US ECOLOGY INC

CUSIP: 91732J102 Class: CMN

Portolan Capital Management, LLC's Holding History (CIK: 0001350290)

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

Q4 2015
Shares 10,784 Value ($000) $393 Avg Close — Range —
Q3 2015
Shares 86,523 Value ($000) $3,777 Avg Close — Range —