Chan Po Yi Patsy - 05 Jan 2026 Form 3 Insider Report for Black Spade Acquisition III Co

Reporting relationship: Director
Issuer ticker: BIII, BIII-UN, BIII-WT on NYSE
Reported as of: 05 Jan 2026
Net transaction value: $0
SEC form: 3
Accepted by SEC: 06 Jan 2026, 18:48:54 UTC
Prior SEC filing: 04 Jun 2025
Source filing: View source filing
Reporting owner signature: /s/ Chan Po Yi Patsy

Key filing fact

Chan Po Yi Patsy filed Form 3 for Black Spade Acquisition III Co on 06 Jan 2026.

Key facts

This page summarizes Chan Po Yi Patsy's Form 3 filing for Black Spade Acquisition III Co.
0 reported transactions and 1 derivative row are listed below.
Accepted by SEC: 06 Jan 2026, 18:48.

Change

Previous filing in this sequence was filed on 04 Jun 2025.
Current net transaction value: $0.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Official SEC source

Ownership activity is grounded in SEC Form 3 disclosures.

View source filing

Reporting Owners (1)

CIK 0001855122 Primary reporting owner

Chan Po Yi Patsy

Relationship: Director
Address: SUITE 2902, 29/F, THE CENTRIUM, 60 WYNDHAM STREET, CENTRAL, HONG KONG, HONG KONG
Signature: /s/ Chan Po Yi Patsy
Signature date: 06 Jan 2026

Reported derivative securities

Options, warrants, convertible securities, or similar derivative positions disclosed in the filing.

BIIIU holding Derivative

Class B ordinary shares

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after
Date: 05 Jan 2026
Ownership: Direct
Underlying class: Class A ordinary shares
Underlying amount: 20,000
Exercise price
Footnotes: F1, F2

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 2 footnotes

Footnote F1

The Class B ordinary shares of the issuer will automatically convert into Class A ordinary shares of the issuer on a one-for-one basis (subject to certain adjustments, including share sub-divisions, share capitalizations, reorganizations, recapitalizations and other transactions) concurrently with or immediately following the consummation of the issuer's initial business combination, as described in the section entitled "Description of Securities" in the issuer's registration statement on Form S-1 (File No. 333-290602) filed with the Securities and Exchange Commission on September 30, 2025. The Class B ordinary shares have no expiration date.

Footnote F2

Up to 2,609 of the Class B ordinary shares reported herein will be surrendered to the issuer for no consideration after the closing of the initial public offering depending on the extent to which the underwriters' over-allotment option is exercised.