---
schema_version: "secwatch.filing_event.v1"
accession: "0000089439-23-000066"
form_type: "8-K"
ticker: "MLI"
cik: "0000089439"
company_name: "MUELLER INDUSTRIES INC"
filed_at: "2023-09-27T23:59:59+00:00"
generated_at: "2026-06-10T08:27:42.914155+00:00"
event_type: "other_material"
sentiment: "neutral"
materiality_score: 0.5
calibrated_materiality_score: 0.5
confidence: "high"
source: SEC EDGAR
---

# Mueller Industries shareholders approve share increase to 250M; board declares 2-for-1 stock split

## Summary
- Shareholders approved amendment to increase authorized common shares from 100M to 250M.
- Board declared two-for-one stock split as a 100% stock dividend.
- Record date October 6, 2023; distribution date October 20, 2023.
- Outstanding shares will rise to approximately 113.5M after the split.
- Vote result: 48,639,716 for, 3,478,111 against, 226,927 abstentions.

## SEC filing metadata
- accession: 0000089439-23-000066
- form_type: 8-K
- ticker: MLI
- cik: 0000089439
- company_name: MUELLER INDUSTRIES INC
- filed_at: 2023-09-27T23:59:59+00:00
- event_type: other_material
- sentiment: neutral
- materiality_score: 0.5
- calibrated_materiality_score: 0.5
- confidence: high
- sec_items: 5.03, 5.07, 8.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/89439/000008943923000066/0000089439-23-000066-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/89439/000008943923000066/mli-20230927.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0000089439-23-000066
- JSON: https://secwatch.observer/filing/0000089439-23-000066.json
- Plain text: https://secwatch.observer/filing/0000089439-23-000066.txt

## Key facts
- Governance Changes
  MUELLER INDUSTRIES INC: Increased total authorized common shares from 100,000,000 to 250,000,000 (effective 2023-09-26).
  - Change: charter amendment
  - Effective: 2023-09-26
  source text: On September 26, 2023 the shareholders of Mueller Industries, Inc. (the “Company”) approved an amendment to the Company’s Restated Certificate of Incorporation to increase the total number of its authorized shares of Common Stock from 100,000,000 shares to 250,000,000 shares.
  evidence_url: https://www.sec.gov/Archives/edgar/data/89439/000008943923000066/0000089439-23-000066-index.htm
- Shareholder Votes
  MUELLER INDUSTRIES INC shareholders approved Amendment to Restated Certificate of Incorporation to increase authorized shares of Common Stock from 100,000,000 to 250,000,000 at the 2023-09-26 meeting.
  - Proposal: charter amendment
  - Outcome: passed
  - Meeting: 2023-09-26
  source text: On September 26, 2023 the Registrant held a special meeting of shareholders to approve an amendment to the Company's Restated Certificate of Incorporation to increase the total number of its authorized shares of Common Stock from 100,000,000 shares to 250,000,000 shares. Set forth below is the final voting result of the meeting. For 48,639,716 Against 3,478,111 Abstentions 226,927
  evidence_url: https://www.sec.gov/Archives/edgar/data/89439/000008943923000066/0000089439-23-000066-index.htm

This AI-assisted summary is a reading aid. Review the linked SEC EDGAR filing before relying on any specific claim.