US ECOLOGY INC

CUSIP: 91734M103 Class: COMMON STOCK

GREAT WEST LIFE ASSURANCE CO /CAN/'s Holding History (CIK: 0001046192)

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

Q1 2022
Shares 26,981 Value ($000) $1,327 Avg Close — Range —
Q4 2021
Shares 27,823 Value ($000) $888 Avg Close — Range —
Q3 2021
Shares 27,615 Value ($000) $899 Avg Close — Range —
Q2 2021
Shares 26,487 Value ($000) $994 Avg Close — Range —
Q1 2021
Shares 27,418 Value ($000) $1,141 Avg Close — Range —
Q4 2020
Shares 30,550 Value ($000) $1,109 Avg Close — Range —
Q3 2020
Shares 34,784 Value ($000) $1,136 Avg Close — Range —
Q2 2020
Shares 30,776 Value ($000) $1,042 Avg Close — Range —
Q1 2020
Shares 32,904 Value ($000) $996 Avg Close — Range —
Q4 2019
Shares 32,106 Value ($000) $1,842 Avg Close — Range —