{"filing":{"accession_number":"0001213900-26-067149","cik":"0002029492","ticker":"MLACU","company_name":"Mountain Lake Acquisition Corp.","form":"8-K","filing_date":"2026-06-10","report_date":null,"primary_document":"ea0294270-8k_mountain.htm","primary_document_url":"https://www.sec.gov/Archives/edgar/data/2029492/000121390026067149/ea0294270-8k_mountain.htm"},"events":[{"id":5694,"run_id":4987,"accession_number":"0001213900-26-067149","anchor_item_number":"8.01","event_type":"other_material","event_domain":"catchall","is_material":true,"confidence":0.75,"summary":"Mountain Lake Acquisition Corp. announced a postponement of its extraordinary general meeting from an unspecified earlier date to June 16, 2026, to allow additional time to complete its business combination with Avalanche Treasury Corporation. While the postponement itself is administrative, the underlying business combination approval and the extension of the deadline to consummate the transaction (from June 16 to September 16, 2026) are material to shareholders' assessment of the SPAC's ability to close its transaction. This does not fit neatly into ma_activity (which typically covers entry, completion, or termination of M\u0026A) since the business combination was already approved on June 4, 2026, and this disclosure concerns only a procedural postponement and timeline extension rather than a new M\u0026A event.","company_name":"Mountain Lake Acquisition Corp.","ticker":"MLACU","filing_date":"2026-06-10","form":"8-K","submitted_at":null,"items":[{"id":5776,"accession_number":"0001213900-26-067149","item_number":"8.01","item_title":"Other Events.","event_type":"other_material","event_domain":"catchall","is_material":true,"confidence":0.75,"reasoning":"Mountain Lake Acquisition Corp. announced a postponement of its extraordinary general meeting from an unspecified earlier date to June 16, 2026, to allow additional time to complete its business combination with Avalanche Treasury Corporation. While the postponement itself is administrative, the underlying business combination approval and the extension of the deadline to consummate the transaction (from June 16 to September 16, 2026) are material to shareholders' assessment of the SPAC's ability to close its transaction. This does not fit neatly into ma_activity (which typically covers entry, completion, or termination of M\u0026A) since the business combination was already approved on June 4, 2026, and this disclosure concerns only a procedural postponement and timeline extension rather than a new M\u0026A event.","classifier_version":"claude-haiku-4-5-20251001+prompt-9e0ffca5","taxonomy_version":"v1","classified_at":"2026-06-10T14:34:23.455741+00:00","company_name":"","ticker":null,"filing_date":""}]}],"classifications":[{"id":5776,"accession_number":"0001213900-26-067149","item_number":"8.01","item_title":"Other Events.","event_type":"other_material","event_domain":"catchall","is_material":true,"confidence":0.75,"reasoning":"Mountain Lake Acquisition Corp. announced a postponement of its extraordinary general meeting from an unspecified earlier date to June 16, 2026, to allow additional time to complete its business combination with Avalanche Treasury Corporation. While the postponement itself is administrative, the underlying business combination approval and the extension of the deadline to consummate the transaction (from June 16 to September 16, 2026) are material to shareholders' assessment of the SPAC's ability to close its transaction. This does not fit neatly into ma_activity (which typically covers entry, completion, or termination of M\u0026A) since the business combination was already approved on June 4, 2026, and this disclosure concerns only a procedural postponement and timeline extension rather than a new M\u0026A event.","classifier_version":"claude-haiku-4-5-20251001+prompt-9e0ffca5","taxonomy_version":"v1","classified_at":"2026-06-10T14:34:23.455741+00:00","company_name":"Mountain Lake Acquisition Corp.","ticker":"MLACU","filing_date":"2026-06-10"}]}