{"schema_version":"secwatch.filing_event.v1","accession":"0001350593-23-000054","form_type":"8-K","ticker":"MWA","cik":"0001350593","company_name":"Mueller Water Products, Inc.","filed_at":"2023-11-29T23:59:59+00:00","discovered_at":"2026-05-14T18:03:28.726182+00:00","generated_at":"2026-06-07T20:14:22.804774+00:00","sec_items":["8.01"],"event_type":"cyber","sentiment":"negative","materiality_score":0.75,"calibrated_materiality_score":0.75,"confidence":"high","headline":"Mueller Water Products reports ransomware attack, delays 10-K filing to Dec 14","bullets":["Unauthorized access and ransomware deployed on internal systems; incident now contained.","Disruptions to business applications limited order-taking and shipping; facilities now operational.","Annual Report on Form 10-K for FY ended Sept 30, 2023 will be delayed; expects filing by Dec 14, 2023.","Separate minor incident involved an end-of-life system already being replaced.","Investigation and remediation ongoing, including analysis of accessed or exfiltrated data."],"urls":{"canonical":"https://secwatch.observer/filing/0001350593-23-000054","json":"https://secwatch.observer/filing/0001350593-23-000054.json","markdown":"https://secwatch.observer/filing/0001350593-23-000054.md","text":"https://secwatch.observer/filing/0001350593-23-000054.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1350593/000135059323000054/0001350593-23-000054-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1350593/000135059323000054/mwa-20231129.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-07T20:14:22.804774+00:00"},"review":{"review_status":"machine_generated","human_reviewed":false,"corrected":false,"correction_note":null,"correction_timestamp":null,"superseded_by":null,"related_filings":[]},"source_grounded_claims":[],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}