---
schema_version: "secwatch.filing_event.v1"
accession: "0001213900-26-067149"
form_type: "8-K"
ticker: "MLAC"
cik: "0002029492"
company_name: "Mountain Lake Acquisition Corp."
filed_at: "2026-06-10T14:32:49+00:00"
generated_at: "2026-06-10T14:34:12.267852+00:00"
event_type: "other_material"
sentiment: "neutral"
materiality_score: 0.35
calibrated_materiality_score: 0.35
confidence: "high"
source: SEC EDGAR
---

# Mountain Lake postpones Special Meeting to June 16 to complete Avalanche Treasury combination

## Summary
- Special Meeting postponed from June 12 to June 16, 2026; shareholders to vote on extending combination deadline to Sept 16.
- Business combination with Avalanche Treasury Corp. approved by shareholders on June 4, 2026, but not yet closed.
- No change to record date, redemption deadline, or location; meeting at Ellenoff Grossman & Schole LLP in NYC.
- Company expects combination to close promptly after satisfying or waiving all conditions.

## SEC filing metadata
- accession: 0001213900-26-067149
- form_type: 8-K
- ticker: MLAC
- cik: 0002029492
- company_name: Mountain Lake Acquisition Corp.
- filed_at: 2026-06-10T14:32:49+00:00
- event_type: other_material
- sentiment: neutral
- materiality_score: 0.35
- calibrated_materiality_score: 0.35
- confidence: high
- sec_items: 8.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/2029492/000121390026067149/0001213900-26-067149-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/2029492/000121390026067149/ea0294270-8k_mountain.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001213900-26-067149
- JSON: https://secwatch.observer/filing/0001213900-26-067149.json
- Plain text: https://secwatch.observer/filing/0001213900-26-067149.txt

This AI-assisted summary is a reading aid. Review the linked SEC EDGAR filing before relying on any specific claim.