Polar Asset Management reports 7.5% stake in Aperture

Polar Asset Management Partners Inc., an Ontario, Canada-based investment advisor, reported beneficial ownership of Class A Ordinary Shares of Aperture AC.

Rhea-AI Filing Summary

Polar Asset Management Partners Inc., an Ontario, Canada-based investment advisor, reported beneficial ownership of Class A Ordinary Shares of Aperture AC. Polar acts as investment advisor to Polar Multi-Strategy Master Fund, which directly holds the position.

Polar reported beneficial ownership of 825,000 Class A Ordinary Shares of Aperture AC, representing 7.5% of the class as of June 30, 2026. Polar has sole voting power and sole dispositive power over all 825,000 shares, with no shared voting or dispositive power disclosed.

Key Figures

Shares beneficially owned: 825,000 shares Percent of class owned: 7.5% Sole voting power: 825,000 shares +2 more

5 metrics

Shares beneficially owned 825,000 shares Class A Ordinary Shares of Aperture AC as of June 30, 2026

Percent of class owned 7.5% Ownership percentage of Aperture AC Class A Ordinary Shares

Sole voting power 825,000 shares Shares over which Polar has sole power to vote or direct the vote

Sole dispositive power 825,000 shares Shares over which Polar has sole power to dispose or direct disposition

Par value per share $0.0001 per share Par value of Aperture AC Class A Ordinary Shares

Key Terms

beneficially owned, Sole voting power, Sole dispositive power, Schedule 13G, +1 more

5 terms

beneficially owned financial

"Item 4. | Ownership (a) | Amount beneficially owned: 825000"

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

"Number of shares as to which the person has | (i) Sole power to vote"

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

"(iii) Sole power to dispose or to direct the disposition of: 825000"

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.

Schedule 13G regulatory

""CONTENT METADATA" shows form_type": "SCHEDULE 13G""

A Schedule 13G is a formal document that investors file with the government when they acquire a large ownership stake in a company, usually for investment purposes rather than control. It helps keep the public informed about who owns significant parts of a company's shares, which can influence how the company is managed and how investors make decisions. Filing this schedule is important for transparency and understanding the ownership landscape of publicly traded companies.

CUSIP Number financial

"(e) | CUSIP Number(s): G0474D101"

A CUSIP number is a nine-character code that uniquely identifies a specific U.S. or Canadian stock, bond, or other security, similar to a barcode or a social-security number for a financial instrument. It matters to investors because it removes confusion between similar securities, ensures trades and settlements are applied to the correct issue, and helps locate official documents and transaction records quickly.

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What ownership stake in APUR does Polar Asset Management Partners Inc. report?

Polar Asset Management Partners Inc. reports beneficial ownership of 825,000 Class A Ordinary Shares of Aperture AC, representing 7.5% of the outstanding class as of June 30, 2026, with sole voting and dispositive power over these shares.

Who is the reporting person in the Aperture AC (APUR) Schedule 13G filing?

The reporting person is Polar Asset Management Partners Inc., an investment advisor incorporated under the laws of Ontario, Canada. It serves as investment advisor to Polar Multi-Strategy Master Fund, which directly holds the Aperture AC shares.

How many APUR shares does Polar Asset Management Partners Inc. control the voting for?

Polar Asset Management Partners Inc. reports sole power to vote or direct the vote over 825,000 shares of Aperture AC and no shared voting power, indicating full voting control over its reported position.

Does Polar Asset Management Partners Inc. share dispositive power over APUR shares?

No. Polar Asset Management Partners Inc. reports sole dispositive power over 825,000 Aperture AC shares and zero shared dispositive power, meaning it alone can determine when or if these shares are sold or transferred.

What type of securities in APUR are reported in this Schedule 13G?

The filing concerns Class A Ordinary Shares of Aperture AC, each with a par value of $0.0001 per share. Polar Asset Management Partners Inc. reports its beneficial ownership and control over these equity securities.

What is the CUSIP for Aperture AC (APUR) Class A Ordinary Shares reported by Polar?

The CUSIP for the Aperture AC Class A Ordinary Shares reported in this Schedule 13G is G0474D101, identifying the specific securities held by Polar Multi-Strategy Master Fund under Polar Asset Management Partners Inc.’s advisement.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Available on EDGAR 08/14/2026 - 03:56 PM Accepted by SEC EDGAR 08/14/2026 - 03:55 PM 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)

Class A Ordinary Shares, par value $0.0001 per share

(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

Polar Asset Management Partners 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

ONTARIO, CANADA

Number of Shares Beneficially Owned by Each Reporting Person With:

5	Sole Voting Power 825,000.00
6	Shared Voting Power 0.00
7	Sole Dispositive Power 825,000.00
8	Shared Dispositive Power 0.00

9

Aggregate Amount Beneficially Owned by Each Reporting Person

825,000.00

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)

7.5 %

12

Type of Reporting Person (See Instructions)

IA

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, California, 90017
Item 2.
(a)	Name of person filing: This statement is filed by Polar Asset Management Partners Inc., a company incorporated under the laws of Ontario, Canada, which serves as the investment advisor to Polar Multi-Strategy Master Fund, a Cayman Islands exempted company ("PMSMF") with respect to the shares directly held by PMSMF.
(b)	Address or principal business office or, if none, residence: 16 York Street, Suite 2900, Toronto, Ontario, M5J 0E6
(c)	Citizenship: Canada
(d)	Title of class of securities: Class A Ordinary Shares, par value $0.0001 per share
(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).
	The Reporting Person is an investment fund manager, portfolio manager, exempt market dealer and commodity trading manager registered with the Ontario Securities Commission.
Item 4.	Ownership
(a)	Amount beneficially owned: 825000
(b)	Percent of class: 7.5 %
(c)	Number of shares as to which the person has:
	(i) Sole power to vote or to direct the vote: 825000
	(ii) Shared power to vote or to direct the vote: 0
	(iii) Sole power to dispose or to direct the disposition of: 825000
	(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.
	Not Applicable
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.

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.

Polar Asset Management Partners Inc.

Signature:	Andrew Ma
Name/Title:	Chief Compliance Officer
Date:	08/14/2026