---
schema_version: "secwatch.filing_event.v1"
accession: "0000089439-26-000025"
form_type: "8-K"
ticker: "MLI"
cik: "0000089439"
company_name: "MUELLER INDUSTRIES INC"
filed_at: "2026-06-02T14:47:05+00:00"
generated_at: "2026-06-02T14:48:09.190372+00:00"
event_type: "other_material"
sentiment: "neutral"
materiality_score: 0.5
calibrated_materiality_score: 0.5
confidence: "high"
source: SEC EDGAR
---

# Mueller Industries announces 2-for-1 stock split; record date June 25, 2026

## Summary
- Two-for-one forward stock split approved by Board; effective via charter amendment.
- Record date June 25, 2026; additional shares distributed after close June 30.
- Split-adjusted trading expected to begin at market open July 1, 2026.
- Outstanding shares expected to increase to ~221.1 million post-split.
- Authorized common stock proportionately increased to accommodate the split.

## SEC filing metadata
- accession: 0000089439-26-000025
- form_type: 8-K
- ticker: MLI
- cik: 0000089439
- company_name: MUELLER INDUSTRIES INC
- filed_at: 2026-06-02T14:47:05+00:00
- event_type: other_material
- sentiment: neutral
- materiality_score: 0.5
- calibrated_materiality_score: 0.5
- confidence: high
- sec_items: 8.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/89439/000008943926000025/0000089439-26-000025-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/89439/000008943926000025/mli-20260602.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0000089439-26-000025
- JSON: https://secwatch.observer/filing/0000089439-26-000025.json
- Plain text: https://secwatch.observer/filing/0000089439-26-000025.txt

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