US ECOLOGY INC

CUSIP: 91734M103 Class: COMMON STOCK

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

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

Q1 2020
Shares 18,000 Value ($000) $547 Avg Close — Range —
Q4 2019
Shares 27,800 Value ($000) $1,609 Avg Close — Range —