---
schema_version: "secwatch.filing_event.v1"
accession: "0001493152-25-013534"
form_type: "8-K"
ticker: "WLAC"
cik: "0002032379"
company_name: "Willow Lane Acquisition Corp."
filed_at: "2025-09-15T23:59:59+00:00"
generated_at: "2026-05-17T06:40:52.217814+00:00"
event_type: "m_and_a"
sentiment: "neutral"
materiality_score: 0.75
calibrated_materiality_score: 0.75
confidence: "high"
source: SEC EDGAR
---

# Willow Lane Acquisition Corp. announces $441.5M merger with Boost Run Inc.

## Summary
- Aggregate consideration of $441.5M in Pubco common stock at $10.00/share, plus $8.5M installment note to CEO Andrew Karos.
- CEO Karos eligible for up to 7.875M earnout shares if Pubco stock hits $12.50/$15.00/$17.50 per share targets over 3 years.
- Willow Lane sponsor and Goodrich ILMJS LLC each eligible for 1.6875M earnout shares under same price targets.
- Transaction structured as mergers: SPAC Merger Sub merges into Willow Lane, Company Merger Sub merges into Boost Run.

## SEC filing metadata
- accession: 0001493152-25-013534
- form_type: 8-K
- ticker: WLAC
- cik: 0002032379
- company_name: Willow Lane Acquisition Corp.
- filed_at: 2025-09-15T23:59:59+00:00
- event_type: m_and_a
- sentiment: neutral
- materiality_score: 0.75
- calibrated_materiality_score: 0.75
- confidence: high
- sec_items: 7.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/2032379/000149315225013534/0001493152-25-013534-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/2032379/000149315225013534/form8-k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001493152-25-013534
- JSON: https://secwatch.observer/filing/0001493152-25-013534.json
- Plain text: https://secwatch.observer/filing/0001493152-25-013534.txt

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