---
schema_version: "secwatch.filing_event.v1"
accession: "0001829126-25-007899"
form_type: "8-K"
ticker: "QUMS"
cik: "0002070900"
company_name: "Quantumsphere Acquisition Corp"
filed_at: "2025-10-06T23:59:59+00:00"
generated_at: "2026-05-17T04:39:23.832858+00:00"
event_type: "m_and_a"
sentiment: "neutral"
materiality_score: 0.75
calibrated_materiality_score: 0.75
confidence: "high"
source: SEC EDGAR
---

# Quantumsphere SPAC to merge with SACH Pte. Ltd. at $300M equity value

## Summary
- SACH is a Singapore-based gaming/tech/e-commerce/live events company known for OMMiii social gamification platform.
- Deal implies a pre-money equity value of $300M for SACH; SACH shareholders receive 30M Pubco shares at $10/share.
- Up to ~$82.8M cash from Quantumsphere trust (assuming no redemptions) to fund SACH operations.
- Current SACH shareholders retain 100% of equity and will hold substantial majority of combined company pro forma.
- Closing expected by June 30, 2026; subject to shareholder approvals, Nasdaq listing, and customary conditions.

## SEC filing metadata
- accession: 0001829126-25-007899
- form_type: 8-K
- ticker: QUMS
- cik: 0002070900
- company_name: Quantumsphere Acquisition Corp
- filed_at: 2025-10-06T23:59:59+00:00
- event_type: m_and_a
- sentiment: neutral
- materiality_score: 0.75
- calibrated_materiality_score: 0.75
- confidence: high
- sec_items: 1.01, 7.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/2070900/000182912625007899/0001829126-25-007899-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/2070900/000182912625007899/quantumsphereacq_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001829126-25-007899
- JSON: https://secwatch.observer/filing/0001829126-25-007899.json
- Plain text: https://secwatch.observer/filing/0001829126-25-007899.txt

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