# EDGAR Filing Document

**Accession Number:** 0001949257
**File Stem:** 0001213900-26-036753
**Filing Date:** 2026-3
**Character Count:** 6286
**Document Hash:** 6d2b7241682cc7a5c35ac8f89eb75923
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001213900-26-036753.hdr.sgml**: 20260331

**ACCESSION NUMBER**: 0001213900-26-036753

**CONFORMED SUBMISSION TYPE**: 3

**PUBLIC DOCUMENT COUNT**: 1

**CONFORMED PERIOD OF REPORT**: 20260318

**FILED AS OF DATE**: 20260331

**DATE AS OF CHANGE**: 20260331

**REPORTING-OWNER**: 

**OWNER DATA:**
- **COMPANY CONFORMED NAME:** Canevari Riccardo
- **CENTRAL INDEX KEY:** 0002123023

**ORGANIZATION NAME:**

**FILING VALUES:**
- **FORM TYPE:** 3
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 001-41621
- **FILM NUMBER:** 26816724

**MAIL ADDRESS:**
- **ADDRESS IS A NON US LOCATION:** YES
- **STREET 1:** SUITE 1 LEVEL 3, 62 LYGON STREET
- **CITY:** CARLTON SOUTH, VIC
- **PROVINCE COUNTRY:** C3
- **ZIP:** 3053
**ISSUER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** Radiopharm Theranostics Ltd
- **CENTRAL INDEX KEY:** 0001949257
- **STANDARD INDUSTRIAL CLASSIFICATION:** PHARMACEUTICAL PREPARATIONS [2834]
- **ORGANIZATION NAME:** 03 Life Sciences
- **EIN:** 000000000
- **STATE OF INCORPORATION:** C3
- **FISCAL YEAR END:** 0630

**BUSINESS ADDRESS:**
- **ADDRESS IS A NON US LOCATION:** YES
- **STREET 1:** LEVEL 3, 62 LYGON STREET
- **CITY:** CARLTON VIC
- **PROVINCE COUNTRY:** C3
- **ZIP:** 3053
- **BUSINESS PHONE:** 61 3 9824 5254

**MAIL ADDRESS:**
- **ADDRESS IS A NON US LOCATION:** YES
- **STREET 1:** LEVEL 3, 62 LYGON STREET
- **CITY:** CARLTON VIC
- **PROVINCE COUNTRY:** C3
- **ZIP:** 3053

### UNITED STATES SECURITIES AND EXCHANGE COMMISSION
**Washington, D.C. 20549**

## FORM 3

### INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES

[ ] Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

---

| | | |
|:---|:---|:---|
| **1. Name and Address of Reporting Person**<sup>*</sup><br>Canevari Riccardo<br><sub>(Last) (First) (Middle)</sub><br>SUITE 1 LEVEL 3, 62 LYGON STREET<br><sub>(Street)</sub><br>CARLTON SOUTH, VICTORIA, AUSTRALIA 3053<br><sub>(City) (State) (Zip)</sub> | **3. Issuer Name and Ticker or Trading Symbol**<br>Radiopharm Theranostics Ltd [ RADX ] | **5. If Amendment, Date of Original Filed (Month/Day/Year)**<br>  |
| **2. Date of Event Requiring Statement (Month/Day/Year)**<br>2026-03-18 | **4. Relationship of Reporting Person(s) to Issuer**<br>(Check all applicable)<br>[X] Director   [ ] 10% Owner<br>[X] Officer (give title below)   [ ] Other (specify below)<br>_Managing Director and CEO_ | **6. Individual or Joint/Group Filing (Check Applicable Line)**<br>[X] Form filed by One Reporting Person<br>[ ] Form filed by More than One Reporting Person |

---

## Table I - Non-Derivative Securities Beneficially Owned

---

|  |  |  |  |
| --- | --- | --- | --- |
| 1. Title of Security | 2. Amount of Securities Beneficially Owned | 3. Ownership Form | 4. Nature of Indirect Beneficial Ownership |
| Ordinary Shares | 22679986 | D |  |

---

## Table II - Derivative Securities Beneficially Owned

---

|  |  |  |  |  |  |  |  |
| --- | --- | --- | --- | --- | --- | --- | --- |
| 1. Title of Derivative Security | 2. Date Exercisable and Expiration Date (Month/Day/Year) | 2. Date Exercisable and Expiration Date (Month/Day/Year) | 3. Title and Amount of Underlying Securities | 3. Title and Amount of Underlying Securities | 4. Conversion or Exercise Price | 5. Ownership Form | 6. Nature of Indirect Beneficial Ownership |
| 1. Title of Derivative Security | Date Exercisable | Expiration Date | Title | Amount or Number of Shares | 4. Conversion or Exercise Price | 5. Ownership Form | 6. Nature of Indirect Beneficial Ownership |
| Option (right to buy) | 2022-11-25 | 2026-11-30 | Ordinary Shares | 1225352 | $0.20 | D |  |
| Option (right to buy) | 2024-09-13 | 2026-08-24 | Ordinary Shares | 1875000 | $0.060 | D |  |
| Option (right to buy) | 2021-11-19 | 2026-11-25 | Ordinary Shares | 8666678 | $0.60 | D |  |
| Option (right to buy) | 2023-07-01 | 2027-06-30 | Ordinary Shares | 4167946 | $0.170 | D |  |
| Option (right to buy) | 2024-07-01 | 2027-06-30 | Ordinary Shares | 4167946 | $0.170 | D |  |
| Option (right to buy) | 2025-07-01 | 2027-06-30 | Ordinary Shares | 4167946 | $0.170 | D |  |
| Option (right to buy) | 2024-07-01 | 2028-07-01 | Ordinary Shares | 2475384 | $0.112 | D |  |
| Option (right to buy) | 2025-07-01 | 2028-07-01 | Ordinary Shares | 2475384 | $0.112 | D |  |
| Option (right to buy) | <sup>(1)</sup> | 2028-07-01 | Ordinary Shares | 2476127 | $0.112 | D |  |
| Option (right to buy) | 2024-09-13 | 2026-09-30 | Ordinary Shares | 12000000 | $0.060 | D |  |
| Option (right to buy) | 2025-07-01 | 2026-09-30 | Ordinary Shares | 12000000 | $0.060 | D |  |
| Option (right to buy) | 2025-07-01 | 2029-06-30 | Ordinary Shares | 18416762 | $0.041 | D |  |
| Option (right to buy) | <sup>(2)</sup> | 2029-06-30 | Ordinary Shares | 36833524 | $0.041 | D |  |
| Option (right to buy) | <sup>(3)</sup> | 2030-07-01 | Ordinary Shares | 74338000 | $0.025 | D |  |

---

### Footnotes:

(1) Granted on December 01, 2023 and will vest on July 1, 2026 provided Mr. Canevari is still a Director on such dates.

(2) Granted on December 16, 2024. 18,416,762 options will vest on July 1, 2026 and 18,416,762 options will vest on July 1, 2027 provided Mr. Canevari is still a Director on such dates.

(3) Granted on December 12, 2025. 24,776,855 options will vest on July 1, 2026, 24,776,855 options will vest on July 1, 2027 and 24,784,290 options will vest on July 1, 2028 provided Mr. Canevari is still a Director on such dates.

**Remarks:**
All exercise prices are in Australian dollars.

**Signature:** /s/ Riccardo Canevari  
**Date:** 2026-03-31

### Remarks:

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.

* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).

** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).

Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.

**Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.**