 SAN DIEGO, Oct. 2, 2021 PRNewswire -- Shareholder Rights Law Firm Johnson Fistel, LLP, investigates potential claims on behalf of Vaxart, Inc. NASDAQ: VXRT against certain of its officers for violations of federal securities laws. If you are a current shareholder of Vaxart, holding shares before June 25, 2020 , you may have standing to hold Vaxart harmless from the alleged harm caused by the officers of the Company by making them personally responsible. 