PAIN THERAPEUTICS INC

CUSIP: 69562K100 Class: CMN

GROUP ONE TRADING, L.P.'s Holding History (CIK: 0000932540)

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

Q1 2017
Shares 17,934 Value ($000) $16 Avg Close — Range —
Q4 2016
Shares 17,934 Value ($000) $10 Avg Close — Range —
Q3 2016
Shares 13,634 Value ($000) $14 Avg Close — Range —
Q3 2013
Shares 10,887 Value ($000) $30 Avg Close — Range —