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MUELLER INDUSTRIES INC — Investor Relations & Filings

Ticker · MLI ISIN · US6247561029 LEI · 5493005IZFE4VJLLYG84 US Manufacturing
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Filings indexed 1,566 across all filing types
Latest filing 2026-06-02 Share Issue/Capital Cha…
Country US United States of America
Listing US MLI

About MUELLER INDUSTRIES INC

https://www.muellerindustries.com/

Mueller Industries, Inc. is an industrial manufacturer specializing in copper and copper alloy products, as well as goods made from aluminum, steel, and plastics. The company operates through three principal business segments: Piping Systems, Climate Products, and Industrial Metals. The Piping Systems division provides a wide array of tubing, fittings, and valves for plumbing and HVACR-related piping systems. The Climate Products division produces components for refrigeration and air conditioning, such as heat exchangers, valves, and manifolds. The Industrial Metals segment supplies copper, brass, and aluminum rods, forgings, and extrusions as raw materials and precision components for OEM applications in markets including building construction, appliance, defense, energy, and automotive.

Recent filings

Filing Released Lang Actions
8-K
Share Issue/Capital Change Classification · 90% confidence The document is a Form 8-K “Current Report” under the Securities Exchange Act, describing a two-for-one forward stock split effected via an amendment to the company’s charter, with details on effective dates and trading adjustments. This is clearly a capital change (stock split) announcement, matching the “Share Issue/Capital Change” category.
2026-06-02 English
SD
Regulatory Filings Classification · 85% confidence The document is an SEC Form SD (“Specialized Disclosure Report”) for conflict minerals under Rule 13p-1. It does not contain actual financial statements nor is it an earnings release, proxy, or ESG report per se, but rather a regulatory compliance filing. No specific category for Form SD exists in the taxonomy, so it falls into the fallback “Regulatory Filings” category (RNS).
2026-05-28 English
8-K - MUELLER INDUSTRIES INC (0000089439) (Filer)
Declaration of Voting Results & Voting Rights Announcements Classification · 90% confidence The document is a Form 8-K current report filed under the Securities Exchange Act, and its primary content (Item 5.07) details the results of shareholder voting at the Annual Meeting. This matches the definition of a "Declaration of Voting Results & Voting Rights Announcements" (Code: DVA).
2026-05-11 English
Major Shareholding Notification 2026
Major Shareholding Notification
2026-04-30 English
10-Q - MUELLER INDUSTRIES INC (0000089439) (Filer)
Interim / Quarterly Report Q1 2026
2026-04-22 English
8-K - MUELLER INDUSTRIES INC (0000089439) (Filer)
Earnings Release Classification · 95% confidence The document is a Form 8-K filed with the SEC, dated April 21, 2026, reporting the issuance of a press release announcing earnings for the quarter ended March 28, 2026. The text explicitly states that the press release announcing the first quarter 2026 earnings is attached as Exhibit 99.1. The document itself does not contain detailed financial statements or substantive financial data but rather announces the earnings release. The length of the document is 3061 characters, which is relatively short and consistent with an announcement rather than a full report. According to the rules, such a document announcing earnings results without detailed financial data is classified as an Earnings Release (ER).
2026-04-21 English

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