{"schema_version":"secwatch.filing_event.v1","accession":"0001213900-26-067813","form_type":"8-K","ticker":"MLAC","cik":"0002029492","company_name":"Mountain Lake Acquisition Corp.","filed_at":"2026-06-11T20:01:37+00:00","discovered_at":"2026-06-11T20:03:00.673620+00:00","generated_at":"2026-06-11T20:03:56.336593+00:00","sec_items":["8.01","9.01"],"event_type":"m_and_a","sentiment":"neutral","materiality_score":0.75,"calibrated_materiality_score":0.75,"confidence":"high","headline":"Mountain Lake Acquisition Corp. closes business combination with Avalanche Treasury; shares to trade on Nasdaq as AVAT","bullets":["Business combination with Avalanche Treasury Corporation closed on June 11, 2026.","Shareholders approved the transaction on June 4, 2026; all closing conditions satisfied.","Combined company's Class A common stock begins trading on Nasdaq June 11 under ticker 'AVAT'.","Ellenoff Grossman & Schole, Forbes Hare, Skadden, Appleby, and BTIG served as advisors."],"urls":{"canonical":"https://secwatch.observer/filing/0001213900-26-067813","json":"https://secwatch.observer/filing/0001213900-26-067813.json","markdown":"https://secwatch.observer/filing/0001213900-26-067813.md","text":"https://secwatch.observer/filing/0001213900-26-067813.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/2029492/000121390026067813/0001213900-26-067813-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/2029492/000121390026067813/ea0294447-8k_mountain.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-11T20:03:56.336593+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"}