{"schema_version":"secwatch.filing_event.v1","accession":"0000277509-23-000066","form_type":"8-K","ticker":"FSS","cik":"0000277509","company_name":"FEDERAL SIGNAL CORP /DE/","filed_at":"2023-11-21T23:59:59+00:00","discovered_at":"2026-05-14T18:03:31.596183+00:00","generated_at":"2026-06-07T22:56:05.731559+00:00","sec_items":["5.02","9.01"],"event_type":"leadership","sentiment":"neutral","materiality_score":0.35,"calibrated_materiality_score":0.35,"confidence":"high","headline":"Federal Signal appoints Katrina Helmkamp to Board of Directors","bullets":["Katrina L. Helmkamp appointed to Board effective Nov 20, 2023; Board size increased to eight.","She will serve on Audit Committee; receives $80k annual retainer plus $9k committee retainer and $125k equity award starting 2024.","Helmkamp is Non-Executive Chair of IDEX (NYSE: IEX), former CEO of Cartus, Lenox, SVP Worldwide, and Whirlpool executive."],"urls":{"canonical":"https://secwatch.observer/filing/0000277509-23-000066","json":"https://secwatch.observer/filing/0000277509-23-000066.json","markdown":"https://secwatch.observer/filing/0000277509-23-000066.md","text":"https://secwatch.observer/filing/0000277509-23-000066.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/277509/000027750923000066/0000277509-23-000066-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/277509/000027750923000066/fss-20231120.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-07T22:56:05.731559+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":[{"claim_id":"1f237c00fa","claim":"Katrina L. Helmkamp was appointed as Director at FEDERAL SIGNAL CORP /DE/.","evidence_excerpt":"On November 20, 2023, the Board of Directors (the “Board”) of Federal Signal Corporation (the “Company”) increased its size from seven to eight directors and, following the recommendation of the Nominating and Governance Committee of the Board, appointed Katrina L. Helmkamp to the Board, effective November 20, 2023.","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/277509/000027750923000066/0000277509-23-000066-index.htm","confidence":0.95,"family_label":"Executive change","details":[{"label":"Action","value":"appointed"},{"label":"Role","value":"Director"}],"fact_type":"executive_change"}],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}