US ECOLOGY INC

CUSIP: 91732J102 Class: CMN

CASTLEARK MANAGEMENT LLC's Holding History (CIK: 0001106832)

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

Q2 2014
Shares 134,400 Value ($000) $6,579 Avg Close — Range —
Q3 2013
Shares 197,138 Value ($000) $9,218 Avg Close — Range —