RUBICON TECHNOLOGY INC

Ticker: RBCN CUSIP: 78112T206 Class: Equities

SUSQUEHANNA INTERNATIONAL GROUP, LLP's Holding History (CIK: 0001446194)

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

Q1 2019

Shares 14,524 Value ($000) $117 Avg Close $8.16 Range $7.62 - $8.48

Q4 2018

Shares 22,897 Value ($000) $181 Avg Close $8.11 Range $7.24 - $9.12

Q3 2018

Shares 38,294 Value ($000) $344 Avg Close $8.46 Range $7.79 - $9.46

Q2 2018

Shares 19,071 Value ($000) $151 Avg Close $7.38 Range $6.76 - $8.06

Period	Shares	Value ($000)	Average Close	Price Range
Q1 2019	14,524	$117	$8.16	$7.62 - $8.48
Q4 2018	22,897	$181	$8.11	$7.24 - $9.12
Q3 2018	38,294	$344	$8.46	$7.79 - $9.46
Q2 2018	19,071	$151	$7.38	$6.76 - $8.06