Amgen Inc.: Please contact the Portnoy Law Firm to recover your losses; May 12, 2023 deadline.

​LOS ANGELES, March 20, 2023 (GLOBE NEWSWIRE) -- The Portnoy Law Firm advises Amgen Inc. (NASDAQ: AMGN) investors that a lawsuit filed on behalf of investors that purchased Amgen securities  (NASDAQ: AMGN)  between July 29, 2020 and April 27, 2022, inclusive (the “Class Period”).