Mountain Lake Acquisition Corp. II Class A Ordinary Shares MLAA · SEC Filings

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Mountain Lake Acquisition Corp. II operates as a special purpose acquisition company (SPAC), establi...

Price10.04

Market Cap491.76 M

Float36.47 M

CountryUS

SectorFinancial Services

ExchangeNASDAQ

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Financials

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10-Q

Form 10-Q - Quarterly report [Sections 13 or 15(d)]

Nov 6, 2026

10-Q

Form 10-Q - Quarterly report [Sections 13 or 15(d)]

Aug 11, 2026

10-Q

Form 10-Q - Quarterly report [Sections 13 or 15(d)]

May 13, 2026

10-K

Form 10-K - Annual report [Section 13 and 15(d), not S-K Item 405]

Mar 20, 2026

News

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8-K

Mountain Lake Acquisition Corp. II Announces Expiration of Exclusivity Period with Terra Quantum AG

May 26, 2026

8-K

Terra Quantum AG to go public in $3.25 billion SPAC deal

Apr 9, 2026

8-K

Mountain Lake Acquisition Corp. II Announces Separate Trading of Class A Ordinary Shares and Warrants

Mar 18, 2026

8-K

Mountain Lake Acquisition Corp. II Audited Balance Sheet as of January 28, 2026

Feb 3, 2026

8-K

Mountain Lake Acquisition Corp. II Prices Upsized $313.2 Million IPO

Jan 30, 2026

Prospectus

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425

Form 425 - Prospectuses and communications, business combinations

May 26, 2026

425

Form 425 - Prospectuses and communications, business combinations

Apr 9, 2026

424B4

IPO | Offering amount: $313,200,000 | Shares: 31,320,000 | Price: $10.000 | Bank: BTIG, LLC

Jan 27, 2026

Registrations

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Proxies

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Ownerships

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SCHEDULE 13G

ARISTEIA CAPITAL, L.L.C. (Filed by)

May 14, 2026

SCHEDULE 13G

Form SCHEDULE 13G - Statement of Beneficial Ownership by Certain Investors

May 13, 2026

SCHEDULE 13G

Adage Capital Management, L.P. (Filed by)

May 13, 2026

Grinberg Paul (Reporting)

Mar 18, 2026

SCHEDULE 13D

MOUNTAIN LAKE ACQUISITION SPONSOR II LLC (Filed by)

Feb 4, 2026

Grinberg Paul (Reporting)

Jan 30, 2026

Other

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EFFECT

Form EFFECT - Notice of Effectiveness

Jan 27, 2026

CORRESP

Form CORRESP - Correspondence

Jan 22, 2026

CORRESP

Form CORRESP - Correspondence

Jan 22, 2026

LETTER

Form UPLOAD - SEC-generated letter

Jan 13, 2026