Immuron (NASDAQ: IMRN) adds Grant Thornton auditor consent to Form F-3

Rhea-AI Filing Summary

Immuron Limited submitted a Form 6-K to provide an updated consent from its independent registered public accounting firm, Grant Thornton Audit Pty Ltd, dated September 30, 2025. This consent allows Grant Thornton’s audit work and reports to be used in connection with Immuron’s existing shelf registration statement on Form F-3 (File No. 333-280667).

The consent is filed as Exhibit 23.1 and is expressly incorporated by reference into the Form F-3 from the date this report is submitted, unless later filings replace it. The document is administrative in nature and does not present new financial results or major corporate transactions.

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 PRIVATE ISSUER

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

THE SECURITIES EXCHANGE ACT OF 1934

For the Month of September 2025

Commission File Number: 001-38104

IMMURON LIMITED

(Name of Registrant)

Level 3, 62 Lygon Street, Carlton South, Victoria, 3053, Australia

(Address of principal executive office)

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 whether by furnishing the information contained in this Form, the registrant is also thereby furnishing the information to the Commission pursuant to Rule 12g3-2(b) under the Securities Exchange Act of 1934.

Yes ☐       No ☒

If “Yes” is marked, indicate below the file number assigned to the registrant in connection with Rule 12g3-2(b): 82-

INFORMATION CONTAINED IN THIS REPORT ON FORM 6-K

Auditors Consent

Attached as Exhibit 23.1 to this report on Form 6-K is the Consent of Grant Thornton Audit Pty Ltd, independent registered accounting firm to Immuron Limited, dated September 30, 2025.

The information contained in Exhibit 23.1 shall be deemed to be incorporated by reference into Immuron Limited’s registration statement on Form F-3 (File Nos. 333-280667), to be a part thereof from the date on which this report is submitted, to the extent not superseded by documents or reports subsequently filed or furnished.

1

EXHIBITS

Exhibit Number		Description
23.1		Consent of Grant Thornton Audit Pty Ltd

2

SIGNATURE

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.

	IMMURON LIMITED
Date: September 30, 2025	By:	/s/ Phillip Hains
		Phillip Hains
		Company Secretary

3

FAQ

What does Immuron Limited (IMRN) report in this Form 6-K?

Immuron Limited furnishes a Form 6-K to provide the consent of its independent registered public accounting firm, Grant Thornton Audit Pty Ltd, dated September 30, 2025, for use in connection with its Form F-3 shelf registration statement.

Who is Immuron Limited’s independent auditor mentioned in the Form 6-K?

The Form 6-K identifies Grant Thornton Audit Pty Ltd as Immuron Limited’s independent registered accounting firm and includes their consent as Exhibit 23.1.

How is the auditor’s consent used in relation to Immuron (IMRN)’s Form F-3?

The filing states that the information in Exhibit 23.1, the auditor’s consent, is incorporated by reference into Immuron Limited’s registration statement on Form F-3 (File No. 333-280667) from the date of this report, unless superseded by later filings.

Does this Immuron Limited Form 6-K include new financial results or earnings data?

No, this Form 6-K is described as an Auditors Consent filing and focuses on incorporating Grant Thornton Audit Pty Ltd’s consent into the existing Form F-3; it does not present financial statements or earnings data.

What exhibit is included with Immuron Limited’s September 2025 Form 6-K?

The exhibit table shows one exhibit: Exhibit 23.1 – Consent of Grant Thornton Audit Pty Ltd, which is the auditor’s consent referenced in the report.

Who signed the Form 6-K on behalf of Immuron Limited (IMRN)?

The signature block shows that the Form 6-K was signed on behalf of Immuron Limited by Phillip Hains, Company Secretary, dated September 30, 2025.