RUBICON TECHNOLOGY INC

CUSIP: 78112T107 Class: COM

BARCLAYS PLC's Holding History (CIK: 0000312069)

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

Q1 2016
Shares 5,700 Value ($000) $0 Avg Close — Range —
Q4 2015
Shares 2,800 Value ($000) $3 Avg Close — Range —
Q3 2015
Shares 6,118 Value ($000) $6 Avg Close — Range —
Q2 2015
Shares 1 Value ($000) $0 Avg Close — Range —
Q1 2015
Shares 2,480 Value ($000) $7 Avg Close — Range —
Q4 2014
Shares 26,905 Value ($000) $107 Avg Close — Range —
Q3 2014
Shares 28,293 Value ($000) $113 Avg Close — Range —
Q2 2014
Shares 3,743 Value ($000) $30 Avg Close — Range —
Q1 2014
Shares 12,820 Value ($000) $141 Avg Close — Range —
Q4 2013
Shares 2,484 Value ($000) $22 Avg Close — Range —
Q3 2013
Shares 9,904 Value ($000) $119 Avg Close — Range —
Q2 2013
Shares 13,342 Value ($000) $106 Avg Close — Range —