U S SILICA HLDGS INC

CUSIP: 90346E103 Class: Common Stock

MGO ONE SEVEN LLC's Holding History (CIK: 0001731444)

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

Q4 2018
Shares 222 Value ($000) $2 Avg Close — Range —
Q1 2018
Shares 400 Value ($000) $10 Avg Close — Range —
Q4 2017
Shares 400 Value ($000) $13 Avg Close — Range —