EFFECT
effective
SEC effectiveness notice
SEC declared the registration statement effective, allowing the offering to proceed.
First tracked pre-IPO filing for this issuer.
2026-05-14 · 9999999995-26-001647
424B3
priced
Final prospectus
Final prospectus filed near launch with final deal terms.
First tracked pre-IPO filing for this issuer.
Price $10.00 · 61,274,308 shares · Gross proceeds $216,000,000
Class A and Class B · Each Company Unit converts to one share of Pubco Class A Stock · Foundation may receive pre-funded warrants convertible into Pubco Class A Stock if ownership exceeds 4.7% · Use of proceeds To fund the business combination and related transactions, including the acquisition of AVAX tokens and contributions from Dragonfly · Flags cayman_holding_company, units, warrants · Underwriters self-underwritten
Avalanche Treasury Company, LLC's 424B3 filing outlines a business combination involving a private placement of Company Units at $10.00 per unit, conversion into Pubco Class A Stock, and a $200 million AVAX token sale. Key components include the Dragonfly Contribution of 1,960,040 AVAX for 5.8 million Company Units, a Foundation Transaction with a 60% discount on AVAX sales, and complex share distribution structures. The filing details voting rights, lock-up agreements, and post-combination ownership percentages, with Pubco stock expected to trade under 'AVAT' on Nasdaq.
2026-05-14 · 0001104659-26-061183
S-4/A
amended
S-4/A
Pre-IPO filing captured from the SEC submission timeline.
First tracked pre-IPO filing for this issuer.
61,274,308 shares
Class A and Class B Common Stock · Ticker AVAT · Use of proceeds To effect a business combination and related transactions · Flags cayman_holding_company, dual_class
Avalanche Treasury Corporation filed an S-4/A registration statement to register shares of Class A and Class B common stock in connection with a business combination involving Mountain Lake Acquisition Corp. (MLAC). The filing outlines the merger process, including MLAC's domestication into a Delaware corporation, the merger of MLAC with Pubco, and the conversion of MLAC shares into Pubco stock. It also details the issuance of additional shares to Astral Horizon LP for advisory services and updates to the Business Combination Agreement, including revised timelines for share issuances.
2026-05-08 · 0001104659-26-057839
S-4/A
amended
S-4/A
Pre-IPO filing captured from the SEC submission timeline.
First tracked pre-IPO filing for this issuer.
61,274,308 shares
Class A and Class B · Use of proceeds Merger and exchange of shares · Flags cayman_holding_company, self_underwritten
Avalanche Treasury Corporation filed an S-4/A registration statement to update disclosures related to its business combination with Mountain Lake Acquisition Corp. The filing includes amendments to the business combination agreement, detailing adjustments to share issuance terms for Astral Horizon, L.P., and updates to the structure of the merger transactions. The document outlines the proposed merger, share exchanges, and the conversion of company units into public stock, along with regulatory and operational milestones.
2026-04-28 · 0001104659-26-050472
S-4/A
amended
S-4/A
Pre-IPO filing captured from the SEC submission timeline.
First tracked pre-IPO filing for this issuer.
61,274,308 shares
Class A, Class B · Exchange NMS · Ticker AVAT · Use of proceeds Merger with Avalanche Treasury Corporation · Flags cayman_holding_company
Avalanche Treasury Corporation filed an S-4/A registration statement to amend its previous S-4 filing for a business combination with Mountain Lake Acquisition Corp. (MLAC). The update includes amendments to the business combination agreement, particularly related to the issuance of additional shares to Astral Horizon, L.P. for advisory services. The filing outlines the merger structure, shareholder redemption terms, and details about the conversion of MLAC shares into Pubco Class A stock. Key changes involve delays in share issuance to Astral and adjustments to the transaction timeline.
2026-04-14 · 0001104659-26-042901
S-4
filed
S-4
Pre-IPO filing captured from the SEC submission timeline.
First tracked pre-IPO filing for this issuer.
61,274,308 shares
Class A · Use of proceeds to facilitate the business combination and related transactions · Flags cayman_holding_company
Avalanche Treasury Corporation filed an S-4 registration statement for a business combination involving Mountain Lake Acquisition Corp. (MLAC), resulting in Pubco becoming a publicly traded company. The transaction includes mergers, share exchanges, and the issuance of Class A and Class B shares. Key components include the domestication of MLAC, mergers with Pubco subsidiaries, and the allocation of shares to shareholders, sellers, and related parties like Astral Horizon, L.P.
2026-03-27 · 0001104659-26-036025
DRS/A
amended
Amended draft registration statement
Updated draft registration filed before the public launch.
Updates the prior DRS filing.
Avalanche Treasury Company, LLC's current DRS/A filing outlines an amended business combination agreement involving Mountain Lake Acquisition Corp. (MLAC), Avalanche Treasury Corporation (Pubco), and other entities. The amendment, effective January 13, 2026, introduces Astral Horizon, L.P. as a related party receiving additional merger consideration for advisory services. The filing details the merger process, share exchanges, and private placement of Company Units, with Pubco set to become a publicly traded entity upon completion. The previous DRS filing lacked these specifics, including the Astral amendment and detailed transaction terms.
2026-02-13 · 0001104659-26-014539
DRS
filed
Draft registration statement
Draft registration filed confidentially before the public launch.
First tracked pre-IPO filing for this issuer.
Avalanche Treasury Company, LLC has filed a Form S-4 registration statement for a business combination involving Mountain Lake Acquisition Corp. (MLAC), a Cayman Islands exempted company. The transaction includes a domestication of MLAC into a Delaware corporation, mergers of MLAC and the Company with Pubco, and the issuance of Pubco Class A and B stock. The filing also outlines a $274 million private placement of Company Units, a $200 million AVAX token sale, and contributions from the Seller. The document is preliminary and subject to change before effectiveness.
2025-12-10 · 0001104659-25-119759