Westin Investment Co. Ltd. - 29 Oct 2025 Form 3 Insider Report for Westin Acquisition Corp (WSTN)

Role: 10%+ Owner
Signature: /s/ Kok Peng Na, CEO of Westin Investment Co. Ltd.
Issuer symbol: WSTN
Transactions as of: 29 Oct 2025
Net transactions value: $0
Form type: 3
Filing time: 10 Dec 2025, 17:12:39 UTC
SEC: View on sec.gov

Reporting Owners (1)

Name	Relationship	Address	Signature	Signature date	CIK
Westin Investment Co. Ltd.	10%+ Owner	C/O WESTIN ACQUISITION CORP, SUITE 1165-L 3 COLEMAN STREET #03-24, SINGAPORE, SINGAPORE	/s/ Kok Peng Na, CEO of Westin Investment Co. Ltd.	10 Dec 2025	0002076660

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
holding	WSTNU	Ordinary Shares, par value $0.0001 per share						2,232,500	29 Oct 2025	Direct	F1

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Underlying Class	Amount	Exercise Price	Ownership	Footnotes
holding	WSTNU	Rights							29 Oct 2025	Ordinary Shares	39,166		Direct	F2

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
F1	Includes 2,012,500 Class B ordinary shares (of which 262,500 Class B ordinary shares are subject to forfeiture based on the underwriters' exercise of their overallotment option) and 220,000 Class A ordinary shares underlying the private placement units, which were sold in a private placement taking place simultaneously with the Westin Acquisition Corp's initial public offering.
F2	Includes 235,000 rights underlying the private placement units, which were sold in a private placement taking place simultaneously with the Westin Acquisition Corp's initial public offering. Each right is exchangeable for one-sixth (1/6) of one Class A ordinary share upon the completion of Westin Acquisition Corp's initial business combination.