6-K

---

UNITEDSTATES

SECURITIESAND EXCHANGE COMMISSION

Washington,D.C. 20549

Form6-K

REPORTOF FOREIGN PRIVATE ISSUER

PURSUANTTO RULE 13a-16 OR 15d-16 UNDER

THESECURITIES EXCHANGE ACT OF 1934

For the Month of November 2025

Commission File Number: 001-38104

IMMURONLIMITED

(Name of Registrant)

Level3, 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-

IMMURONLIMITED

EXPLANATORYNOTE

Immuron Limited (the “Company”) published one announcement (the “Public Notices”) to the Australian Securities Exchange on November 21, 2025 titled:

99.1 Change of Director’s Interest Notice

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.

1

EXHIBITS

Exhibit<br> <br><br> Number	Description
99.1	Change of Director’s Interest Notice

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: November 21, 2025	By:	/s/ Phillip<br> Hains
		Phillip Hains
		Company Secretary

3

Exhibit 99.1

Confidential

Appendix 3Y

Change of Director’s Interest Notice

---

Rule 3.19A.2

Appendix 3Y

Change of Director’s Interest Notice

Information or documents not available now must be given to ASXas soon as available. Information and documents given to ASX become ASX’s property and may be made public.

Introduced 30/09/01    Amended 01/01/11

Name of entity Immuron Limited
ABN 80 063 114 045

We (the entity) give ASX the following information under listing rule 3.19A.2 and as agent for the director for the purposes of section 205G of the Corporations Act.

Name of Director	Daniel Pollock
Date of last notice	10 December 2024

Part 1 - Change of director’s relevant interestsin securities

In the case of a trust, this includes interests in the trust made available by the responsible entity of the trust

Note: In the case of a company, interests which come within paragraph (i) of the definition of “notifiable interest of a director” should be disclosed in this part.

Direct or indirect interest	Direct
Nature of indirect interest (including registered holder)<br><br> <br>Note: Provide details of the circumstances giving rise to<br> the relevant interest.
Date of change	18 November 2025
No. of securities held prior to change			Shares	Options
		Direct	643,550	1,000,000
		Indirect	174,480
		Total	818,030
Class	Unlisted Options
Number acquired	1,000,000
Number disposed	NIL
Value/Consideration<br><br> <br>Note: If consideration is non-cash,<br> provide details and estimated valuation	Non-cash consideration

+ See chapter 19 for defined terms.

01/01/2011	Appendix 3Y Page 1

Confidential

Appendix 3Y

Change of Director’s Interest Notice

---

No. of securities held after change			Shares	Options
		Direct	643,550	2,000,000
		Indirect	174,480	-
		Total	818,030	2,000,000
Nature of change<br><br> <br>Example: on-market trade, off-market<br> trade, exercise of options, issue of securities under dividend reinvestment plan, participation in buy-back	Per Resolution 6 approved by shareholders at the Annual General Meeting of the Company held on 11 November 2025.

---

Part 2 – Change of director’s interests incontracts

Note: In the case of a company, interests which come within paragraph (ii) of the definition of “notifiable interest of a director” should be disclosed in this part.

Detail of contract	N/A
Nature of interest	N/A
Name of registered holder (if issued securities)	N/A
Date of change	N/A
No. and class of securities to which interest related prior to change <br><br>Note: Details are only required for a contract in relation to which the interest has changed	N/A
Interest acquired	N/A
Interest disposed	N/A
Value/Consideration Note: If consideration is non-cash, provide details and an estimated valuation	N/A
Interest after change	N/A

Part 3 – +Closed period

---

Were the interests in the securities or contracts detailedabove traded during a +closed period where prior written clearance was required?	No
If so, was prior written clearance provided to allow the trade to proceed during this period?	N/A
If prior written clearance was provided, on what date was this provided?	N/A

• See chapter 19 for defined terms.

Appendix<br>3Y Page 2	01/01/2011

Confidential

Appendix 3Y

Change of Director’s Interest Notice

---

Rule 3.19A.2

Appendix 3Y

Change of Director’s Interest Notice

---

Information or documents not available now mustbe given to ASX as soon as available. Information and documents given to ASX become ASX’s property and may be made public.

