ATYR PHARMA INC

CUSIP: 002120103 Class: COM

CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM's Holding History (CIK: 0001081019)

Note: Option positions (PUT/CALL) are excluded.

Q1 2016
Shares 12,961 Value ($000) $51 Avg Close — Range —
Q4 2015
Shares 11,233 Value ($000) $110 Avg Close — Range —
Q3 2015
Shares 11,033 Value ($000) $113 Avg Close — Range —
Q2 2015
Shares 11,033 Value ($000) $204 Avg Close — Range —