{"schema_version":"secwatch.filing_event.v1","accession":"0001104659-25-063617","form_type":"8-K","ticker":"SBXD","cik":"0002015947","company_name":"SilverBox Corp IV","filed_at":"2025-06-27T23:59:59+00:00","discovered_at":"2026-05-14T18:02:50.688396+00:00","generated_at":"2026-05-18T16:54:19.914949+00:00","sec_items":["5.02"],"event_type":"leadership","sentiment":"neutral","materiality_score":0.35,"calibrated_materiality_score":0.35,"confidence":"high","headline":"SilverBox Corp IV director Matthew Eilers resigns; Glenn Marino appointed to board","bullets":["Eilers resigned effective June 25, 2025, to avoid appearance of conflict due to new role at an investment bank.","Glenn Marino, age 68, appointed to board effective June 25, 2025; also joins Audit, Compensation, and Nominating committees.","Marino brings over 30 years consumer finance experience; former EVP at Synchrony and CEO of GE Sales Finance.","Marino qualifies as audit committee financial expert; entered standard indemnity agreement and IPO letter agreement.","No familial relationships or related party transactions between Marino and the company."],"urls":{"canonical":"https://secwatch.observer/filing/0001104659-25-063617","json":"https://secwatch.observer/filing/0001104659-25-063617.json","markdown":"https://secwatch.observer/filing/0001104659-25-063617.md","text":"https://secwatch.observer/filing/0001104659-25-063617.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/2015947/000110465925063617/0001104659-25-063617-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/2015947/000110465925063617/tm2518994d1_8k.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-05-18T16:54:19.914949+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"}