{"schema_version":"secwatch.filing_event.v1","accession":"0001739445-24-000014","form_type":"8-K","ticker":"ACA","cik":"0001739445","company_name":"Arcosa, Inc.","filed_at":"2024-03-01T23:59:59+00:00","discovered_at":"2026-05-14T18:03:25.356659+00:00","generated_at":"2026-06-05T05:41:05.842520+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":"Arcosa director Ronald J. Gafford to retire at 2024 annual meeting, no disagreement","bullets":["Ronald J. Gafford notified Board he will not stand for re-election at 2024 Annual Meeting.","His Board service ends effective May 8, 2024, date of the Annual Meeting.","Decision to retire is not the result of any disagreement with the Board or Company.","Gafford will continue serving on Board and committees until term expiration.","Company expresses gratitude for his dedicated service."],"urls":{"canonical":"https://secwatch.observer/filing/0001739445-24-000014","json":"https://secwatch.observer/filing/0001739445-24-000014.json","markdown":"https://secwatch.observer/filing/0001739445-24-000014.md","text":"https://secwatch.observer/filing/0001739445-24-000014.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1739445/000173944524000014/0001739445-24-000014-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1739445/000173944524000014/aca-20240229.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-05T05:41:05.842520+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":"a953e78e28","claim":"Ronald J. Gafford departed as Director at Arcosa, Inc..","evidence_excerpt":"On February 29, 2024, Ronald J. Gafford notified the Board of Directors (the “Board”) of Arcosa, Inc. (the \"Company\") that he does not intend to stand for re-election at the Company’s 2024 Annual Meeting of Shareholders and will retire as a director and member of the Board.","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/1739445/000173944524000014/0001739445-24-000014-index.htm","confidence":0.95,"family_label":"Executive change","details":[{"label":"Action","value":"retire"},{"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"}