US ECOLOGY INC

CUSIP: 91734M103 Class: COMMON STOCK

CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM's Holding History (CIK: 0001081019)

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

Q1 2022
Shares 40,436 Value ($000) $1,936 Avg Close — Range —
Q4 2021
Shares 43,617 Value ($000) $1,393 Avg Close — Range —
Q3 2021
Shares 42,830 Value ($000) $1,386 Avg Close — Range —
Q2 2021
Shares 43,411 Value ($000) $1,629 Avg Close — Range —
Q1 2021
Shares 47,584 Value ($000) $1,981 Avg Close — Range —
Q4 2020
Shares 47,756 Value ($000) $1,735 Avg Close — Range —
Q3 2020
Shares 47,756 Value ($000) $1,560 Avg Close — Range —
Q2 2020
Shares 46,942 Value ($000) $1,590 Avg Close — Range —
Q1 2020
Shares 36,420 Value ($000) $1,107 Avg Close — Range —
Q4 2019
Shares 36,832 Value ($000) $2,133 Avg Close — Range —