OPHTHOTECH CORP

CUSIP: 683745103 Class: COM

TANG CAPITAL MANAGEMENT LLC's Holding History (CIK: 0001232621)

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

Q1 2019
Shares 600,000 Value ($000) $846 Avg Close — Range —
Q4 2018
Shares 600,000 Value ($000) $720 Avg Close — Range —