SEC Form 4 · accession 0001213900-26-068803
Mountain Lake Acquisition Corp. · MLAC
Statement of changes in beneficial ownership, as filed. Original on EDGAR ↗
Reporting owner
Michael J. Marquez
Director
Period of report
Jun 11, 2026
Accepted (ET)
Jun 15, 2026 · 4:16 pm EDT
Rule 10b5-1 plan
box not checked
Issuer CIK
0002029492
Table I — non-derivative securities
| Security | Date | Code | Shares | Price | A/D | Owned after | D/I | Nature of ownership |
|---|---|---|---|---|---|---|---|---|
| Class A ordinary shares, par value $0.0001 per shareF2 | Jun 11, 2026 | M | 9,112 | — | A | 9,112 | D | |
| Class A ordinary shares, par value $0.0001 per shareF3 | Jun 11, 2026 | D | 9,112 | — | D | 0 | D |
Table II — derivative securities
| Security | Conv. / exercise price | Date | Code | Shares | A/D | Exercisable | Expires | Underlying | Underlying shares | Owned after | D/I |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Class B ordinary shares, par value $0.0001 per shareF1,F2 | — | Jun 11, 2026 | D | 15,888 | D | — | — | Class A ordinary shares | 15,888 | 9,112 | D |
| Class B ordinary shares, par value $0.0001 per shareF2 | — | Jun 11, 2026 | M | 9,112 | D | — | — | Class A ordinary shares | 9,112 | 0 | D |
Explanation of responses
- F1On June 11, 2026, in connection with the consummation of the transactions contemplated by the Business Combination Agreement dated October 1, 2025 (as amended on January 13, 2026 and March 17, 2026, the "Business Combination Agreement" and the transactions contemplated thereto, the "Business Combination"), by and among the Issuer, Avalanche Treasury Corporation, a Delaware corporation ("Pubco") and the other parties thereto, and certain Sponsor Support Agreement dated as of October 1, 2025, by and among the Issuer, Pubco and Mountain Lake Acquisition Sponsor LLC (the "Sponsor"), an aggregate of 15,888 Class B ordinary shares held by the Reporting Person were surrendered for cancellation by the Reporting Person to the Issuer for no consideration.
- F2As described in the registration statement on Form S-1 (File No. 333-281410) of the Issuer under the heading "Description of Securities--Founder Shares," the Class B ordinary shares will automatically convert into Class A ordinary shares at the time of the Issuer's initial business combination, or at any time prior to the Issuer's initial business combination, at the option of the holder, on a one-for-one basis, subject to certain adjustments. In connection with the consummation of the Business Combination, and immediately following the surrender, 9,112 Class B ordinary shares were converted into an aggregate of 9,112 Class A ordinary shares (the "Class B Conversion"). Following the Class B Conversion, the Reporting Person owns zero Class B ordinary shares.
- F3In connection with the SPAC Merger (as defined in the Business Combination Agreement), an aggregate of 9,112 Class A ordinary shares held by the Reporting Person were exchanged into an equal number of shares of Class A common stock, par value $0.01 per share, of Pubco. Following such transaction, the Reporting Person owns zero Class A ordinary shares.