 BOTHELL, Wash., Aug. 05, 2021 GLOBE NEWSWIRE -- Athira Pharma, Inc. NASDAQ: ATHA, a late clinical-stage biopharmaceutical company focused on developing small molecules to restore neuronal health and stop neurodegeneration, mourns the passing of Tadataka Tachi Yamada, M.D., the chair of the companys board of directors. 