{"schema_version":"secwatch.filing_event.v1","accession":"0001213900-25-090674","form_type":"8-K","ticker":"MBAV","cik":"0002016072","company_name":"M3-Brigade Acquisition V Corp.","filed_at":"2025-09-23T23:59:59+00:00","discovered_at":"2026-05-14T18:02:45.819126+00:00","generated_at":"2026-05-17T05:54:34.994426+00:00","sec_items":["8.01","9.01"],"event_type":"m_and_a","sentiment":"neutral","materiality_score":0.4,"calibrated_materiality_score":0.4,"confidence":"high","headline":"ReserveOne/M3-Brigade SPAC files draft S-4 for business combination; target listing under RONE","bullets":["Pubco confidentially submitted draft Form S-4 to SEC on September 23, 2025.","De-SPAC transaction with M3-Brigade Acquisition V Corp. announced July 8, 2025.","Upon closing, Pubco expected to list on Nasdaq under ticker 'RONE'.","Closing subject to SEC review, M3-Brigade shareholder approval, and customary conditions."],"urls":{"canonical":"https://secwatch.observer/filing/0001213900-25-090674","json":"https://secwatch.observer/filing/0001213900-25-090674.json","markdown":"https://secwatch.observer/filing/0001213900-25-090674.md","text":"https://secwatch.observer/filing/0001213900-25-090674.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/2016072/000121390025090674/0001213900-25-090674-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/2016072/000121390025090674/ea0258451-8k425_m3brigade5.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-05-17T05:54:34.994426+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"}