ARTHROCARE CORP

CUSIP: 043136100 Class: CMN

Spark Investment Management LLC's Holding History (CIK: 0001554871)

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

Q3 2013
Shares 6,500 Value ($000) $231 Avg Close — Range —
Q2 2013
Shares 6,500 Value ($000) $224 Avg Close — Range —