US ECOLOGY INC

CUSIP: 91734M103 Class: COMMON STOCK

DIMENSIONAL FUND ADVISORS LP's Holding History (CIK: 0000354204)

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

Q1 2022
Shares 820,335 Value ($000) $39,277 Avg Close — Range —
Q4 2021
Shares 786,639 Value ($000) $25,125 Avg Close — Range —
Q3 2021
Shares 793,923 Value ($000) $25,685 Avg Close — Range —
Q2 2021
Shares 805,201 Value ($000) $30,211 Avg Close — Range —
Q1 2021
Shares 807,504 Value ($000) $33,625 Avg Close — Range —
Q4 2020
Shares 840,081 Value ($000) $30,520 Avg Close — Range —
Q3 2020
Shares 847,191 Value ($000) $27,677 Avg Close — Range —
Q2 2020
Shares 852,996 Value ($000) $28,898 Avg Close — Range —
Q1 2020
Shares 857,187 Value ($000) $26,059 Avg Close — Range —
Q4 2019
Shares 857,187 Value ($000) $49,639 Avg Close — Range —