6-K - IMRN - Equibles

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 October 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-

IMMURON LIMITED

EXPLANATORY NOTE

Immuron Limited (the “Company”) published one announcement (the “Public Notices”) to the Australian Securities Exchange on October 27, 2025 titled:

-<br><br> <br>-	Notification of cessation of securities

A copy of the Public Notice is attached as an exhibit to this report on Form 6-K.

This report on Form 6-K (including the exhibit hereto) shall not be deemed to be “filed” for purposes of the Securities Exchange Act of 1934, as amended (the “Exchange Act”) and shall not be incorporated by reference into any filing under the Securities Act of 1933, as amended, except as shall be expressly set forth by specific reference in such filing.

EXHIBITS

Exhibit <br><br>Number	Description
99.1	Notification of cessation of securities

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: October 27, 2025	By:	/s/ Phillip Hains
		Phillip Hains
		Company Secretary

Exhibit 99.1

Appendix 3H - Notification of cessation of securities

Announcement Summary

Entity name

IMMURON LIMITED

Announcement Type

New announcement

Date of this announcement

Monday October 27, 2025

Details of +securities that have ceased

ASX +security <br><br>code	Security description	Number of <br><br>+securities to that <br><br> have ceased	The +securities have ceased due to	Date of cessation
IMCAI	OPTION EXPIRING<br><br> <br>VARIOUS DATES EX<br><br> <br>VARIOUS PRICES	500,00	Expiry of option or other convertible security without exercise<br>or conversion	26/10/2025

Refer to next page for full details of the announcement

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Part 1 - Announcement Details

1.1 Name of +Entity

IMMURON LIMITED

We (the entity named above) provide the following information about our issued capital.

1.2 Registered Number Type	Registration Number
ABN	80063114045

1.3 ASX issuer code

IMC

1.4 The announcement is

New announcement

1.5 Date of this announcement

27/10/2025

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Part 2 - Details of +equity securities or +debt securities that have ceased

ASX +Security Code and Description

IMCAI : OPTION EXPIRING VARIOUS DATES EX VARIOUS PRICES

Unquoted +equity securities that have ceased

Number of securities that have ceased

500,000

Reason for cessation

Expiry of option or other convertible security without exercise or conversion

Date of cessation	Is the entity paying any consideration for the cessation?
26/10/2025	No

Any other information the entity wishes to notify to ASX about the cessation?

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Part 3 - Issued capital following changes

Following the cessation of the +securities the subject of this notification, the issued capital of the entity will comprise:

The figures in parts 3.1 and 3.2 below are automatically generated and may not reflect the entity's current issued capital if other Appendix 2A, Appendix 3G or Appendix 3H forms are currently with ASX for processing.

3.1 Quoted +equity securities and +debt securities (total number of each +class of +securities quoted on ASX)

ASX +security code and description	Total<br> number of<br><br> <br>+securities on issue
IMC : ORDINARY FULLY PAID	269,353,813

3.2 Unquoted +equity securities (total number of each +class of +equity securities issued but not quoted on ASX)

ASX +security code and description	Total<br> number of<br><br> <br>+securities on issue
IMCAE : PERFORMANCE RIGHTS	7,610,315
IMCAI : OPTION EXPIRING VARIOUS DATES EX VARIOUS PRICES	5,430,000

Note: the figures stated in the tables above are used to calculate the total market capitalisation of the entity published by ASX from time to time. The table will not include those classes of +securities that have ceased or lapsed in their entirety in ASX records before the announcement date described in Q1.5, even if the entity has advised ASX of a change to that class of +security in Part 2 of this form.

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