THRESHOLD PHARMACEUTICAL INC

CUSIP: 885807206 Class: CMN

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

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

Q2 2017
Shares 4,877 Value ($000) $2 Avg Close — Range —
Q1 2017
Shares 4,877 Value ($000) $3 Avg Close — Range —
Q4 2016
Shares 12,877 Value ($000) $6 Avg Close — Range —
Q3 2016
Shares 29,271 Value ($000) $20 Avg Close — Range —
Q2 2016
Shares 22,247 Value ($000) $14 Avg Close — Range —
Q1 2016
Shares 37,570 Value ($000) $17 Avg Close — Range —
Q4 2015
Shares 36,120 Value ($000) $17 Avg Close — Range —
Q3 2015
Shares 26,353 Value ($000) $107 Avg Close — Range —
Q2 2015
Shares 9,377 Value ($000) $38 Avg Close — Range —
Q1 2015
Shares 9,758 Value ($000) $40 Avg Close — Range —
Q4 2014
Shares 39,461 Value ($000) $125 Avg Close — Range —
Q3 2014
Shares 74,653 Value ($000) $270 Avg Close — Range —
Q2 2014
Shares 33,604 Value ($000) $133 Avg Close — Range —
Q1 2014
Shares 52,491 Value ($000) $250 Avg Close — Range —
Q4 2013
Shares 18,488 Value ($000) $86 Avg Close — Range —
Q3 2013
Shares 2,905 Value ($000) $14 Avg Close — Range —
Q2 2013
Shares 16,453 Value ($000) $87 Avg Close — Range —