Lucas GC Limited updates CTO role and advisory duties

Lucas GC Limited reports a leadership change in its technology function.

Rhea-AI Filing Summary

Lucas GC Limited reports a leadership change in its technology function. Effective July 30, 2026, Mr. Harry Tang will step down from his role as chief technology officer to become a senior advisor to the company. The change is described as being for personal reasons and not due to any disagreement regarding operations, policies, or practices. In his new role, Mr. Tang will continue supporting the implementation and commercialization of the company’s patent portfolio and technologies developed by founder, chief executive officer and chairman Mr. Howard Lee and executive director Dr. Wang-chan Wong across various industry applications and verticals.

Key Figures

Effective date of role change: July 30, 2026 Report signing date: July 10, 2026

2 metrics

Effective date of role change July 30, 2026 Date Harry Tang steps down as chief technology officer to become senior advisor

Report signing date July 10, 2026 Date the report was signed by CEO and chairman Howard Lee

Key Terms

foreign private issuer, Form 20-F, Form 40-F, Form S-8, +1 more

5 terms

foreign private issuer regulatory

"REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16"

A foreign private issuer is a company organized outside the United States that meets tests showing it is primarily foreign-controlled and therefore qualifies for a different set of U.S. reporting rules. For investors, that means the company files less frequent or differently formatted disclosures with U.S. regulators and may follow home-country accounting and governance practices, so buying its stock is like dining at a well-reviewed restaurant that follows its home kitchen’s rules instead of the local menu — you get access but should check what standards apply.

Form 20-F regulatory

"whether the registrant files or will file annual reports under cover of Form 20-F"

Form 20-F is the standardized annual disclosure that non-U.S. companies must file with the U.S. securities regulator when their shares are traded in the U.S.; it contains audited financial statements, a plain-language description of the business, management discussion, governance details and key risk factors. It matters to investors because it provides a consistent, comparable company “report card” and rulebook, helping buyers assess financial health, governance and risks before investing.

Form 40-F regulatory

"whether the registrant files or will file annual reports under cover of Form 20-F or Form 40-F"

A Form 40-F is a standardized annual filing used by certain Canadian companies that trade in U.S. markets to give U.S. regulators and investors the same core financial statements and key disclosures they file in Canada. Think of it as a translated, formally packaged annual report that lets investors in a different marketplace compare a company’s results, governance and risks more easily, which reduces uncertainty and helps investment decisions.

Form S-8 regulatory

"incorporated by reference in the registration statements of Lucas Limited on Form F-3 and Form S-8"

A Form S-8 is a U.S. Securities and Exchange Commission registration that lets a public company set aside shares for employee benefit plans and stock-based compensation. Think of it as opening a dedicated account that authorizes the company to issue or reserve stock for workers and directors; it matters to investors because it enables share dilution when those awards are granted or exercised and signals how management is compensated and incentivized.

patent portfolio technical

"support implementation and commercialization of the Company’s patent portfolio and technologies"

A patent portfolio is the collection of patents a company owns or controls that protect its inventions and technologies. For investors it matters because this bundle acts like a fenced yard or toolbox — it can block competitors, create steady income through licensing, and increase a company's long-term value, while gaps, expirations or weak patents can expose the business to competition and risk.

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What executive leadership change did Lucas GC Limited (LGCL) disclose?

Lucas GC Limited disclosed that Mr. Harry Tang will step down as chief technology officer effective July 30, 2026, and transition to a senior advisor role supporting technology implementation and commercialization.

Why is LGCL’s chief technology officer Harry Tang changing roles?

The company states that Mr. Tang’s change of role to senior advisor is for personal reasons and explicitly notes it is not due to any disagreement over operations, policies, or practices.

Will Harry Tang remain involved with Lucas GC Limited (LGCL) after stepping down as CTO?

Yes. As a senior advisor, Harry Tang will continue supporting the implementation and commercialization of the company’s patent portfolio and co-developed technologies across various industry applications and verticals.

How will LGCL’s patent portfolio be managed after the CTO role change?

In his senior advisor role, Harry Tang will keep working on implementing and commercializing the company’s patent portfolio and technologies developed by Howard Lee and Dr. Wang-chan Wong across multiple industry applications.

Is Harry Tang’s role change at Lucas GC Limited (LGCL) linked to any disputes?

No. The company specifies that Mr. Tang’s transition from chief technology officer to senior advisor is not the result of any disagreement with the company on operations, policies, or practices.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Accepted by SEC EDGAR 07/10/2026 - 05:00 PM EDT Learn about SEC filing dates

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 July 2026

Commission File Number: 001-41658

Lucas GC Limited

(Exact name of registrant as specified in its charter)

Room 1109, 11/F, Tower A

Star Plaza, No. 8 Wangjing Street

Chaoyang District

Beijing 100102, 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 ☐

Indicate by check mark if the registrant is submitting the Form 6-K in paper as permitted by Regulation S-T Rule 101(b)(1): ☐

Note: Regulation S-T Rule 101(b)(1) only permits the submission in paper of a Form 6-K if submitted solely to provide an attached annual report to security holders.

Indicate by check mark if the registrant is submitting the Form 6-K in paper as permitted by Regulation S-T Rule 101(b)(7): ☐

Note: Regulation S-T Rule 101(b)(7) only permits the submission in paper of a Form 6-K if submitted to furnish a report or other document that the registrant foreign private issuer must furnish and make public under the laws of the jurisdiction in which the registrant is incorporated, domiciled or legally organized (the registrant’s “home country”), or under the rules of the home country exchange on which the registrant’s securities are traded, as long as the report or other document is not a press release, is not required to be and has not been distributed to the registrant’s security holders, and, if discussing a material event, has already been the subject of a Form 6-K submission or other Commission filing on EDGAR.

INCORPORATION BY REFERENCE

This current report on Form 6-K (this “Report”) is hereby incorporated by reference in the registration statements of Lucas GC Limited on Form F-3 (No. 333-286651) and Form S-8 (No. 333-283728), to the extent not superseded by documents or reports subsequently filed or furnished.

CHANGE OF ROLE OF CHIEF TECHNOLOGY OFFICER

Effective July 30, 2026, Mr. Harry Tang will step down from his role as the chief technology officer of Lucas GC Limited (the “Company”) to become a senior advisor of the Company. Mr. Tang’s change of role was for personal reasons and was not the result of any disagreement with the Company on any matter relating to its operations, policies, or practices of the Company.

In his new role as a senior advisor, Mr. Tang will continue to support implementation and commercialization of the Company’s patent portfolio and technologies jointly developed by the Company’s founder, chief executive officer and chairman of the board of directors, Mr. Howard Lee, and the Company’s executive director Dr. Wang-chan Wong, across various industry applications and verticals.

SIGNATURE

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

Date: July 10, 2026
	Lucas GC Limited
	By:	/s/ Howard Lee
	Name:	Howard Lee
	Title:	Chief Executive Officer and Chairman of the Board of Directors