aTYR PHARMA INC|4Feb 8, 8:39 PM ET

Amanullah Ashraf 4

4 · aTYR PHARMA INC · Filed Feb 8, 2018

Form 4

Period: 2018-02-06

Vice President, Manufacturing

Transactions

Exercise/Conversion
Common Stock
2018-02-07+3,334→ 3,334 total
Award
Employee Stock Option (right to buy)
2018-02-06+100,000→ 100,000 total
Exercise: $3.30Exp: 2028-02-06→ Common Stock (100,000 underlying)
Sale
Common Stock
2018-02-08$3.40/sh−1,402$4,767→ 1,932 total
Exercise/Conversion
Restricted Stock Units
2018-02-07−3,334→ 6,666 total
Exercise: $0.00→ Common Stock (3,334 underlying)

Footnotes (4)

[F1]Represents shares acquired upon the vesting of restricted stock units (RSUs) granted to the Reporting Person on February 7, 2017.
[F2]Sale made by the Reporting Person in compliance with the provisions of Rule 10b5-1 to satisfy tax withholding obligations in connection with the partial vesting of RSUs granted on February 7, 2017.
[F3]The shares subject to this option shall vest and become exercisable in 48 equal monthly installments beginning March 6, 2018, such that this option will be fully exercisable on February 6, 2022. This option is subject to accelerated vesting upon termination without cause upon change of control of the issuer.
[F4]The RSU grant vests as to one-third (1/3) of the total number of units on each one year anniversary of the grant commencing on February 7, 2018.

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