US ECOLOGY INC

CUSIP: 91734M103 Class: COMMON STOCK

COMMONWEALTH OF PENNSYLVANIA PUBLIC SCHOOL EMPLS RETRMT SYS's Holding History (CIK: 0001083190)

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

Q1 2022
Shares 26,958 Value ($000) $1,291 Avg Close — Range —
Q4 2021
Shares 27,191 Value ($000) $868 Avg Close — Range —
Q3 2021
Shares 25,867 Value ($000) $837 Avg Close — Range —
Q2 2021
Shares 24,183 Value ($000) $907 Avg Close — Range —
Q1 2021
Shares 24,293 Value ($000) $1,012 Avg Close — Range —
Q4 2020
Shares 24,411 Value ($000) $887 Avg Close — Range —
Q3 2020
Shares 24,451 Value ($000) $799 Avg Close — Range —
Q2 2020
Shares 12,845 Value ($000) $435 Avg Close — Range —
Q1 2020
Shares 12,804 Value ($000) $389 Avg Close — Range —
Q4 2019
Shares 8,628 Value ($000) $500 Avg Close — Range —