{"schema_version":"secwatch.filing_event.v1","accession":"0001709682-24-000067","form_type":"8-K","ticker":"CTOS","cik":"0001709682","company_name":"Custom Truck One Source, Inc.","filed_at":"2024-08-20T23:59:59+00:00","discovered_at":"2026-05-14T18:03:14.204098+00:00","generated_at":"2026-05-31T08:28:45.208826+00:00","sec_items":["5.02"],"event_type":"leadership","sentiment":"neutral","materiality_score":0.25,"calibrated_materiality_score":0.25,"confidence":"high","headline":"Director Rahman D'Argenio resigns from Custom Truck One Source board; no replacement designated","bullets":["Rahman D'Argenio resigned from Board and Compensation Committee effective Aug 16, 2024; not due to any disagreement.","Energy Capital Partners, which nominated D'Argenio, does not intend to designate a replacement but retains right to do so.","Board reduced size from 11 to 10 members upon D'Argenio's departure."],"urls":{"canonical":"https://secwatch.observer/filing/0001709682-24-000067","json":"https://secwatch.observer/filing/0001709682-24-000067.json","markdown":"https://secwatch.observer/filing/0001709682-24-000067.md","text":"https://secwatch.observer/filing/0001709682-24-000067.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1709682/000170968224000067/0001709682-24-000067-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1709682/000170968224000067/ctos-20240815.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-05-31T08:28:45.208826+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":"53464eeba0","claim":"Rahman D'Argenio resigned as Director at Custom Truck One Source, Inc..","evidence_excerpt":"Rahman D’Argenio informed Custom Truck One Source, Inc. (the “Company”) of his decision to resign as a member of the Board of Directors (the “Board”) of the Company and the Compensation Committee of the Board, effective August 16, 2024.","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/1709682/000170968224000067/0001709682-24-000067-index.htm","confidence":0.95,"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"}