RUBICON TECHNOLOGY INC

CUSIP: 78112T107 Class: COM

Pacific Ridge Capital Partners, LLC's Holding History (CIK: 0001591546)

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

Q1 2016
Shares 257,820 Value ($000) $188 Avg Close — Range —
Q4 2015
Shares 346,480 Value ($000) $395 Avg Close — Range —
Q3 2015
Shares 326,290 Value ($000) $336 Avg Close — Range —
Q2 2015
Shares 325,750 Value ($000) $792 Avg Close — Range —
Q1 2015
Shares 329,350 Value ($000) $1,298 Avg Close — Range —
Q4 2014
Shares 318,810 Value ($000) $1,457 Avg Close — Range —
Q3 2014
Shares 182,540 Value ($000) $776 Avg Close — Range —
Q2 2014
Shares 89,770 Value ($000) $785 Avg Close — Range —
Q1 2014
Shares 90,690 Value ($000) $1,024 Avg Close — Range —
Q4 2013
Shares 97,210 Value ($000) $967 Avg Close — Range —