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

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.

Whiteowl Holdings LLC ha dichiarato la proprietà diretta di 3,126,650 azioni ordinarie di Quantumsphere Acquisition Corp (QUMSU) e un interesse beneficiario in diritti equivalenti a 32,664 azioni ordinarie.

La comunicazione indica che le partecipazioni comprendono 2,898,000 azioni acquisite prima dell'offerta pubblica iniziale dell'emittente e 228,650 azioni ordinarie sottostanti unità di collocamento privato. Ciascun diritto è convertibile in un settimo di una azione ordinarie. La nota precisa che, dopo l'esercizio integrale da parte dell'intermediario della sua opzione di sovrallocazione per acquistare 1,080,000 unità in data 07/08/2025, nessuna di tali azioni è soggetta a decadenza. La data dell'evento è 08/05/2025 e il Form 3 è stato firmato da Ping Zhang, Managing Member, il 08/11/2025.

Whiteowl Holdings LLC informó la propiedad directa de 3,126,650 acciones ordinarias de Quantumsphere Acquisition Corp (QUMSU) y un interés beneficiario en derechos equivalentes a 32,664 acciones ordinarias.

La presentación indica que las tenencias incluyen 2,898,000 acciones adquiridas antes de la oferta pública inicial del emisor y 228,650 acciones ordinarias subyacentes a unidades de colocación privada. Cada derecho es intercambiable por una séptima parte de una acción ordinaria. El formulario señala que, después del ejercicio total por parte del colocador de su opción de sobreasignación para comprar 1,080,000 unidades el 07/08/2025, ninguna de dichas acciones está sujeta a pérdida. La fecha del evento es 08/05/2025 y el Form 3 fue firmado por Ping Zhang, Managing Member, el 08/11/2025.

Whiteowl Holdings LLC는 Quantumsphere Acquisition Corp (QUMSU)의 3,126,650 보통주를 직접 보유하고 있으며, 보통주 32,664주에 해당하는 권리에 대한 수익적 이익을 보유하고 있다고 보고했습니다.

신고서에 따르면 보유 내역에는 발행인의 기업공개 이전에 취득한 2,898,000주와 사모 배정 단위에 기초한 228,650 보통주가 포함됩니다. 각 권리는 보통주 1주의 1/7로 교환 가능합니다. 서류는 인수인이 2025년 8월 7일에 초과배정 옵션을 전부 행사하여 1,080,000 단위를 매입한 이후에는 그러한 주식이 몰수되지 않는다고 명시합니다. 사건 일자는 08/05/2025이며, Ping Zhang, Managing Member가 08/11/2025에 Form 3에 서명했습니다.

Whiteowl Holdings LLC a déclaré la propriété directe de 3,126,650 actions ordinaires de Quantomsphere Acquisition Corp (QUMSU) et un intérêt bénéficiaire dans des droits équivalant à 32,664 actions ordinaires.

Le dépôt indique que les avoirs comprennent 2,898,000 actions acquises avant l'introduction en bourse de l'émetteur et 228,650 actions ordinaires sous-jacentes à des unités de placement privé. Chaque droit est échangeable contre un septième d'une action ordinaire. Le formulaire note qu'après l'exercice intégral par le souscripteur de son option de surallocation pour acheter 1,080,000 unités le 07/08/2025, aucune de ces actions n'est sujette à confiscation. La date de l'événement est le 08/05/2025 et le Form 3 a été signé par Ping Zhang, Managing Member, le 08/11/2025.

Whiteowl Holdings LLC meldete das unmittelbare Eigentum an 3,126,650 Stammaktien von Quantumsphere Acquisition Corp (QUMSU) und ein wirtschaftliches Interesse an Rechten, die 32,664 Stammaktien entsprechen.

