Company: MLAC
Filing Date: 2025-10-07
Form Type: 425
Source: 0001213900-25-097100
Chunk: 0

Company: Mountain Lake Acquisition Corp.
Filing Date: 2025-10-07
Form: 425
Chunk 0
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<div align='center'>UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 8-K

CURRENT REPORT

PURSUANT TO SECTION 13 OR 15(d)

OF THE SECURITIES EXCHANGE ACT OF 1934

Date of Report (Date of earliest event reported): October 7, 2025 ( October 1, 2025)

Mountain Lake Acquisition Corp.

(Exact name of registrant as specified in its charter)</div>

| Cayman Islands               |     | 001-42436        |     | 98-1796213         |
| (State or other jurisdiction 
 of incorporation)            |     | -Commission File 
 Number           |     | -IRS Employer      
 Identification No. |

<div align='center'>930 Tahoe Blvd STE 802

PMB 45

Incline Village

NV, 89451

(Address of principal executive offices, including zip code)

Registrant’s telephone number, including area code: ( 775) 204 1489

Not Applicable

(Former name or former address, if changed since last report)</div>

Check the appropriate box below if the Form 8-K
filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:

| ☒ | Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425) |

| ☐ | Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12) |

| ☐ | Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b)) |

| ☐ | Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c)) |

Securities registered pursuant to Section 12(b) of the Act:

| Title of each class                                                                                                                                                    |     | Trading Symbol(s) |     | Name of                           
 each exchange on which registered |
| Units, each consisting of one Class A ordinary share, par value $0.0001 per share, and one Right entitling the holder to receive one-tenth of a Class A ordinary share |     | MLACU             |     | The Nasdaq Stock Market LLC       |
| Class A ordinary shares                                                                                                                                                |     | MLAC              |     |