Aperture AC (NASDAQ: APUR) sponsor buys 223,000 Class A shares in private placement units

Rhea-AI Filing Summary

Aperture Sponsor LLC, the sponsor of Aperture AC, purchased 223,000 Class A ordinary shares at $10 per share in an open-market/private transaction. According to the footnotes, these shares are included in 223,000 private placement units, each unit consisting of one Class A ordinary share and one right to receive one-fourth of a Class A share upon completion of Aperture AC’s initial business combination.

The sponsor also holds 3,828,082 Class B ordinary shares, which will automatically convert into Class A ordinary shares on a one-for-one basis at the time of the initial business combination, or earlier at the holder’s option, subject to specified adjustments. CEO Calvin Kung is the managing member of the sponsor, may be deemed to beneficially own these securities, but disclaims beneficial ownership except to the extent of his pecuniary interest.

Insider Trade Summary

Net Buyer: 223,000 shares ($2,230,000)

Net Buy 1 txn

Insider Aperture Sponsor LLC, Kung Calvin

Role null | Chief Executive Officer

Bought 223,000 shs ($2.23M)

Type	Security	Shares	Price	Value
Purchase	Class A ordinary shares	223,000	$10.00	$2.23M

Holdings After Transaction: Class A ordinary shares — 223,000 shares (Direct, null)

Footnotes (1)

1. Reflects the 223,000 Class A ordinary shares of Aperture AC (the "Issuer") that are included in the 223,000 private placement units of the Issuer purchased by Aperture Sponsor LLC ("Sponsor"). Each private placement unit was purchased for $10 per unit and consists of one Class A ordinary share and one right to receive one-fourth (1/4) of one Class A ordinary share upon consummation of the Issuer's initial business combination. Does not include the 3,828,082 Class B ordinary shares held by the Sponsor (55,479 of which were returned to the Issuer for no consideration and cancelled in connection with the underwriters' partial exercise of the over-allotment option), which Class B ordinary shares will automatically convert into Class A ordinary shares at the time of the Issuer's initial business combination on a one-for-one basis, or at any time prior to the Issuer's initial business combination, at the option of the holder, subject to adjustment as described under the heading "Description of Securities - Founder Shares" in the Issuer's registration statement on Form S-1 (File No. 333-291583). The Sponsor is the record holder of the shares reported herein. Calvin Kung is the managing member of the Sponsor and holds voting and investment discretion with respect to the securities held by the Sponsor. As such, Mr. Kung may be deemed to have beneficial ownership of the securities held of record by the Sponsor. Mr. Kung disclaims any beneficial ownership except to the extent of their pecuniary interest therein.

Key Figures

Class A shares purchased: 223,000 shares Purchase price per unit/share: $10.00 per unit Private placement units: 223,000 units +2 more

5 metrics

Class A shares purchased 223,000 shares Open-market/private purchase via private placement units

Purchase price per unit/share $10.00 per unit Price for each private placement unit containing one Class A share

Private placement units 223,000 units Each unit: one Class A share plus right to 1/4 Class A share

Class B founder shares held 3,828,082 shares Class B ordinary shares held by sponsor, convertible 1:1 to Class A

Class B shares returned 55,479 shares Returned to issuer and cancelled in connection with over-allotment

Key Terms

private placement units, Class B ordinary shares, initial business combination, over-allotment option, +1 more

5 terms

private placement units financial

"223,000 private placement units of the Issuer purchased by Aperture Sponsor LLC"

Class B ordinary shares financial

"Does not include the 3,828,082 Class B ordinary shares held by the Sponsor"

Class B ordinary shares are a type of ownership stake in a company that typically come with different voting rights or privileges compared to other share classes. For investors, they represent a way to hold part of the company’s value and influence its decisions, often with fewer voting rights than Class A shares. Understanding these shares helps investors assess their level of control and potential returns within a company.

initial business combination financial

"upon consummation of the Issuer's initial business combination"

An initial business combination is the deal in which a special-purpose acquisition company (SPAC) merges with or acquires an operating business to bring that business onto public markets. Think of the SPAC as an empty shell that raises money from investors, then uses that cash to buy a private company—this transaction turns the private company into a public one and often changes its ownership, valuation, and access to capital, so investors should watch for shifts in risk, future growth prospects, and shareholder rights.

over-allotment option financial

"cancelled in connection with the underwriters' partial exercise of the over-allotment option"

An over-allotment option is a special agreement that allows underwriters to sell more shares than initially planned if demand is high. Think of it like a retailer offering extra units of a popular product to meet additional customer interest. This option helps ensure the full sale is completed and can also give investors extra shares if they want more.

beneficial ownership financial

"Mr. Kung may be deemed to have beneficial ownership of the securities"

Beneficial ownership means the person or entity that actually enjoys the benefits of owning shares or other assets — such as receiving dividends, voting rights, or price gains — even if the legal title is held in another name. For investors it matters because knowing who truly controls and profits from a company reveals who can influence decisions, exposes potential conflicts of interest or hidden concentration of power, and affects transparency and risk in the stock.

