---
schema_version: "secwatch.filing_event.v1"
accession: "0001350593-23-000058"
form_type: "8-K"
ticker: "MWA"
cik: "0001350593"
company_name: "Mueller Water Products, Inc."
filed_at: "2023-12-13T23:59:59+00:00"
generated_at: "2026-06-07T13:21:32.765282+00:00"
event_type: "earnings"
sentiment: "negative"
materiality_score: 0.75
calibrated_materiality_score: 0.75
confidence: "high"
source: SEC EDGAR
---

# Mueller Water Products Q4 net sales $301.4M (-9.1% YoY); fiscal 2024 outlook sees further decline

## Summary
- Q4 net sales $301.4M (-9.1% YoY); adjusted EPS $0.19 vs $0.10 prior year; adjusted EBITDA margin 18.4%.
- Fiscal 2023 net sales $1,275.7M (+2.3% YoY); adjusted EPS $0.63 vs $0.58; free cash flow $61.4M.
- Fiscal 2024 net sales expected to decline 3-8%; Q1 guidance $245-255M; margins expected to improve H2.
- Cybersecurity incident (Oct 28) impacts still under evaluation; all facilities operational, but expects negative financial impact.
- Returned $48.1M to shareholders in FY2023 via dividends and share repurchases; no debt maturities until 2029.

## SEC filing metadata
- accession: 0001350593-23-000058
- form_type: 8-K
- ticker: MWA
- cik: 0001350593
- company_name: Mueller Water Products, Inc.
- filed_at: 2023-12-13T23:59:59+00:00
- event_type: earnings
- sentiment: negative
- materiality_score: 0.75
- calibrated_materiality_score: 0.75
- confidence: high
- sec_items: 2.02, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1350593/000135059323000058/0001350593-23-000058-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1350593/000135059323000058/mwa-20231213.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001350593-23-000058
- JSON: https://secwatch.observer/filing/0001350593-23-000058.json
- Plain text: https://secwatch.observer/filing/0001350593-23-000058.txt

## Key facts
- Earnings Releases
  Mueller Water Products, Inc. reported financial results for fourth quarter and fiscal year ended September 30, 2023.
  - Period: fourth quarter and fiscal year ended September 30, 2023
  - Result: reported results
  source text: On December 13, 2023, Mueller Water Products, Inc. announced its results of operations for the quarter ended September 30, 2023. A copy of the press release is attached as Exhibit 99.1.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1350593/000135059323000058/0001350593-23-000058-index.htm

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