---
schema_version: "secwatch.filing_event.v1"
accession: "0001829126-26-009632"
form_type: "8-K"
ticker: "XLAB"
cik: "0002109869"
company_name: "D. Boral ARC Merger Corp"
filed_at: "2026-09-02T14:55:29+00:00"
generated_at: "2026-09-02T14:56:16.946904+00:00"
event_type: "m_and_a"
sentiment: "neutral"
materiality_score: 1.0
calibrated_materiality_score: 1.0
confidence: "high"
source: SEC EDGAR
---

# Exascale Labs completes $500M SPAC merger; begins trading as XLAB on Nasdaq

## Summary
- Closed $500M business combination with D. Boral ARC; issued 33.7M Class A and 30.6M Class B shares at $10.00 deemed value.
- 26,865,211 BCAR Class A shares redeemed for cash; 14,099,992 warrants outstanding at $11.50 exercise price.
- Hoansoo Lee named CEO and Interim CFO; Wenying Jia Chairperson; five-member board appointed.
- Former Exascale holders and SAFEholders subject to 6-month lock-up; trust and admin agreements terminated.
- Audited financials include going concern qualification; company cites limited operating history and losses.

## SEC filing metadata
- accession: 0001829126-26-009632
- form_type: 8-K
- ticker: XLAB
- cik: 0002109869
- company_name: D. Boral ARC Merger Corp
- filed_at: 2026-09-02T14:55:29+00:00
- event_type: m_and_a
- sentiment: neutral
- materiality_score: 1.0
- calibrated_materiality_score: 1.0
- confidence: high
- sec_items: 1.01, 1.02, 2.01, 9.01, 4.01, 3.01, 3.03, 5.01, 5.02, 5.03, 5.06, 7.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/2109869/000182912626009632/0001829126-26-009632-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/2109869/000182912626009632/exascalelabs_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001829126-26-009632
- JSON: https://secwatch.observer/filing/0001829126-26-009632.json
- Plain text: https://secwatch.observer/filing/0001829126-26-009632.txt

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