Die Einreichung besagt, dass die Bestände 2,898,000 Aktien umfassen, die vor dem Börsengang des Emittenten erworben wurden, sowie 228,650 Stammaktien, die zugrunde liegende Einheiten einer Privatplatzierung sind. Jedes Recht ist gegen ein Siebtel einer Stammaktie tauschbar. Das Formular weist darauf hin, dass nach der vollständigen Ausübung der Mehrzuteilungsoption durch den Underwriter zum Kauf von 1,080,000 Einheiten am 07.08.2025 keine dieser Aktien einem Verfall unterliegen. Das Ereignisdatum ist 08/05/2025 und das Form 3 wurde von Ping Zhang, Managing Member, am 08/11/2025 unterzeichnet.

Positive
  • Clear disclosure of direct beneficial ownership totaling 3,126,650 ordinary shares
  • Detailed breakdown showing 2,898,000 shares acquired pre-IPO and 228,650 shares from private placement units
  • Conversion mechanics clarified: each private-placement right is exchangeable for one-seventh of one ordinary share
  • Confirms no forfeiture of shares after underwriter's full exercise of a 1,080,000-unit over-allotment on August 7, 2025
Negative
  • None.

Insights

TL;DR: Whiteowl reports a material director stake and convertible rights; disclosure is routine but clarifies ownership and conversion mechanics.

The Form 3 documents that Whiteowl Holdings LLC directly holds 3,126,650 ordinary shares and rights that convert to 32,664 ordinary shares. It specifies the provenance of those shares: 2,898,000 acquired before the IPO and 228,650 from private placement units. The filing also records the underwriter's full exercise of a 1,080,000-unit over-allotment on August 7, 2025, after which the disclosed shares are not subject to forfeiture. This disclosure provides precise, actionable ownership and conversion figures for investors and registrants without offering additional financial metrics.

TL;DR: Director-level ownership and private-placement rights are clearly reported; signature and filing indicate standard Section 16 compliance.

The Form 3 shows the reporting person relationship as Director and that the filing was made by one reporting person. Signature by Ping Zhang, Managing Member, and inclusion of the event date 08/05/2025 complete required attestations. The form also explains the conversion mechanism for private-placement rights (one-seventh of a share per right) and confirms no forfeiture following the over-allotment exercise. The disclosure meets typical Section 16 transparency expectations for insider ownership reporting.

Whiteowl Holdings LLC ha dichiarato la proprietà diretta di 3,126,650 azioni ordinarie di Quantumsphere Acquisition Corp (QUMSU) e un interesse beneficiario in diritti equivalenti a 32,664 azioni ordinarie.

La comunicazione indica che le partecipazioni comprendono 2,898,000 azioni acquisite prima dell'offerta pubblica iniziale dell'emittente e 228,650 azioni ordinarie sottostanti unità di collocamento privato. Ciascun diritto è convertibile in un settimo di una azione ordinarie. La nota precisa che, dopo l'esercizio integrale da parte dell'intermediario della sua opzione di sovrallocazione per acquistare 1,080,000 unità in data 07/08/2025, nessuna di tali azioni è soggetta a decadenza. La data dell'evento è 08/05/2025 e il Form 3 è stato firmato da Ping Zhang, Managing Member, il 08/11/2025.

Whiteowl Holdings LLC informó la propiedad directa de 3,126,650 acciones ordinarias de Quantumsphere Acquisition Corp (QUMSU) y un interés beneficiario en derechos equivalentes a 32,664 acciones ordinarias.

La presentación indica que las tenencias incluyen 2,898,000 acciones adquiridas antes de la oferta pública inicial del emisor y 228,650 acciones ordinarias subyacentes a unidades de colocación privada. Cada derecho es intercambiable por una séptima parte de una acción ordinaria. El formulario señala que, después del ejercicio total por parte del colocador de su opción de sobreasignación para comprar 1,080,000 unidades el 07/08/2025, ninguna de dichas acciones está sujeta a pérdida. La fecha del evento es 08/05/2025 y el Form 3 fue firmado por Ping Zhang, Managing Member, el 08/11/2025.

Whiteowl Holdings LLC는 Quantumsphere Acquisition Corp (QUMSU)의 3,126,650 보통주를 직접 보유하고 있으며, 보통주 32,664주에 해당하는 권리에 대한 수익적 이익을 보유하고 있다고 보고했습니다.

