[Form 3] Quantumsphere Acquisition Corp. Units Initial Statement of Beneficial Ownership

Rhea-AI Filing Summary

Form 3 filed for Quantumsphere Acquisition Corp (QUMSU) by Wei Zhang reporting relationship as Director. The event date triggering the filing is 08/05/2025. The form states that no securities are beneficially owned by the reporting person. The filing was signed on 08/11/2025 and was submitted as an initial statement under Section 16.

Positive

• Reporting person identified as Director, providing transparency about corporate officers
• Form 3 filed and signed, indicating compliance with Section 16 initial disclosure requirements
• No securities beneficially owned is explicitly stated, clarifying current ownership status

Negative

• None.

Insights

Financial Analyst

TL;DR: Initial Section 16 disclosure shows a director with no beneficial ownership reported; no immediate balance-sheet or market impact.

The Form 3 documents Wei Zhang's relationship to Quantumsphere Acquisition Corp as a director and confirms the triggering event date of 08/05/2025. It explicitly states no securities are beneficially owned as of the filing. For investors, this is a routine Section 16 initial disclosure and does not convey revenue, earnings, or transaction details.

Corporate Governance Expert

TL;DR: Governance filing records an officer/director designation with no reported holdings; procedural compliance appears satisfied.

The Form 3 indicates Wei Zhang files as a reporting person in the capacity of Director and that the form was filed by one reporting person. The signature dated 08/11/2025 is present. The form explicitly notes no beneficial ownership, making this a procedural disclosure rather than a substantive governance change such as equity grants or transfers.

SEC Form 3

FORM 3

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

INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

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1. Name and Address of Reporting Person^*

Zhang Wei

(Last) (First) (Middle)

C/O QUANTUMSPHERE ACQUISITION

CORPORATION 1185 6TH AVE., SUITE 304

(Street)

NEW YORK NY 10036

(City) (State) (Zip)

2. Date of Event Requiring Statement (Month/Day/Year)
08/05/2025

3. Issuer Name and Ticker or Trading Symbol
Quantumsphere Acquisition Corp [ QUMSU ]

4. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

X	Director		10% Owner
	Officer (give title below)		Other (specify below)

5. If Amendment, Date of Original Filed (Month/Day/Year)

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Beneficially Owned
1. Title of Security (Instr. 4)	2. Amount of Securities Beneficially Owned (Instr. 4)	3. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	4. Nature of Indirect Beneficial Ownership (Instr. 5)

Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 4)	2. Date Exercisable and Expiration Date (Month/Day/Year)		3. Title and Amount of Securities Underlying Derivative Security (Instr. 4)		4. Conversion or Exercise Price of Derivative Security	5. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	6. Nature of Indirect Beneficial Ownership (Instr. 5)
	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:

No securities are beneficially owned.

	/s/ Wei Zhang	08/11/2025
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 5 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.

FAQ

Who filed the Form 3 for QUMSU?

Wei Zhang filed the Form 3 as the reporting person.

What is the reporting person's relationship to Quantumsphere Acquisition Corp (QUMSU)?

The form checks Director as the relationship of the reporting person to the issuer.

Does the Form 3 report any beneficial ownership for the reporting person?

No. The filing explicitly states no securities are beneficially owned.

What date triggered the filing of this Form 3?

The Date of Event requiring the statement is 08/05/2025.

When was the Form 3 signed?

The signature block shows the form was signed on 08/11/2025.