U S SILICA HLDGS INC

CUSIP: 90346E103 Class: Common Stock

WHITE PINE CAPITAL LLC's Holding History (CIK: 0001137429)

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

Q4 2019
Shares 19,265 Value ($000) $118 Avg Close — Range —
Q3 2019
Shares 26,365 Value ($000) $252 Avg Close — Range —
Q2 2019
Shares 26,690 Value ($000) $341 Avg Close — Range —
Q1 2019
Shares 28,490 Value ($000) $495 Avg Close — Range —
Q1 2018
Shares 14,450 Value ($000) $369 Avg Close — Range —
Q4 2017
Shares 15,000 Value ($000) $488 Avg Close — Range —
Q3 2017
Shares 11,950 Value ($000) $371 Avg Close — Range —