Introduced 30/09/01    Amended 01/01/11

Name of entity Immuron Limited
ABN 80 063 114 045

We (the entity) give ASX the following information under listing rule 3.19A.2 and as agent for the director for the purposes of section 205G of the Corporations Act.

Name of Director	Ravi Savarirayan
Date of last notice	9 December 2024

Part 1 - Change of director’s relevant interestsin securities

In the case of a trust, this includes interests in the trust made available by the responsible entity of the trust

Note: In the case of a company, interests which come within paragraph (i) of the definition of “notifiable interest of a director” should be disclosed in this part.

Direct or indirect interest	Direct
Nature of indirect interest (including registered holder) <br><br>Note: Provide details of the circumstances giving rise to the relevant interest.	-
Date of change	18 November 2025
No. of securities held prior to change			Shares	Options
		Direct	409,090	1,000,000
		Indirect	468,750	-
		Total	877,840	1,000,000
Class	Unlisted Options
Number acquired	1,000,000
Number disposed	NIL
Value/Consideration Note: If consideration is non-cash, provide details and estimated valuation	Non-cash consideration

• See chapter 19 for defined terms.

01/01/2011	Appendix 3Y Page 1

Confidential

Appendix 3Y

Change of Director’s Interest Notice

---

No. of securities held after change			Shares	Options
		Direct	409,090	2,000,000
		Indirect	468,750	-
		Total	877,840	2,000,000
Nature of change<br><br> <br>Example: on-market trade, off-market<br> trade, exercise of options, issue of securities under dividend reinvestment plan, participation in buy-back	Per Resolution 7 approved by shareholders at the Annual General Meeting of the Company held on 11 November 2025.

---

Part 2 – Change of director’s interests incontracts

Note: In the case of a company, interests which come within paragraph (ii) of the definition of “notifiable interest of a director” should be disclosed in this part.

Detail of contract	N/A
Nature of interest	N/A
Name of registered holder (if issued securities)	N/A
Date of change	N/A
No. and class of securities to which interest related prior to change <br><br>Note: Details are only required for a contract in relation to which the interest has changed	N/A
Interest acquired	N/A
Interest disposed	N/A
Value/Consideration<br><br> Note: If consideration is non-cash, provide details and an estimated valuation	N/A
Interest after change	N/A

Part 3 – +Closed period

---

Were the interests in the securities or contracts detailedabove traded during a +closed period where prior written clearance was required?	No
If so, was prior written clearance provided to allow the trade to proceed during this period?	N/A
If prior written clearance was provided, on what date was this provided?	N/A

• See chapter 19 for defined terms.

Appendix<br>3Y Page 2	01/01/2011

Confidential

Appendix 3Y

Change of Director’s Interest Notice

---

Rule 3.19A.2

Appendix 3Y

Change of Director’s Interest Notice

---

Information or documents not available now mustbe given to ASX as soon as available. Information and documents given to ASX become ASX’s property and may be made public.

Introduced 30/09/01    Amended 01/01/11

Name of entity Immuron Limited
ABN 80 063 114 045

We (the entity) give ASX the following information under listing rule 3.19A.2 and as agent for the director for the purposes of section 205G of the Corporations Act.

Name of Director	Dr Jeannette Joughin
Date of last notice	9 December 2024

---

Part 1 - Change of director’s relevant interestsin securities

In the case of a trust, this includes interests in the trust made available by the responsible entity of the trust

Note: In the case of a company, interests which come within paragraph (i) of the definition of “notifiable interest of a director” should be disclosed in this part.

Direct or indirect interest	Direct
Nature of indirect interest (including registered holder) Note: Provide details of the circumstances giving rise to the relevant interest.	N/A
Date of change	18 November 2025
No. of securities held prior to change			Shares	Options
		Direct	-	1,000,000
		Indirect	-	-
		Total	-	1,000,000
Class	Unlisted options
Number acquired	1,000,000
Number disposed	NIL
Value/Consideration Note: If consideration is non-cash, provide details and estimated valuation	Non-cash consideration

• See chapter 19 for defined terms.

