{"schema_version":"secwatch.filing_event.v1","accession":"0001628280-26-036817","form_type":"8-K","ticker":"FSS","cik":"0000277509","company_name":"FEDERAL SIGNAL CORP /DE/","filed_at":"2026-05-20T18:15:02+00:00","discovered_at":"2026-05-20T18:16:00.232568+00:00","generated_at":"2026-05-20T18:16:33.507330+00:00","sec_items":["7.01","9.01"],"event_type":"other","sentiment":"neutral","materiality_score":0.1,"calibrated_materiality_score":0.1,"confidence":"low","headline":"Federal Signal posts investor presentation on website; no material new information","bullets":["Presentation dated May 2026 posted to company website for investor discussions.","No specific financial results, guidance, or material events disclosed in filing.","Presentation includes unaudited information; full content not provided in filing text.","Filing is routine Regulation FD disclosure; no change in business outlook."],"urls":{"canonical":"https://secwatch.observer/filing/0001628280-26-036817","json":"https://secwatch.observer/filing/0001628280-26-036817.json","markdown":"https://secwatch.observer/filing/0001628280-26-036817.md","text":"https://secwatch.observer/filing/0001628280-26-036817.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/277509/000162828026036817/0001628280-26-036817-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/277509/000162828026036817/fss-20260520.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-05-20T18:16:33.507330+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"}