Mizuho Financial Group (APUR) reports 8.6% beneficial stake in Aperture

Rhea-AI Filing Summary

Mizuho Financial Group, Inc., as a parent holding company based in Japan, reports beneficial ownership of common shares of Aperture (APUR). It holds 945,000 common shares, representing 8.6% of the class. Mizuho has sole voting and sole dispositive power over all 945,000 shares, with no shared voting or dispositive power. The shares are directly held by Mizuho Securities USA LLC, a wholly owned subsidiary, and Mizuho Financial Group, Inc., Mizuho Bank, Ltd., and Mizuho Americas LLC may be deemed indirect beneficial owners of these equity securities.

Key Figures

Beneficially owned shares: 945,000 shares Percent of class: 8.6% Sole voting power: 945,000 shares +3 more

6 metrics

Beneficially owned shares 945,000 shares Common Shares of Aperture beneficially owned by Mizuho Financial Group, Inc.

Percent of class 8.6% Percentage of Aperture common share class held by Mizuho Financial Group, Inc.

Sole voting power 945,000 shares Shares for which Mizuho has sole power to vote or direct the vote

Sole dispositive power 945,000 shares Shares for which Mizuho has sole power to dispose or direct disposition

Shared voting power 0 shares Shares with shared power to vote or direct the vote

Shared dispositive power 0 shares Shares with shared power to dispose or direct disposition

Key Terms

beneficially owned, sole voting power, sole dispositive power, Parent Holding Company, +1 more

5 terms

beneficially owned financial

"Ownership (a) | Amount beneficially owned: 945,000"

Beneficially owned describes securities or assets where a person has the economic rights and control—such as the right to receive dividends and to direct voting—even if legal title is held in another name. Think of it like having the keys and using a car that’s registered to someone else: you get the benefits and make decisions. Investors care because beneficial ownership reveals who truly controls value and voting power, affecting corporate decisions and takeover dynamics.

sole voting power financial

"Sole power to vote or to direct the vote: 945,000"

Sole voting power is the exclusive right to cast votes attached to a shareholder’s stock without needing approval from anyone else. Like holding the only remote control for a TV, it lets that holder decide corporate matters such as board members, mergers, and policy changes, making it important to investors because it concentrates control and can strongly influence a company’s strategy and the value of its shares.

sole dispositive power financial

"Sole power to dispose or to direct the disposition of: 945,000"

Sole dispositive power is the exclusive legal authority to decide what happens to a security — for example, whether to sell, transfer, or retain shares — without needing anyone else’s permission. Investors care because it signals who truly controls the economic outcome of an investment: like holding the only key to a safe, the holder can realize gains or losses and may trigger regulatory reporting, insider rules, or influence over corporate ownership.

Parent Holding Company financial

"CUSIP Number(s): G0474D101 | Parent Holding Company"

indirect beneficial owners financial

"may be deemed to be indirect beneficial owners of said equity securities"

FAQ

What percentage of Aperture (APUR) does Mizuho Financial Group own?

Mizuho Financial Group reports beneficial ownership of 8.6% of Aperture’s common shares. This stake corresponds to 945,000 shares and gives Mizuho significant influence via sole voting and dispositive power over all of these shares.

How many Aperture (APUR) shares does Mizuho Financial Group control?

Mizuho Financial Group controls 945,000 common shares of Aperture. It holds sole voting and sole dispositive power over all of these shares, with no shared voting or disposition authority reported for this position.

Does Mizuho Financial Group share voting power on its Aperture (APUR) stake?

No. Mizuho Financial Group reports 945,000 Aperture shares with sole voting power and 0 shares with shared voting power. It also has sole dispositive power over all 945,000 shares and no shared dispositive power.

Which entity directly holds Mizuho’s Aperture (APUR) shares?

The Aperture shares are directly held by Mizuho Securities USA LLC. Mizuho Financial Group, Inc., Mizuho Bank, Ltd., and Mizuho Americas LLC may be deemed indirect beneficial owners because Mizuho Securities USA LLC is their wholly owned subsidiary.

What is the class and CUSIP of the Aperture (APUR) securities held by Mizuho?

Mizuho’s position is in Aperture Common Shares with CUSIP G0474D101. The reported holding of 945,000 common shares represents 8.6% of this class, all under Mizuho’s sole voting and dispositive power.

Where is Mizuho Financial Group, owner of Aperture (APUR) shares, based?

Mizuho Financial Group is organized in Japan, with a principal business office at 1-5-5, Otemachi, Chiyoda-ku, Tokyo, 100-8176, Japan. It reports beneficial ownership of 945,000 Aperture common shares, or 8.6% of the class.

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Available on EDGAR 08/13/2026 - 06:49 AM Accepted by SEC EDGAR 08/13/2026 - 06:49 AM Learn about SEC filing dates

SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

SCHEDULE 13G

UNDER THE SECURITIES EXCHANGE ACT OF 1934

Aperture AC

(Name of Issuer)

Common Shares

(Title of Class of Securities)

G0474D101

(CUSIP Number)

06/30/2026

(Date of Event Which Requires Filing of this Statement)

Check the appropriate box to designate the rule pursuant to which this Schedule is filed:

Rule 13d-1(b)

Rule 13d-1(c)

Rule 13d-1(d)

schemaVersion:

SCHEDULE 13G

CUSIP Number(s): G0474D101

1

Names of Reporting Persons

Mizuho Financial Group, Inc.

