SEC Form 4 · accession 0001213900-26-067332
Mountain Lake Acquisition Corp. · MLAC
Statement of changes in beneficial ownership, as filed. Original on EDGAR ↗
Reporting owner
Period of report
Jun 1, 2026
Accepted (ET)
Jun 10, 2026 · 4:15 pm EDT
Rule 10b5-1 plan
box not checked
Issuer CIK
0002029492
Table I — non-derivative securities
No Table I lines on this filing.
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 shareF2,F1 | — | Jun 1, 2026 | J | 2,781,776 | D | — | — | Class A ordinary shares | 2,781,776 | 4,355,724 | D |
Explanation of responses
- F1Following the transactions reported herein, Mountain Lake Acquisition Sponsor LLC (the "Sponsor") is the record holder of 4,355,724 Class B Ordinary Shares of the Issuer (the "Founder Shares"). Each of Paul Grinberg, Douglas Horlick and Jaime W. Vieser are members of the Sponsor. Messrs. Grinberg and Horlick are managing members of the Sponsor and hold voting and investment discretion with respect to the Founder Shares. As such, Mr. Grinberg, Mr. Horlick and Mr. Vieser may be deemed to have beneficial ownership of the Founder Shares held of record by the Sponsor. Mr. Grinberg, Mr. Horlick and Mr. Vieser disclaim any beneficial ownership except to the extent of their pecuniary interest therein.
- 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 shares of Class B Ordinary Shares will automatically convert into shares of 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.
- F3Represents pro rata distribution of an aggregate of 2,781,776 Class B Ordinary Shares by the Sponsor to its constituent members (the "Sponsor Distribution"). No consideration was paid in connection with the transaction reported herein..