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Mountain Lake Acquisition Corp. filings document material-event reporting for a SPAC issuer, including agreements, shareholder voting matters, capital-structure disclosures, risk factors, and security-structure terms. The records describe unit, warrant, trust-account, redemption, deadline-extension, governance, and voting mechanics that define the blank-check company's public-company status and transaction process.
Mountain Lake Acquisition Corp. (MLAC) seeks shareholder approval to consummate a business combination that would domesticate MLAC to Delaware and merge with Avalanche Treasury Corporation (Pubco), creating a publicly traded company expected to trade under the symbol AVAT. The Meeting is scheduled for June 4, 2026 to vote on the Business Combination, related mergers, domestication, Nasdaq-related approvals, board composition, and adjournment authority. The transaction contemplates issuance of: 55,468,670 shares of Pubco Class A Stock and 5,805,638 shares of Pubco Class B Stock (as shown in the prospectus cover), Company Unit subscriptions of approximately $216.0 million at $10.00 per unit, a 1,960,040 AVAX Dragonfly contribution (valued at approximately $58,056,384 at $10.00 share-equivalence), and 4,000,000 Additional Merger Consideration Shares to Astral. Public Shareholders may redeem Public Shares for cash prior to the Meeting in accordance with the redemption procedures described herein.
Mountain Lake Acquisition Corp. (MLAC) seeks shareholder approval to consummate a business combination that would domesticate MLAC to Delaware and merge with Avalanche Treasury Corporation (Pubco), creating a publicly traded company expected to trade under the symbol AVAT. The Meeting is scheduled for June 4, 2026 to vote on the Business Combination, related mergers, domestication, Nasdaq-related approvals, board composition, and adjournment authority. The transaction contemplates issuance of: 55,468,670 shares of Pubco Class A Stock and 5,805,638 shares of Pubco Class B Stock (as shown in the prospectus cover), Company Unit subscriptions of approximately $216.0 million at $10.00 per unit, a 1,960,040 AVAX Dragonfly contribution (valued at approximately $58,056,384 at $10.00 share-equivalence), and 4,000,000 Additional Merger Consideration Shares to Astral. Public Shareholders may redeem Public Shares for cash prior to the Meeting in accordance with the redemption procedures described herein.
Mizuho Financial Group, Inc. filed a Schedule 13G reporting beneficial ownership of 1,710,141 common shares of Mountain Lake Acquisition Corp. (CUSIP G6301B101), representing 7.2% of the class as of 03/31/2026. The filing is made by the parent holding company and notes that Mizuho Securities USA LLC is the direct holder through which indirect ownership is claimed.
Mizuho Financial Group, Inc. filed a Schedule 13G reporting beneficial ownership of 1,710,141 common shares of Mountain Lake Acquisition Corp. (CUSIP G6301B101), representing 7.2% of the class as of 03/31/2026. The filing is made by the parent holding company and notes that Mizuho Securities USA LLC is the direct holder through which indirect ownership is claimed.
W. R. Berkley Corporation reported beneficial ownership of 1,877,833 Class A ordinary shares of Mountain Lake Acquisition Corp., representing 7.9% of the class. The filing states Berkley holds no sole voting or dispositive power and reports shared voting and dispositive power over the 1,877,833 shares. The filing is signed by Richard M. Baio as Executive Vice President and Chief Financial Officer/Treasurer.
W. R. Berkley Corporation reported beneficial ownership of 1,877,833 Class A ordinary shares of Mountain Lake Acquisition Corp., representing 7.9% of the class. The filing states Berkley holds no sole voting or dispositive power and reports shared voting and dispositive power over the 1,877,833 shares. The filing is signed by Richard M. Baio as Executive Vice President and Chief Financial Officer/Treasurer.
Mountain Lake Acquisition Corp. filed an 8-K describing a Second Amendment to its Business Combination Agreement with Avalanche Treasury Company LLC and related parties. The amendment changes the timing for issuing 2,000,000 Pubco Class A shares owed to Astral Horizon, L.P. as part of the merger consideration.
Previously, these Astral Post-Closing Shares were to be issued on the Company Merger Effective Date. Under the Second Amendment, they will instead be issued on the 30th calendar day following the Closing Date. The amendment does not alter the separate 2,000,000 Astral Earnout Shares, which continue to vest based on existing earnout conditions.
Mountain Lake Acquisition Corp. filed an 8-K describing a Second Amendment to its Business Combination Agreement with Avalanche Treasury Company LLC and related parties. The amendment changes the timing for issuing 2,000,000 Pubco Class A shares owed to Astral Horizon, L.P. as part of the merger consideration.
Previously, these Astral Post-Closing Shares were to be issued on the Company Merger Effective Date. Under the Second Amendment, they will instead be issued on the 30th calendar day following the Closing Date. The amendment does not alter the separate 2,000,000 Astral Earnout Shares, which continue to vest based on existing earnout conditions.
Mountain Lake Acquisition Corp. is a blank-check company that raised $230,000,000 in its December 2024 IPO and placed $231,150,000 (including private unit proceeds) into a trust account for an initial business combination.
Public shareholders are entitled to redeem their Class A Ordinary Shares, initially at about $10.05 per share plus interest, in connection with a business combination, certain charter amendments, or if no deal is completed within an 18‑month window. As of February 20, 2026, there were 23,805,000 Class A and 7,187,500 Class B Ordinary Shares outstanding.
