# EDGAR Filing Document

**Accession Number:** 0002070900
**File Stem:** 9999999995-25-002483
**Filing Date:** 2025-8
**Character Count:** 1319
**Document Hash:** f1d848b9afffb15869bd64a8b97c39ab
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**9999999995-25-002483.hdr.sgml**: 20250806

**ACCESSION NUMBER**: 9999999995-25-002483

**CONFORMED SUBMISSION TYPE**: EFFECT

**PUBLIC DOCUMENT COUNT**: 1

**FILED AS OF DATE**: 20250805

**DATE AS OF CHANGE**: 20250806

**EFFECTIVENESS DATE**: 20250805

**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** Quantumsphere Acquisition Corp
- **CENTRAL INDEX KEY:** 0002070900
- **STANDARD INDUSTRIAL CLASSIFICATION:** BLANK CHECKS [6770]
- **ORGANIZATION NAME:** 05 Real Estate & Construction
- **EIN:** 000000000
- **STATE OF INCORPORATION:** E9
- **FISCAL YEAR END:** 0331

**FILING VALUES:**
- **FORM TYPE:** EFFECT
- **SEC ACT:** 1933 Act
- **SEC FILE NUMBER:** 333-287672
- **FILM NUMBER:** 251187223

**BUSINESS ADDRESS:**
- **STREET 1:** 1185 6TH AVE.
- **STREET 2:** SUITE 304
- **CITY:** NEW YORK
- **STATE:** NY
- **ZIP:** 10036
- **BUSINESS PHONE:** 212-612-1400

**MAIL ADDRESS:**
- **STREET 1:** 1185 6TH AVE.
- **STREET 2:** SUITE 304
- **CITY:** NEW YORK
- **STATE:** NY
- **ZIP:** 10036

### UNITED STATES
### SECURITIES AND EXCHANGE COMMISSION
**Washington, D.C. 20549**

## Notice of Effectiveness

**Date:** August 5, 2025

**Time:** 16:15:00

**Form Type:** S-1

---

**CIK:** 0002070900

**Company Name:** Quantumsphere Acquisition Corp

**File Number:** 333-287672