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Form 4 Insider Transactions: What Each Field Means →

SEC Form 4

FORM 4

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

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

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:			3235-0287
Estimated average burden
hours per response:			0.5

Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

Aperture Sponsor LLC

(Last) (First) (Middle)

1150 WEST OLYMPIC BOULEVARD, SUITE 1050

(Street)

LOS ANGELES CALIFORNIA 90064

(City) (State) (Zip)

UNITED STATES

(Country)

2. Issuer Name and Ticker or Trading Symbol
Aperture AC [ APUR ]

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

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

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
05/22/2026

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

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

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

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Class A ordinary shares	05/22/2026		P		223,000(1)(2)	A	$10	223,000	D(3)

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

1. Name and Address of Reporting Person^*

Aperture Sponsor LLC

(Last) (First) (Middle)

1150 WEST OLYMPIC BOULEVARD, SUITE 1050

(Street)

LOS ANGELES CALIFORNIA 90064

(City) (State) (Zip)

UNITED STATES

(Country)

Relationship of Reporting Person(s) to Issuer

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

1. Name and Address of Reporting Person^*

Kung Calvin

(Last) (First) (Middle)

C/O APERTURE AC

835 WILSHIRE BLVD., 5TH FLOOR

(Street)

LOS ANGELES CALIFORNIA 90017

(City) (State) (Zip)

UNITED STATES

(Country)

Relationship of Reporting Person(s) to Issuer

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

Explanation of Responses:

1. Reflects the 223,000 Class A ordinary shares of Aperture AC (the "Issuer") that are included in the 223,000 private placement units of the Issuer purchased by Aperture Sponsor LLC ("Sponsor"). Each private placement unit was purchased for $10 per unit and consists of one Class A ordinary share and one right to receive one-fourth (1/4) of one Class A ordinary share upon consummation of the Issuer's initial business combination.

2. Does not include the 3,828,082 Class B ordinary shares held by the Sponsor (55,479 of which were returned to the Issuer for no consideration and cancelled in connection with the underwriters' partial exercise of the over-allotment option), which Class B ordinary shares will automatically convert into Class A ordinary shares at the time of the Issuer's initial business combination on a one-for-one basis, or at any time prior to the Issuer's initial business combination, at the option of the holder, subject to adjustment as described under the heading "Description of Securities - Founder Shares" in the Issuer's registration statement on Form S-1 (File No. 333-291583).

3. The Sponsor is the record holder of the shares reported herein. Calvin Kung is the managing member of the Sponsor and holds voting and investment discretion with respect to the securities held by the Sponsor. As such, Mr. Kung may be deemed to have beneficial ownership of the securities held of record by the Sponsor. Mr. Kung disclaims any beneficial ownership except to the extent of their pecuniary interest therein.

	/s/ Calvin Kung, Managing Member of Aperture Sponsor LLC	05/27/2026
	/s/ Calvin Kung	05/27/2026
	** 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 4 (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.
* Form 4: SEC 1474 (03-26)

FAQ

What did Aperture Sponsor LLC report in this Form 4 for APURU?

Aperture Sponsor LLC reported buying 223,000 Class A ordinary shares of Aperture AC at $10 per share. The shares are part of 223,000 private placement units, each including one Class A share and a right to additional shares after the initial business combination.

How many shares did the Aperture AC sponsor buy and at what price?

The sponsor acquired 223,000 Class A ordinary shares at $10 per share. These shares come from 223,000 private placement units, where each unit consists of one Class A share plus a right to receive one-fourth of a Class A share after the business combination.

What additional rights are attached to the private placement units of APURU?

Each private placement unit includes a right to one-fourth of a Class A share. Investors receive one Class A ordinary share now and a fractional right that becomes a full share only after Aperture AC completes its initial business combination, according to the disclosure.

How many Class B shares of Aperture AC does the sponsor hold?

The sponsor holds 3,828,082 Class B ordinary shares, after returning 55,479 shares to Aperture AC for cancellation. These Class B shares will automatically convert into Class A ordinary shares on a one-for-one basis at the time of the initial business combination or earlier at the holder’s option.

What is CEO Calvin Kung’s relationship to the reported APURU shares?

CEO Calvin Kung is the managing member of Aperture Sponsor LLC and has voting and investment discretion over its securities. He may be deemed to beneficially own the sponsor’s holdings but disclaims beneficial ownership except for his pecuniary interest in those securities.

Do the founder Class B shares of Aperture AC automatically convert to Class A?

Yes, the 3,828,082 Class B ordinary shares held by the sponsor will convert into Class A ordinary shares on a one-for-one basis at the time of Aperture AC’s initial business combination, or earlier at the holder’s option, subject to the adjustment terms described.