 Radnor, Pennsylvania--Newsfile Corp. - August 15, 2021 - The law firm of Kessler Topaz Meltzer Check, LLP reminds Athira Pharma, Inc. NASDAQ: ATHA Athira investors that securities fraud class action lawsuits have been filed on behalf of those who purchased or acquired Athira common stock: a pursuant andor traceable to the registration statement and prospectus collectively, the Registration Statement issued in connection with Athiras September 2020 initial public offering IPO; andor b... 