MLAC SEC filings, in plain English
Everything Mountain Lake Acquisition Corp. has filed with the SEC that we hold — 40 filings, newest first, 5 with a plain-English summary of what changed and why it matters. Every row links to the primary document on EDGAR, so you can check the source rather than trust us.
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What changed: Mountain Lake Acquisition Corp. filed as soliciting material a Form 8-K of Avalanche Treasury Corporation and Avalanche Treasury Company, LLC dated May 29, 2026. Under a Master Lender Agreement signed March 20, 2026 with FalconX Charlie, Inc., AVAT executed a loan term sheet on May 29, 2026 to borrow $25 million as an Open Loan — one with no maturity date, repayable by AVAT or recallable by the lender at any time — at a Loan Fee of 7% per annum. The obligation is also reported under Item 2.03. Why it matters: The borrowing is tied to the Mountain Lake business combination at both ends: at closing AVAT pledges approximately 5.6 million AVAX at an Initial Collateral Ratio of 200%, the loaned assets may be drawn only after closing and once the lender holds that collateral, and AVAT intends to use the proceeds to finance closing costs. Collateral sits in a segregated custody account at Anchorage Digital Bank N.A. A 180% Margin Call Limit triggers a top-up, a 160% Default Limit lets the lender declare default, and above 230% for thirty continuous days AVAT may reclaim collateral.
What changed: Mountain Lake Acquisition Corp. called an extraordinary general meeting for June 12, 2026 at 10:00 a.m. ET to amend its articles and extend the deadline to consummate its initial business combination from June 16, 2026 to September 16, 2026, plus an adjournment proposal. It signed a business combination agreement on October 1, 2025, amended January 13, 2026, with Avalanche Treasury Corporation as Pubco. The registration statement was filed March 27, 2026 and declared effective May 14, 2026; a separate meeting to approve the combination is set for June 4, 2026. Why it matters: This is a three-month backstop extension, not a sign the deal is failing: the registration statement went effective May 14, 2026 and the business combination vote is already scheduled for June 4, 2026, eight days before this meeting. The proxy states that if the combination closes before June 16, 2026 the company will not redeem Class A public shares submitted for redemption solely in connection with this extension meeting, so holders redeeming here risk having that election voided by a timely closing. The board will only adopt the extension if it concludes the deal cannot close by June 16.
What changed: Mountain Lake Acquisition Corp. filed as definitive additional materials its Form 10-Q for the quarter ended March 31, 2026. At that date, cash and investments held in the Trust Account were $243,344,159 against $241,230,572 at December 31, 2025, and the 23,000,000 Class A ordinary shares subject to possible redemption carried a redemption value of approximately $10.58 per share, up from approximately $10.49. Cash outside the trust was $66,568, down from $452,680 at year end. Why it matters: Putting the quarterly report into the proxy record is how a SPAC hands holders the trust figure they are about to vote against. Interest earned on trust of $2,113,587 in the quarter, against general and administrative expenses of $389,571, produced net income of $1,724,016, and total shareholders' deficit widened to $1,124,341. Total liabilities are $1,340,652, including a deferred underwriting fee of $1,000,000. The redemption value per share, not the customary round number, is the figure a redeeming holder receives.
- What changed vs 2025-11-10trust $238.9M → $243.4M +2%
trust account, going-concern doubt, redeemable shares1 moved · 2 with no prior record of ours
- Trust account
- $238.9M$243.4M
- Going-concern doubt
- stated · unchanged
- Redeemable shares
- 23.0M · unchanged
SpacBrain reads this as $4,426,666 was added to the trust between the two filings.
The clause “2026 U.S. Treasury Securities (Matured on April 9, 2026) $ 243,343,813 $ 14,776 $ 243,358,589 At December 31, 2025, assets held in the Trust Account were comprised of $ 1,121 in cash and $ 241,229,451 in U.S. Treasury securities. During”…
The clause …“all operations except for the purpose of liquidating. These conditions raise substantial doubt about the Company’s ability to continue as a going concern. Management plans to consummate an initial Business Combination prior to the”…
The clause …“445,000,000 shares authorized; 805,000 issued and outstanding (excluding 23,000,000 shares subject to possible redemption) as of March 31, 2026 and December 31, 2025 81 81 Class B ordinary shares, $ 0.0001 par value; 50,000,000”…
Read from stored SEC filing text by a regex — no model is involved — and each side links to the filing it came from. “Not previously extracted” is a statement about our record, not about the company: the clause may be present in wording we do not match.
