UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 6-K

REPORT OF FOREIGN PRIVATE ISSUER

PURSUANT TO RULE 13a-16 OR 15d-16

UNDER THE SECURITIES EXCHANGE ACT OF 1934

For the month of November 2025

Commission File Number: 001-41658

Lucas GC Limited

(Exact name of registrant as specified in its charter)

Room 5A01, 4^th Floor

Air China Building, Xiaoyun Road

Sanyuanqiao, Chaoyang District

Beijing 100027, China

(Address of principal executive offices)

Indicate by check mark whether the registrant files or will file annual reports under cover of Form 20-F or Form 40-F.

Form 20-F ☒ Form 40-F ☐

EXPLANATORY NOTE

The Registrant is filing this Report on Form 6-K to provide its notice and proxy statement of its extraordinary general meeting. This report on Form 6-K and the attached Exhibits are incorporated by reference into the Company’s registration statement on Form F-3 (File No. 333-286651) and registration statement on Form S-8 (File No. 333-283728), as amended, and into each prospectus outstanding under the foregoing registration statements, to the extent not superseded by documents or reports subsequently filed or furnished by the Company under the Securities Act of 1933, as amended, or the Securities Exchange Act of 1934, as amended.

Exhibits Index

Exhibit No.	Description
99.1	Notice and Proxy Statement of Extraordinary General Meeting
99.2	Proxy Card

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized.

Date: November 12, 2025

Lucas GC Limited
By:	/s/ Howard Lee
Name:	Howard Lee
Title:	Chief Executive Officer and Chairman of the Board of Directors