{"schema_version":"secwatch.filing_event.v1","accession":"0001739445-25-000122","form_type":"8-K","ticker":"ACA","cik":"0001739445","company_name":"Arcosa, Inc.","filed_at":"2025-09-12T23:59:59+00:00","discovered_at":"2026-05-14T18:02:44.848343+00:00","generated_at":"2026-05-17T06:45:17.333542+00:00","sec_items":["7.01","9.01"],"event_type":"other_material","sentiment":"neutral","materiality_score":0.05,"calibrated_materiality_score":0.05,"confidence":"low","headline":"Arcosa updates investor presentation; no financial details in exhibit excerpt","bullets":["Filed updated investor presentation dated September 2025 under Item 7.01 Regulation FD.","Exhibit 99.1 provided is only a title slide; no specific financial data or guidance included.","Presentation made available on www.arcosa.com; content not reproduced in the filing.","No material changes or new business disclosures identified from the limited exhibit text."],"urls":{"canonical":"https://secwatch.observer/filing/0001739445-25-000122","json":"https://secwatch.observer/filing/0001739445-25-000122.json","markdown":"https://secwatch.observer/filing/0001739445-25-000122.md","text":"https://secwatch.observer/filing/0001739445-25-000122.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1739445/000173944525000122/0001739445-25-000122-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1739445/000173944525000122/aca-20250912.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-05-17T06:45:17.333542+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"}