NEW YORK, April 23, 2025 (GLOBE NEWSWIRE) -- The Gross Law Firm issues the following notice to shareholders of Actinium Pharmaceuticals, Inc. (NYSE: ATNM). Shareholders who purchased shares of ATNM during the class period listed are encouraged to contact the firm regarding possible lead plaintiff appointment. Appointment as lead plaintiff is not required to partake in any recovery. CONTACT US HERE: https://securitiesclasslaw.com/securities/actinium-loss-submission-form/?id=144420&from=3 CLASS PERIOD: Octobe ...