STOCK TITAN

Radiopharm Theranostics (RADX) director Ian Turner reports share and option holdings

Filing Impact
(Neutral)
Filing Sentiment
(Neutral)
Form Type
3

Rhea-AI Filing Summary

Radiopharm Theranostics Ltd director Ian Lawrence Turner has filed an initial Form 3 detailing his equity position in RADX. The filing shows direct ownership of 6,985,292 Ordinary Shares and indirect ownership of 3,000,000 Ordinary Shares held through the Turner Discretionary Trust, where he is the sole beneficiary.

Mr. Turner also holds multiple option awards over Ordinary Shares with exercise prices ranging from 0.0250 to 0.2000 per share and expirations between 2026 and 2030. Footnotes explain that several grants vest in tranches between July 2026 and July 2028, in some cases only if he remains a director or achieves specified milestones.

Positive

  • None.

Negative

  • None.
Insider Turner Ian Lawrence
Role Director
Type Security Shares Price Value
holding Option (right to buy) -- -- --
holding Option (right to buy) -- -- --
holding Option (right to buy) -- -- --
holding Option (right to buy) -- -- --
holding Option (right to buy) -- -- --
holding Option (right to buy) -- -- --
holding Option (right to buy) -- -- --
holding Option (right to buy) -- -- --
holding Option (right to buy) -- -- --
holding Option (right to buy) -- -- --
holding Option (right to buy) -- -- --
holding Option (right to buy) -- -- --
holding Option (right to buy) -- -- --
holding Option (right to buy) -- -- --
holding Ordinary Shares -- -- --
holding Ordinary Shares -- -- --
Holdings After Transaction: Option (right to buy) — 6,814,000 shares (Direct); Option (right to buy) — 750,000 shares (Indirect, Held through Mr. Turner's superannuation fund); Ordinary Shares — 6,985,292 shares (Direct); Ordinary Shares — 3,000,000 shares (Indirect, Held through the Turner Discretionary Trust, of which Mr. Turner is the sole beneficiary)
Footnotes (1)
  1. 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. 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. 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. Granted on December 1, 2023. 483,768 options will vest on July 1, 2026 subject to Mr. Turner achieving certain milestones.
Direct Ordinary Share Holdings 6,985,292 shares Total Ordinary Shares held directly as of 2026-03-18
Indirect Ordinary Share Holdings 3,000,000 shares Ordinary Shares held through the Turner Discretionary Trust
Largest Option Grant 6,814,000 underlying shares at 0.0250 per share Option over Ordinary Shares expiring 2030-07-01, direct
2024 Option Grant (0.0600) 2,666,667 underlying shares at 0.0600 per share Option expiring 2029-09-30, direct holding
Milestone-based Option Grant 1,346,801 underlying shares at 0.0410 per share Granted 2024-12-16; vesting from 2026 subject to milestones
Superannuation Fund Options 750,000 underlying shares at 0.0600 per share Indirect holding via Mr. Turner’s superannuation fund, expires 2026-08-24
Higher-price Options 550,448 underlying shares at 0.1700 per share Option expiring 2027-07-30, direct holding
Earliest Grant Exercise Price 0.2000 per share Option over 70,422 underlying shares, expiring 2026-11-30
Option (right to buy) financial
"security_title": "Option (right to buy)""
Ordinary Shares financial
"underlying_security_title": "Ordinary Shares""
Ordinary shares are a type of ownership stake in a company, giving shareholders a right to participate in the company’s profits and decision-making through voting. They are similar to owning a piece of a business, and their value can rise or fall based on the company's performance. Investors buy ordinary shares to potentially earn dividends and benefit from the company's growth over time.
superannuation fund financial
"Held through Mr. Turner's superannuation fund"
Turner Discretionary Trust financial
"Held through the Turner Discretionary Trust, of which Mr. Turner is the sole beneficiary"
milestones financial
"options will vest on July 1, 2026 subject to Mr. Turner achieving certain milestones"
Milestones are specific, measurable progress points a company aims to reach during a project—like completing a clinical trial step, securing a regulatory approval, or hitting a sales target. They matter to investors because each checkpoint reduces uncertainty about the business plan, can trigger payments or changes in valuation, and often signals whether future revenue or growth is likely, similar to passing checkpoints on a racecourse that show how close you are to the finish line.
vesting financial
"options will vest on July 1, 2026, 2027 and 2028 provided Mr. Turner is still a Director"
Vesting is the process by which you earn full ownership of something, like company stock or a retirement benefit, over time. It’s like earning the right to keep a gift piece by piece the longer you stay with a company, making sure employees stay committed before they receive all the benefits.
SEC Form 3
FORM 3UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940
OMB APPROVAL
OMB Number:3235-0104
Estimated average burden
hours per response:0.5
1. Name and Address of Reporting Person*
Turner Ian Lawrence

