{"schema_version":"secwatch.filing_event.v1","accession":"0001213900-26-067149","form_type":"8-K","ticker":"MLAC","cik":"0002029492","company_name":"Mountain Lake Acquisition Corp.","filed_at":"2026-06-10T14:32:49+00:00","discovered_at":"2026-06-10T14:34:00.312380+00:00","generated_at":"2026-06-10T14:34:12.267852+00:00","sec_items":["8.01","9.01"],"event_type":"other_material","sentiment":"neutral","materiality_score":0.35,"calibrated_materiality_score":0.35,"confidence":"high","headline":"Mountain Lake postpones Special Meeting to June 16 to complete Avalanche Treasury combination","bullets":["Special Meeting postponed from June 12 to June 16, 2026; shareholders to vote on extending combination deadline to Sept 16.","Business combination with Avalanche Treasury Corp. approved by shareholders on June 4, 2026, but not yet closed.","No change to record date, redemption deadline, or location; meeting at Ellenoff Grossman & Schole LLP in NYC.","Company expects combination to close promptly after satisfying or waiving all conditions."],"urls":{"canonical":"https://secwatch.observer/filing/0001213900-26-067149","json":"https://secwatch.observer/filing/0001213900-26-067149.json","markdown":"https://secwatch.observer/filing/0001213900-26-067149.md","text":"https://secwatch.observer/filing/0001213900-26-067149.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/2029492/000121390026067149/0001213900-26-067149-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/2029492/000121390026067149/ea0294270-8k_mountain.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-10T14:34:12.267852+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"}