLIERVILLE, Tenn., September 26, 2023 - Mueller Industries, Inc. (NYSE: MLI) announced today that its Board of Directors has declared a two-for-one stock split to be effected in the form of a 100 percent stock dividend. Stockholders of record on October 6, 2023 will receive one additional share of common stock for each share of the Compa

September 27, 2023 EX-3.1

Certificate of Change for Mueller Industries, Inc., effective as of September 26, 2023

CERTIFICATE OF AMENDMENT OF RESTATED CERTIFICATE OF INCORPORATION OF MUELLER INDUSTRIES, INC.

September 27, 2023 8-K

Amendments to Articles of Incorporation or Bylaws; Change in Fiscal Year, Financial Statements and Exhibits, Other Events, Submission of Matters to a Vote of Security Holders

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): September 27, 2023 MUELLER INDUSTRIES INC. (Exact name of registrant as specified in its charter) Delaware 1-6770 25-0790410 (State or other jurisdiction (Commission File (IRS Employe

August 17, 2023 DEFA14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 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 State

August 17, 2023 DEF 14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 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 State

August 1, 2023 EX-99.1

Mueller Industries, Inc. Declares Cash Dividend for Third Quarter

Mueller Industries, Inc. Declares Cash Dividend for Third Quarter COLLIERVILLE, Tenn., July 28, 2023 – Mueller Industries, Inc. (NYSE: MLI) announced today that its Board of Directors has declared a regular quarterly cash dividend on its common stock of 30 cents per share. The dividend will be payable September 15, 2023 to shareholders of record on September 1, 2023. Mueller Industries, Inc. (NYSE

August 1, 2023 8-K

Financial Statements and Exhibits, Other Events

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): July 28, 2023 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

August 1, 2023 EX-99.2

Mueller Industries, Inc. Announces Special Meeting to Approve Increase in Authorized Common Stock

Mueller Industries, Inc. Announces Special Meeting to Approve Increase in Authorized Common Stock COLLIERVILLE, Tenn., July 31, 2023 – Mueller Industries, Inc. (NYSE: MLI) today announced that is has filed a preliminary proxy statement with the Securities and Exchange Commission for a special meeting of shareholders to approve an amendment to the Company’s Restated Certificate of Incorporation to

July 31, 2023 PRE 14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 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 State

July 26, 2023 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly report ended July 1, 2023 OR ☐ TRANSITION REPORT PURSUANT TO SECTI

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly report ended July 1, 2023 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission file number 1-6770 MUELLER INDUSTRIES INC. (Exact n

July 25, 2023 8-K

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): July 25, 2023 MUELLER INDUSTRIES

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): July 25, 2023 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

July 25, 2023 EX-99.1

Mueller Industries, Inc. Reports Second Quarter 2023 Earnings

Mueller Industries, Inc. Reports Second Quarter 2023 Earnings COLLIERVILLE, Tenn., July 25, 2023 - Mueller Industries, Inc. (NYSE: MLI) announces results for the second quarter of 2023. Comparisons are to the second quarter of 2022, which, for context, yielded the highest quarterly earnings on record and a 70 percent increase in operating income over the same period in 2021. •Operating Income of $

June 30, 2023 SC 13D/A

MLI / Mueller Industries, Inc. / GAMCO INVESTORS, INC. ET AL Activist Investment

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13D Under the Securities Exchange Act of 1934 (Amendment No. 11) Mueller Industries, Inc. (Name of Issuer) Common Stock (Title of Class of Securities) 624756102 (CUSIP Number) David Goldman GAMCO Investors, Inc. One Corporate Center Rye, New York 10580-1435 (914) 921-5000 (Name, Address and Telephone Number of Person Authorized to

May 31, 2023 EX-1.01

Conflict Minerals Disclosure for the year ended December 31, 202

Exhibit 1.01 Mueller Industries, Inc. Conflict Minerals Disclosure For The Year Ended December 31, 2022 1.Overview This report has been prepared by Mueller Industries, Inc. pursuant to Rule 13p-1 (the Rule) promulgated under the Securities Exchange Act of 1934 (the 1934 Act), as amended. As used in this report, the terms "Company," "Mueller," "we," "us," or "our" mean Mueller Industries, Inc. and

May 31, 2023 SD

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM SD Specialized Disclosure Report MUELLER INDUSTRIES, INC. (Exact name of registrant as specified in its charter) Delaware 1-6770 25-0790410 (State or other (Commission File

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM SD Specialized Disclosure Report MUELLER INDUSTRIES, INC. (Exact name of registrant as specified in its charter) Delaware 1-6770 25-0790410 (State or other (Commission File (IRS Employer jurisdiction of Number) Identification No.) incorporation) 150 Schilling Boulevard, Suite 100 Collierville, TN 38017 (Address of princip

May 8, 2023 8-K

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

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 4, 2023 MUELLER INDUSTRIES, INC. (Exact name of registrant as specified in its charter) Delaware 1-6770 25-0790410 (State or other (Commission File (IRS Employer jurisdiction of N

May 8, 2023 EX-99.1

Mueller Industries, Inc. Declares Cash Dividend for Second Quarter

Mueller Industries, Inc. Declares Cash Dividend for Second Quarter COLLIERVILLE, Tenn., May 5, 2023 – Mueller Industries, Inc. (NYSE: MLI) announced today that its Board of Directors has declared a regular quarterly cash dividend on its common stock of 30 cents per share. The dividend will be payable June 16, 2023 to shareholders of record on June 2, 2023. Mueller Industries, Inc. (NYSE: MLI) is a

April 26, 2023 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly report ended April 1, 2023 OR ☐ TRANSITION REPORT PURSUANT TO SECT

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly report ended April 1, 2023 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission file number 1-6770 MUELLER INDUSTRIES INC. (Exact

April 25, 2023 8-K

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): April 25, 2023 MUELLER INDUSTRIES

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): April 25, 2023 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

April 25, 2023 EX-99.1

Mueller Industries, Inc. Reports First Quarter 2023 Earnings

Mueller Industries, Inc. Reports First Quarter 2023 Earnings COLLIERVILLE, Tenn., April 25, 2023 - Mueller Industries, Inc. (NYSE: MLI) announces results for the first quarter of 2023. Results as compared with the first quarter of 2022 include: •Operating Income of $229.1 million versus $212.7 million, an increase of 7.7%. •Net Income of $173.2 million versus $158.3 million, an increase of 9.4%. •

April 3, 2023 EX-99.01

Mueller Industries, Inc. Announcement Regarding Covington, Tennessee Plant

Mueller Industries, Inc. Announcement Regarding Covington, Tennessee Plant COLLIERVILLE, Tenn., April 3rd, 2023 - Mueller Industries, Inc. (NYSE: MLI) announced that its manufacturing plant located in Covington, Tennessee, was damaged by a tornado on Friday evening. All employees were safely located in shelters and were without injury. The extent of the damage is presently being assessed. The plan

April 3, 2023 8-K

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): April 3, 2023 MUELLER INDUSTRIES

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): April 3, 2023 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

March 23, 2023 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. )

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.

March 23, 2023 DEF 14A

MESSAGE FROM OUR CHAIRMAN PROXY SUMMARY PROPOSAL 1 ELECTION OF DIRECTORS CORPORATE GOVERNANCE 2022 DIRECTOR COMPENSATION PROPOSAL 2 APPOINTMENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM REPORT OF THE AUDIT COMMITTEE OF THE BOARD OF DIRECTORS P

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.

February 28, 2023 EX-99.1

(Incorporated herein by reference to Exhibit

MUELLER INDUSTRIES, INC. INSIDER TRADING POLICY THIS POLICY HAS BEEN APPROVED BY THE AUDIT COMMITTEE OF THE BOARD OF DIRECTORS OF MUELLER INDUSTRIES, INC. (“the Company”) ON FEBRUARY 6, 2023 AND IS APPLICABLE TO ALL DIRECTORS, OFFICERS, EMPLOYEES, ADVISORS, AND CONSULTANTS OF THE COMPANY Policy Statement The purchase or sale of securities while possessing material nonpublic information or the sele

February 28, 2023 EX-10.6

Summary description of the Registrant’s 2023 incentive plan for certain key employees.

