STOCK TITAN

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

Filing Impact
(Low)
Filing Sentiment
(Neutral)
Form Type
3
Rhea-AI Filing 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.

Ping Zhang ha presentato un Form 3 iniziale che dichiara la proprietà beneficiaria indiretta di 3,126,650 azioni ordinarie di Quantumsphere Acquisition Corp (ticker QUMSU) tramite Whiteowl Holdings LLC, società controllata da Ping Zhang. Il modulo indica che 2,898,000 azioni sono state acquisite da Whiteowl prima dell'IPO dell'emittente e che ulteriori 228,650 azioni ordinarie derivano da unità di collocamento privato. La segnalazione riporta altresì 228,650 diritti, ciascuno convertibile in un settimo di azione ordinaria, corrispondenti a 32,664 azioni sottostanti. Tutte le partecipazioni sono descritte come indirette e la persona che segnala ricopre le cariche di Presidente del Consiglio, Amministratore Delegato, Direttore Finanziario e membro del consiglio di amministrazione.

Ping Zhang presentó un Formulario 3 inicial que informa la titularidad beneficiaria indirecta de 3,126,650 acciones ordinarias de Quantumsphere Acquisition Corp (símbolo QUMSU) a través de Whiteowl Holdings LLC, controlada por Ping Zhang. La presentación señala que 2,898,000 acciones fueron adquiridas por Whiteowl antes de la OPV del emisor y que 228,650 acciones ordinarias adicionales provienen de unidades de colocación privada. El informe también revela 228,650 derechos, cada uno canjeable por una séptima parte de una acción ordinaria, que representan 32,664 acciones subyacentes. Todas las participaciones se describen como indirectas y la persona que presenta el informe ocupa los cargos de Presidente, CEO, CFO y Director.

Ping Zhang은(는) Whiteowl Holdings LLC(핑 장이 지배)를 통해 Quantumsphere Acquisition Corp(티커 QUMSU)의 보통주 3,126,650주에 대한 간접적 실소유자임을 보고하는 초기 Form 3을 제출했습니다. 제출서에 따르면 Whiteowl는 발행사의 IPO 이전에 2,898,000주를 취득했으며 추가로 228,650주의 보통주가 사모 유닛에서 파생된 것이라고 기재되어 있습니다. 보고서는 또한 각각 보통주 1주의 1/7로 교환 가능한 228,650 권리(기초주식 32,664주에 해당)를 공개하고 있습니다. 모든 지분은 간접적인 것으로 표시되며, 보고인은 회장(Chairman), 최고경영자(CEO), 최고재무책임자(CFO) 및 이사로 재직 중입니다.

Ping Zhang a déposé un formulaire 3 initial déclarant la propriété bénéficiaire indirecte de 3,126,650 actions ordinaires de Quantumsphere Acquisition Corp (symbole QUMSU) via Whiteowl Holdings LLC, contrôlée par Ping Zhang. Le dépôt indique que 2,898,000 actions ont été acquises par Whiteowl avant l'introduction en bourse de l'émetteur et que 228,650 actions ordinaires supplémentaires proviennent d'unités de placement privé. Le rapport divulgue également 228,650 droits, chacun échangeable contre un septième d'action ordinaire, représentant 32,664 actions sous-jacentes. L'ensemble des participations est décrit comme indirect et la personne déclarante occupe les fonctions de président du conseil, PDG, directeur financier et administrateur.

Ping Zhang hat ein initiales Formular 3 eingereicht, in dem er das indirekte wirtschaftliche Eigentum an 3,126,650 Stammaktien der Quantumsphere Acquisition Corp (Ticker QUMSU) über Whiteowl Holdings LLC, die von Ping Zhang kontrolliert wird, meldet. Die Einreichung gibt an, dass 2,898,000 Aktien von Whiteowl vor dem Börsengang des Emittenten erworben wurden und weitere 228,650 Stammaktien aus Private-Placement-Einheiten stammen. Der Bericht offenbart zudem 228,650 Bezugsrechte, die jeweils gegen ein Siebtel einer Stammaktie tauschbar sind und 32,664 zugrunde liegende Aktien darstellen. Alle Bestände werden als indirekt angegeben, und die meldende Person ist Vorsitzender, CEO und CFO sowie Direktor.