The company has entered into a Business Combination Agreement with Avalanche Treasury Corporation and related entities, under which Mountain Lake will domesticate to Delaware and complete a two-step merger structure, leaving AVAT as the publicly traded parent. The report emphasizes the management team’s SPAC experience, deal-sourcing network, and detailed mechanics for redemptions, voting thresholds, and possible extensions.
Mountain Lake Acquisition Corp. is a blank-check company that raised $230,000,000 in its December 2024 IPO and placed $231,150,000 (including private unit proceeds) into a trust account for an initial business combination.
Public shareholders are entitled to redeem their Class A Ordinary Shares, initially at about $10.05 per share plus interest, in connection with a business combination, certain charter amendments, or if no deal is completed within an 18‑month window. As of February 20, 2026, there were 23,805,000 Class A and 7,187,500 Class B Ordinary Shares outstanding.
The company has entered into a Business Combination Agreement with Avalanche Treasury Corporation and related entities, under which Mountain Lake will domesticate to Delaware and complete a two-step merger structure, leaving AVAT as the publicly traded parent. The report emphasizes the management team’s SPAC experience, deal-sourcing network, and detailed mechanics for redemptions, voting thresholds, and possible extensions.
Tenor Capital Management Company, L.P., Tenor Opportunity Master Fund, Ltd., and Robin Shah have filed Amendment No. 1 to a Schedule 13G for Mountain Lake Acquisition Corp. They report beneficial ownership of 2,000,000 Class A ordinary shares, representing 8.4% of the class.
The shares are held by Tenor Opportunity Master Fund, Ltd., with Tenor Capital as investment manager and Robin Shah as managing member of Tenor Management GP, LLC, the general partner of Tenor Capital. Because of these roles, each reporting person may be deemed to share voting and dispositive power over the shares, though each disclaims beneficial ownership except to the extent of any pecuniary interest.
The 8.4% figure is based on 23,805,000 shares stated as issued and outstanding in the issuer’s 10-Q filed on November 10, 2025. The reporting persons certify that the securities were not acquired and are not held for the purpose of changing or influencing control of the issuer.
Tenor Capital Management Company, L.P., Tenor Opportunity Master Fund, Ltd., and Robin Shah have filed Amendment No. 1 to a Schedule 13G for Mountain Lake Acquisition Corp. They report beneficial ownership of 2,000,000 Class A ordinary shares, representing 8.4% of the class.
The shares are held by Tenor Opportunity Master Fund, Ltd., with Tenor Capital as investment manager and Robin Shah as managing member of Tenor Management GP, LLC, the general partner of Tenor Capital. Because of these roles, each reporting person may be deemed to share voting and dispositive power over the shares, though each disclaims beneficial ownership except to the extent of any pecuniary interest.
The 8.4% figure is based on 23,805,000 shares stated as issued and outstanding in the issuer’s 10-Q filed on November 10, 2025. The reporting persons certify that the securities were not acquired and are not held for the purpose of changing or influencing control of the issuer.
Bank of Montreal and affiliates filed Amendment No. 3 to a Schedule 13G reporting their holdings in Mountain Lake Acquisition Corp. They report beneficial ownership of 137,132 Class A ordinary shares, representing 0.56% of the class as of the event date.
The filing lists Bank of Montreal and Bank of Montreal Europe Public Limited Company as having sole voting and dispositive power over these shares. The group certifies the securities were acquired and are held in the ordinary course of business and not for the purpose of changing or influencing control of the issuer.
Bank of Montreal and affiliates filed Amendment No. 3 to a Schedule 13G reporting their holdings in Mountain Lake Acquisition Corp. They report beneficial ownership of 137,132 Class A ordinary shares, representing 0.56% of the class as of the event date.
The filing lists Bank of Montreal and Bank of Montreal Europe Public Limited Company as having sole voting and dispositive power over these shares. The group certifies the securities were acquired and are held in the ordinary course of business and not for the purpose of changing or influencing control of the issuer.
Mountain Lake Acquisition Corp. Class A ordinary shares are reported beneficially owned by Polar Asset Management Partners Inc., acting as investment adviser to Polar Multi-Strategy Master Fund which directly holds the shares. The reporting person discloses 1,480,000 shares, representing 6.2% of the class, and reports sole voting and sole dispositive power over those shares. The statement is filed on Schedule 13G and includes a certification that the position was acquired and is held in the ordinary course of business and not for the purpose of changing or influencing control.
The filing provides transparent disclosure of a material, passive institutional stake; the core facts for investors are the share count, percentage ownership, and the declaration of passive intent.
Barclays PLC filed an amended Schedule 13G disclosing beneficial ownership of 1,092,500 shares of Mountain Lake Acquisition-A common stock, equal to 4.58% of the class. The filing shows Barclays holds sole voting and sole dispositive power over these shares, indicating direct control of voting and disposition for this position.
The statement classifies the stake as held in the ordinary course of business and not acquired to change or influence control. Barclays identifies Barclays Bank PLC as the related subsidiary for purposes of the filing.
Mountain Lake Acquisition Corp. is a blank check company that completed a $230.0 million IPO and a $8.05 million private placement and holds the proceeds in a trust for a future business combination. The trust balance totaled $236,375,099 as of June 30, 2025, producing interest income that drove net income of $4,214,891 for the six months ended June 30, 2025. The company reported operating costs of $516,355 for the six months and maintains $1,160,883 in cash outside the trust for due diligence and transaction expenses, resulting in a working capital surplus of $1,012,122. The public shares carry a redemption feature recorded at a redemption value of about $10.28 per share and accretion to redemption reduced shareholders deficit during the period. Management discloses substantial doubt about continuing as a going concern if a business combination is not completed within the 18-month combination period.