Exhibit 10.6 2023 INCENTIVE PLAN FOR CERTAIN KEY EMPLOYEES The Company has a discretionary annual incentive program under which exempt salaried employees may earn cash payments based on a percentage of base annual salary. The actual percent is based on a variety of guidelines including performance levels of the respective business units primarily measured by operating income subject to certain adj

February 28, 2023 10-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2022 OR ☐ TRANSITION REPORT PURSUANT TO SE

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2022 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission file number 1-6770 MUELLER INDUSTRIES, INC. (Exa

February 28, 2023 EX-23.0

onsent of Independent Registered Public Accounting Firm.

Exhibit 23.0 Consent of Independent Registered Public Accounting Firm We consent to the incorporation by reference in the following Registration Statements: 1)Form S-3 No. 333-182906 pertaining to the registration of 20,845,718 shares of Mueller Industries, Inc. common stock, 2)Form S-8 No. 333-232882 pertaining to the Mueller Industries, Inc. 2019 Incentive Plan, 3)Form S-8 No. 333-197609 pertain

February 28, 2023 EX-4.2

Description of securities

Exhibit 4.2 DESCRIPTION OF THE REGISTRANT’S SECURITIES REGISTERED PURSUANT TO SECTION 12 OF THE SECURITIES EXCHANGE ACT OF 1934 As of February 23, 2023, Mueller Industries, Inc. had one class of securities registered under Section 12 of the Securities Exchange Act of 1934, as amended: Common Stock, $0.01 par value per share (the “Common Stock”). The following summary describes our Common Stock and

February 28, 2023 EX-21.0

the Registrant.

Exhibit 21.0 MUELLER INDUSTRIES, INC. List of Subsidiaries State or Country Subsidiary* of Incorporation ATCO Rubber Products, Inc. Michigan Mueller Brass Holding Company, Inc. Delaware Mueller Brass Co. (Assumed name: Mueller Brass Products) Michigan Extruded Metals, Inc. Delaware Mueller Industrial Realty Co. Michigan Itawamba Industrial Gas Company, Inc. Mississippi Mueller Plastics Holding Com

February 21, 2023 8-K

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): February 21, 2023 MUELLER INDUSTR

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): February 21, 2023 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

February 21, 2023 EX-99.1

Mueller Industries, Inc. Announces 20 Percent Increase in Quarterly Dividend

Mueller Industries, Inc. Announces 20 Percent Increase in Quarterly Dividend COLLIERVILLE, Tenn., February 21, 2023 – For the third consecutive year, Mueller Industries, Inc. (NYSE: MLI) has announced a double digit increase to its quarterly dividend. The Board of Directors has declared a regular quarterly cash dividend of $.30 per share, to be paid on March 31, 2023 to stockholders of record as o

February 21, 2023 8-K

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): February 17, 2023 MUELLER INDUSTR

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): February 17, 2023 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

February 21, 2023 EX-3.1

Amended and Restated By-laws of the Registrant, effective as of February 17, 2023 (Incorporated herein by reference to Exhibit 3.1 of the Registrant’s Current Report on Form 8-K, dated February 21, 2023).

AMENDED AND RESTATED BY-LAWS OF MUELLER INDUSTRIES, INC. (Effective as of February 17, 2023) ARTICLE I. OFFICES The registered office of the Corporation shall be in the City of Dover, County of Kent, State of Delaware. The Corporation also may have offices at such other places, within or without the State of Delaware, as the Board of Directors determines from time to time or the business of the Co

February 15, 2023 SC 13D/A

MLI / Mueller Industries, Inc. / GAMCO INVESTORS, INC. ET AL Activist Investment

SC 13D/A 1 mli10.htm SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13D Under the Securities Exchange Act of 1934 (Amendment No. 10) Mueller Industries, Inc. (Name of Issuer) Common Stock (Title of Class of Securities) 624756102 (CUSIP Number) David Goldman GAMCO Investors, Inc. One Corporate Center Rye, New York 10580-1435 (914) 921-5000 (Name, Address and Telephone Number of

February 9, 2023 SC 13G/A

MLI / Mueller Industries, Inc. / VANGUARD GROUP INC - SCHEDULE 13G/A Passive Investment

SC 13G/A 1 tv01463-muellerindustriesinc.htm SCHEDULE 13G/A SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Schedule 13G Under the Securities Exchange Act of 1934 (Amendment No.: 13)* Name of issuer: Mueller Industries Inc. Title of Class of Securities: Common Stock CUSIP Number: 624756102 Date of Event Which Requires Filing of this Statement: December 30, 2022 Check the appropriate box t

February 7, 2023 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

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): February 7, 2023 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

February 7, 2023 EX-99

Mueller Industries, Inc. Reports Fiscal 2022 Fourth Quarter and Full Year Results

Mueller Industries, Inc. Reports Fiscal 2022 Fourth Quarter and Full Year Results COLLIERVILLE, Tenn., February 7, 2023 - Mueller Industries, Inc. (NYSE: MLI) today reported 2022 fourth quarter and full year results. For the Fourth Quarter 2022 versus Fourth Quarter 2021: •Operating income: $190.4 million vs $172.1 million, up 10.6%. •Net sales: $877.6 million vs $956.4 million, down 8.2%. •Net in

January 13, 2023 SC 13G/A

MLI / Mueller Industries, Inc. / Allspring Global Investments Holdings, LLC Passive Investment

SC 13G/A 1 Muellerinds624756102.htm UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No.1 ) MUELLER INDUSTRIES INC (Name of Issuer) COM (Title of Class of Securities) 624756102 (CUSIP Number) December 31, 2022 (Date of Event Which Requires Filing of this Statement) Check the appropriate box to designate the ru

November 4, 2022 8-K

Financial Statements and Exhibits, Other Events

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): November 4, 2022 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

November 4, 2022 EX-99.1

Mueller Industries, Inc. Declares Cash Dividend for Fourth Quarter

Mueller Industries, Inc. Declares Cash Dividend for Fourth Quarter COLLIERVILLE, Tenn., November 4, 2022 - Mueller Industries, Inc. (NYSE: MLI) announced today that its Board of Directors has declared a regular quarterly cash dividend on its common stock of 25 cents per share. The dividend will be payable December 16, 2022 to shareholders of record on December 2, 2022. Mueller Industries, Inc. (NY

October 19, 2022 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly report ended September 24, 2022 OR ☐ TRANSITION REPORT PURSUANT TO

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly report ended September 24, 2022 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission file number 1-6770 MUELLER INDUSTRIES INC. (E

October 18, 2022 EX-99.1

Mueller Industries, Inc. Reports Third Quarter 2022 Earnings

Mueller Industries, Inc. Reports Third Quarter 2022 Earnings COLLIERVILLE, Tenn., October 18, 2022 - Mueller Industries, Inc. (NYSE: MLI) announces results for the third quarter of 2022. All comparisons are to the prior year quarter (which included a $54.8 million pre-tax gain from divestitures). ?Operating Income of $205.2 million versus $233.4 million. Adjusting for the aforementioned gain, this

October 18, 2022 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

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): October 18, 2022 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

August 23, 2022 SC 13D/A

MLI / Mueller Industries, Inc. / GAMCO INVESTORS, INC. ET AL Activist Investment

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13D Under the Securities Exchange Act of 1934 (Amendment No. 9) Mueller Industries, Inc. (Name of Issuer) Common Stock (Title of Class of Securities) 624756102 (CUSIP Number) David Goldman GAMCO Investors, Inc. One Corporate Center Rye, New York 10580-1435 (914) 921-5000 (Name, Address and Telephone Number of Person Authorized to R

July 29, 2022 EX-99.1

Mueller Industries, Inc. Declares Cash Dividend for Third Quarter

Mueller Industries, Inc. Declares Cash Dividend for Third Quarter COLLIERVILLE, Tenn., July 29, 2022 - Mueller Industries, Inc. (NYSE: MLI) announced today that its Board of Directors has declared a regular quarterly cash dividend on its common stock of 25 cents per share. The dividend will be payable September 16, 2022 to shareholders of record on September 2, 2022. Mueller Industries, Inc. (NYSE

July 29, 2022 8-K

Financial Statements and Exhibits, Other Events

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): July 29, 2022 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

July 20, 2022 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly report ended June 25, 2022 OR ☐ TRANSITION REPORT PURSUANT TO SECT

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. FORM 10-Q ? QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly report ended June 25, 2022 OR ? TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission file number 1-6770 MUELLER INDUSTRIES INC. (Exact

July 20, 2022 EX-10.1

, 2022 by and between the Registrant and

July 18, 2022 Re: Severance Protections Dear Steffen: This letter (this ?Agreement?) sets forth certain severance protections that are being provided to you as a key executive in the Company.

