ALCOBRA LTD

CUSIP: M2239P109 Class: SHS

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

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

Q2 2017
Shares 4,989 Value ($000) $6 Avg Close — Range —
Q1 2017
Shares 11,529 Value ($000) $13 Avg Close — Range —
Q4 2016
Shares 51,258 Value ($000) $108 Avg Close — Range —
Q3 2016
Shares 107,829 Value ($000) $266 Avg Close — Range —
Q2 2016
Shares 206,128 Value ($000) $926 Avg Close — Range —
Q1 2016
Shares 199,031 Value ($000) $754 Avg Close — Range —
Q4 2015
Shares 234,658 Value ($000) $1,474 Avg Close — Range —
Q3 2015
Shares 18,076 Value ($000) $109 Avg Close — Range —
Q2 2015
Shares 24,220 Value ($000) $158 Avg Close — Range —
Q1 2015
Shares 32,028 Value ($000) $180 Avg Close — Range —
Q4 2014
Shares 40,767 Value ($000) $152 Avg Close — Range —