---
schema_version: "secwatch.filing_event.v1"
accession: "0001213900-26-099968"
form_type: "8-K"
ticker: "LPBB"
cik: "0002023676"
company_name: "Launch Two Acquisition Corp."
filed_at: "2026-09-15T14:45:21+00:00"
generated_at: "2026-09-15T14:46:10.134991+00:00"
event_type: "m_and_a"
sentiment: "neutral"
materiality_score: 0.5
calibrated_materiality_score: 0.5
confidence: "high"
source: SEC EDGAR
---

# Launch Two and NuCube file Form S-4 for business combination

## Summary
- Public S-4 filed with SEC on Sept 11, 2026; announced Sept 15, 2026, including preliminary proxy/prospectus.
- Deal first announced June 25, 2026; NuCube builds factory-built microreactors for industrial and data center energy.
- Closing requires approval of Launch Two shareholders and NuCube stockholders plus customary conditions.
- Registration statement not yet declared effective; follows confidential draft submitted Aug 4, 2026.
- Launch Two's units, Class A shares, warrants trade on Nasdaq as LPBBU, LPBB, LPBBW.

## SEC filing metadata
- accession: 0001213900-26-099968
- form_type: 8-K
- ticker: LPBB
- cik: 0002023676
- company_name: Launch Two Acquisition Corp.
- filed_at: 2026-09-15T14:45:21+00:00
- event_type: m_and_a
- sentiment: neutral
- materiality_score: 0.5
- calibrated_materiality_score: 0.5
- confidence: high
- sec_items: 8.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/2023676/000121390026099968/0001213900-26-099968-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/2023676/000121390026099968/ea0305537-8k425_launch.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001213900-26-099968
- JSON: https://secwatch.observer/filing/0001213900-26-099968.json
- Plain text: https://secwatch.observer/filing/0001213900-26-099968.txt

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