RUBICON TECHNOLOGY INC

CUSIP: 78112T107 Class: COM

DIMENSIONAL FUND ADVISORS LP's Holding History (CIK: 0000354204)

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

Q1 2016
Shares 59,494 Value ($000) $43 Avg Close — Range —
Q4 2015
Shares 311,426 Value ($000) $355 Avg Close — Range —
Q3 2015
Shares 436,351 Value ($000) $449 Avg Close — Range —
Q2 2015
Shares 453,222 Value ($000) $1,101 Avg Close — Range —
Q1 2015
Shares 464,205 Value ($000) $1,829 Avg Close — Range —
Q4 2014
Shares 464,205 Value ($000) $2,121 Avg Close — Range —
Q3 2014
Shares 479,144 Value ($000) $2,037 Avg Close — Range —
Q2 2014
Shares 501,671 Value ($000) $4,390 Avg Close — Range —
Q1 2014
Shares 504,479 Value ($000) $5,696 Avg Close — Range —
Q4 2013
Shares 619,062 Value ($000) $6,160 Avg Close — Range —
Q3 2013
Shares 612,060 Value ($000) $7,412 Avg Close — Range —
Q2 2013
Shares 614,337 Value ($000) $4,921 Avg Close — Range —