U S SILICA HLDGS INC

CUSIP: 90346E103 Class: Common Stock

Parallax Volatility Advisers, L.P.'s Holding History (CIK: 0001521001)

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

Q3 2022
Shares 582 Value ($000) $6 Avg Close — Range —
Q4 2019
Shares 2,458 Value ($000) $15 Avg Close — Range —
Q3 2019
Shares 27,318 Value ($000) $261 Avg Close — Range —
Q2 2019
Shares 2,292 Value ($000) $29 Avg Close — Range —
Q1 2019
Shares 176 Value ($000) $3 Avg Close — Range —
Q4 2018
Shares 68 Value ($000) $1 Avg Close — Range —
Q4 2017
Shares 12,516 Value ($000) $408 Avg Close — Range —
Q4 2014
Shares 1,701 Value ($000) $44 Avg Close — Range —
Q3 2014
Shares 4,767 Value ($000) $298 Avg Close — Range —
Q2 2014
Shares 5,305 Value ($000) $294 Avg Close — Range —