---
schema_version: "secwatch.filing_event.v1"
accession: "0001213900-25-094940"
form_type: "8-K"
ticker: "MLAC"
cik: "0002029492"
company_name: "Mountain Lake Acquisition Corp."
filed_at: "2025-10-02T23:59:59+00:00"
generated_at: "2026-05-17T04:58:58.877029+00:00"
event_type: "m_and_a"
sentiment: "positive"
materiality_score: 0.85
calibrated_materiality_score: 0.85
confidence: "high"
source: SEC EDGAR
---

# Mountain Lake SPAC merges with Avalanche Treasury; $675M+ deal, $460M treasury, Q1 2026 close

## Summary
- Definitive business combination valued at over $675M; combined co. to be named Avalanche Treasury Co. (AVAT) and list on Nasdaq.
- Initial treasury of ~$460M in AVAX; investors entry at 0.77x mNAV (23% discount to direct AVAX exposure).
- Private placement raised ~$119M cash, ~$116M unlocked AVAX, ~$69M locked AVAX from investors including Dragonfly, ParaFi, VanEck.
- Exclusive 18-month priority on Avalanche Foundation token sales; discounted initial purchase at announcement.
- Expects to close Q1 2026; Bart Smith (ex-Susquehanna/AllianceBernstein) as AVAT CEO; Emin Gün Sirer as strategic advisor.

## SEC filing metadata
- accession: 0001213900-25-094940
- form_type: 8-K
- ticker: MLAC
- cik: 0002029492
- company_name: Mountain Lake Acquisition Corp.
- filed_at: 2025-10-02T23:59:59+00:00
- event_type: m_and_a
- sentiment: positive
- materiality_score: 0.85
- calibrated_materiality_score: 0.85
- confidence: high
- sec_items: 7.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/2029492/000121390025094940/0001213900-25-094940-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/2029492/000121390025094940/ea0259868-8k425_mount.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001213900-25-094940
- JSON: https://secwatch.observer/filing/0001213900-25-094940.json
- Plain text: https://secwatch.observer/filing/0001213900-25-094940.txt

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