2

Check the appropriate box if a member of a Group (see instructions)

(a)
(b)

3

Sec Use Only

4

Citizenship or Place of Organization

JAPAN

Number of Shares Beneficially Owned by Each Reporting Person With:

5	Sole Voting Power 945,000.00
6	Shared Voting Power 0.00
7	Sole Dispositive Power 945,000.00
8	Shared Dispositive Power 0.00

9

Aggregate Amount Beneficially Owned by Each Reporting Person

945,000.00

10

Check box if the aggregate amount in row (9) excludes certain shares (See Instructions)

11

Percent of class represented by amount in row (9)

8.6 %

12

Type of Reporting Person (See Instructions)

FI

Comment for Type of Reporting Person: Mizuho Financial Group, Inc., Mizuho Bank, Ltd. and Mizuho Americas LLC may be deemed to be indirect beneficial owners of said equity securities directly held by Mizuho Securities USA LLC which is their wholly-owned subsidiary.

SCHEDULE 13G

Item 1.
(a)	Name of issuer: Aperture AC
(b)	Address of issuer's principal executive offices: 835 Wilshire Blvd. 5th Floor, Los Angeles, CA 90017
Item 2.
(a)	Name of person filing: Mizuho Financial Group, Inc.
(b)	Address or principal business office or, if none, residence: 1-5-5, Otemachi, Chiyoda-ku, Tokyo, 100-8176, Japan
(c)	Citizenship: Japan
(d)	Title of class of securities: Common Shares
(e)	CUSIP Number(s): G0474D101
Item 3.	If this statement is filed pursuant to §§ 240.13d-1(b) or 240.13d-2(b) or (c), check whether the person filing is a:
(a)	Broker or dealer registered under section 15 of the Act (15 U.S.C. 78o);
(b)	Bank as defined in section 3(a)(6) of the Act (15 U.S.C. 78c);
(c)	Insurance company as defined in section 3(a)(19) of the Act (15 U.S.C. 78c);
(d)	Investment company registered under section 8 of the Investment Company Act of 1940 (15 U.S.C. 80a-8);
(e)	An investment adviser in accordance with § 240.13d-1(b)(1)(ii)(E);
(f)	An employee benefit plan or endowment fund in accordance with § 240.13d-1(b)(1)(ii)(F);
(g)	A parent holding company or control person in accordance with § 240.13d-1(b)(1)(ii)(G);
(h)	A savings associations as defined in Section 3(b) of the Federal Deposit Insurance Act (12 U.S.C. 1813);
(i)	A church plan that is excluded from the definition of an investment company under section 3(c)(14) of the Investment Company Act of 1940 (15 U.S.C. 80a-3);
(j)	A non-U.S. institution in accordance with § 240.13d-1(b)(1)(ii)(J). If filing as a non-U.S. institution in accordance with § 240.13d-1(b)(1)(ii)(J), please specify the type of institution:
(k)	Group, in accordance with Rule 240.13d-1(b)(1)(ii)(K).
	Parent Holding Company
Item 4.	Ownership
(a)	Amount beneficially owned: 945,000
(b)	Percent of class: 8.6 %
(c)	Number of shares as to which the person has:
	(i) Sole power to vote or to direct the vote: 945,000
	(ii) Shared power to vote or to direct the vote: 0
	(iii) Sole power to dispose or to direct the disposition of: 945,000
	(iv) Shared power to dispose or to direct the disposition of: 0
Item 5.	Ownership of 5 Percent or Less of a Class.
	Not Applicable
Item 6.	Ownership of more than 5 Percent on Behalf of Another Person.
	Not Applicable
Item 7.	Identification and Classification of the Subsidiary Which Acquired the Security Being Reported on by the Parent Holding Company or Control Person.
	If a parent holding company has filed this schedule, pursuant to Rule 13d-1(b)(ii)(G), so indicate under Item 3(g) and attach an exhibit stating the identity and the Item 3 classification of the relevant subsidiary. If a parent holding company has filed this schedule pursuant to Rule 13d-1(c) or Rule 13d-1(d), attach an exhibit stating the identification of the relevant subsidiary. See Exhibit A
Item 8.	Identification and Classification of Members of the Group.
	Not Applicable
Item 9.	Notice of Dissolution of Group.
	Not Applicable

Item 10.

Certifications:

By signing below I certify that, to the best of my knowledge and belief, the securities referred to above were acquired and are held in the ordinary course of business and were not acquired and are not held for the purpose of or with the effect of changing or influencing the control of the issuer of the securities and were not acquired and are not held in connection with or as a participant in any transaction having that purpose or effect, other than activities solely in connection with a nomination under § 240.14a-11. By signing below I certify that, to the best of my knowledge and belief, the foreign regulatory scheme applicable to Parent Holding Company is substantially comparable to the regulatory scheme applicable to the functionally equivalent U.S. institution(s). I also undertake to furnish to the Commission staff, upon request, information that would otherwise be disclosed in a Schedule 13D.

SIGNATURE

After reasonable inquiry and to the best of my knowledge and belief, I certify that the information set forth in this statement is true, complete and correct.

Mizuho Financial Group, Inc.

Signature:	/s/ Takahiro Katsura
Name/Title:	Takahiro Katsura, Managing Director, Global Corporate Function Coordination Department
Date:	08/13/2026