STOCK TITAN

QUANTUMSPHERE ACQUISITION CO SEC Filings

QUMSU NASDAQ

Welcome to our dedicated page for QUANTUMSPHERE ACQUISITION CO SEC filings (Ticker: QUMSU), a comprehensive resource for investors and traders seeking official regulatory documents including 10-K annual reports, 10-Q quarterly earnings, 8-K material events, and insider trading forms.

Our SEC filing database is enhanced with expert analysis from Rhea-AI, providing insights into the potential impact of each filing on QUANTUMSPHERE ACQUISITION CO's stock performance. Each filing includes a concise AI-generated summary, sentiment and impact scores, and end-of-day stock performance data showing the actual market reaction. Navigate easily through different filing types including 10-K annual reports, 10-Q quarterly reports, 8-K current reports, proxy statements (DEF 14A), and Form 4 insider trading disclosures.

Designed for fundamental investors and regulatory compliance professionals, our page simplifies access to critical SEC filings. By combining real-time EDGAR feed updates, Rhea-AI's analytical insights, and historical stock performance data, we provide comprehensive visibility into QUANTUMSPHERE ACQUISITION CO's regulatory disclosures and financial reporting.

Rhea-AI Impact
Rhea-AI Sentiment
End-of-Day
-- %
Tags
insider
-
Rhea-AI Summary

Whiteowl Holdings LLC reported direct ownership of 3,126,650 ordinary shares of Quantumsphere Acquisition Corp (QUMSU) and beneficial interest in rights equivalent to 32,664 ordinary shares.

The filing states the holdings include 2,898,000 shares acquired prior to the issuer's initial public offering and 228,650 ordinary shares underlying private placement units. Each right is exchangeable for one-seventh of one ordinary share. The form notes that, after the underwriter's full exercise of its over-allotment option to purchase 1,080,000 units on August 7, 2025, no such shares are subject to forfeiture. The event date is 08/05/2025 and the Form 3 was signed by Ping Zhang, Managing Member, on 08/11/2025.

Rhea-AI Impact
Rhea-AI Sentiment
End-of-Day
-- %
Tags
insider
-
Rhea-AI Impact
Rhea-AI Sentiment
End-of-Day
-- %
Tags
insider
Rhea-AI Impact
Rhea-AI Sentiment
End-of-Day
-- %
Tags
insider
-
Rhea-AI Summary

Ping Zhang filed an initial Form 3 reporting indirect beneficial ownership of 3,126,650 ordinary shares of Quantumsphere Acquisition Corp (ticker QUMSU) through Whiteowl Holdings LLC, which Ping Zhang controls. The filing states 2,898,000 shares were acquired by Whiteowl before the issuer's IPO and an additional 228,650 ordinary shares are underlying private placement units. The report also discloses 228,650 rights, each exchangeable for one-seventh of one ordinary share, representing 32,664 underlying shares. All holdings are described as indirect and the reporting person serves as Chairman, CEO and CFO and as a Director.

Rhea-AI Impact
Rhea-AI Sentiment
End-of-Day
-- %
Tags
insider

FAQ

What is the current stock price of QUANTUMSPHERE ACQUISITION CO (QUMSU)?

The current stock price of QUANTUMSPHERE ACQUISITION CO (QUMSU) is $10.05 as of August 14, 2025.
QUANTUMSPHERE ACQUISITION CO

NASDAQ:QUMSU

QUMSU Rankings

QUMSU Stock Data

6.00M