 SAN DIEGO, Sept. 15, 2021 GLOBE NEWSWIRE -- aTyr Pharma, Inc. Nasdaq: LIFE, a clinical stage biotherapeutics company engaged in the discovery and development of innovative medicines based on novel biological pathways, today announced that it has commenced an underwritten public offering of shares of its common stock. In addition, aTyr expects to grant the underwriters a 30-day option to purchase additional shares of its common stock. All of the shares to be sold in the offering are to be sold by aTyr. The offering is subject to market and other conditions, and there can be no assurance as to whether or when the offering may be completed, or the actual size or terms of the offering. 