US ECOLOGY INC

CUSIP: 91732J102 Class: CMN

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

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

Q3 2019
Shares 7,492 Value ($000) $479 Avg Close — Range —
Q2 2019
Shares 7,565 Value ($000) $450 Avg Close — Range —
Q1 2019
Shares 7,575 Value ($000) $424 Avg Close — Range —
Q4 2018
Shares 7,557 Value ($000) $476 Avg Close — Range —
Q3 2018
Shares 5,248 Value ($000) $387 Avg Close — Range —
Q2 2018
Shares 4,639 Value ($000) $296 Avg Close — Range —