RUBICON TECHNOLOGY INC

CUSIP: 78112T107 Class: COM

Aperio Group, LLC's Holding History (CIK: 0001364615)

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

Q3 2014
Shares 15,748 Value ($000) $67 Avg Close — Range —
Q2 2014
Shares 12,227 Value ($000) $107 Avg Close — Range —
Q1 2014
Shares 11,173 Value ($000) $126 Avg Close — Range —
Q4 2013
Shares 10,548 Value ($000) $105 Avg Close — Range —