{"schema_version":"secwatch.filing_event.v1","accession":"0001213900-25-084538","form_type":"8-K","ticker":"MBVI","cik":"0002073928","company_name":"M3-Brigade Acquisition VI Corp.","filed_at":"2025-09-04T23:59:59+00:00","discovered_at":"2026-05-14T18:02:45.946095+00:00","generated_at":"2026-05-17T08:22:58.357703+00:00","sec_items":["8.01","9.01"],"event_type":"other_material","sentiment":"neutral","materiality_score":0.55,"calibrated_materiality_score":0.55,"confidence":"high","headline":"M3-Brigade Acquisition VI closes $345M IPO and $8M private placement","bullets":["IPO of 34.5M units at $10.00/unit, gross proceeds $345M, including full over-allotment.","Private placement of 5,333,333 warrants at $1.50/warrant, gross proceeds $8M.","Net proceeds of $345M placed in trust account held by Continental Stock Transfer.","No business combination target selected; company has 24 months to complete deal.","Audited balance sheet as of Aug 28, 2025 filed as Exhibit 99.1."],"urls":{"canonical":"https://secwatch.observer/filing/0001213900-25-084538","json":"https://secwatch.observer/filing/0001213900-25-084538.json","markdown":"https://secwatch.observer/filing/0001213900-25-084538.md","text":"https://secwatch.observer/filing/0001213900-25-084538.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/2073928/000121390025084538/0001213900-25-084538-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/2073928/000121390025084538/ea0255547-8k_m3brigade6.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-05-17T08:22:58.357703+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"}