aTYR PHARMA INC — Director's Dealing 2016

Sep 22, 2016

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: aTYR PHARMA INC (LIFE)
CIK: 0001339970
Period of Report: 2016-09-21

Reporting Person: King David John (See Remarks)

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2016-09-21	Employee Stock Option (right to buy)	$3.29	A	145000	Acquired	2026-09-21	Common Stock (145000)	Direct

Footnotes

F1: 1/4 of the shares subject to this option shall vest and become exercisable on September 21, 2017, and the remainder shall thereafter vest in 36 equal monthly installments, such that this option is fully exercisable on September 21, 2020. This option is subject to accelerated vesting upon termination without cause upon a change of control of the Issuer.