July 19, 2022 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

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): July 19, 2022 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

July 19, 2022 EX-99.1

Mueller Industries, Inc. Reports Second Quarter 2022 Earnings

Mueller Industries, Inc. Reports Second Quarter 2022 Earnings COLLIERVILLE, Tenn., July 19, 2022 - Mueller Industries, Inc. (NYSE: MLI) announces results for the second quarter of 2022. (All comparisons are to the prior year quarter.) ?Operating Income of $268.9 million versus $157.8 million ?Net Income of $206.6 million versus $108.8 million ?EPS of $3.65 versus $1.92 ?Net Sales of $1.15 billion

May 31, 2022 EX-1.01

Conflict Minerals Disclosure for the year ended December 31, 20

EX-1.01 2 exhibit101-2021formsd.htm EX-1.01 Exhibit 1.01 Mueller Industries, Inc. Conflict Minerals Disclosure For The Year Ended December 31, 2021 1.Overview This report has been prepared by Mueller Industries, Inc. pursuant to Rule 13p-1 (the Rule) promulgated under the Securities Exchange Act of 1934 (the 1934 Act), as amended. As used in this report, the terms "Company," "Mueller," "we," "us,"

May 31, 2022 SD

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM SD Specialized Disclosure Report MUELLER INDUSTRIES, INC. (Exact name of registrant as specified in its charter) Delaware 1-6770 25-0790410 (State or other (Commission File

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM SD Specialized Disclosure Report MUELLER INDUSTRIES, INC. (Exact name of registrant as specified in its charter) Delaware 1-6770 25-0790410 (State or other (Commission File (IRS Employer jurisdiction of Number) Identification No.) incorporation) 150 Schilling Boulevard, Suite 100 Collierville, TN 38017 (Address of princip

May 9, 2022 8-K

Financial Statements and Exhibits, Other Events, Submission of Matters to a Vote of Security Holders

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 5, 2022 MUELLER INDUSTRIES, INC. (Exact name of registrant as specified in its charter) Delaware 1-6770 25-0790410 (State or other (Commission File (IRS Employer jurisdiction of N

May 9, 2022 EX-99.`

Mueller Industries, Inc. Declares Cash Dividend for Second Quarter

Mueller Industries, Inc. Declares Cash Dividend for Second Quarter COLLIERVILLE, Tenn., May 5, 2022 - Mueller Industries, Inc. (NYSE: MLI) announced today that its Board of Directors has declared a regular quarterly cash dividend on its common stock of 25 cents per share. The dividend will be payable June 17, 2022 to shareholders of record on June 3, 2022. Mueller Industries, Inc. (NYSE: MLI) is a

April 20, 2022 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly report ended March 26, 2022 OR ☐ TRANSITION REPORT PURSUANT TO SEC

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. FORM 10-Q ? QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly report ended March 26, 2022 OR ? TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission file number 1-6770 MUELLER INDUSTRIES INC. (Exact

April 19, 2022 EX-99.1

Mueller Industries, Inc. Reports First Quarter 2022 Earnings

Mueller Industries, Inc. Reports First Quarter 2022 Earnings COLLIERVILLE, Tenn., April 19, 2022 - Mueller Industries, Inc. (NYSE: MLI) announces results for the first quarter of 2022. (All comparisons are to the prior year quarter.) ?Operating Income of $212.7 million versus $92.5 million ?Net Income of $158.3 million versus $63.1 million ?EPS of $2.78 versus $1.11 ?Net Sales of $1.01 billion ver

April 19, 2022 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

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): April 19, 2022 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

April 11, 2022 8-K

Amendments to Articles of Incorporation or Bylaws; Change in Fiscal Year

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): April 6, 2022 MUELLER INDUSTRIES, INC. (Exact name of registrant as specified in its charter) Delaware 1-6770 25-0790410 (State or other (Commission File (IRS Employer jurisdiction of

April 11, 2022 EX-99.1

AMENDED AND RESTATED BY-LAWS OF MUELLER INDUSTRIES, INC. (Effective as of April 6, 2022) ARTICLE I. OFFICES

AMENDED AND RESTATED BY-LAWS OF MUELLER INDUSTRIES, INC. (Effective as of April 6, 2022) ARTICLE I. OFFICES The registered office of the Corporation shall be in the City of Dover, County of Kent, State of Delaware. The Corporation also may have offices at such other places, within or without the State of Delaware, as the Board of Directors determines from time to time or the business of the Corpor

March 31, 2022 DEF 14A

PROPOSAL 2

DEF 14A 1 lmli2022def14a.htm MUELLER INDUSTRIES INC - DEF 14A 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 Commis

February 23, 2022 EX-10.13

Change in Control Agreement, effective February 22, 2022 by and between the Registrant and Jeffrey A. Martin (Incorporated herein by reference to Exhibit 10.13 of the Registrant’s Annual Report on Form 10-K, for the period ended December 25, 2021, dated February 23, 2022).

February 22, 2022 Re: Severance Protections Dear Jeff: This letter (this ?Agreement?) sets forth certain severance protections that are being provided to you as a key executive in the Company.

February 23, 2022 EX-10.14

Change in Control Agreement, effective February 22, 2022 by and between the Registrant and Christopher J. Miritello (Incorporated herein by reference to Exhibit 10.14 of the Registrant’s Annual Report on Form 10-K, for the period ended December 25, 2021, dated February 23, 2022).

February 22, 2022 Re: Severance Protections Dear Chris: This letter (this ?Agreement?) sets forth certain severance protections that are being provided to you as a key executive in the Company.

February 23, 2022 10-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 25, 2021 OR ☐ TRANSITION REPORT PURSUANT TO SE

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K ? ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 25, 2021 OR ? TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission file number 1-6770 MUELLER INDUSTRIES, INC. (Exa

February 23, 2022 EX-4.4

Description of securities

Exhibit 4.4 DESCRIPTION OF THE REGISTRANT?S SECURITIES REGISTERED PURSUANT TO SECTION 12 OF THE SECURITIES EXCHANGE ACT OF 1934 As of February 18, 2022, Mueller Industries, Inc. had one class of securities registered under Section 12 of the Securities Exchange Act of 1934, as amended: Common Stock, $0.01 par value per share (the ?Common Stock?). The following summary describes our Common Stock and

February 23, 2022 EX-10.8

Summary description of the Registrant’s 2022 incentive plan for certain key employees.

Exhibit 10.8 2021 INCENTIVE PLAN FOR CERTAIN KEY EMPLOYEES The Company has a discretionary annual incentive program under which exempt salaried employees may earn cash payments based on a percentage of base annual salary. The actual percent is based on a variety of guidelines including performance levels of the respective business units primarily measured by operating income subject to certain adj

February 23, 2022 EX-21

Subsidiaries of the Registrant.

