ANACOR PHARMACEUTICALS INC

CUSIP: 32420101 Class: COM

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

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

Q1 2016
Shares 16,839 Value ($000) $900 Avg Close — Range —
Q4 2015
Shares 23,702 Value ($000) $2,678 Avg Close — Range —
Q3 2015
Shares 38,507 Value ($000) $4,533 Avg Close — Range —
Q2 2015
Shares 40,019 Value ($000) $3,099 Avg Close — Range —
Q1 2015
Shares 12,214 Value ($000) $707 Avg Close — Range —
Q4 2014
Shares 10,251 Value ($000) $331 Avg Close — Range —
Q2 2014
Shares 19,887 Value ($000) $353 Avg Close — Range —
Q1 2014
Shares 13,274 Value ($000) $266 Avg Close — Range —
Q3 2013
Shares 4,047 Value ($000) $43 Avg Close — Range —