Paul Hopper - 18 Mar 2026 Form 3 Insider Report for Radiopharm Theranostics Ltd (RADX)

Reporting relationship
Director
Issuer ticker
RADX
Reported as of
18 Mar 2026
Net transaction value
$0
Source evidence Original filing metadata and source links for verification. 3 source fields
SEC form
3
Accepted by SEC
06 May 2026, 06:08:16 UTC
Source filing
View source filing
Reporting owner 1 detail
Reporting owner signature
/s/ Paul Hopper

Key filing fact

Paul Hopper filed Form 3 for Radiopharm Theranostics Ltd (RADX) on 06 May 2026.

Key facts

  • This page summarizes Paul Hopper's Form 3 filing for Radiopharm Theranostics Ltd (RADX).
  • 0 reported transactions and 8 derivative rows are listed below.
  • Accepted by SEC: 06 May 2026, 06:08.

Change

  • No earlier filing in this sequence is available for direct comparison.
  • Current net transaction value: $0.

Research use

  • This tells you what this filing adds before you inspect full transaction and derivative tables.
  • You can trace every row back to the original SEC filing document.

Evidence

Official SEC source

Ownership activity is grounded in SEC Form 3 disclosures.

View source filing

Reporting Owners (1)

CIK 0002045367 Primary reporting owner

HOPPER PAUL

Relationship
Director
Address
SUITE 1 LEVEL 3, 62 LYGON STREET, CARLTON SOUTH, VICTORIA, AUSTRALIA
Signature
/s/ Paul Hopper
Signature date
06 May 2026

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

RADX holding

Ordinary Shares

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after
53,900,000
Date
18 Mar 2026
Ownership
Direct
RADX holding

Ordinary Shares

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after
250,000
Date
18 Mar 2026
Ownership
Held by Deborah Coleman, who is Mr. Hopper's spouse.
RADX holding

Ordinary Shares

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after
93,571,428
Date
18 Mar 2026
Ownership
Held through Kilinwata Investments Pty Ltd, of which Mr. Hopper is the sole Shareholder and Director

Reported derivative securities

Options, warrants, convertible securities, or similar derivative positions disclosed in the filing.

RADX holding Derivative

Option (right to buy)

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after
Date
18 Mar 2026
Ownership
Direct
Underlying class
Ordinary Shares
Underlying amount
2,666,667
Exercise price
$0.0600
RADX holding Derivative

Option (right to buy)

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after
Date
18 Mar 2026
Ownership
Direct
Underlying class
Ordinary Shares
Underlying amount
5,333,333
Exercise price
$0.0600
Footnotes
F1
RADX holding Derivative

Option (right to buy)

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after
Date
18 Mar 2026
Ownership
Held through Kilinwata Investments Pty Ltd, of which Mr. Hopper is the sole Shareholder and Director
Underlying class
Ordinary Shares
Underlying amount
1,403,303
Exercise price
$0.1700
RADX holding Derivative

Option (right to buy)

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after
Date
18 Mar 2026
Ownership
Held through Kilinwata Investments Pty Ltd, of which Mr. Hopper is the sole Shareholder and Director
Underlying class
Ordinary Shares
Underlying amount
1,403,723
Exercise price
$0.1700
RADX holding Derivative

Option (right to buy)

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after
Date
18 Mar 2026
Ownership
Direct
Underlying class
Ordinary Shares
Underlying amount
6,046,729
Exercise price
$0.0250
RADX holding Derivative

Option (right to buy)

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after
Date
18 Mar 2026
Ownership
Direct
Underlying class
Ordinary Shares
Underlying amount
6,048,542
Exercise price
$0.0250
RADX holding Derivative

Option (right to buy)

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after
Date
18 Mar 2026
Ownership
Direct
Underlying class
Ordinary Shares
Underlying amount
27,500,000
Exercise price
$0.0600
RADX holding Derivative

Option (right to buy)

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after
Date
18 Mar 2026
Ownership
Held through Kilinwata Investments Pty Ltd, of which Mr. Hopper is the sole Shareholder and Director
Underlying class
Ordinary Shares
Underlying amount
3,571,428
Exercise price
$0.2000
* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 1 footnote

Footnote F1

Granted on December 16, 2024. 2,666,667 options will vest on September 30, 2026 and 2,666,666 options will vest on September 30, 2027 provided that Mr. Hopper is still a Director on such dates.

SEC remarks

1. All exercise prices are in Australian dollars.

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