[8-K] MUELLER INDUSTRIES INC Reports Material Event
Filing Impact
Filing Sentiment
Form Type
8-K
Rhea-AI Filing Summary
Mueller Industries, Inc. has implemented a two-for-one forward stock split of its common stock. The split was effected through an amendment to its Restated Certificate of Incorporation, which also increased authorized common shares from 250,000,000 to 500,000,000.
The amendment became effective at 4:01 p.m. Eastern Time on June 29, 2026, and trading in Mueller Industries common stock on the NYSE is expected to begin on a split-adjusted basis at market open on July 1, 2026.
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Insights
Mueller Industries executes 2-for-1 split and doubles authorized shares.
Mueller Industries approved a two-for-one forward stock split, pairing it with an increase in authorized common shares from 250,000,000 to 500,000,000. This changes the share count framework but does not alter the company’s overall equity value by itself.
The amendment to the Restated Certificate of Incorporation became effective at 4:01 p.m. Eastern Time on June 29, 2026, with NYSE trading expected to begin on a split-adjusted basis on July 1, 2026. Subsequent disclosures may clarify how the larger authorized pool is used.
8-K Event Classification
2 items: 5.03, 9.01
2 items
Item 5.03
Amendments to Articles of Incorporation or Bylaws; Change in Fiscal Year
Governance
The company amended its charter documents, bylaws, or changed its fiscal year.
Item 9.01
Financial Statements and Exhibits
Exhibits
Financial statements, pro forma financial information, and exhibit attachments filed with this 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
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Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions (see General Instruction A.2. below):
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Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter).
Emerging growth company ☐
If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new of revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐
| Item 5.03 | Amendments to Articles of Incorporation or Bylaws; Change in Fiscal Year. | ||||
On June 1, 2026, Mueller Industries, Inc. (the “Company”) announced a two-for-one forward stock split (the “Stock Split”) of the Company’s issued common stock, to be effected through the filing of an amendment to the Company’s Restated Certificate of Incorporation (the “Amendment”) with the Secretary of State of the State of Delaware. On June 29, 2026, the Company filed the Amendment to effect the Stock Split and proportionately increase the number of shares of the Company’s authorized common stock from 250,000,000 shares to 500,000,000 shares. The Amendment, which became effective at 4:01 p.m. Eastern Time on June 29, 2026, is filed as Exhibit 3.1 to this Current Report on Form 8-K. Trading is expected to commence on a split-adjusted basis at market open on July 1, 2026.
| Item 9.01 | Financial Statements and Exhibits. | ||||
(d) Exhibits
| 3.1 | Certificate of Amendment for Mueller Industries, Inc., effective as of June 29, 2026 | ||||
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SIGNATURES
Pursuant to the requirements of the Securities Exchange Act of 1934, as amended, the Registrant has duly caused this Report to be signed on its behalf by the undersigned hereunto duly authorized.
| MUELLER INDUSTRIES, INC. | |||||||||||
| By: | /s/ CHRISTOPHER J. MIRITELLO | ||||||||||
| Name: | Christopher J. Miritello | ||||||||||
| Title: | Executive Vice President - General Counsel & Secretary | ||||||||||
| Date: July 1, 2026 | |||||||||||
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FAQ
What stock split did Mueller Industries (MLI) announce?
Mueller Industries approved a two-for-one forward stock split of its issued common stock. Each existing share will effectively become two shares, changing the share count but not, by itself, the company’s overall equity value. The action is implemented via a charter amendment.
When does Mueller Industries’ (MLI) stock split become effective?
The stock split became effective at 4:01 p.m. Eastern Time on June 29, 2026. This timing reflects the effectiveness of the amendment to Mueller Industries’ Restated Certificate of Incorporation filed with the Delaware Secretary of State to implement the split.
When will Mueller Industries (MLI) begin trading on a split-adjusted basis?
Mueller Industries expects its common stock to begin trading on a split-adjusted basis at market open on July 1, 2026. From that date, exchange quotations should reflect the two-for-one split in the number of shares outstanding and per-share price.
How did Mueller Industries (MLI) change its authorized common stock?
In connection with the stock split, Mueller Industries increased its authorized common stock from 250,000,000 shares to 500,000,000 shares. This higher authorized share count provides the company with a larger pool of potential shares under its charter for future corporate purposes.
What legal step did Mueller Industries (MLI) take to enact the stock split?
Mueller Industries filed an amendment to its Restated Certificate of Incorporation with the Delaware Secretary of State. This amendment both effected the two-for-one forward stock split and increased the number of authorized common shares, becoming effective on June 29, 2026.