U S SILICA HLDGS INC

CUSIP: 90346E103 Class: Common Stock

CenterStar Asset Management, LLC's Holding History (CIK: 0001722053)

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

Q2 2018
Shares 1,344 Value ($000) $35 Avg Close — Range —
Q1 2018
Shares 8,880 Value ($000) $225 Avg Close — Range —
Q4 2017
Shares 5,416 Value ($000) $175 Avg Close — Range —