Exhibit 21.0 MUELLER INDUSTRIES, INC. List of Subsidiaries State or Country Subsidiary* of Incorporation ATCO Rubber Products, Inc. Michigan Mueller Brass Holding Company, Inc. Delaware Mueller Brass Co. (Assumed name: Mueller Brass Products) Michigan Extruded Metals, Inc. Delaware Mueller Advanced Connections, LLC Delaware Mueller Industrial Realty Co. Michigan Itawamba Industrial Gas Company, In

February 18, 2022 EX-99.1

Mueller Industries, Inc. Announces 92 Percent Increase in Quarterly Dividend

Mueller Industries, Inc. Announces 92 Percent Increase in Quarterly Dividend COLLIERVILLE, Tenn., February 18, 2022 - Mueller Industries, Inc. (NYSE: MLI) announced today that its Board of Directors has declared a regular quarterly cash dividend. The company is raising the quarterly dividend to $.25 per share payable on April 1, 2022 to stockholders of record as of the close of business on March 1

February 18, 2022 8-K

Financial Statements and Exhibits, Other Events

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): February 18, 2022 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

February 10, 2022 SC 13G/A

MLI / Mueller Industries, Inc. / VANGUARD GROUP INC - SCHEDULE 13G/A Passive Investment

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Schedule 13G Under the Securities Exchange Act of 1934 (Amendment No.: 12)* Name of issuer: Mueller Industries Inc. Title of Class of Securities: Common Stock CUSIP Number: 624756102 Date of Event Which Requires Filing of this Statement: December 31, 2021 Check the appropriate box to designate the rule pursuant to which this Schedule is fil

February 1, 2022 EX-99

Mueller Industries, Inc. Reports Fiscal 2021 Fourth Quarter and Full Year Results

Mueller Industries, Inc. Reports Fiscal 2021 Fourth Quarter and Full Year Results COLLIERVILLE, Tenn., February 1, 2022 - Mueller Industries, Inc. (NYSE: MLI) today reported 2021 fourth quarter and full year results. Fourth Quarter metrics: ?Operating income was $172.1 million, up 165%. ?Net sales were $956.4 million, up 42%. ?Net income was $125.6 million versus $36.4 million. ?Diluted EPS was $2

February 1, 2022 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

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): February 1, 2022 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

January 27, 2022 SC 13G/A

MLI / Mueller Industries, Inc. / WELLS FARGO & COMPANY/MN Passive Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. 3) MUELLER INDS INC (Name of Issuer) COM (Title of Class of Securities) 624756102 (CUSIP Number) December 31, 2021 (Date of Event Which Requires Filing of this Statement) Check the appropriate box to designate the rule pursuant to which this Schedule is file

January 19, 2022 SC 13G

MLI / Mueller Industries, Inc. / Allspring Global Investments Holdings, LLC Passive Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. ) MUELLER INDUSTRIES INC (Name of Issuer) COM (Title of Class of Securities) 624756102 (CUSIP Number) December 31, 2021 (Date of Event Which Requires Filing of this Statement) Check the appropriate box to designate the rule pursuant to which this Schedule is

December 7, 2021 8-K

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers

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): December 6, 2021 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

November 10, 2021 8-K

Financial Statements and Exhibits, Other Events

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): November 10, 2021 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

November 10, 2021 EX-99.1

Mueller Industries, Inc. Declares Cash Dividend for Fourth Quarter

Mueller Industries, Inc. Declares Cash Dividend for Fourth Quarter COLLIERVILLE, Tenn., November 10, 2021 - Mueller Industries, Inc. (NYSE: MLI) announced today that its Board of Directors has declared a regular quarterly cash dividend on its common stock of 13 cents per share. The dividend will be payable December 17, 2021 to shareholders of record on December 3, 2021. Mueller Industries, Inc. (N

October 20, 2021 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly report ended September 25, 2021 OR ☐ TRANSITION REPORT PURSUANT TO

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. FORM 10-Q ? QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly report ended September 25, 2021 OR ? TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission file number 1-6770 MUELLER INDUSTRIES INC. (E

October 19, 2021 EX-99.1

Mueller Industries, Inc. Reports Third Quarter 2021 Earnings

Mueller Industries, Inc. Reports Third Quarter 2021 Earnings COLLIERVILLE, Tenn., October 19, 2021 - Mueller Industries, Inc. (NYSE: MLI) announces results for the third quarter of 2021. (All comparisons are to the prior year quarter.) ?$233.4 million in operating income versus $69.2 million ?$171.0 million in net income versus $42.7 million ?$982.2 million in net sales versus $619.1 million ?EPS

October 19, 2021 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

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): October 19, 2021 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

October 7, 2021 SC 13D/A

MLI / Mueller Industries, Inc. / GAMCO INVESTORS, INC. ET AL Activist Investment

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13D Under the Securities Exchange Act of 1934 (Amendment No. 8) Mueller Industries, Inc. (Name of Issuer) Common Stock (Title of Class of Securities) 624756102 (CUSIP Number) David Goldman GAMCO Investors, Inc. One Corporate Center Rye, New York 10580-1435 (914) 921-5000 (Name, Address and Telephone Number of Person Authorized to R

July 29, 2021 8-K

Financial Statements and Exhibits, Other Events

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): July 29, 2021 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

July 29, 2021 EX-99.1

Mueller Industries, Inc. Declares Cash Dividend for Third Quarter

Mueller Industries, Inc. Declares Cash Dividend for Third Quarter COLLIERVILLE, Tenn., July 29, 2021 - Mueller Industries, Inc. (NYSE: MLI) announced today that its Board of Directors has declared a regular quarterly cash dividend on its common stock of 13 cents per share. The dividend will be payable September 17, 2021 to shareholders of record on September 3, 2021. Mueller Industries, Inc. (NYSE

July 21, 2021 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly report ended June 26, 2021 OR ☐ TRANSITION REPORT PURSUANT TO SECT

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. FORM 10-Q ? QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly report ended June 26, 2021 OR ? TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission file number 1-6770 MUELLER INDUSTRIES INC. (Exact

July 20, 2021 EX-99.1

Mueller Industries, Inc. Reports Second Quarter 2021 Earnings

Mueller Industries, Inc. Reports Second Quarter 2021 Earnings COLLIERVILLE, Tenn., July 20, 2021 - Mueller Industries, Inc. (NYSE: MLI) announces 2021 second quarter results. (All comparisons are to the prior year quarter.) •Operating income of $157.8 million versus $52.3 million •Net income of $108.8 million versus $28.0 million •Net sales of $1.01 billion versus $500.2 million •EPS of $1.92 vers

July 20, 2021 8-K

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): July 20, 2021 MUELLER INDUSTRIES

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): July 20, 2021 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

May 27, 2021 EX-1.01

Conflict Minerals Disclosure for the year ended December 31, 2020

Exhibit 1.01 Mueller Industries, Inc. Conflict Minerals Disclosure For The Year Ended December 31, 2020 1.Overview This report has been prepared by Mueller Industries, Inc. pursuant to Rule 13p-1 (the Rule) promulgated under the Securities Exchange Act of 1934 (the 1934 Act), as amended. As used in this report, the terms "Company," "Mueller," "we," "us," or "our" mean Mueller Industries, Inc. and

May 27, 2021 SD

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM SD Specialized Disclosure Report MUELLER INDUSTRIES, INC. (Exact name of registrant as specified in its charter) Delaware 1-6770 25-0790410 (State or other (Commission File

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM SD Specialized Disclosure Report MUELLER INDUSTRIES, INC. (Exact name of registrant as specified in its charter) Delaware 1-6770 25-0790410 (State or other (Commission File (IRS Employer jurisdiction of Number) Identification No.) incorporation) 150 Schilling Boulevard, Suite 100 Collierville, TN 38017 (Address of princip

May 10, 2021 EX-99.1

Mueller Industries, Inc. Declares Cash Dividend for Second Quarter

Exhibit 99.1 Mueller Industries, Inc. Declares Cash Dividend for Second Quarter COLLIERVILLE, Tenn., May 7, 2021 - Mueller Industries, Inc. (NYSE: MLI) announced today that its Board of Directors has declared a regular quarterly cash dividend on its common stock of 13 cents per share. The dividend will be payable June 18, 2021 to shareholders of record on June 4, 2021. Mueller Industries, Inc. (NY

May 10, 2021 8-K

Financial Statements and Exhibits, Other Events, Submission of Matters to a Vote of Security Holders

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 6, 2021 MUELLER INDUSTRIES, INC. (Exact name of registrant as specified in its charter) Delaware 1-6770 25-0790410 (State or other (Commission File (IRS Employer jurisdiction of N

