Healthcare AI Acquisition (HAIAF) pushes Leading Group merger deadline to Oct 14, 2026

Rhea-AI Filing Summary

Healthcare AI Acquisition Corp. disclosed two key updates related to its pending business combination with Leading Group Limited. The company postponed its annual general meeting, originally scheduled for October 6, 2025, to October 10, 2025 at 9:00 a.m. EST. It also changed the last date by which it can complete its business combination with Leading Group Limited, moving the deadline from March 14, 2026 to October 14, 2026. The filing reiterates that the company previously entered into a business combination agreement with Leading Partners Limited and Leading Group Limited to complete a merger-style transaction.

Insights

SPAC and corporate actions analyst

SPAC extends its merger deadline and slightly delays its shareholder meeting.

Healthcare AI Acquisition Corp. is a special purpose acquisition company that has agreed to combine with Leading Group Limited and related entities. This update centers on governance and timing rather than new economic terms. The annual general meeting moves from October 6, 2025 to October 10, 2025 at 9:00 a.m. EST, which adjusts the decision date but not the transaction structure described earlier.

The company also extends the outside date to complete its business combination with Leading Group Limited from March 14, 2026 to October 14, 2026. That provides additional time for regulatory, documentation, and closing processes tied to the previously announced business combination agreement with Leading Partners Limited and Leading Group Limited. Actual completion will still depend on satisfying closing conditions and shareholder approvals described in the proxy materials.

8-K Event Classification

Item 8.01 — Other Events

1 item

Item 8.01 Other Events Other

Voluntary disclosure of events the company deems important to shareholders but not covered by other items.

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

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Accepted by SEC EDGAR 09/29/2025 - 04:17 PM Learn about SEC filing dates

FAQ

What did Healthcare AI Acquisition Corp. (HAIAF) announce in this 8-K?

The company reported that its annual general meeting has been postponed and that it changed the last date by which it can complete its business combination with Leading Group Limited, extending the deadline from March 14, 2026 to October 14, 2026.

When will Healthcare AI Acquisition Corp.’s rescheduled annual meeting take place?

The annual general meeting is now scheduled for October 10, 2025 at 9:00 a.m. EST, postponed from the original date of October 6, 2025.

How did Healthcare AI Acquisition Corp. change the deadline for its business combination with Leading Group Limited?

The company changed the last date to complete its business combination with Leading Group Limited from March 14, 2026 to October 14, 2026, allowing additional time to close the transaction.

Who are the parties to Healthcare AI Acquisition Corp.’s proposed business combination?

The proposed business combination involves Healthcare AI Acquisition Corp., Leading Partners Limited, a Cayman Islands exempted company with limited liability, and Leading Group Limited.

When did Healthcare AI Acquisition Corp. first enter into the business combination agreement?

The company previously reported on August 15, 2024 that it had entered into a business combination agreement with Leading Partners Limited and Leading Group Limited.

Does this 8-K change the economic terms of HAIAF’s business combination?

This disclosure focuses on postponing the annual meeting date and extending the outside date to complete the business combination; it does not describe changes to the economic terms of the transaction.

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UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 8-K

CURRENT REPORT

PURSUANT TO SECTION 13 OR 15(d) OF THE

SECURITIES EXCHANGE ACT OF 1934

Date of Report (Date of earliest event reported): September 29, 2025

HEALTHCARE AI ACQUISITION CORP.

(Exact name of registrant as specified in its charter)

Cayman Islands		001-41145		98-1585450
(State or other jurisdiction of incorporation)		(Commission File Number)		(IRS Employer Identification No.)

418 Broadway #6434

Albany NY 12207

(Address of principal executive offices, including zip code)

(917) 446-0469

(Registrant’s telephone number, including area code)

Not Applicable

(Former name or former address, if changed since last report)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:

	☐	Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)
	☐	Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)
	☐	Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))
	☐	Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Securities registered pursuant to Section 12(b) of the Act: NONE

Securities registered pursuant to Section 12(g) of the Act:

Title of each class		Trading Symbol(s)
Units, each consisting of one Class A Ordinary Share and one-half of one Redeemable Warrant		HAIUF
Class A Ordinary Share, par value $0.0001 per share		HAIAF
Warrant, each whole warrant exercisable for one Class A Ordinary Share for $11.50 per share		HAIWF

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter).

Emerging growth company ☒

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐

Item 8.01. Other Events.

On September 17, 2025, Healthcare AI Acquisition Corp. (the “Company”) filed a definitive proxy statement for its annual general meeting to be held on October 6, 2025 (the “Annual Meeting”).

On September 29, 2025, the Company filed a proxy supplement to announce that the Annual Meeting is postponed to October 10, 2025, at 9:00 a.m. EST, and to inform shareholders that it is changing the last date by which it can complete its business combination with Leading Group Limited, from March 14, 2026 to October 14, 2026. As previously reported on August 15, 2024, the Company entered into a business combination agreement with Leading Partners Limited, a Cayman Islands exempted company with limited liability, and Leading Group for purposes of completing a business combination.

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SIGNATURE

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

	HEALTHCARE AI ACQUISITION CORP.
Dated: September 29, 2025	By:	/s/ Jiande Chen
		Name: Jiande Chen
		Title: Chief Executive Officer

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