Radiopharm Theranostics Ltd

6-K 1 ea0309618-6k_radiopharm.htm REPORT OF FOREIGN PRIVATE ISSUER

Level 3, 62 Lygon Street, Carlton South, Victoria, 3053, Australia

Indicate by check mark whether the registrant files or will file annual reports under cover of Form 20-F or Form 40-F.

Radiopharm Theranostics Limited (the "Company") published one announcement (the "Public Notice") to the Australian Securities Exchange on October 26, 2026 titled:

"Radiopharm receives $8M advance on FY26 R&D tax incentive"

Acopy of the Public Notice is attached as an exhibit to this report on Form 6-K.

This Form 6-K, including the exhibits hereto, is incorporated by reference into the registration statement of the Company on Form F-3 (File No. 333-292178 ) and forms part thereof to the extent not superseded by documents or reports subsequently filed by the Company under the Securities Act of 1933 or the Securities Exchange Act of 1934.

99.1 Radiopharm receives $8M advance on FY26 R&D tax incentive