April 21, 2021 10-Q

Quarterly Report - 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. FORM 10-Q ? QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly report ended March 27, 2021 OR ? TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission file number 1-6770 MUELLER INDUSTRIES INC. (Exact

April 20, 2021 EX-99.1

Mueller Industries, Inc. Reports First Quarter 2021 Earnings

Mueller Industries, Inc. Reports First Quarter 2021 Earnings COLLIERVILLE, Tenn., April 20, 2021 - Mueller Industries, Inc. (NYSE: MLI) announces 2021 first quarter results. (All comparisons are to the prior year quarter.) •Operating income of $92.5 million versus $59.3 million •Net income of $63.1 million versus $32.4 million •Net sales of $818.1 million versus $602.9 million •EPS of $1.11 versus

April 20, 2021 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

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): April 20, 2021 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

April 5, 2021 8-K

Entry into a Material Definitive Agreement, Financial Statements and Exhibits, Creation of a Direct Financial Obligation or an Obligation under an Off-Balance Sheet Arrangement of a Registrant

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): March 31, 2021 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

April 5, 2021 EX-99.1

EXECUTION VERSION 140456630_14 CUSIP (Facility): 62475MAJ6 CUSIP (Revolving Commitment): 62475MAK3 CUSIP (Term Loan Commitment): 62475MAL1 CREDIT AGREEMENT Dated as of March 31, 2021 among MUELLER INDUSTRIES, INC., as Borrower, BANK OF AMERICA, N.A.,

EXECUTION VERSION 14045663014 CUSIP (Facility): 62475MAJ6 CUSIP (Revolving Commitment): 62475MAK3 CUSIP (Term Loan Commitment): 62475MAL1 CREDIT AGREEMENT Dated as of March 31, 2021 among MUELLER INDUSTRIES, INC.

April 1, 2021 DEF 14A

- MUELLER INDUSTRIES INC - DEF 14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 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 Prox

March 10, 2021 SC 13G/A

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Schedule 13G Under the Securities Exchange Act of 1934 (Amendment No.: 11)*

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Schedule 13G Under the Securities Exchange Act of 1934 (Amendment No.: 11)* Name of issuer: Mueller Industries Inc. Title of Class of Securities: Common Stock CUSIP Number: 624756102 Date of Event Which Requires Filing of this Statement: February 26, 2021 Check the appropriate box to designate the rule pursuant to which this Schedule is fil

February 24, 2021 EX-4.4

Description of securities

EX-4.4 2 q42020exhibit44.htm EX-4.4 Exhibit 4.4 DESCRIPTION OF THE REGISTRANT’S SECURITIES REGISTERED PURSUANT TO SECTION 12 OF THE SECURITIES EXCHANGE ACT OF 1934 As of February 19, 2021, Mueller Industries, Inc. had one class of securities registered under Section 12 of the Securities Exchange Act of 1934, as amended: Common Stock, $0.01 par value per share (the “Common Stock”). The following su

February 24, 2021 EX-21

Subsidiaries of

Exhibit 21.0 MUELLER INDUSTRIES, INC. List of Subsidiaries State or Country Subsidiary* of Incorporation Shoals Tubular, Inc. Alabama ATCO Rubber Products, Inc. Michigan Mueller Brass Holding Company, Inc. Delaware Mueller Brass Co. (Assumed name: Mueller Brass Products) Michigan Extruded Metals, Inc. Delaware Mueller Advanced Connections, LLC Delaware Mueller Industrial Realty Co. Michigan Itawam

February 24, 2021 10-K

Annual Report - 10-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K ? ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 26, 2020 OR ? TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission file number 1-6770 MUELLER INDUSTRIES, INC. (Exa

February 24, 2021 EX-10.8

the Registrant’s 2021 incentive plan for certain key employees.

Exhibit 10.8 2021 INCENTIVE PLAN FOR CERTAIN KEY EMPLOYEES The Company has a discretionary annual incentive program under which exempt salaried employees may earn cash payments based on a percentage of base annual salary. The actual percent is based on a variety of guidelines including performance levels of the respective business units primarily measured by operating income subject to certain adj

February 22, 2021 8-K

Financial Statements and Exhibits, Other Events

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): February 22, 2021 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

February 22, 2021 EX-99.1

Mueller Industries, Inc. Announces 30 Percent Increase in Quarterly Cash Dividend and Authorization to Redeem the 2027 Subordinated Debentures

Mueller Industries, Inc. Announces 30 Percent Increase in Quarterly Cash Dividend and Authorization to Redeem the 2027 Subordinated Debentures COLLIERVILLE, Tenn., February 22, 2021 - Mueller Industries, Inc. (NYSE: MLI) announced today that its Board of Directors has declared a regular quarterly cash dividend on its common stock of 13 cents per share. The dividend will be payable April 2, 2021, t

February 12, 2021 SC 13G/A

SCHEDULE 13G SIGNATURE

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. 2) MUELLER INDS INC (Name of Issuer) COM (Title of Class of Securities) 624756102 (CUSIP Number) December 31, 2020 (Date of Event Which Requires Filing of this Statement) Check the appropriate box to designate the rule pursuant to which this Schedule is file

February 10, 2021 SC 13G/A

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Schedule 13G Under the Securities Exchange Act of 1934 (Amendment No.: 10)*

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Schedule 13G Under the Securities Exchange Act of 1934 (Amendment No.: 10)* Name of issuer: Mueller Industries Inc. Title of Class of Securities: Common Stock CUSIP Number: 624756102 Date of Event Which Requires Filing of this Statement: December 31, 2020 Check the appropriate box to designate the rule pursuant to which this Schedule is fil

February 4, 2021 SC 13G/A

SCHEDULE 13G

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. 8 )* Mueller Industries, Inc. (Name of Issuer) Common Stock (Title of Class of Securities) 624756102 (CUSIP Number) December 31, 2020 (Date of Event Which Requires Filing of this Statement) Check the appropriate box to designate the rule pursuant to which th

February 3, 2021 EX-99

Mueller Industries, Inc. Reports Fiscal 2020 Fourth Quarter and Full Year Results

Mueller Industries, Inc. Reports Fiscal 2020 Fourth Quarter and Full Year Results COLLIERVILLE, Tenn., February 2, 2021 - Mueller Industries, Inc. (NYSE: MLI) today reported 2020 fourth quarter and full year results. Fourth Quarter: •Operating income of $65.0 million versus $44.4 million •Net sales of $675.9 million versus $543.8 million •Net income of $36.4 million versus $28.2 million •EPS of $0

February 3, 2021 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

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): February 2, 2021 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

November 6, 2020 EX-99.1

Mueller Industries, Inc. Declares Cash Dividend for Fourth Quarter

Mueller Industries, Inc. Declares Cash Dividend for Fourth Quarter COLLIERVILLE, Tenn., November 6, 2020 - Mueller Industries, Inc. (NYSE: MLI) announced today that its Board of Directors has declared a regular quarterly cash dividend on its common stock of 10 cents per share. The dividend will be payable December 18, 2020, to shareholders of record on December 4, 2020. Mueller Industries, Inc. is

November 6, 2020 8-K

Financial Statements and Exhibits, Other Events - 8-K

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): November 6, 2020 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

October 21, 2020 10-Q

Quarterly Report - 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended September 26, 2020 Commission file number 1-6770 MUELLER INDUSTRIES INC. (Exact name of registrant as specified in its charter) Delaware 25-0790410 (State or other jurisdiction of incorporation or organi

October 20, 2020 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition - 8-K

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): October 20, 2020 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

October 20, 2020 EX-99.1

Mueller Industries, Inc. Reports Third Quarter 2020 Earnings

Mueller Industries, Inc. Reports Third Quarter 2020 Earnings COLLIERVILLE, Tenn., October 20, 2020 - Mueller Industries, Inc. (NYSE: MLI) announced third quarter operating income of $69.2 million, compared with $46.3 million for the prior year period. Net income for the period was $42.7 million, or 76 cents per diluted share, compared to net income of $29.1 million, or 52 cents per diluted share i

