OPHTHOTECH CORP

CUSIP: 683745103 Class: COM

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

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

Q4 2018
Shares 3,372 Value ($000) $4 Avg Close — Range —
Q3 2018
Shares 11,162 Value ($000) $26 Avg Close — Range —
Q2 2018
Shares 10,262 Value ($000) $28 Avg Close — Range —
Q1 2017
Shares 38,857 Value ($000) $142 Avg Close — Range —
Q4 2016
Shares 180,409 Value ($000) $871 Avg Close — Range —
Q3 2016
Shares 23,725 Value ($000) $1,094 Avg Close — Range —
Q2 2016
Shares 24,332 Value ($000) $1,242 Avg Close — Range —
Q1 2016
Shares 1,862 Value ($000) $79 Avg Close — Range —
Q4 2015
Shares 3,062 Value ($000) $240 Avg Close — Range —
Q3 2015
Shares 4,766 Value ($000) $193 Avg Close — Range —
Q2 2015
Shares 12,817 Value ($000) $667 Avg Close — Range —
Q1 2015
Shares 14,388 Value ($000) $669 Avg Close — Range —
Q4 2014
Shares 6,051 Value ($000) $272 Avg Close — Range —
Q3 2014
Shares 4,551 Value ($000) $177 Avg Close — Range —
Q2 2014
Shares 6,900 Value ($000) $292 Avg Close — Range —
Q1 2014
Shares 9,723 Value ($000) $348 Avg Close — Range —
Q4 2013
Shares 8,951 Value ($000) $290 Avg Close — Range —