GTX INC DEL

CUSIP: 40052B108 Class: CMN

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

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

Q1 2014
Shares 47,265 Value ($000) $72 Avg Close — Range —
Q4 2013
Shares 47,265 Value ($000) $78 Avg Close — Range —
Q3 2013
Shares 47,265 Value ($000) $95 Avg Close — Range —
Q2 2013
Shares 45,704 Value ($000) $302 Avg Close — Range —
Q1 2013
Shares 45,821 Value ($000) $190 Avg Close — Range —