U S SILICA HLDGS INC

CUSIP: 90346E103 Class: Common Stock

BOKF, NA's Holding History (CIK: 0000009634)

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

Q2 2017
Shares 87 Value ($000) $3 Avg Close — Range —
Q3 2014
Shares 8,121 Value ($000) $508 Avg Close — Range —
Q2 2014
Shares 5,762 Value ($000) $319 Avg Close — Range —
Q1 2014
Shares 15,989 Value ($000) $610 Avg Close — Range —
Q4 2013
Shares 6,738 Value ($000) $230 Avg Close — Range —