Positive
  • Significant insider ownership: 3,126,650 shares held via Whiteowl Holdings LLC aligns management and shareholder interests.
  • Clarifies capital structure: Disclosure of 228,650 private placement units and 228,650 rights provides transparency on outstanding claimants to ordinary shares.
Negative
  • Concentration of roles: The reporting person holds Chairman, CEO and CFO positions while controlling the record owner, raising corporate governance concerns.
  • Indirect ownership structure: Holdings reported through Whiteowl Holdings LLC may obscure direct individual exposure and decision pathways for investors.

Insights

TL;DR: Substantial insider stake reported via a controlled entity; notable for shareholder alignment and capitalization disclosure.

The Form 3 shows a material indirect position of 3,126,650 ordinary shares held by Whiteowl Holdings LLC, controlled by Ping Zhang, plus 228,650 rights convertible into roughly 32,664 shares. For investors, this clarifies insider ownership concentration and the source of shares acquired pre-IPO and through a simultaneous private placement. The disclosure is routine but important for ownership and float calculations.

TL;DR: High insider control is evident; combined executive roles and indirect ownership warrant governance attention.

Ping Zhang is reported as Chairman, CEO and CFO and as a Director while controlling the record holder Whiteowl Holdings LLC. The filing documents indirect beneficial ownership rather than direct holdings, and specifies private placement units and rights. This concentration of roles and control is a material governance fact investors should note when assessing board independence and decision-making structure.

Ping Zhang ha presentato un Form 3 iniziale che dichiara la proprietà beneficiaria indiretta di 3,126,650 azioni ordinarie di Quantumsphere Acquisition Corp (ticker QUMSU) tramite Whiteowl Holdings LLC, società controllata da Ping Zhang. Il modulo indica che 2,898,000 azioni sono state acquisite da Whiteowl prima dell'IPO dell'emittente e che ulteriori 228,650 azioni ordinarie derivano da unità di collocamento privato. La segnalazione riporta altresì 228,650 diritti, ciascuno convertibile in un settimo di azione ordinaria, corrispondenti a 32,664 azioni sottostanti. Tutte le partecipazioni sono descritte come indirette e la persona che segnala ricopre le cariche di Presidente del Consiglio, Amministratore Delegato, Direttore Finanziario e membro del consiglio di amministrazione.

Ping Zhang presentó un Formulario 3 inicial que informa la titularidad beneficiaria indirecta de 3,126,650 acciones ordinarias de Quantumsphere Acquisition Corp (símbolo QUMSU) a través de Whiteowl Holdings LLC, controlada por Ping Zhang. La presentación señala que 2,898,000 acciones fueron adquiridas por Whiteowl antes de la OPV del emisor y que 228,650 acciones ordinarias adicionales provienen de unidades de colocación privada. El informe también revela 228,650 derechos, cada uno canjeable por una séptima parte de una acción ordinaria, que representan 32,664 acciones subyacentes. Todas las participaciones se describen como indirectas y la persona que presenta el informe ocupa los cargos de Presidente, CEO, CFO y Director.

Ping Zhang은(는) Whiteowl Holdings LLC(핑 장이 지배)를 통해 Quantumsphere Acquisition Corp(티커 QUMSU)의 보통주 3,126,650주에 대한 간접적 실소유자임을 보고하는 초기 Form 3을 제출했습니다. 제출서에 따르면 Whiteowl는 발행사의 IPO 이전에 2,898,000주를 취득했으며 추가로 228,650주의 보통주가 사모 유닛에서 파생된 것이라고 기재되어 있습니다. 보고서는 또한 각각 보통주 1주의 1/7로 교환 가능한 228,650 권리(기초주식 32,664주에 해당)를 공개하고 있습니다. 모든 지분은 간접적인 것으로 표시되며, 보고인은 회장(Chairman), 최고경영자(CEO), 최고재무책임자(CFO) 및 이사로 재직 중입니다.

