RADX 6-K
Radiopharm Theranostics Ltd (RADX)
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 August 2026
Commission File Number: 001-41621
RADIOPHARM THERANOSTICS 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 ☐
RADIOPHARM THERANOSTICS LIMITED
EXPLANATORY NOTE
Radiopharm Theranostics Limited (the “Company”) published one announcement (the “Public Notice”) to the Australian Securities Exchange on August 03, 2026 titled:
| “Application for quotation of securities - RAD |
|---|
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 any exhibit hereto) shall not be deemed to be “filed” for purposes of the Securities Exchange Act of 1934 and shall not be incorporated by reference into any registration statement or prospectus under the Securities Act of 1933, except as shall be expressly set forth by specific reference in such registration statement or prospectus.
1
EXHIBITS
| Exhibit <br><br>Number | Description |
|---|---|
| 99.1 | Application for quotation of securities - RAD |
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.
| RADIOPHARM THERANOSTICS LIMITED | ||
|---|---|---|
| Date: August 03, 2026 | By: | /s/ Amritha Sushil |
| Amritha Sushil | ||
| Company Secretary |
3
Exhibit 99.1
 |
Appendix 2A - Application for quotation of securities |
|---|
Announcement Summary
Entity name
RADIOPHARM THERANOSTICS LIMITED
Announcement Type
New announcement
Date of this announcement
Monday August 03, 2026
The +securities to be quoted are:
+Securities issued as part of a transaction or transactions previously announced to the market in an Appendix 3B
Total number of +securities to be quoted
| ASX +security code | Security description | Number of +securities to be quoted | Issue date |
|---|---|---|---|
| RAD | ORDINARY FULLY PAID | 408,839,531 | 03/08/2026 |
Refer to next page for full details of the announcement
| Appendix 2A - Application for quotation of securities | 1/6 |
| --- | --- |
| | Appendix 2A - Application for quotation of securities |
| --- | --- |
Part 1 - Entity and announcement details
| 1.1 | Name of entity |
|---|
RADIOPHARM THERANOSTICS LIMITED
We (the entity named above) apply for +quotation of the following +securities and agree to the matters set out in Appendix 2A of the ASX Listing Rules.
| 1.2 | Registered Number Type | Registration Number |
|---|---|---|
| ACN | 647877889 | |
| 1.3 | ASX issuer code | |
| --- | --- |
RAD
| 1.4 | The announcement is |
|---|
New announcement
| 1.5 | Date of this announcement |
|---|
3/8/2026
| Appendix 2A - Application for quotation of securities | 2/6 |
| --- | --- |
| | Appendix 2A - Application for quotation of securities |
| --- | --- |
Part 2 - Type of Issue
| 2.1 | The +securities to be quoted are: |
|---|
+Securities issued as part of a transaction or transactions previously announced to the market in an Appendix 3B
Previous Appendix 3B details:
| Announcement Date and Time | Announcement Title | Selected Appendix 3B to submit quotation request |
|---|---|---|
| 24-Jul-2026 17:21 | New - Proposed issue of<br> securities - RAD | A placement or other type of issue |
2.3a.2 Are there any furtherissues of +securities yet to take place to complete the transaction(s) referred to in the Appendix 3B?
Yes
2.3a.3 Please provide detailsof the further issues of +securities yet to take place to complete the transaction(s) referred to in the Appendix 3B
| 40,000,000 | RAD ORDINARY FULLY PAID |
|---|---|
| 448,839,531 | New class OPTION EXPIRING 31-JUL-2029 EX 0.018 |
| 64,082 | New class ADR WARRANTS EXPIRING 31-JUL-2029 EX USD 3.95 |
| 1,281,646 | New class ADR WARRANTS EXPIRING 31-JUL-2029 EX USD 3.79 |
| Appendix 2A - Application for quotation of securities | 3/6 |
| --- | --- |
| | Appendix 2A - Application for quotation of securities |
| --- | --- |
Part 3A - number and type of +securities to be quoted where issue has previously been notified to ASX in an Appendix 3B
Placement Details
ASX +security code and description
RAD : ORDINARY FULLY PAID
Issue date
3/8/2026
Distribution Schedule
Provide a distribution schedule for the new +securities according to the categories set out in the left hand column - including the number of recipients and the total percentage of the new +securities held by the recipients in each category.
| Number of +securities held | Number of holders | Total percentage of +securities heldFor example, to enter a value of 50% please input as 50.00 |
|---|---|---|
| 1 - 1,000 | % | |
| 1,001 - 5,000 | % | |
| 5,001 - 10,000 | % | |
| 10,001 - 100,000 | % | |
| 100,001 and over | % |
| Appendix 2A - Application for quotation of securities | 4/6 |
| --- | --- |
| | Appendix 2A - Application for quotation of securities |
| --- | --- |
Issue details
Number of +securities to be quoted
408,839,531
Are the +securities being issued for a cash consideration?
Yes
| In what currency is the cash consideration being paid? | What is the issue price per +security? |
|---|---|
| AUD - Australian Dollar | AUD 0.01500000 |
Any other information the entity wishes to provideabout the +securities to be quoted
| Per placement announcement dated 24 July 2026, 408,839,531 shares being issued as part of Tranche 1 of the Australian Placement. |
|---|
| Appendix 2A - Application for quotation of securities | 5/6 |
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| | Appendix 2A - Application for quotation of securities |
| --- | --- |
Part 4 - Issued capital following quotation
Following the quotation of the +securities the subject of this application, the issued capital of the entity will comprise:
The figures in parts 4.1 and 4.2 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.
4.1 Quoted +securities (total number of each +class of +securities quoted on ASX following the +quotation of the +securities subject of this application)
| ASX +security code and description | Total number of <br><br> +securities on issue | |
|---|---|---|
| RADO : OPTION EXPIRING 30-NOV-2026 | 79,352,040 | |
| RAD : ORDINARY FULLY PAID | 4,337,549,491 | |
| RADOA : OPTION EXPIRING 24-AUG-2026 | 818,890,534 | |
| RADOB : OPTION EXPIRING 31-OCT-2027 | 1,179,266,658 | |
| 4.2 | Unquoted +securities (total number of each +class of +securitiesissued but not quoted on ASX) | |
| --- | --- |
| ASX +security code and description | Total<br> number of<br> +securities on issue | |
|---|---|---|
| RADAK : OPTION EXPIRING 01-JUN-2027 EX 0.60 | 1,666,500 | |
| RADAN : OPTION EXPIRING VARIOUS DATES EX VARIOUS PRICES | 387,179,525 | |
| RADAJ : OPTION EXPIRING 01-JUL-2027 EX 0.17 | 12,425,675 | |
| RADAF : OPTION EXPIRING 25-NOV-2026 RESTRICTED | 8,666,678 | |
| RADAG : OPTION EXPIRING 25-NOV-2026 EX 0.60 | 5,066,672 | |
| RADAI : OPTION EXPIRING 27-MAY-2027 EX 0.60 | 740,000 | |
| RADAP : OPTION EXPIRING 24-APR-2028 EX 0.09 | 8,955,224 |
All values are in US Dollars.
| Appendix 2A - Application for quotation of securities | 6/6 |
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