ATNM - Actinium: SIERRA Is Progressing Well Towards Final Data Readout December, 16 2021 09:05 AM Actinium Pharmaceuticals Inc. ATNM came out with excellent BMT engraftment data at ASH. The molecule performs better than standard, non-targeted conditioning regiments both in terms of safety and efficacy. ATNM is trading near 52-week lows. For further details see: Actinium: SIERRA Is Progressing Well Towards Final Data Readout