{"filing":{"accession_number":"0001104659-26-106101","cik":"0002092446","ticker":"AVAT","company_name":"Avalanche Treasury Corp","form":"8-K","filing_date":"2026-09-09","report_date":"2026-09-08","primary_document":"tm2625032d1_8k.htm","primary_document_url":"https://www.sec.gov/Archives/edgar/data/2092446/000110465926106101/tm2625032d1_8k.htm"},"events":[{"id":32155,"run_id":29537,"accession_number":"0001104659-26-106101","anchor_item_number":"5.02","event_type":"exec_appointment","event_domain":"governance","is_material":true,"confidence":0.92,"summary":"The disclosure centers on the appointment of Ms. Virginia Gambale to the Board of Directors and the Audit Committee, effective September 8, 2026, along with the Board's resolution to expand from three to four directors. While the section also mentions Mr. Smith's resignation from the Audit Committee and director services agreements for both Ms. Gambale and Mr. Grinberg, the principal disclosed action is the appointment of a new director and committee member. This is material as it affects board composition and governance structure.","company_name":"Avalanche Treasury Corp","ticker":"AVAT","filing_date":"2026-09-09","form":"8-K","submitted_at":null,"items":[{"id":35263,"accession_number":"0001104659-26-106101","item_number":"5.02","item_title":"Departure of Directors or Certain Officers; Election","event_type":"exec_appointment","event_domain":"governance","is_material":true,"confidence":0.92,"reasoning":"The disclosure centers on the appointment of Ms. Virginia Gambale to the Board of Directors and the Audit Committee, effective September 8, 2026, along with the Board's resolution to expand from three to four directors. While the section also mentions Mr. Smith's resignation from the Audit Committee and director services agreements for both Ms. Gambale and Mr. Grinberg, the principal disclosed action is the appointment of a new director and committee member. This is material as it affects board composition and governance structure.","classifier_version":"claude-haiku-4-5-20251001+prompt-a85dd512","taxonomy_version":"v1.3","classified_at":"2026-09-09T10:33:37.270224+00:00","company_name":"","ticker":null,"filing_date":""}]}],"classifications":[{"id":35263,"accession_number":"0001104659-26-106101","item_number":"5.02","item_title":"Departure of Directors or Certain Officers; Election","event_type":"exec_appointment","event_domain":"governance","is_material":true,"confidence":0.92,"reasoning":"The disclosure centers on the appointment of Ms. Virginia Gambale to the Board of Directors and the Audit Committee, effective September 8, 2026, along with the Board's resolution to expand from three to four directors. While the section also mentions Mr. Smith's resignation from the Audit Committee and director services agreements for both Ms. Gambale and Mr. Grinberg, the principal disclosed action is the appointment of a new director and committee member. This is material as it affects board composition and governance structure.","classifier_version":"claude-haiku-4-5-20251001+prompt-a85dd512","taxonomy_version":"v1.3","classified_at":"2026-09-09T10:33:37.270224+00:00","company_name":"Avalanche Treasury Corp","ticker":"AVAT","filing_date":"2026-09-09"}]}