신고서에 따르면 보유 내역에는 발행인의 기업공개 이전에 취득한 2,898,000주와 사모 배정 단위에 기초한 228,650 보통주가 포함됩니다. 각 권리는 보통주 1주의 1/7로 교환 가능합니다. 서류는 인수인이 2025년 8월 7일에 초과배정 옵션을 전부 행사하여 1,080,000 단위를 매입한 이후에는 그러한 주식이 몰수되지 않는다고 명시합니다. 사건 일자는 08/05/2025이며, Ping Zhang, Managing Member가 08/11/2025에 Form 3에 서명했습니다.

Whiteowl Holdings LLC a déclaré la propriété directe de 3,126,650 actions ordinaires de Quantomsphere Acquisition Corp (QUMSU) et un intérêt bénéficiaire dans des droits équivalant à 32,664 actions ordinaires.

Le dépôt indique que les avoirs comprennent 2,898,000 actions acquises avant l'introduction en bourse de l'émetteur et 228,650 actions ordinaires sous-jacentes à des unités de placement privé. Chaque droit est échangeable contre un septième d'une action ordinaire. Le formulaire note qu'après l'exercice intégral par le souscripteur de son option de surallocation pour acheter 1,080,000 unités le 07/08/2025, aucune de ces actions n'est sujette à confiscation. La date de l'événement est le 08/05/2025 et le Form 3 a été signé par Ping Zhang, Managing Member, le 08/11/2025.

Whiteowl Holdings LLC meldete das unmittelbare Eigentum an 3,126,650 Stammaktien von Quantumsphere Acquisition Corp (QUMSU) und ein wirtschaftliches Interesse an Rechten, die 32,664 Stammaktien entsprechen.

Die Einreichung besagt, dass die Bestände 2,898,000 Aktien umfassen, die vor dem Börsengang des Emittenten erworben wurden, sowie 228,650 Stammaktien, die zugrunde liegende Einheiten einer Privatplatzierung sind. Jedes Recht ist gegen ein Siebtel einer Stammaktie tauschbar. Das Formular weist darauf hin, dass nach der vollständigen Ausübung der Mehrzuteilungsoption durch den Underwriter zum Kauf von 1,080,000 Einheiten am 07.08.2025 keine dieser Aktien einem Verfall unterliegen. Das Ereignisdatum ist 08/05/2025 und das Form 3 wurde von Ping Zhang, Managing Member, am 08/11/2025 unterzeichnet.

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*
Whiteowl Holdings LLC

(Last) (First) (Middle)
WHITEOWL HOLDINGS LLC 1201
ORANGE STREET, SUITE 600, WILMINGTON

(Street)
DELAWARE DE 19801

(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)
Director X 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)
Ordinary Shares, par value $0.0001 per share 3,126,650(1) D(1)
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) D
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.
/s/ Ping Zhang, Managing Member of Whiteowl Holdings LLC 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 holdings did Whiteowl Holdings LLC report in QUMSU on the Form 3?

The Form 3 reports 3,126,650 ordinary shares (direct) and rights that convert to 32,664 ordinary shares.

When is the event date reported on the Form 3 for QUMSU?

The event date requiring the statement is 08/05/2025.

How many shares were acquired prior to the issuer's IPO according to the filing?

The filing states 2,898,000 ordinary shares were acquired prior to the issuer's initial public offering.

What is the conversion ratio for the private placement rights disclosed in the Form 3?

Each right is exchangeable for one-seventh of one ordinary share upon completion of the issuer's initial business combination.

Who signed the Form 3 and when was it signed?

The Form 3 was signed by Ping Zhang, Managing Member of Whiteowl Holdings LLC, on 08/11/2025.
QUANTUMSPHERE ACQUISITION CO

NASDAQ:QUMSU

QUMSU Rankings

QUMSU Latest News

QUMSU Latest SEC Filings

QUMSU Stock Data

6.00M