--- schema_version: "secwatch.filing_event.v1" accession: "0001104659-26-075150" form_type: "8-K" ticker: "AVAT" cik: "0002092446" company_name: "Avalanche Treasury Corp" filed_at: "2026-06-17T20:15:15+00:00" generated_at: "2026-06-17T20:23:34.843545+00:00" event_type: "m_and_a" sentiment: "neutral" materiality_score: 1.0 calibrated_materiality_score: 1.0 confidence: "high" source: SEC EDGAR --- # Avalanche Treasury completes SPAC merger with Mountain Lake Acquisition; begins trading as AVAT on Nasdaq ## Summary - 22,846,470 MLAC shares redeemed at ~$10.62 each, leaving ~$1.63M in trust after redemptions. - Post-closing: 37,914,826 Pubco Class A shares and 5,805,639 Class B shares outstanding. - Company unit investors purchased ~$216M in units; Dragonfly contributed ~$58M in AVAX; Foundation sold $200M AVAX for 3M shares. - Astral receives 4M shares (2M escrowed earnout shares vesting at $13, $15, $17 milestones). - Lock-up on ~10.6M Class A and 5.8M Class B shares for 180 days; early release if VWAP ≥ $12.50 for 20 days. ## SEC filing metadata - accession: 0001104659-26-075150 - form_type: 8-K - ticker: AVAT - cik: 0002092446 - company_name: Avalanche Treasury Corp - filed_at: 2026-06-17T20:15:15+00:00 - event_type: m_and_a - sentiment: neutral - materiality_score: 1.0 - calibrated_materiality_score: 1.0 - confidence: high - sec_items: 1.01, 2.01, 5.02, 3.02, 9.01, 4.01, 3.03, 5.01, 5.03, 5.05, 5.06 - EDGAR index: https://www.sec.gov/Archives/edgar/data/2092446/000110465926075150/0001104659-26-075150-index.htm - EDGAR primary document: https://www.sec.gov/Archives/edgar/data/2092446/000110465926075150/tm2615904d7_8k.htm ## Machine-readable alternates - HTML: https://secwatch.observer/filing/0001104659-26-075150 - JSON: https://secwatch.observer/filing/0001104659-26-075150.json - Plain text: https://secwatch.observer/filing/0001104659-26-075150.txt ## Key facts - Executive change Paul Grinberg was appointed as Director at Avalanche Treasury Corp. - Action: appointed - Role: Director source text: the Pubco Board consisted of four directors, Paul Grinberg, Robert Hadick, Sarkees John Nahas and Gerald Bartholomew Smith evidence_url: https://www.sec.gov/Archives/edgar/data/2092446/000110465926075150/0001104659-26-075150-index.htm - Executive change Robert Hadick was appointed as Director at Avalanche Treasury Corp. - Action: appointed - Role: Director source text: the Pubco Board consisted of four directors, Paul Grinberg, Robert Hadick, Sarkees John Nahas and Gerald Bartholomew Smith evidence_url: https://www.sec.gov/Archives/edgar/data/2092446/000110465926075150/0001104659-26-075150-index.htm - Executive change Gerald Bartholomew Smith was appointed as Chief Executive Officer and President at Avalanche Treasury Corp. - Action: appointed - Role: Chief Executive Officer and President source text: the following individuals were appointed to serve as executive officers of Pubco: Name Position Gerald Bartholomew Smith Chief Executive Officer and President evidence_url: https://www.sec.gov/Archives/edgar/data/2092446/000110465926075150/0001104659-26-075150-index.htm - Executive change Sarkees John Nahas was appointed as Director at Avalanche Treasury Corp. - Action: appointed - Role: Director source text: the Pubco Board consisted of four directors, Paul Grinberg, Robert Hadick, Sarkees John Nahas and Gerald Bartholomew Smith evidence_url: https://www.sec.gov/Archives/edgar/data/2092446/000110465926075150/0001104659-26-075150-index.htm - Executive change Sean Ostrower was appointed as Chief Financial Officer at Avalanche Treasury Corp. - Action: appointed - Role: Chief Financial Officer source text: Sean Ostrower Chief Financial Officer evidence_url: https://www.sec.gov/Archives/edgar/data/2092446/000110465926075150/0001104659-26-075150-index.htm - Executive change Laine Mihalchick Moljo was appointed as Chief Operating Officer and Secretary at Avalanche Treasury Corp. - Action: appointed - Role: Chief Operating Officer and Secretary source text: Laine Mihalchick Moljo Chief Operating Officer and Secretary evidence_url: https://www.sec.gov/Archives/edgar/data/2092446/000110465926075150/0001104659-26-075150-index.htm - Governance Changes Avalanche Treasury Corp: Board adopted a Code of Ethics and Business Conduct (effective 2026-06-11). - Change: code of ethics - Effective: 2026-06-11 source text: On June 11, 2026, the Board adopted a Code of Ethics and Business Conduct applicable to Pubco’s employees, officers and directors. evidence_url: https://www.sec.gov/Archives/edgar/data/2092446/000110465926075150/0001104659-26-075150-index.htm - Governance Changes Avalanche Treasury Corp: First Amended and Restated Certificate of Incorporation filed with Delaware Secretary of State (effective 2026-06-11). - Change: charter amendment - Effective: 2026-06-11 source text: on June 11, 2026, Pubco filed the First Amended and Restated Certificate of Incorporation with the Delaware Secretary of State evidence_url: https://www.sec.gov/Archives/edgar/data/2092446/000110465926075150/0001104659-26-075150-index.htm - Governance Changes Avalanche Treasury Corp: MLAC ceased to be a shell company upon the Closing of the Business Combination. - Change: shell status source text: As a result of the Business Combination, MLAC ceased to be a shell company upon the Closing. evidence_url: https://www.sec.gov/Archives/edgar/data/2092446/000110465926075150/0001104659-26-075150-index.htm - Governance Changes Avalanche Treasury Corp: First Amended and Restated Bylaws adopted (effective 2026-06-11). - Change: bylaw amendment - Effective: 2026-06-11 source text: and also adopted the First Amended and Restated Bylaws evidence_url: https://www.sec.gov/Archives/edgar/data/2092446/000110465926075150/0001104659-26-075150-index.htm - M&A Transactions Avalanche Treasury Corp underwent a change of control involving Mountain Lake Acquisition Corp, Avalanche Treasury Company LLC for stock consideration including Pubco Class A common stock and Pubco Class B common stock, with additional earnout shares (closed 2026-06-11). - Action: change of control - Counterparty: Mountain Lake Acquisition Corp, Avalanche Treasury Company LLC - Consideration: stock consideration including Pubco Class A common stock and Pubco Class B common stock, with additional earnout shares - Closing: 2026-06-11 source text: On June 11, 2026 (the “ Closing Date ”), Pubco consummated its previously announced business combination (the “ Closing ”) pursuant to that certain Business Combination Agreement, dated October 1, 2025 (as amended, modified, supplemented modified and/or restated from time to time, the “ Business Combination Agreement ”), by and among Pubco, Mountain Lake Acquisition Corp., at that time a Cayman Islands exempted company (“ MLAC ”), Avalanche SPAC Merger Sub LLC, a Delaware limited liability company (“ MLAC Merger Sub ”), Avalanche Company Merger Sub LLC, a Delaware limited liability company (“ Company Merger Sub ”, and together with MLAC Merger Sub, the “ Pubco Subsidiaries ”), Avalanche Treasury Company LLC, a Delaware limited liability company (the “ Company ” or “ AVAT ”), Dragonfly Digital Management, LLC, a Delaware limited liability company (“ Seller ”) , Dragonfly Ventures L.P., a Cayman Islands exempted limited partnership (“ DV ”), Dragonfly Ventures II, L.P., a Cayman Islands evidence_url: https://www.sec.gov/Archives/edgar/data/2092446/000110465926075150/0001104659-26-075150-index.htm This AI-assisted summary is a reading aid. Review the linked SEC EDGAR filing before relying on any specific claim.