Recent 8-K filings for MLAA

• May 26, 2026, 6:12 AM ET other material materiality 0.35 neutral item 8.01

  Mountain Lake SPAC exclusivity with Terra Quantum expires, may seek other targets

  Non-binding LOI with Terra Quantum signed April 2026; exclusivity period has expired.

• April 9, 2026, 7:59 PM ET M&A materiality 0.75 neutral item 7.01item 9.01

  Mountain Lake Acquisition Corp. II announces non-binding LOI to merge with Terra Quantum AG at $3.25B valuation

  Terra Quantum AG valued at $3.25 billion in proposed SPAC merger with MLAC II (Nasdaq: MLAA).

• March 18, 2026, 7:59 PM ET other material materiality 0.25 neutral item 8.01item 9.01

  Mountain Lake Acquisition announces separate trading of shares/warrants; founder forfeits 6,000 shares

  Starting March 19, 2026, MLAAU unit holders may elect to separately trade Class A shares (MLAA) and warrants (MLAAW).

• February 3, 2026, 6:59 PM ET other material materiality 0.75 neutral item 8.01item 9.01

  Mountain Lake Acquisition Corp. II closes $360M IPO and $9.8M private placement

  IPO of 36M units at $10/unit (including full over-allotment of 4.68M units); gross proceeds $360M.

• January 30, 2026, 6:59 PM ET other material materiality 0.65 neutral item 1.01item 3.02item 5.03item 8.01item 9.01 ◈ Material Agreements ×8◈ Equity Issuances◈ Governance Changes

  Mountain Lake Acquisition Corp. II closes upsized $360M SPAC IPO

  Closed upsized IPO of 36,000,000 units at $10.00/unit, gross proceeds $360,000,000; includes 4,680,000 over-allotment units.

Materiality & sentiment trend

Max materiality 0.75 · Median 0.65 · Most common event other_material

0 positive 0 negative 5 neutral

source · MLAA on sec.gov