---
schema_version: "secwatch.filing_event.v1"
accession: "0001350593-23-000048"
form_type: "8-K"
ticker: "MWA"
cik: "0001350593"
company_name: "Mueller Water Products, Inc."
filed_at: "2023-11-03T23:59:59+00:00"
generated_at: "2026-06-08T22:11:00.748684+00:00"
event_type: "other_material"
sentiment: "neutral"
materiality_score: 0.7
calibrated_materiality_score: 0.7
confidence: "medium"
source: SEC EDGAR
---

# Mueller Water Products Provides Preliminary Fiscal 2023 Results, Delays Earnings Due to Cyber Incident

## Summary
- Preliminary net sales $1.26B-$1.275B, exceeding prior guidance of flat to down 2%.
- Preliminary adjusted EBITDA $197M-$203M, above the expected range of flat to down 5%.
- Returned $48M to shareholders in fiscal 2023 via dividends and $10M in Q4 stock repurchases.
- Total debt $447M, cash $160M, and total liquidity $322M as of Sept 30, 2023.
- Cybersecurity incident disrupted IT systems, postponing the formal Q4 and fiscal 2023 earnings release.

## SEC filing metadata
- accession: 0001350593-23-000048
- form_type: 8-K
- ticker: MWA
- cik: 0001350593
- company_name: Mueller Water Products, Inc.
- filed_at: 2023-11-03T23:59:59+00:00
- event_type: other_material
- sentiment: neutral
- materiality_score: 0.7
- calibrated_materiality_score: 0.7
- confidence: medium
- sec_items: 2.02, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1350593/000135059323000048/0001350593-23-000048-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1350593/000135059323000048/mwa-20231103.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001350593-23-000048
- JSON: https://secwatch.observer/filing/0001350593-23-000048.json
- Plain text: https://secwatch.observer/filing/0001350593-23-000048.txt

## Key facts
- Earnings Releases
  Mueller Water Products, Inc. reported the fiscal year ended September 30, 2023 results: revenue $1,260 million and $1,275 million.
  - Period: the fiscal year ended September 30, 2023
  - Revenue: $1,260 million and $1,275 million
  - Result: preliminary results
  source text: Report”). See “Note Regarding Preliminary Information” below. Selected Preliminary Financial Information for Fiscal 2023: • Consolidated net sales are anticipated to be between $1,260 million and $1,275 million (1.0 percent to 2.2 percent higher than the prior year), as compared with expectations for annual consolidated net sales to be between flat and down 2 percent
  evidence_url: https://www.sec.gov/Archives/edgar/data/1350593/000135059323000048/0001350593-23-000048-index.htm

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