# EDGAR Filing Document

**Accession Number:** 0002029492
**File Stem:** 0001213900-26-067813
**Filing Date:** 2026-6
**Character Count:** 10760
**Document Hash:** 4a6263f322530811e8b7e85fe3934b08
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001213900-26-067813.hdr.sgml**: 20260611

**ACCESSION NUMBER**: 0001213900-26-067813

**CONFORMED SUBMISSION TYPE**: 8-K

**PUBLIC DOCUMENT COUNT**: 12

**CONFORMED PERIOD OF REPORT**: 20260611

**ITEM INFORMATION**: Other Events

**ITEM INFORMATION**: Financial Statements and Exhibits

**FILED AS OF DATE**: 20260611

**DATE AS OF CHANGE**: 20260611

**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** Mountain Lake Acquisition Corp.
- **CENTRAL INDEX KEY:** 0002029492
- **STANDARD INDUSTRIAL CLASSIFICATION:** BLANK CHECKS [6770]
- **ORGANIZATION NAME:** 05 Real Estate & Construction
- **EIN:** 981796213
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** 8-K
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 001-42436
- **FILM NUMBER:** 261082948

**BUSINESS ADDRESS:**
- **STREET 1:** 930 TAHOE BLVD
- **STREET 2:** STE 802 PMB 45
- **CITY:** INCLINE VILLAGE
- **STATE:** NV
- **ZIP:** 89451
- **BUSINESS PHONE:** (775) 204-1489

**MAIL ADDRESS:**
- **STREET 1:** 930 TAHOE BLVD
- **STREET 2:** STE 802 PMB 45
- **CITY:** INCLINE VILLAGE
- **STATE:** NV
- **ZIP:** 89451

?xml version='1.0' encoding='ASCII'?

**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): **June 11, 2026**

**Mountain Lake Acquisition Corp.**

(Exact name of registrant as specified in its charter)

---

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

---

**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)

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: None

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§ 230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§ 240.12b-2 of this chapter).

Emerging growth company ☒

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐

**Item 8.01 Other Events.**

On June 11, 2026, Mountain Lake Acquisition Corp., a Cayman Islands exempted company (the "Company") issued a press release (the "Press Release") announcing that its previously announced business combination with Avalanche Treasury Corporation ("AVAT") (the "Business Combination") was consummated. The shares of Class A common stock of AVAT, the combined company following the Business Combination, will commence trading on the Nasdaq on June 11, 2026, under the ticker symbol "AVAT." The Business Combination was approved by MLAC's shareholders at an extraordinary general meeting in lieu of an annual general meeting of shareholders on June 4, 2026, and all remaining closing conditions of the Business Combination were satisfied or waived among the parties as of June 11, 2026.

A copy of the Press Release is attached hereto as Exhibit 99.1 and incorporated herein by reference.

**Forward-Looking Statements**

This Current Report on the Form 8-K includes "forward-looking statements" within the meaning of the "safe harbor" provisions of the United States Private Securities Litigation Reform Act of 1995. Forward-looking statements may be identified by the use of words such as "estimate," "plan," "project," "forecast," "intend," "will," "expect," "anticipate," "believe," "seek," "target" or other similar expressions that predict or indicate future events or trends or that are not statements of historical matters. These forward-looking statements also include, but are not limited to, statements regarding estimation of the listing. These statements are based on various assumptions, whether or not identified in this press release, and on the current expectations of MLAC's management and are not predictions of actual performance. These statements involve risks, uncertainties and other factors that may cause the actual results, levels of activity, performance, or achievements to be materially different from those expressed or implied by these forward-looking statements. Although MLAC believes that it has a reasonable basis for each forward-looking statement contained in this press release, MLAC cautions you that these statements are based on a combination of facts and factors currently known and projections of the future, which are inherently uncertain. The forward-looking statements in this press release represent the views of MLAC as of the date of this press release. Subsequent events and developments may cause those views to change. Except as may be required by law, MLAC does not undertake any duty to update these forward-looking statements.