August 25, 2020 SC 13D/A

MLI / Mueller Industries, Inc. / GAMCO INVESTORS, INC. ET AL Activist Investment

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13D Under the Securities Exchange Act of 1934 (Amendment No. 7) Mueller Industries, Inc. (Name of Issuer) Common Stock (Title of Class of Securities) 624756102 (CUSIP Number) David Goldman GAMCO Investors, Inc. One Corporate Center Rye, New York 10580-1435 (914) 921-5000 (Name, Address and Telephone Number of Person Authorized to R

August 6, 2020 8-K

Other Events

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): August 3, 2020 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

July 31, 2020 8-K

Financial Statements and Exhibits, Other Events

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): July 31, 2020 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

July 31, 2020 EX-99.1

Mueller Industries, Inc. Declares Cash Dividend for Third Quarter

Mueller Industries, Inc. Declares Cash Dividend for Third Quarter COLLIERVILLE, Tenn., July 31, 2020 - Mueller Industries, Inc. (NYSE: MLI) announced today that its Board of Directors has declared a regular quarterly cash dividend on its common stock of 10 cents per share. The dividend will be payable September 18, 2020, to shareholders of record on September 4, 2020. Mueller Industries, Inc. is a

July 22, 2020 10-Q

Quarterly Report - 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended June 27, 2020 Commission file number 1-6770 MUELLER INDUSTRIES INC. (Exact name of registrant as specified in its charter) Delaware 25-0790410 (State or other jurisdiction of incorporation or organizatio

July 21, 2020 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

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): July 21, 2020 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

July 21, 2020 EX-99.1

Mueller Industries, Inc. Reports Second Quarter 2020 Earnings

Mueller Industries, Inc. Reports Second Quarter 2020 Earnings COLLIERVILLE, Tenn., July 21, 2020 - Mueller Industries, Inc. (NYSE: MLI) announced second quarter operating income of $52.3 million, compared with $51.5 million for the prior year period. Net income for the second quarter was $28.0 million, or 50 cents per diluted share, the same as reported for 2019. Net sales were $500.2 million, com

May 27, 2020 SD

- SD

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM SD Specialized Disclosure Report MUELLER INDUSTRIES, INC. (Exact name of registrant as specified in its charter) Delaware 1-6770 25-0790410 (State or other (Commission File (IRS Employer jurisdiction of Number) Identification No.) incorporation) 150 Schilling Boulevard, Suite 100 Collierville, TN 38017 (Address of princip

May 27, 2020 EX-1.01

Conflict Minerals Disclosure for the year ended December 31, 2019

Exhibit 1.01 Mueller Industries, Inc. Conflict Minerals Disclosure For The Year Ended December 31, 2019 1. Overview This report has been prepared by Mueller Industries, Inc. pursuant to Rule 13p-1 (the Rule) promulgated under the Securities Exchange Act of 1934 (the 1934 Act), as amended. As used in this report, the terms "Company," "Mueller," "we," "us," or "our" mean Mueller Industries, Inc. and

May 8, 2020 EX-99.1

Mueller Industries, Inc. Declares Cash Dividend for Second Quarter

Mueller Industries, Inc. Declares Cash Dividend for Second Quarter COLLIERVILLE, Tenn., May 7, 2020 - Mueller Industries, Inc. (NYSE: MLI) announced today that its Board of Directors has declared a regular quarterly cash dividend on its common stock of 10 cents per share. The dividend will be payable June 19, 2020, to shareholders of record on June 5, 2020. Mueller Industries, Inc. is an industria

May 8, 2020 8-K

Financial Statements and Exhibits, Other Events, Submission of Matters to a Vote of Security Holders

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, 2020 MUELLER INDUSTRIES, INC. (Exact name of registrant as specified in its charter) Delaware 1-6770 25-0790410 (State or other (Commission File (IRS Employer jurisdiction of N

April 22, 2020 10-Q

Quarterly Report - 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended March 28, 2020 Commission file number 1-6770 MUELLER INDUSTRIES INC. (Exact name of registrant as specified in its charter) Delaware 25-0790410 (State or other jurisdiction of incorporation or organizati

April 21, 2020 EX-99

Mueller Industries, Inc. Reports First Quarter 2020 Earnings

Mueller Industries, Inc. Reports First Quarter 2020 Earnings COLLIERVILLE, Tenn., April 21, 2020 - Mueller Industries, Inc. (NYSE: MLI) announces first quarter 2020 earnings results. Operating income for the first quarter was $59.3 million versus $49.2 million for the prior year period. Net income for the first quarter was $32.4 million, or 57 cents per diluted share, on $602.9 million in net sale

April 21, 2020 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

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): April 21, 2020 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

April 2, 2020 DEF 14A

MLI / Mueller Industries, Inc. DEF 14A - - MUELLER INDUSTRIES INC - DEF 14A

MUELLER INDUSTRIES, INC. RESULTS AT A GLANCE SUMMARY OF OPERATIONS 2019 2018 2017 2016 2015 (Dollars in thousands except per share data) ($) ($) ($) ($) ($) Net Sales 2,430,616 2,507,878 2,266,073 2,055,622 2,100,002 Operating income 191,403 172,969 150,807 154,401 138,704 Net income 100,972 104,459 85,598 99,727 87,864 Diluted earnings per share 1.79 1.82 1.49 1.74 1.54 Dividends per share 0.40 0

February 26, 2020 EX-21

Subsidiaries of the Registrant.

Exhibit 21.0 MUELLER INDUSTRIES, INC. List of Subsidiaries State or Country Subsidiary* of Incorporation ATCO Rubber Products, Inc. Michigan Mueller Brass Holding Company, Inc. Delaware Mueller Brass Co. (Assumed name: Mueller Brass Products) Michigan Extruded Metals, Inc. Delaware Mueller Industrial Realty Co. Michigan Itawamba Industrial Gas Company, Inc. Mississippi Streamline Copper & Brass Lt

February 26, 2020 EX-10.17

Amendment No. 1 to Credit Agreement among the Registrant (as borrower), Bank of America, N.A. (as agent), and certain

AMENDMENT NO. 1 TO CREDIT AGREEMENT This AMENDMENT NO. 1 TO CREDIT AGREEMENT (this “Amendment”) dated as of April 22, 2019 is entered into by and among MUELLER INDUSTRIES, INC., a Delaware corporation (the “Borrower”), BANK OF AMERICA, N.A., in its capacity as administrative agent for the Lenders (as defined in the Credit Agreement described below) (in such capacity, the “Administrative Agent”) an

February 26, 2020 EX-10.7

Summary description of the Registrant’s 2020 incentive plan for certain key employees.

Exhibit 10.8 2020 INCENTIVE PLAN FOR CERTAIN KEY EMPLOYEES The Company has a discretionary annual incentive program under which exempt salaried employees may earn cash payments based on a percentage of base annual salary. The actual percent is based on a variety of guidelines including performance levels of the respective business units primarily measured by operating income subject to certain adj

February 26, 2020 EX-4.4

Description of securities

Exhibit 4.4 DESCRIPTION OF THE REGISTRANT’S SECURITIES REGISTERED PURSUANT TO SECTION 12 OF THE SECURITIES EXCHANGE ACT OF 1934 As of February 21, 2020, Mueller Industries, Inc. had one class of securities registered under Section 12 of the Securities Exchange Act of 1934, as amended: Common Stock, $0.01 par value per share (the “Common Stock”). The following summary describes our Common Stock and

February 26, 2020 10-K

Annual Report - 10-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 28, 2019 Commission file number 1-6770 MUELLER INDUSTRIES, INC. (Exact name of registrant as specified in its charter) Delaware 25-0790410 (State or other jurisdiction of incorporation or organiza

February 21, 2020 EX-99

Mueller Industries, Inc. Declares Cash Dividend for First Quarter

Mueller Industries, Inc. Declares Cash Dividend for First Quarter COLLIERVILLE, Tenn., February 21, 2020 - Mueller Industries, Inc. (NYSE: MLI) announced today that its Board of Directors has declared a regular quarterly cash dividend on its common stock of 10 cents per share. The dividend will be payable April 3, 2020 to shareholders of record on March 20, 2020. Mueller Industries, Inc. is an ind

