{"schema_version":"secwatch.filing_event.v1","accession":"0001104659-25-026122","form_type":"8-K","ticker":"FIX","cik":"0001035983","company_name":"COMFORT SYSTEMS USA INC","filed_at":"2025-03-20T23:59:59+00:00","discovered_at":"2026-05-14T18:03:02.759071+00:00","generated_at":"2026-05-24T09:39:24.356958+00:00","sec_items":["5.02"],"event_type":"leadership","sentiment":"neutral","materiality_score":0.2,"calibrated_materiality_score":0.2,"confidence":"high","headline":"Comfort Systems board member Vance W. Tang to retire effective May 16, 2025","bullets":["Vance W. Tang notified board of his resignation due to retirement.","Resignation from Board and all committees effective May 16, 2025.","No replacement announced; Tang's departure appears planned."],"urls":{"canonical":"https://secwatch.observer/filing/0001104659-25-026122","json":"https://secwatch.observer/filing/0001104659-25-026122.json","markdown":"https://secwatch.observer/filing/0001104659-25-026122.md","text":"https://secwatch.observer/filing/0001104659-25-026122.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1035983/000110465925026122/0001104659-25-026122-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1035983/000110465925026122/tm259894d1_8k.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-05-24T09:39:24.356958+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":"5d4950ace2","claim":"Vance W. Tang resigned as Director at COMFORT SYSTEMS USA INC.","evidence_excerpt":"On March 19, 2025, Mr. Vance W. Tang notified the Board of Directors (the “Board”) of Comfort Systems USA, Inc. (the “Company”) that, in connection with his retirement from the Board, he would resign from the Board and all committees thereof, effective May 16, 2025.","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/1035983/000110465925026122/0001104659-25-026122-index.htm","confidence":1.0,"family_label":"Executive change","details":[{"label":"Action","value":"resigned"},{"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"}