**Item 9.01 Financial Statements and Exhibits.**

*(d) Exhibits*

The following exhibit is filed herewith:

---

| | |
|:---|:---|
| **Exhibit No.** | **Description of Exhibits** |
| 99.1 | [Press Release, dated June 11, 2026](ea029444702ex99-1.htm) |
| 104 | Cover Page Interactive Data File (embedded within the Inline XBRL document) |

---

**SIGNATURE**

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned, hereunto duly authorized.

---

| | | |
|:---|:---|:---|
| **Mountain Lake Acquisition Corp.** | **Mountain Lake Acquisition Corp.** | **Mountain Lake Acquisition Corp.** |
| By: | /s/ Gerald Bartholomew Smith | /s/ Gerald Bartholomew Smith |
|  | Name: | Gerald Bartholomew Smith |
|  | Title: | Chief Executive Officer and Chairman of the Board of Directors |

---

Dated: June 11, 2026

## Exhibit 99.1

**Exhibit 99.1**

Mountain Lake Acquisition Corp. Announces Closing of Business Combination and Listing on Nasdaq

Incline Village, Nevada, June 11, 2026 (GLOBE NEWSWIRE) -- Mountain Lake Acquisition Corp ("MLAC"), a special purpose acquisition company, today announced the completion of its previously announced business combination with Avalanche Treasury Corporation ("AVAT") (the "Business Combination"). The shares of Class A common stock of AVAT, the combined company following the Business Combination, will commence trading on the Nasdaq on June 11, 2026, under the ticker symbol "AVAT." The Business Combination was approved by MLAC's shareholders at an extraordinary general meeting in lieu of an annual general meeting of shareholders on June 4, 2026, and all remaining closing conditions of the Business Combination were satisfied or waived among the parties as of June 11, 2026.

**Advisors**

Ellenoff Grossman & Schole LLP and Forbes Hare served as legal advisors to MLAC.

Skadden, Arps, Slate, Meagher & Flom (UK) LLP and Appleby (Cayman) Ltd. served as legal advisors to AVAT.

BTIG, LLC served as financial and capital markets advisor to MLAC.

**About AVAT (Avalanche Treasury Co.)**

AVAT (Avalanche Treasury Co.) is a Nasdaq-listed company that provides investors with exposure to the Avalanche ecosystem as businesses move on-chain. Investors in AVAT hold shares in a publicly listed company whose value is tied to Avalanche, the blockchain technology platform of choice for some of the world's most recognized and trusted institutions. AVAT is designed for those who want access to the blockchain infrastructure that offers flexibility, interoperability, and speed without holding a digital asset directly. For more information, visit avat.com.

**About Mountain Lake Acquisition Corp.**

MLAC was a blank check company formed for the purpose of effecting a merger, share exchange, asset acquisition, share purchase, reorganization or similar business combination with one or more businesses. The Company's management team was led by Paul Grinberg, its Chairman & CEO, and Douglas Horlick, its Chief Financial Officer, Director, and President.

**Forward-Looking Statements**

This press release includes "forward-looking statements" within the meaning of the "safe harbor" provisions of the United States Private Securities Litigation Reform Act of 1995. Forward-looking statements may be identified by the use of words such as "estimate," "plan," "project," "forecast," "intend," "will," "expect," "anticipate," "believe," "seek," "target" or other similar expressions that predict or indicate future events or trends or that are not statements of historical matters. These forward-looking statements also include, but are not limited to, statements regarding estimation of the listing. These statements are based on various assumptions, whether or not identified in this press release, and on the current expectations of MLAC's management and are not predictions of actual performance. These statements involve risks, uncertainties and other factors that may cause the actual results, levels of activity, performance, or achievements to be materially different from those expressed or implied by these forward-looking statements. Although MLAC believes that it has a reasonable basis for each forward-looking statement contained in this press release, MLAC cautions you that these statements are based on a combination of facts and factors currently known and projections of the future, which are inherently uncertain. The forward-looking statements in this press release represent the views of MLAC as of the date of this press release. Subsequent events and developments may cause those views to change. Except as may be required by law, MLAC does not undertake any duty to update these forward-looking statements.

**INVESTOR RELATIONS CONTACT**

**Mountain Lake Acquisition Corp**.

Douglas Horlick

doug@mountainlakeacquisition.com

930 Tahoe Blvd STE 802 PMB 45

Incline Village, NV 89451

(775) 204-1489