Opthea discloses A$10.8m R&D tax incentive

Opthea Limited, a foreign private issuer, filed a Form 6-K for October 2025.

Accepted by SEC EDGAR 10/06/2025 - 06:01 AM EDT

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Form Type

6-K

Rhea-AI Filing Summary

Opthea Limited, a foreign private issuer, filed a Form 6-K for October 2025. The filing mainly furnishes a press release, listed as Exhibit 99.1, announcing that Opthea received an A$10.8 million R&D Tax Incentive, a government-related research and development benefit.

FAQ

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

Opthea Limited’s Form 6-K for October 2025 mainly furnishes a press release. The exhibit discloses that Opthea received an A$10.8 million R&D Tax Incentive, reflecting government support related to its research and development activities.

How much R&D Tax Incentive did Opthea Limited (CKDXF) receive?

Opthea received an A$10.8 million R&D Tax Incentive. This amount is disclosed in the exhibit index to the Form 6-K as part of a press release, indicating a significant research and development-related tax benefit from government programs.

What is included as Exhibit 99.1 in Opthea (CKDXF)’s October 2025 6-K?

Exhibit 99.1 is a press release titled “Opthea Received A$10.8 million R&D Tax Incentive.” This exhibit provides the substantive news within the Form 6-K, highlighting the company’s receipt of a large research and development tax incentive.

What type of SEC filer is Opthea Limited (CKDXF) in this document?

Opthea Limited files as a foreign private issuer using Form 6-K. The document notes that it files annual reports under Form 20-F, which is the standard SEC reporting format for non-U.S. companies listed in U.S. markets.

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

The Form 6-K was signed on behalf of Opthea Limited by Jeremy Levin. He is identified in the document as an Executive Officer, confirming his authority to sign the report for the company under SEC rules.

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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 - Opthea Received A$10.8 million R&D Tax Incentive

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: 10/06/2025

Source: View Original Filing on SEC EDGAR