U S SILICA HLDGS INC

CUSIP: 90346E103 Class: Common Stock

OBERWEIS ASSET MANAGEMENT INC/'s Holding History (CIK: 0000937886)

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

Q3 2019
Shares 17,109 Value ($000) $164 Avg Close — Range —
Q2 2019
Shares 17,109 Value ($000) $219 Avg Close — Range —
Q1 2019
Shares 17,109 Value ($000) $297 Avg Close — Range —
Q4 2018
Shares 13,509 Value ($000) $138 Avg Close — Range —
Q2 2014
Shares 34,200 Value ($000) $1,896 Avg Close — Range —
Q1 2014
Shares 34,900 Value ($000) $1,332 Avg Close — Range —
Q4 2013
Shares 16,700 Value ($000) $570 Avg Close — Range —
Q3 2013
Shares 15,200 Value ($000) $378 Avg Close — Range —
Q2 2013
Shares 19,000 Value ($000) $395 Avg Close — Range —