GTX INC DEL

CUSIP: 40052B108 Class: CMN

DIMENSIONAL FUND ADVISORS LP's Holding History (CIK: 0000354204)

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

Q3 2014
Shares 11,204 Value ($000) $8 Avg Close — Range —
Q2 2014
Shares 18,504 Value ($000) $26 Avg Close — Range —
Q1 2014
Shares 45,651 Value ($000) $70 Avg Close — Range —
Q4 2013
Shares 178,681 Value ($000) $295 Avg Close — Range —
Q3 2013
Shares 217,654 Value ($000) $437 Avg Close — Range —
Q2 2013
Shares 347,633 Value ($000) $2,294 Avg Close — Range —