01/01/2011	Appendix 3Y Page 1

Confidential

Appendix 3Y

Change of Director’s Interest Notice

---

No. of securities held after change			Shares	Options
		Direct	-	2,000,000
		Indirect	-	-
		Total	-	2,000,000
Nature of change Example: on-market trade, off-market trade, exercise of options, issue of securities under dividend reinvestment plan, participation in buy-back	Per Resolution 5 approved by shareholders at the Annual General Meeting of the Company held on 11 November 2025.

---

Part 2 – Change of director’s interests incontracts

Note: In the case of a company, interests which come within paragraph (ii) of the definition of “notifiable interest of a director” should be disclosed in this part.

Detail of contract	N/A
Nature of interest	N/A
Name of registered holder (if issued securities)	N/A
Date of change	N/A
No. and class of securities to which interest related prior to change<br><br> Note: Details are only required for a contract in relation to which the interest has changed	N/A
Interest acquired	N/A
Interest disposed	N/A
Value/Consideration<br><br> Note: If consideration is non-cash, provide details and an estimated valuation	N/A
Interest after change	N/A

Part 3 – +Closed period

---

Were the interests in the securities or contracts detailed above traded during a +closed period where prior written clearance was required?	No
If so, was prior written clearance provided to allow the trade to proceed during this period?	N/A
If prior written clearance was provided, on what date was this provided?	N/A

+ See chapter 19 for defined terms.

Appendix 3Y Page 2	01/01/2011

Confidential

Appendix3Y

Change of Director’s Interest Notice

---

Rule 3.19A.2

Appendix 3Y

Change of Director’s Interest Notice

Information or documents not available now must begiven to ASX as soon as available. Information and documents given to ASX become ASX’s property and may be made public.

Introduced30/9/2001.    Amended 01/01/11

---

Name of Entity:	Immuron Limited (ASX: IMC)
ABN:	80 063 114 045

We (the entity) give ASX the following information under listing rule 3.19A.2 and as agent for the director for the purposes of section 205G of the Corporations Act.

Name of Director:	Paul Brennan
Date of Last Notice:	24 November 2023

Part 1 - Change of director’s relevant interests in securities

In the case of a trust, this includes interests in thetrust made available by the responsible entity of the trust

Note: In the case of a company, interests which come within paragraph (i) of the definition of “notifiable interest of a director” should be disclosed in this part.

Direct or Indirect Interest	Direct
Nature of indirect interest (including registered holder) Note: Provide details of the circumstances giving rise to the relevant interest.	-
Date of change	18 November 2025
No. of securities held prior to change			Shares	Options
		Direct	-	1,000,000
		Indirect	-	-
		Total	-	1,000,000
Class	Unlisted options
Number acquired	1,000,000
Number disposed	NIL
Value/Consideration <br><br>Note: If consideration is non-cash, provide details and estimated valuation	Non-cash consideration.

• See chapter 19 for defined terms.

01/01/2011	Appendix 3Y Page 1

Confidential

Appendix 3Y

Change of Director’s Interest Notice

No. of securities held after change			Shares	Options
		Direct	-	2,000,000
		Indirect	-	-
		Total	-	2,000,000
Nature of change <br> Example: On-market trade, off-market trade, exercise of options, issue of securities under dividend reinvestment<br> plan, participation in buy-back	Per<br> resolution 8 approved by shareholders at the Annual General Meeting of the Company held on 11 November 2025.

Part 2 – Change of director’s interests incontracts

---

Note: In the case of a company, interests which come within paragraph (ii) of the definition of “notifiable interest of a director” should be disclosed in this part.

Detail of contract	N/A
Nature of interest	N/A
Name of registered holder (if issued securities)	N/A
Date of change	N/A
No. and class of securities to which interest related prior to change Note: Details are only required for a contract in relation to which the interest has changed	N/A
Interest acquired	N/A
Interest disposed	N/A
Value/Consideration <br><br>Note: If consideration is non-cash, provide details<br><br> and an estimated valuation	N/A
Interest after change	N/A

Part 3 – +Closed period

---

Were the interests in the securities or contracts detailed above traded during a +closed period where prior written clearance was required?	No
If so, was prior written clearance provided to allow the trade to proceed during this period?	N/A
If prior written clearance was provided, on what date was this provided?	N/A

• See chapter 19 for defined terms.

01/01/2011	Appendix 3Y Page 2