X0306 4 2017-08-31 0 0001339970 aTYR PHARMA INC LIFE 0001236447 SCHIMMEL PAUL 3545 JOHN HOPKINS COURT, SUITE #250 SAN DIEGO CA 92121 1 0 0 0 Common Stock 40440 D Common Stock 2017-08-31 4 P 0 94336 2.65 A 377917 I See Footnote Common Stock 721814 I See Footnote Warrant to Purchase Common Stock 4.64 2017-08-31 4 P 0 35376 A 2017-08-31 2019-12-31 Common Stock 35376 35376 I See Footnote Represents shares acquired in a private placement pursuant to a Securities Purchase Agreement dated August 27, 2017 by and among the Company and select group of institutional and accredited investors named therein (the "Securities Purchase Agreement"). Pursuant to the terms of the Securities Purchase Agreement, investors purchased common stock units for $2.65 per common stock unit. Each common stock unit consisted of one share of the Company's Common Stock and a warrant to purchase 0.375 shares of the Company's Common Stock. These shares are owned directly by Paul Schimmel Prototype PSP, Paul Schimmel Trustee, FBO Paul Schimmel. The Reporting Person is the sole owner of the Paul Schimmel Prototype PSP, Paul Schimmel Trustee, FBO Paul Schimmel, which was incorrectly reported as Paul R. Schimmel Prototype PSP on past Form 4s filed by the Reporting Person. There shares are owned directly by Schimmel Revocable Trust U/A Dtd 9/6/2000. The Reporting Person and his spouse are trustees of the Schimmel Revocable Trust U/A Dtd 9/6/2000. Nancy D. Krueger, Attorney-in-Fact 2017-09-05