What changed: Mountain Lake Acquisition Corp. filed a preliminary proxy, subject to completion and dated May 15, 2026, for an extraordinary general meeting whose date and start time are still bracketed blanks in June 2026. Two proposals: an Articles Extension, by special resolution, extending the period within which the company must consummate a business combination by three months to September 16, 2026 — stated as 21 months from the consummation of its IPO — or such earlier Articles Extension Date as the board determines; and adjournment. Why it matters: This is a bridge to a deal already before holders, not a search extension. On October 1, 2025 the company signed a Business Combination Agreement, amended January 13, 2026, with Avalanche Treasury Corporation and related entities; its Form S-4 was declared effective May 14, 2026 and a separate general meeting to approve the combination is set for June 4, 2026. September 16, 2026 is the CEILING the extension would create, and the board may fix an earlier date. The same document names June 16, 2026 as the date by which the closing conditions must be satisfied or waived.
What changed: DEFM14A — Mountain Lake Acquisition Corp.'s definitive proxy statement for an extraordinary general meeting held in lieu of an annual general meeting, and Pubco's prospectus for 55,468,670 shares of Class A common stock. The Business Combination Agreement, amended by a First Amendment dated January 13, 2026, combines MLAC with an AVAX-token treasury vehicle through MLAC and Pubco subsidiaries; the ticker AVAT was reserved across exchanges on August 8, 2025. Why it matters: The financing is denominated partly in tokens, not only cash: under Company Unit Subscription Agreements dated October 1, 2025, investors subscribed for approximately $216 million of Company Class A units at $10.00 each, payable in cash, USD Coin or AVAX. The Foundation Transaction is a sale of 7,317,965.61 AVAX tokens by the Avalanche foundation entities to the Company, for which 3,000,000 Foundation Shares of Pubco Class A stock are issued at closing; Seller Related Parties separately contributed 1,960,040 AVAX for 5,805,638 Company Units.
- What changed vs 2025-03-19trust $231.6M → $241.3M +4%going concern APPEARED
trust account, going-concern doubt, combination deadline +32 moved · 4 with no prior record of ours
- Trust account
- $231.6M$241.3M
- Going-concern doubt
- not statedstated
- Combination deadline
- not previously extracted2026-06-16
- Sponsor loans outstanding
- $3Knot matched in this filing
- Mandate language
- We intend to target businesses that hold, or have the potent… · unchanged
- Redeemable shares
- 23.0M · unchanged
SpacBrain reads this as $9,644,186 was added to the trust between the two filings.
The clause “25 U.S. Treasury Securities (Matured on January 8, 2026) $ 241,229,451 $ 58,588 $ 241,288,039 F- 17 At December 31, 2024, assets held in the Trust Account were comprised of $ 593 in cash and $ 231,643,260 in U.S. Treasury securities.”…
SpacBrain reads this as the substantial-doubt sentence is in this filing and not in the previous one.
The clause …“accounting firm’s report contains an explanatory paragraph that expresses substantial doubt about our ability to continue as a “going concern.” As of December 31, 2025, we had $452,680 in cash and a working capital surplus of”…
The clause …“unable to raise additional funds to alleviate liquidity needs and complete a business combination by June 16, 2026, then the Company will cease all operations except for the purpose of liquidating. The liquidity condition and date for”…
The clause …“445,000,000 shares authorized; 805,000 issued and outstanding (excluding 23,000,000 shares subject to possible redemption) as of December 31, 2025 and 2024 81 81 Class B ordinary shares, $ 0.0001 par value; 50,000,000 shares”…
Read from stored SEC filing text by a regex — no model is involved — and each side links to the filing it came from. “Not previously extracted” is a statement about our record, not about the company: the clause may be present in wording we do not match.
In plain English
Redemption deadlinethe last day to hand shares back for cash
Set by the filing that calls the meeting. Tender after it and the company is under no obligation to pay you the trust value.
Cash in trust / trust per sharethe cash the company is holding for each public share
Filed quarterly in the 10-Q's XBRL. It earns interest between filings, so the figure on a given day is slightly higher than the last filed one — where we show that we label it an estimate.
Accession numberthe SEC's unique id for one filing
Every figure on this page carries the accession of the filing that states it, so you can open the primary document rather than trust us.