February 21, 2020 8-K

Financial Statements and Exhibits, Other Events

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): February 21, 2020 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

February 14, 2020 8-K

Other Events

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): February 12, 2020 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

February 12, 2020 SC 13G/A

MLI / Mueller Industries, Inc. / VANGUARD GROUP INC - SCHEDULE 13G/A Passive Investment

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Schedule 13G Under the Securities Exchange Act of 1934 (Amendment No.: 9)* Name of issuer: Mueller Industries Inc Title of Class of Securities: Common Stock CUSIP Number: 624756102 Date of Event Which Requires Filing of this Statement: December 31, 2019 Check the appropriate box to designate the rule pursuant to which this Schedule is filed

February 5, 2020 EX-99.1

Mueller Industries, Inc. Reports Fourth Quarter and Fiscal 2019 Earnings

Mueller Industries, Inc. Reports Fourth Quarter and Fiscal 2019 Earnings Collierville, Tenn., February 4, 2020 - Mueller Industries, Inc. (NYSE: MLI) announced today operating income for the fourth quarter of $44.4 million, compared with $40.0 million in the same quarter of 2018. Net income for the quarter was $28.2 million, or 50 cents per diluted share, on net sales of $543.8 million, compared w

February 5, 2020 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

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): February 4, 2020 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

February 4, 2020 SC 13G

MLI / Mueller Industries, Inc. / WELLS FARGO & COMPANY/MN Passive Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. 1) MUELLER INDS INC (Name of Issuer) COM (Title of Class of Securities) 624756102 (CUSIP Number) December 31, 2019 (Date of Event Which Requires Filing of this Statement) Check the appropriate box to designate the rule pursuant to which this Schedule is file

January 28, 2020 SC 13G/A

MLI / Mueller Industries, Inc. / Wellington Management Group LLP - SEC SCHEDULE 13G Passive Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. 7 )* Mueller Industries, Inc. (Name of Issuer) Common Stock (Title of Class of Securities) 624756102 (CUSIP Number) December 31, 2019 (Date of Event Which Requires Filing of this Statement) Check the appropriate box to designate the rule pursuant to which th

November 12, 2019 8-K

Financial Statements and Exhibits, Other Events

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): November 8, 2019 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

November 12, 2019 EX-99

Mueller Industries, Inc. Declares Cash Dividend for Fourth Quarter

Mueller Industries, Inc. Declares Cash Dividend for Fourth Quarter COLLIERVILLE, Tenn., November 8, 2019 - Mueller Industries, Inc. (NYSE: MLI) announced today that its Board of Directors has declared a regular quarterly cash dividend on its common stock of 10 cents per share. The dividend will be payable December 20, 2019 to shareholders of record on December 6, 2019. Mueller Industries, Inc. is

October 23, 2019 10-Q

Quarterly Report - 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended September 28, 2019 Commission file number 1-6770 MUELLER INDUSTRIES INC. (Exact name of registrant as specified in its charter) Delaware 25-0790410 (State or other jurisdiction of incorporation or organi

October 22, 2019 EX-99

Mueller Industries, Inc. Reports Third Quarter 2019 Earnings

Mueller Industries, Inc. Reports Third Quarter 2019 Earnings COLLIERVILLE, Tenn., October 22, 2019 - Mueller Industries, Inc. (NYSE: MLI) announced today third quarter operating income of $46.3 million versus $33.7 million reported in the same quarter of 2018. Net income was $29.1 million, or 52 cents per diluted share, on $608.6 million in net sales, compared with net income of $20.3 million, or

October 22, 2019 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

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): October 22, 2019 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

August 2, 2019 8-K

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers, Financial Statements and Exhibits, Other Events

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): July 31, 2019 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

August 2, 2019 EX-99

Mueller Industries, Inc. Declares Cash Dividend for Third Quarter

Mueller Industries, Inc. Declares Cash Dividend for Third Quarter COLLIERVILLE, Tenn., August 2, 2019 - Mueller Industries, Inc. (NYSE: MLI) announced today that its Board of Directors has declared a regular quarterly cash dividend on its common stock of 10 cents per share. The dividend will be payable September 20, 2019 to shareholders of record on September 6, 2019. Mueller Industries, Inc. is a

July 29, 2019 S-8

MLI / Mueller Industries, Inc. S-8 - - FORM S-8

As filed with the Securities and Exchange Commission on July 29, 2019 Registration No.

July 24, 2019 10-Q

Quarterly Report - 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended 6/29/2019 Commission file number 1-6770 MUELLER INDUSTRIES INC. (Exact name of registrant as specified in its charter) Delaware 25-0790410 (State or other jurisdiction of incorporation or organization) (

July 23, 2019 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

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): July 23, 2019 MUELLER INDUSTRIES, INC. (Exact name of registrant as specified in its charter) Delaware 1-6770 25-0790410 (State or other (Commission File (IRS Employer jurisdiction of

July 23, 2019 EX-99

Mueller Industries, Inc. Reports Second Quarter 2019 Earnings

Mueller Industries, Inc. Reports Second Quarter 2019 Earnings COLLIERVILLE, Tenn., July 23, 2019 - Mueller Industries, Inc. (NYSE: MLI) announced today second quarter operating income of $51.5 million, compared with $51.9 million in the same quarter of 2018. Net income was $28.0 million, or 50 cents per diluted share, on $666.4 million in net sales, compared with net income of $33.2 million, or 58

May 30, 2019 EX-1.01

Conflict Minerals Disclosure for the year ended December 31, 2018

Exhibit 1.01 Mueller Industries, Inc. Conflict Minerals Disclosure For The Year Ended December 31, 2018 1. Overview This report has been prepared by Mueller Industries, Inc. pursuant to Rule 13p-1 (the Rule) promulgated under the Securities Exchange Act of 1934 (the 1934 Act), as amended. As used in this report, the terms "Company," "Mueller," "we," "us," or "our" mean Mueller Industries, Inc. and

May 30, 2019 SD

MLI / Mueller Industries, Inc. SD - - SD

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM SD Specialized Disclosure Report MUELLER INDUSTRIES, INC. (Exact name of registrant as specified in its charter) Delaware 1-6770 25-0790410 (State or other (Commission File (IRS Employer jurisdiction of Number) Identification No.) incorporation) 150 Schilling Boulevard, Suite 100 Collierville, TN 38017 (Address of princip

May 3, 2019 8-K

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers, Financial Statements and Exhibits, Other Events, Submission of Matters to a Vote of Security Holders

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 2, 2019 MUELLER INDUSTRIES, INC. (Exact name of registrant as specified in its charter) Delaware 1-6770 25-0790410 (State or other (Commission File (IRS Employer jurisdiction of N

May 3, 2019 EX-99.1

Mueller Industries, Inc. Declares Cash Dividend for Second Quarter

Exhibit 99.1 Mueller Industries, Inc. Declares Cash Dividend for Second Quarter COLLIERVILLE, Tenn., May 3, 2019 - Mueller Industries, Inc. (NYSE: MLI) announced today that its Board of Directors has declared a regular quarterly cash dividend on its common stock of 10 cents per share. The dividend will be payable June 21, 2019 to shareholders of record on June 7, 2019. Mueller Industries, Inc. is

April 24, 2019 10-Q

Quarterly Report - 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. FORM 10-Q QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended March 30, 2019 Commission file number 1–6770 MUELLER INDUSTRIES, INC. (Exact name of registrant as specified in its charter) Delaware 25-0790410 (State or other jurisdiction of incorporation or organizatio

April 23, 2019 EX-99

Mueller Industries, Inc. Reports First Quarter 2019 Earnings

Mueller Industries, Inc. Reports First Quarter 2019 Earnings COLLIERVILLE, Tenn., April 23, 2019 - Mueller Industries, Inc. (NYSE: MLI) announced today first quarter operating income of $49.2 million, compared with $47.4 million in the same quarter of 2018. Due to losses on the Company's equity investments in unconsolidated affiliates and an increase in its effective tax rate, the Company reported

April 23, 2019 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

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): April 23, 2019 MUELLER INDUSTRIES, INC. (Exact name of registrant as specified in its charter) Delaware 1-6770 25-0790410 (State or other (Commission File (IRS Employer jurisdiction o

March 28, 2019 8-K

Regulation FD Disclosure

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): March 28, 2019 MUELLER INDUSTRIES, INC. (Exact name of registrant as specified in its charter) Delaware 1-6770 25-0790410 (State or other (Commission File (IRS Employer jurisdiction o

March 28, 2019 EX-99

1

To Our Stakeholders: Six years ago, we embarked on a strategic growth plan, which focused on three key priorities: 1) Invest to be the low cost producer of our core product lines; 2) Expand into downstream value added products; and 3) Plant seeds for future products and markets In 2018, the closing year of that plan, Mueller Industries earned $173.

