HOOPP (GPAC) holds 1,150,000 Class A shares, 4.9% of float

Rhea-AI Filing Summary

Healthcare of Ontario Pension Plan Trust Fund (HOOPP) filed Amendment No. 1 to a Schedule 13G, reporting beneficial ownership of 1,150,000 Class A ordinary shares of General Purpose Acquisition Corp. The filing states this equals 4.9% of the Class A shares based on 23,660,000 shares issued and outstanding as of March 27, 2026. The filing lists HOOPP's sole voting and dispositive power over the shares and includes a regulatory-comparability certification. The certification is signed by Abas Kanu, VP, HOOPP Compliance Officer, dated May 14, 2026.

Insights

Institutional Ownership Specialist

HOOPP reports a passive 4.9% stake in GPAC with sole voting and dispositive power.

HOOPP discloses ownership of 1,150,000 Class A shares, representing 4.9% of the reported 23,660,000 outstanding as of March 27, 2026. The filing is an amendment to a Schedule 13G, indicating passive investor status under the reporting framework.

The submission includes a regulatory-comparability certification and is signed by HOOPP compliance. Subsequent filings would show any change in percent ownership or voting authority.

Key Figures

Shares owned: 1,150,000 shares Percent of class: 4.9% Shares outstanding (reference): 23,660,000 shares

3 metrics

Shares owned 1,150,000 shares Beneficially owned by HOOPP as reported on the Schedule 13G/A

Percent of class 4.9% Percentage ownership based on 23,660,000 Class A shares outstanding as of March 27, 2026

Shares outstanding (reference) 23,660,000 shares Class A Shares issued and outstanding as reported in GPAC Form 10-K filed March 27, 2026

Key Terms

Schedule 13G/A, beneficial ownership, sole dispositive power

3 terms

Schedule 13G/A regulatory

"Amendment No. 1 to a Schedule 13G in the header"

A Schedule 13G/A is an amended public filing with the U.S. securities regulator that updates a previous Schedule 13G, disclosing when an individual or group holds a substantial (typically over 5%) stake in a company and is claiming a passive, non‑controlling intent. Investors monitor these updates because rising or falling holdings can signal changing confidence, potential future moves, or shifts in voting power — like watching a public ledger where large shareholders quietly adjust their positions.

beneficial ownership financial

"Amount beneficially owned: See Item 9 on page 2."

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.

sole dispositive power regulatory

"Sole Dispositive Power 1,150,000.00 listed in Item 5–8 fields"

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.

SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

SCHEDULE 13G

UNDER THE SECURITIES EXCHANGE ACT OF 1934

(Amendment No. 1)

General Purpose Acquisition Corp.

(Name of Issuer)

Class A Ordinary Shares, $0.0001 par value

(Title of Class of Securities)

G3810N106

(CUSIP Number)

03/31/2026

(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): G3810N106

1

Names of Reporting Persons

Healthcare of Ontario Pension Plan Trust Fund

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 1,150,000.00
6	Shared Voting Power 0.00
7	Sole Dispositive Power 1,150,000.00
8	Shared Dispositive Power 0.00

9

Aggregate Amount Beneficially Owned by Each Reporting Person

1,150,000.00

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)

4.9 %

12

Type of Reporting Person (See Instructions)

FI

Comment for Type of Reporting Person: In reference to Rows 5, 7 and 9 above, amount consists of Class A ordinary shares, $0.0001 par value ("Class A Shares"), of General Purpose Acquisition Corp., a blank check company formed under the laws of the Cayman Islands (the "Issuer"). In reference to Row 11 above, percentage ownership is based on 23,660,000 Class A Shares issued and outstanding as of March 27, 2026, as reported on the Issuer's annual report on Form 10-K for the year ended on December 31, 2025, filed with the Securities and Exchange Commission on March 27, 2026.

SCHEDULE 13G

Item 1.
(a)	Name of issuer: General Purpose Acquisition Corp.
(b)	Address of issuer's principal executive offices: 59 Front Street, Millbrook, NY 12545
Item 2.
(a)	Name of person filing: Healthcare of Ontario Pension Plan Trust Fund ("HOOPP")
(b)	Address or principal business office or, if none, residence: 1 York Street, Suite 1900, Toronto, Ontario, Canada, M5J 0B6
(c)	Citizenship: Ontario, Canada
(d)	Title of class of securities: Class A Ordinary Shares, $0.0001 par value
(e)	CUSIP No.: G3810N106
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).
	A pension plan formed as a trust under the laws of Ontario, Canada and registered with the Financial Services Regulatory Authority of Ontario.
Item 4.	Ownership
(a)	Amount beneficially owned: See Item 9 on page 2.
(b)	Percent of class: See Item 11 on page 2.
(c)	Number of shares as to which the person has:
	(i) Sole power to vote or to direct the vote: See Item 5 on page 2.
	(ii) Shared power to vote or to direct the vote: See Item 6 on page 2.
	(iii) Sole power to dispose or to direct the disposition of: See Item 7 on page 2.
	(iv) Shared power to dispose or to direct the disposition of: See Item 8 on page 2.
Item 5.	Ownership of 5 Percent or Less of a Class.
	Ownership of 5 percent or less of a class
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. By signing below I certify that, to the best of my knowledge and belief, the regulatory scheme applicable to a pension plan formed as a trust under the laws of Ontario, Canada and registered with the Financial Services Regulatory Authority of Ontario is substantially comparable to the regulatory scheme applicable to the functionally equivalent U.S. institution(s). I also undertake to furnish to the Securities and Exchange 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.

Healthcare of Ontario Pension Plan Trust Fund

Signature:	/s/ Abas Kanu
Name/Title:	Abas Kanu, VP, HOOPP Compliance Officer
Date:	05/14/2026

FAQ

What stake does HOOPP report in General Purpose Acquisition Corp. (GPAC)?

HOOPP reports beneficial ownership of 1,150,000 Class A shares, equal to 4.9% of GPAC's Class A shares based on 23,660,000 outstanding as of March 27, 2026. The filing is an amendment to a Schedule 13G.

Does HOOPP have voting control over the GPAC shares?

Yes. The filing states HOOPP has sole voting power and sole dispositive power over the 1,150,000 Class A shares, as shown in the Item 5–8 ownership fields on the Schedule 13G/A.

What document reports the outstanding share count used in HOOPP's percentage calculation?

The 4.9% is calculated using 23,660,000 Class A Shares outstanding, as reported in GPAC's annual report on Form 10-K for the year ended December 31, 2025, filed with the SEC on March 27, 2026.

When was HOOPP's Schedule 13G/A amendment signed and by whom?

The amendment is signed by Abas Kanu, VP, HOOPP Compliance Officer, with the signature date shown as May 14, 2026 on the filing's signature block.

Does this Schedule 13G/A indicate active control or an intent to influence GPAC?

The filing is a Schedule 13G amendment, which typically reports passive ownership; it does not state any intent to influence or change control and contains a regulatory-comparability certification by HOOPP's compliance officer.