Form 4 Filing for Actinium Pharmaceuticals, Inc.

This filing details transactions by C. David Nicholson, a director at Actinium Pharmaceuticals, Inc. On September 2, 2026, Nicholson acquired 62,800 shares of Common Stock under a restricted stock unit (RSU) grant, which vests over three years. Additionally, Nicholson was granted 94,200 stock options with a right to buy, exercisable in fifty equal monthly tranches starting from the grant date, vesting over 50 months. These transactions are reported on Form 4, with the signature date of September 4, 2026.