US ECOLOGY INC

CUSIP: 91734M103 Class: COMMON STOCK

MASON STREET ADVISORS, LLC's Holding History (CIK: 0001167711)

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

Q4 2020
Shares 11,751 Value ($000) $427 Avg Close — Range —
Q3 2020
Shares 11,822 Value ($000) $386 Avg Close — Range —
Q2 2020
Shares 9,580 Value ($000) $325 Avg Close — Range —
Q1 2020
Shares 8,864 Value ($000) $269 Avg Close — Range —
Q4 2019
Shares 8,864 Value ($000) $513 Avg Close — Range —