Black Spade Acquisition III Co (BIII) director lists 200,000 Class B shares

Rhea-AI Filing Summary

Black Spade Acquisition III Co insider TAM CHI WAI DENNIS, a director and officer, filed an initial ownership report showing direct beneficial ownership of 200,000 Class B ordinary shares as of 01/05/2026. These Class B shares will automatically convert into Class A ordinary shares on a one-for-one basis, concurrently with or immediately following the company’s initial business combination, and they have no expiration date. Up to 26,087 of the reported Class B shares may be surrendered to the company for no consideration after the closing of the initial public offering, depending on how much of the underwriters’ over-allotment option is exercised.

Insider Trade Summary

1 transaction reported

Mixed 1 txn

Insider TAM CHI WAI DENNIS

Role See Remarks

Type	Security	Shares	Price	Value
holding	Class B ordinary shares	--	--	--

Holdings After Transaction: Class B ordinary shares — 200,000 shares (Direct)

Footnotes (1)

1. 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. Up to 26,087 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.

Understanding Insider Trading Forms →

SEC Form 3

FORM 3

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

OMB Number:			3235-0104
Estimated average burden
hours per response:			0.5

1. Name and Address of Reporting Person^*

TAM CHI WAI DENNIS

(Last) (First) (Middle)

SUITE 2902, 29/F, THE CENTRIUM

60 WYNDHAM STREET, CENTRAL

(Street)

HONG KONG K3 00000

(City) (State) (Zip)

2. Date of Event Requiring Statement (Month/Day/Year)
01/05/2026

3. Issuer Name and Ticker or Trading Symbol
Black Spade Acquisition III Co [ BIIIU ]

4. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

X	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	See Remarks

5. If Amendment, Date of Original Filed (Month/Day/Year)

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Beneficially Owned
1. Title of Security (Instr. 4)	2. Amount of Securities Beneficially Owned (Instr. 4)	3. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	4. Nature of Indirect Beneficial Ownership (Instr. 5)

Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 4)	2. Date Exercisable and Expiration Date (Month/Day/Year)		3. Title and Amount of Securities Underlying Derivative Security (Instr. 4)		4. Conversion or Exercise Price of Derivative Security	5. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	6. Nature of Indirect Beneficial Ownership (Instr. 5)
	Date Exercisable	Expiration Date	Title	Amount or Number of Shares
Class B ordinary shares(1)	(1)	(1)	Class A ordinary shares(1)	200,000(1)(2)	(1)	D

Explanation of Responses:

1. 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.

2. Up to 26,087 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.

Remarks:

01/06/2026

	/s/ Tam Chi Wai Dennis	01/06/2026
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 5 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.

FAQ

What insider position was reported in Black Spade Acquisition III Co (BIII) Form 3?

The Form 3 shows that TAM CHI WAI DENNIS, a director and officer of Black Spade Acquisition III Co, beneficially owns 200,000 Class B ordinary shares directly.

How do Black Spade Acquisition III Co (BIII) Class B ordinary shares convert into Class A shares?

The Class B ordinary shares will automatically convert into Class A ordinary shares on a one-for-one basis, concurrently with or immediately following the consummation of the company’s initial business combination, subject to certain adjustments.

Do the Class B ordinary shares of Black Spade Acquisition III Co (BIII) have an expiration date?

No. The filing states that the Class B ordinary shares have no expiration date.

What is the significance of the 26,087 Class B shares mentioned in the Black Spade Acquisition III Co (BIII) Form 3?

The filing notes that up to 26,087 of the reported Class B ordinary shares will be surrendered to the company for no consideration after the closing of the initial public offering, depending on the extent of the underwriters’ over-allotment option exercise.

What roles does TAM CHI WAI DENNIS hold at Black Spade Acquisition III Co (BIII)?

The reporting person is both a director and an officer of Black Spade Acquisition III Co, with the officer title referenced in the remarks section.

Is TAM CHI WAI DENNIS reported as a 10% owner of Black Spade Acquisition III Co (BIII)?

No. The Form 3 indicates that TAM CHI WAI DENNIS is a director and officer but is not marked as a 10% owner.