Opthea (OTC: CKDXF) submits 2025 annual report and governance statement

Rhea-AI Filing Summary

Opthea Limited has filed a Form 6-K as a foreign private issuer for September 2025. The filing mainly serves as a cover to provide two key documents to investors and regulators.

Exhibit 99.1 is titled “Opthea Limited Annual Report 2025,” and Exhibit 99.2 is titled “Opthea Corporate Governance Statement 2025,” indicating the company has submitted its latest annual reporting and governance information.

Form 6-K: How Foreign Companies Report to the SEC →

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 6-K

REPORT OF FOREIGN ISSUER

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

OF THE SECURITIES EXCHANGE ACT OF 1934

For the month of September 2025

Commission File No. 001-39621

OPTHEA LIMITED

(Translation of registrant’s name into English)

Level 4

650 Chapel Street

South Yarra, Victoria, 3141

Australia

(Address of registrant’s principal executive office)

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

Form 20-F ☒ Form 40-F ☐

EXHIBIT INDEX

Exhibit		Description
99.1		Opthea Limited Annual Report 2025
99.2		Opthea Corporate Governance Statement 2025

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, thereto duly authorized.

	OPTHEA LIMITED
	(Registrant)
	By:	/s/ Jeremy Levin
	Name:	Jeremy Levin.
	Title:	Chairman and Chief Executive Officer

Date: 9/15/2025

FAQ

What does Opthea Limited (CKDXF) report in this Form 6-K?

Opthea Limited uses this Form 6-K to transmit two exhibits: its Annual Report 2025 and its Corporate Governance Statement 2025. The form itself is largely administrative, acting as a cover for these underlying documents.

Which documents are attached to Opthea (CKDXF) Form 6-K for September 2025?

The Form 6-K lists Exhibit 99.1 as the Opthea Limited Annual Report 2025 and Exhibit 99.2 as the Opthea Corporate Governance Statement 2025. These exhibits provide the substantive information referenced by the cover filing.

Who signed the September 2025 Form 6-K for Opthea Limited (CKDXF)?

The Form 6-K is signed on behalf of Opthea Limited by Jeremy Levin, who is identified as the company’s Chairman and Chief Executive Officer. His signature indicates he is duly authorized to sign for the registrant.

What is the purpose of Opthea (CKDXF) filing a Form 6-K as a foreign issuer?

Opthea Limited, as a foreign issuer, uses Form 6-K to furnish information under the Exchange Act. In this case, it forwards its 2025 Annual Report and 2025 Corporate Governance Statement as exhibits for U.S. market and regulatory disclosure.

What period does the Opthea Limited (CKDXF) Form 6-K relate to?

The Form 6-K is identified as being for the month of September 2025. Within this filing, Opthea provides its Annual Report 2025 and Corporate Governance Statement 2025 as exhibits, aligning with its latest annual reporting cycle.