March 28, 2019 DEF 14A

2019 Incentive Plan (incorporated by reference to Annex 1 to the Company’s definitive proxy statement filed with the SEC on March 28, 2019).

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. ) Filed by the Registrant [X] 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

February 27, 2019 10-K

MLI / Mueller Industries, Inc. 10-K (Annual Report)

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 29, 2018 Commission file number 1–6770 MUELLER INDUSTRIES, INC. (Exact name of registrant as specified in its charter) Delaware 25-0790410 (State or other jurisdiction of incorporation or organizati

February 27, 2019 EX-10.7

Summary description of the Registrant’s 2019 incentive plan for certain key employees.

Exhibit 10.7 2019 INCENTIVE PLAN FOR CERTAIN KEY EMPLOYEES The Company has a discretionary annual incentive program under which exempt salaried employees may earn cash payments based on a percentage of base annual salary. The actual percent is based on a variety of guidelines including performance levels of the respective business units primarily measured by operating income subject to certain adj

February 27, 2019 EX-21

Subsidiaries of the Registrant.

Exhibit 21.0 MUELLER INDUSTRIES, INC. List of Subsidiaries State or Country Subsidiary* of Incorporation ATCO Rubber Products, Inc. Michigan Mueller Brass Holding Company, Inc. Delaware Mueller Brass Co. (Assumed name: Mueller Brass Products) Michigan Extruded Metals, Inc. Delaware Mueller Industrial Realty Co. Michigan Itawamba Industrial Gas Company, Inc. Mississippi Streamline Copper & Brass Lt

February 25, 2019 EX-99

Mueller Industries, Inc. Declares Cash Dividend for First Quarter

Mueller Industries, Inc. Declares Cash Dividend for First Quarter MEMPHIS, Tenn., February 25, 2019 - Mueller Industries, Inc. (NYSE: MLI) announced today that its Board of Directors has declared a regular quarterly cash dividend on its common stock of 10 cents per share. The dividend will be payable March 29, 2019 to shareholders of record on March 15, 2019. Mueller Industries, Inc. is an industr

February 25, 2019 8-K

Financial Statements and Exhibits, Other Events

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): February 25, 2019 MUELLER INDUSTRIES, INC. (Exact name of registrant as specified in its charter) Delaware 1-6770 25-0790410 (State or other (Commission File (IRS Employer jurisdictio

February 12, 2019 SC 13G/A

MLI / Mueller Industries, Inc. / Wellington Management Group LLP - SEC SCHEDULE 13G Passive Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. 6 )* Mueller Industries, Inc. (Name of Issuer) Common Stock (Title of Class of Securities) 624756102 (CUSIP Number) December 31, 2018 (Date of Event Which Requires Filing of this Statement) Check the appropriate box to designate the rule pursuant to which th

February 11, 2019 SC 13G/A

MLI / Mueller Industries, Inc. / VANGUARD GROUP INC Passive Investment

muellerindustriesinc.htm - Generated by SEC Publisher for SEC Filing SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Schedule 13G Under the Securities Exchange Act of 1934 (Amendment No.: 8 )* Name of issuer: Mueller Industries Inc Title of Class of Securities: Common Stock CUSIP Number: 624756102 Date of Event Which Requires Filing of this Statement: January 31, 2019 Check the appropria

February 8, 2019 SC 13G/A

MLI / Mueller Industries, Inc. / VANGUARD GROUP INC Passive Investment

muellerindustriesinc.htm - Generated by SEC Publisher for SEC Filing SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Schedule 13G Under the Securities Exchange Act of 1934 (Amendment No.: 7 )* Name of issuer: Mueller Industries Inc Title of Class of Securities: Common Stock CUSIP Number: 624756102 Date of Event Which Requires Filing of this Statement: December 31, 2018 Check the appropri

February 5, 2019 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

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): February 5, 2019 MUELLER INDUSTRIES, INC. (Exact name of registrant as specified in its charter) Delaware 1-6770 25-0790410 (State or other (Commission File (IRS Employer jurisdiction

February 5, 2019 EX-99

Mueller Industries, Inc. Reports Fourth Quarter and Fiscal 2018 Earnings

Mueller Industries, Inc. Reports Fourth Quarter and Fiscal 2018 Earnings Collierville, Tenn., February 5, 2019 - Mueller Industries, Inc. (NYSE: MLI) announced today operating income for the fourth quarter of $40.0 million, compared with $21.1 million in the same quarter of 2017. Net income for the quarter was $26.9 million, or 47 cents per diluted share, on net sales of $559.1 million, compared w

January 22, 2019 SC 13G

MLI / Mueller Industries, Inc. / WELLS FARGO & COMPANY/MN Passive Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. ) MUELLER INDS INC (Name of Issuer) COM (Title of Class of Securities) 624756102 (CUSIP Number) December 31, 2018 (Date of Event Which Requires Filing of this Statement) Check the appropriate box to designate the rule pursuant to which this Schedule is filed

November 21, 2018 8-K

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers

8-K 1 donovanannouncement-8k.htm 8-K 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): November 21, 2018 MUELLER INDUSTRIES, INC. (Exact name of registrant as specified in its charter) Delaware 1-6770 25-0790410 (State or other (Comm

November 9, 2018 EX-99

Mueller Industries, Inc. Declares Cash Dividend for Fourth Quarter

Mueller Industries, Inc. Declares Cash Dividend for Fourth Quarter MEMPHIS, Tenn., November 9, 2018 - Mueller Industries, Inc. (NYSE: MLI) announced today that its Board of Directors has declared a regular quarterly cash dividend on its common stock of 10 cents per share. The dividend will be payable December 21, 2018 to shareholders of record on December 7, 2018. Mueller Industries, Inc. is an in

November 9, 2018 8-K

Financial Statements and Exhibits, Other Events

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): November 9, 2018 MUELLER INDUSTRIES, INC. (Exact name of registrant as specified in its charter) Delaware 1-6770 25-0790410 (State or other (Commission File (IRS Employer jurisdiction

October 24, 2018 10-Q

MLI / Mueller Industries, Inc. 10-Q (Quarterly Report)

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. FORM 10-Q QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended September 29, 2018 Commission file number 1–6770 MUELLER INDUSTRIES, INC. (Exact name of registrant as specified in its charter) Delaware 25-0790410 (State or other jurisdiction (I.R.S. Employer of incorpo

October 24, 2018 EX-10.2

Amendment No. 1 to Stock Purchase Agreement, dated as of August 24, 2018, by and among ATCO Rubber Products, Inc., the Company, the Original Sellers named therein, the Representative named therein, and the Corrected Sellers named therein.

EX-10.2 2 q32018exhibit102.htm EXHIBIT 10.2 EXECUTION VERSION AMENDMENT NO. 1 TO STOCK PURCHASE AGREEMENT This Amendment No. 1 (this “Amendment”) to that certain Stock Purchase Agreement, dated as of July 2, 2018 (the “Purchase Agreement”), by and among Atco Rubber Products, Inc., a Michigan Corporation (the “Company”), Mueller Industries, Inc., a Delaware corporation (the “Purchaser”), the Seller

October 23, 2018 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

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): October 23, 2018 MUELLER INDUSTRIES, INC. (Exact name of registrant as specified in its charter) Delaware 1-6770 25-0790410 (State or other (Commission File (IRS Employer jurisdiction

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