(Last)(First)(Middle)
SUITE 1 LEVEL 3
62 LYGON STREET

(Street)
CARLTON SOUTH, VICTORIA3053

(City)(State)(Zip)

AUSTRALIA

(Country)
2. Date of Event Requiring Statement (Month/Day/Year)
03/18/2026
3. Issuer Name and Ticker or Trading Symbol
Radiopharm Theranostics Ltd [ RADX ]
3a. Foreign Trading Symbol
5. If Amendment, Date of Original Filed (Month/Day/Year)
4. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
XDirector10% Owner
Officer (give title below)Other (specify below)
6. Individual or Joint/Group Filing (Check Applicable Line)
XForm filed by One Reporting Person
Form filed by More than One Reporting Person
Table I - Non-Derivative Securities Beneficially Owned
1. Title of Security (Instr. 4) 2. Amount of Securities Beneficially Owned (Instr. 4) 3. Ownership Form: Direct (D) or Indirect (I) (Instr. 5) 4. Nature of Indirect Beneficial Ownership (Instr. 5)
Ordinary Shares6,985,292D
Ordinary Shares3,000,000IHeld through the Turner Discretionary Trust, of which Mr. Turner is the sole beneficiary
Table II - Derivative Securities Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 4) 2. Date Exercisable and Expiration Date (Month/Day/Year)3. Title and Amount of Securities Underlying Derivative Security (Instr. 4) 4. Conversion or Exercise Price of Derivative Security 5. Ownership Form: Direct (D) or Indirect (I) (Instr. 5) 6. Nature of Indirect Beneficial Ownership (Instr. 5)
Date ExercisableExpiration DateTitleAmount or Number of Shares
Option (right to buy) (1)07/01/2030Ordinary Shares6,814,000$0.025D
Option (right to buy)09/30/202509/30/2029Ordinary Shares2,666,667$0.06D
Option (right to buy) (2)09/30/2029Ordinary Shares5,333,333$0.06D
Option (right to buy)07/01/202506/30/2029Ordinary Shares1,346,801$0.041D
Option (right to buy) (3)06/30/2029Ordinary Shares2,693,603$0.041D
Option (right to buy)09/12/202408/24/2026Ordinary Shares1,125,000$0.06D
Option (right to buy)07/01/202407/01/2028Ordinary Shares483,622$0.112D
Option (right to buy)07/01/202507/01/2028Ordinary Shares483,622$0.112D
Option (right to buy) (4)07/01/2028Ordinary Shares483,768$0.112D
Option (right to buy)07/01/202307/30/2027Ordinary Shares550,448$0.17D
Option (right to buy)07/01/202407/30/2027Ordinary Shares550,448$0.17D
Option (right to buy)07/01/202507/30/2027Ordinary Shares550,614$0.17D
Option (right to buy)09/12/202408/24/2026Ordinary Shares750,000$0.06IHeld through Mr. Turner's superannuation fund
Option (right to buy)11/25/202211/30/2026Ordinary Shares70,422$0.2D
Explanation of Responses:
1. 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.
2. 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.
3. 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.
4. Granted on December 1, 2023. 483,768 options will vest on July 1, 2026 subject to Mr. Turner achieving certain milestones.
Remarks:
1. All exercise prices are in Australian dollars.
/s/ Ian Lawrence Turner04/01/2026
** Signature of Reporting PersonDate
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 5 (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.
* Form 3: SEC 1473 (03-26)