Stifel downgraded Atara Biotherapeutics (NASDAQ:ATRA) to “hold” from “buy” and lowered its price target to $5 from $16, following the company’s interim Phase 2 analysis with ATA188 for the treatment of multiple...
By Len Zehr As president and CEO of Atara Biotherapeutics (NASDAQ:ATRA), Dr. Isaac Ciechanover has spent the past 20 years working with entrepreneurs and life sciences organizations to advance medicine through...