---
schema_version: "secwatch.filing_event.v1"
accession: "0000089439-23-000068"
form_type: "8-K"
ticker: "MLI"
cik: "0000089439"
company_name: "MUELLER INDUSTRIES INC"
filed_at: "2023-10-24T23:59:59+00:00"
generated_at: "2026-06-09T15:41:59.064741+00:00"
event_type: "earnings"
sentiment: "neutral"
materiality_score: 0.7
calibrated_materiality_score: 0.7
confidence: "high"
source: SEC EDGAR
---

# Mueller Q3 net income $132.7M ($1.17 EPS), sales $819.8M, down 13% YoY

## Summary
- Net sales $819.8M vs $944.8M in Q3 2022; operating income $181.0M vs $205.2M.
- Diluted EPS of $1.17 versus $1.37 in prior-year quarter, adjusted for Oct. 20 stock split.
- Cash and short-term investments $1.10B; net cash from operations $247.7M in Q3.
- Sold majority interest in PEX plastic piping business on July 3, 2023 (prior-year sales $11.2M).
- Board declared 2-for-1 stock split (100% stock dividend) distributed Oct. 20, 2023.

## SEC filing metadata
- accession: 0000089439-23-000068
- form_type: 8-K
- ticker: MLI
- cik: 0000089439
- company_name: MUELLER INDUSTRIES INC
- filed_at: 2023-10-24T23:59:59+00:00
- event_type: earnings
- sentiment: neutral
- materiality_score: 0.7
- calibrated_materiality_score: 0.7
- confidence: high
- sec_items: 2.02, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/89439/000008943923000068/0000089439-23-000068-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/89439/000008943923000068/mli-20231024.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0000089439-23-000068
- JSON: https://secwatch.observer/filing/0000089439-23-000068.json
- Plain text: https://secwatch.observer/filing/0000089439-23-000068.txt

## Key facts
- Earnings Releases
  MUELLER INDUSTRIES INC reported financial results for the third quarter of 2023.
  - Period: the third quarter of 2023
  - Result: reported results
  source text: On October 24, 2023, the Registrant issued a press release announcing earnings for the quarter ended September 30, 2023.
  evidence_url: https://www.sec.gov/Archives/edgar/data/89439/000008943923000068/0000089439-23-000068-index.htm

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