CELLADON CORP

CUSIP: 15117E107 Class: COM

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

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

Q4 2015
Shares 20,684 Value ($000) $30 Avg Close — Range —
Q3 2015
Shares 43,220 Value ($000) $45 Avg Close — Range —
Q2 2015
Shares 20,427 Value ($000) $26 Avg Close — Range —