ATNM DEADLINE NOTICE: ROSEN, A HIGHLY RECOGNIZED LAW FIRM, Encourages Actinium Pharmaceuticals, Inc. Investors with Losses in Excess of $100K to Secure Counsel Before Important May 27 Deadline in Securities Class Action - ATNM - Actinium Pharma (AMEX:ATNM)

Actinium Pharmaceuticals (ATNM) announced early Phase 1 trial results for ATNM-400, a non-PSMA targeted radiotherapy for metastatic castration-resistant prostate cancer (mCRPC), to be presented at EANM 2026. The study assesses safety, biodistribution, and dosimetry of Zirconium-89-labeled ATNM-400, aiming to inform therapeutic dosing with Actinium-225-labeled ATNM-400.

Actinium Pharmaceuticals presented early Phase 1 trial data for ATNM-400, a non-PSMA targeted radiotherapy for metastatic castration-resistant prostate cancer (mCRPC). The study aims to assess safety, biodistribution, and dosimetry of Zirconium-89-labeled ATNM-400, with plans to advance to Actinium-225-labeled therapy. According to the company, ATNM-400 targets a novel antigen and could benefit a broad mCRPC patient population, including those resistant to PSMA-directed therapies.

Actinium Pharmaceuticals (NYSE American: ATNM) said it expanded Actimab-A intellectual property with multiple newly issued US patents and additional pre-grant/allowed applications, covering uses in AML, MDS, and solid tumors, including combinations with venetoclax and CLAG-M. The company also amended its IND to add a manufacturing source and reported NYSE American listing compliance plan acceptance through Nov. 27, 2027.

Actinium Pharmaceuticals said the Canadian Intellectual Property Office issued Notices of Allowance for two patent applications covering its Actimab-A and Iomab-ACT programs. The Actimab-A/CLAG-M AML combination allowance is expected to issue with a term into Jan. 2039; the CD45 conditioning for gene-edited cell therapies is expected to issue with a term into Oct. 2038. Actinium said this adds to a global portfolio of about 250 issued and pending patents.

Actinium Pharmaceuticals (NYSE American: ATNM) said it will present new ATNM-400 (Actinium-225 antibody radioconjugate) data at SNMMI 2026 in Los Angeles May 30–June 2, with three posters on prostate cancer, NSCLC, and radioconjugate optimization. Separately, NYSE American notified the company it is not in compliance with $4.0m stockholders’ equity requirements; Actinium must submit a compliance plan by June 26, 2026.

Netflix announced Bela Bajaria is stepping down as Chief Content Officer, replaced by Peter Rice. Ted Sarandos praised her decade of service. This follows Netflix's recent layoffs of 1,000 employees. Bajaria led content expansion, including unscripted programming and live events.