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 12(g) OF THE
SECURITIES EXCHANGE ACT OF 1934

SL SCIENCE HOLDING LIMITED

(Exact name of registrant as specified in its charter)

11th Floor,

No. 479 Chongyang Road,

Nangang District, Taipei, Taiwan R.O.C. 115010

+886-2-26516826

(Address of principal executive offices, zip code)

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

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), 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), 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: 333-292214

Securities to be registered pursuant to Section 12(g) of the Act: None

Item 1. Description of Registrant’s Securities to be Registered.

The securities to be registered hereby are ordinary shares, par value of $0.00001 each (the “Ordinary Shares”) of SL Science Holding Limited, a Cayman Islands exempted company limited by shares (the “Company”).

The description of the Ordinary Shares contained in the section entitled “Description of PubCo’s Share Capital” in the proxy statement/prospectus forming a part of the Company’s Registration Statement on Form F-4 (File No. 333-292214), as initially filed with the Securities and Exchange Commission (the “SEC”) on December 18, 2025, as amended, including any form of prospectus contained therein pursuant to Rule 424(b) under the Securities Act of 1933, 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.

The Ordinary Shares to be registered hereunder are expected to be listed on The Nasdaq Stock Market LLC under the symbol “SLBT.”

Item 2. Exhibits.

Pursuant to the “Instructions as to Exhibits” with respect to Form 8-A, no exhibits are required to be filed because no other securities of the Registrant are registered and the securities registered hereby are not being registered pursuant to Section 12(g) of the Securities Exchange Act of 1934, as amended.

SIGNATURE

Pursuant to the requirements of Section 12 of the Securities Exchange Act of 1934, as amended, the Registrant has duly caused this registration statement to be signed on its behalf by the undersigned, thereto duly authorized.

Date: June 11, 2026

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