# EDGAR Filing Document

**Accession Number:** 0002087087
**File Stem:** 0001104659-26-000462
**Filing Date:** 2026-1
**Character Count:** 5336
**Document Hash:** 89da7922aa50525765e685064ec88e3e
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001104659-26-000462.hdr.sgml**: 20260105

**ACCESSION NUMBER**: 0001104659-26-000462

**CONFORMED SUBMISSION TYPE**: 8-A12B

**PUBLIC DOCUMENT COUNT**: 1

**FILED AS OF DATE**: 20260105

**DATE AS OF CHANGE**: 20260105

**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** Black Spade Acquisition III Co
- **CENTRAL INDEX KEY:** 0002087087
- **STANDARD INDUSTRIAL CLASSIFICATION:** BLANK CHECKS [6770]
- **ORGANIZATION NAME:** 05 Real Estate & Construction
- **EIN:** 000000000
- **STATE OF INCORPORATION:** K3
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** 8-A12B
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 001-43039
- **FILM NUMBER:** 26504317

**BUSINESS ADDRESS:**
- **ADDRESS IS A NON US LOCATION:** YES
- **STREET 1:** THE CENTRIUM, SUITE 2902, 29/F
- **STREET 2:** 60 WYNDHAM STREET
- **CITY:** CENTRAL
- **PROVINCE COUNTRY:** K3
- **ZIP:** 00000
- **BUSINESS PHONE:** 852 3955 1316

**MAIL ADDRESS:**
- **ADDRESS IS A NON US LOCATION:** YES
- **STREET 1:** THE CENTRIUM, SUITE 2902, 29/F
- **STREET 2:** 60 WYNDHAM STREET
- **CITY:** CENTRAL
- **PROVINCE COUNTRY:** K3
- **ZIP:** 00000

**UNITED STATES**

**SECURITIES AND EXCHANGE COMMISSION**

**Washington, D.C. 20549**

**FORM 8-A**

**FOR REGISTRATION OF CERTAIN CLASSES OF SECURITIES**

**PURSUANT TO SECTION 12(b) OR (g) OF THE**

**SECURITIES EXCHANGE ACT OF 1934**

**BLACK SPADE ACQUISITION III CO**

**(Exact Name of Registrant as Specified in Its Charter)**

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| | |
|:---|:---|
| **Cayman Islands** | **N/A** |
| **(State or other Jurisdiction of Incorporation or Organization)** | **(I.R.S. Employer Identification No.)** |

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| | |
|:---|:---|
| **Suite 2902, 29/F, The Centrium, 60 Wyndham Street,**<br> **Central, Hong Kong** | **N/A** |
| **(Address of Principal Executive Offices)** | **(Zip Code)** |

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**Securities to be registered pursuant to Section 12(b) of the Act:**

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| | |
|:---|:---|
| **Title of Each Class to be Registered** | **Name of Each Exchange on Which<br> Each Class is to be Registered** |
| **Units, each consisting of one Class A ordinary share and one-third of one redeemable warrant** | **The New York Stock Exchange** |
| **Class A ordinary shares, par value $0.0001 per share** | **The New York Stock Exchange** |
| **Redeemable warrants, each whole warrant exercisable for one Class A ordinary share at an exercise price of $11.50** | **The New York Stock Exchange** |

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If this form relates to the registration of a class of securities pursuant to Section 12(b) of the Exchange Act and is effective pursuant to General Instruction A.(c) or (e), check the following box. ⌧

If this form relates to the registration of a class of securities pursuant to Section 12(g) of the Exchange Act and is effective pursuant to General Instruction A.(d) or (e), check the following box. ◻

If this form relates to the registration of a class of securities concurrently with a Regulation A offering, check the following box. ◻

**Securities Act registration statement or Regulation A offering statement file number to which this form relates:**

**333-290602**

**(If applicable)**

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

**N/A**

**(Title of Class)**

**Item 1.** **Description of Registrant's Securities to be Registered.**

The securities to be registered hereby are the units, Class A ordinary shares and redeemable warrants to purchase Class A ordinary shares of Black Spade Acquisition III Co (the "**Company**"). The description of the units, Class A ordinary shares and warrants contained in the section entitled "Description of Securities" in the prospectus included in the Company's Registration Statement on [Form S-1 (File No. 333-290602)](https://www.sec.gov/ix?doc=/Archives/edgar/data/2087087/000110465925094778/none-20250929xs1.htm) initially filed with the Securities and Exchange Commission on September 30, 2025, as amended (the "**Registration Statement**"), to which this Form 8-A relates, is incorporated herein by reference. Any form of prospectus or prospectus supplement to the Registration Statement that includes such descriptions and that is subsequently filed is also incorporated by reference herein.

**Item 2.** **Exhibits.**

The securities being registered hereby are to be registered on an exchange on which no other securities of the registrant are registered and are not to be registered pursuant to Section 12(g) of the Securities Exchange Act of 1934, as amended. The necessary exhibits will be supplied to the New York Stock Exchange and are not filed with or incorporated by reference to this Registration Statement.

**SIGNATURE**

Pursuant to the requirements of Section 12 of the Securities Exchange Act of 1934, the Company has duly caused this Registration Statement to be signed on its behalf by the undersigned, thereto duly authorized.

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| | | |
|:---|:---|:---|
| Very truly yours, | Very truly yours, | Very truly yours, |
| **BLACK SPADE ACQUISITION III CO** | **BLACK SPADE ACQUISITION III CO** | **BLACK SPADE ACQUISITION III CO** |
| By: | /s/ Chi Wai Dennis Tam | /s/ Chi Wai Dennis Tam |
|  | Name: | Chi Wai Dennis Tam |
|  | Title: | Executive Chairman of the Board and Co-Chief Executive Officer |

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Dated: January 5, 2026

*[Signature Page to Form 8-A]*