 SAN DIEGO, Aug. 21, 2021 PRNewswire -- Robbins Geller Rudman Dowd LLP announces that purchasers of Athira Pharma, Inc. NASDAQ: ATHA securities between September 18, 2020 and June 17, 2021, inclusive the Class Period, have until August 24, 2021 to seek appointment as lead plaintiff in the Athira Pharma class action lawsuit. The Athira Pharma class action lawsuit Wang v. 