SUPERIOR ENERGY SVCS INC

CUSIP: 868157108 Class: COM

ESSEX INVESTMENT MANAGEMENT CO LLC's Holding History (CIK: 0000201772)

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

Q3 2013
Shares 12,137 Value ($000) $304 Avg Close — Range —
Q2 2013
Shares 11,774 Value ($000) $305 Avg Close — Range —