Exhibit 99.3 

 

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 ASX as soon as available. Information and documents given to ASX become ASX’s property and may be made public.

 

Introduced 30/9/2001.        Amended 01/01/11

 

 Name of Entity:

 Radiopharm Theranostics Limited (ASX: RAD)
 ABN:                   57 647 877 889

 

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:

  Riccardo Canevari
 Date of Last Notice:  3 November 2025

 

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

  
     
Date of change

12 December 2025

           
No. of securities held prior to change     Shares Options  
    Direct 20,029,986 110,949,299  
    Indirect 2,650,000  -  
    Total  22,679,986 110,949,299  
           
Class

Unlisted Options

  
           
Number acquired     Shares Options  
    Direct - 74,338,000  
    Indirect -  -  
    Total - 74,338,000  
           
Number disposed     Shares Options  
    Direct - -  
    Indirect -  -  
    Total  - -  
           

Value/Consideration

Note:

If consideration is non-cash, provide details and estimated valuation

Non-cash options issued, per resolution 7 approved by shareholders at the Annual General Meeting held on 20 November 2025

  

 

+ See chapter 19 for defined terms. 
  
01/01/2011Appendix 3Y Page 1

 

 

Appendix 3Y

Change of Director’s Interest Notice

 

 

 

No. of securities held after change     Shares Options  
    Direct 20,029,986 185,287,299  
    Indirect 2,650,000  -  
    Total  22,679,986 185,287,299  
   

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 7 approved by shareholders at the Annual General Meeting held on 20 November 2025

 

Part 2 – Change of director’s interests in contracts

 

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

Note: If consideration is non-cash, provide details and an estimated valuation

 N/A
Interest after change N/A

 

+ See chapter 19 for defined terms. 
  
Appendix 3Y Page 201/01/2011

 

 

Appendix 3Y

Change of Director’s Interest Notice

 

 

 

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. 
  
01/01/2011Appendix 3Y Page 3