Ping Zhang a déposé un formulaire 3 initial déclarant la propriété bénéficiaire indirecte de 3,126,650 actions ordinaires de Quantumsphere Acquisition Corp (symbole QUMSU) via Whiteowl Holdings LLC, contrôlée par Ping Zhang. Le dépôt indique que 2,898,000 actions ont été acquises par Whiteowl avant l'introduction en bourse de l'émetteur et que 228,650 actions ordinaires supplémentaires proviennent d'unités de placement privé. Le rapport divulgue également 228,650 droits, chacun échangeable contre un septième d'action ordinaire, représentant 32,664 actions sous-jacentes. L'ensemble des participations est décrit comme indirect et la personne déclarante occupe les fonctions de président du conseil, PDG, directeur financier et administrateur.

Ping Zhang hat ein initiales Formular 3 eingereicht, in dem er das indirekte wirtschaftliche Eigentum an 3,126,650 Stammaktien der Quantumsphere Acquisition Corp (Ticker QUMSU) über Whiteowl Holdings LLC, die von Ping Zhang kontrolliert wird, meldet. Die Einreichung gibt an, dass 2,898,000 Aktien von Whiteowl vor dem Börsengang des Emittenten erworben wurden und weitere 228,650 Stammaktien aus Private-Placement-Einheiten stammen. Der Bericht offenbart zudem 228,650 Bezugsrechte, die jeweils gegen ein Siebtel einer Stammaktie tauschbar sind und 32,664 zugrunde liegende Aktien darstellen. Alle Bestände werden als indirekt angegeben, und die meldende Person ist Vorsitzender, CEO und CFO sowie Direktor.

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
OMB APPROVAL
OMB Number: 3235-0104
Estimated average burden
hours per response: 0.5
1. Name and Address of Reporting Person*
Zhang Ping

(Last) (First) (Middle)
C/O QUANTUMSPHERE ACQUISITION CORP,
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
X Officer (give title below) Other (specify below)
Chairman, CEO, and CFO
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)
Ordinary Shares, par value $0.0001 per share 3,126,650(1) I(3) See footnote
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
Rights (2) (2) Ordinary Shares 32,664(2) (2) I(3) See footnote
Explanation of Responses:
1. Includes 2,898,000 ordinary shares of the Issuer acquired by Whiteowl Holdings LLC prior to the Issuer's initial public offering. As a result of 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. Also includes 228,650 ordinary shares underlying the private placement units sold in a private placement conducted simultaneously with the Issuer's initial public offering.
2. Includes 228,650 rights underlying the private placement units, which were sold in a private placement taking place simultaneously with the Issuer's initial public offering. Each right is exchangeable for one-seventh of one ordinary share upon the completion of the Issuer's initial business combination.
3. Whiteowl Holdings LLC, a Delaware limited liability company, is the record holder of the securities reported herein, which is controlled by Ping Zhang.
/s/ Ping 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

What stake did Ping Zhang report in Quantumsphere (QUMSU)?

The Form 3 reports indirect beneficial ownership of 3,126,650 ordinary shares through Whiteowl Holdings LLC and 228,650 rights.

How many underlying shares do the reported rights convert into for QUMSU?

The filing states 228,650 rights, each exchangeable for one-seventh of one ordinary share, representing 32,664 underlying shares.

Are the shares owned directly by Ping Zhang?

No. The filing indicates the securities are held by Whiteowl Holdings LLC and are reported as indirect beneficial ownership; Whiteowl is controlled by Ping Zhang.

What roles does the reporting person hold at Quantumsphere?

The Form 3 lists Ping Zhang as Chairman, CEO, CFO and as a Director of the issuer.

Did the filing disclose shares acquired before the IPO?

Yes. It states 2,898,000 ordinary shares were acquired by Whiteowl Holdings LLC prior to the issuer's initial public offering.
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