Opthea (NASDAQ: OPT) files 6-K on new company secretary appointment

Rhea-AI Filing Summary

Opthea Limited submitted a Form 6-K as a foreign private issuer, primarily to furnish a press release announcing the appointment of a new company secretary. The report lists this press release as Exhibit 99.1 and is signed on behalf of Opthea by Executive Officer Jeremy Levin.

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 October 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		Press Release - Appointment of Company Secretary

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:	Executive Officer

Date: 10/27/2025

FAQ

What did Opthea (OPT) report in this Form 6-K?

Opthea filed a Form 6-K to furnish a press release related to governance. The exhibit describes the appointment of a company secretary, with the report signed on behalf of Opthea by Executive Officer Jeremy Levin.

What is the key corporate action disclosed by Opthea (OPT) in this filing?

The key corporate action is a press release about the appointment of a company secretary. This governance-related update is included as Exhibit 99.1 to the Form 6-K filed by Opthea Limited.

Who signed the Opthea (OPT) Form 6-K report?

The Form 6-K report was signed on behalf of Opthea Limited by Jeremy Levin. He is identified in the document as an Executive Officer authorized to sign for the registrant.

What exhibit is attached to Opthea’s (OPT) October 2025 Form 6-K?

The Form 6-K includes Exhibit 99.1. This exhibit is described as a press release concerning the appointment of a company secretary at Opthea Limited.

Does Opthea (OPT) report under Form 20-F or Form 40-F?

The Form 6-K indicates that Opthea is a foreign issuer that files annual reports under Form 20-F. This aligns with its status as a foreign private issuer reporting under U.S. securities laws.