Ian Lawrence Turner - 18 Mar 2026 Form 3 Insider Report for Radiopharm Theranostics Ltd (RADX)

Source evidence Original filing metadata and source links for verification. 3 source fields
SEC form
3
Accepted by SEC
01 Apr 2026, 06:08:41 UTC
Source filing
View source filing
Reporting owner 1 detail
Reporting owner signature
/s/ Ian Lawrence Turner

Key filing fact

Ian Lawrence Turner filed Form 3 for Radiopharm Theranostics Ltd (RADX) on 01 Apr 2026.

Key facts

  • This page summarizes Ian Lawrence Turner's Form 3 filing for Radiopharm Theranostics Ltd (RADX).
  • 0 reported transactions and 12 derivative rows are listed below.
  • Accepted by SEC: 01 Apr 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 0002121622 Primary reporting owner

Turner Ian Lawrence

Relationship
Director
Address
SUITE 1 LEVEL 3, 62 LYGON STREET, CARLTON SOUTH, VICTORIA, AUSTRALIA
Signature
/s/ Ian Lawrence Turner
Signature date
01 Apr 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
6,985,292
Date
18 Mar 2026
Ownership
Direct
RADX holding

Ordinary Shares

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after
3,000,000
Date
18 Mar 2026
Ownership
Held through the Turner Discretionary Trust, of which Mr. Turner is the sole beneficiary

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
6,814,000
Exercise price
$0.0250
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
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
F2
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
1,346,801
Exercise price
$0.0410
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
2,693,603
Exercise price
$0.0410
Footnotes
F3
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
1,125,000
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
Direct
Underlying class
Ordinary Shares
Underlying amount
483,622
Exercise price
$0.1120
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
483,768
Exercise price
$0.1120
Footnotes
F4
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
550,448
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
550,614
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 Mr. Turner's superannuation fund
Underlying class
Ordinary Shares
Underlying amount
750,000
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
Direct
Underlying class
Ordinary Shares
Underlying amount
70,422
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 4 footnotes

Footnote F1

Granted on December 12, 2025. 2,271,333 options will vest on July 1, 2026, 2,271,333 options will vest on July 1, 2027 and 2,271,334 options will vest on July 1, 2028 provided Mr. Turner is still a Director on such dates.

Footnote F2

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 Mr. Turner is still a Director on such dates.

Footnote F3

Granted on December 16, 2024. 1,346,801 options will vest on July 1, 2026 and 1,346,802 options will vest on July 1, 2027 subject to Mr. Turner achieving certain milestones.

Footnote F4

Granted on December 1, 2023. 483,768 options will vest on July 1, 2026 subject to Mr. Turner achieving certain milestones.

SEC remarks

1. All exercise prices are in Australian dollars.

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