RUBICON TECHNOLOGY INC

Ticker: RBCN CUSIP: 78112T206 Class: Equities

WEST BANCORPORATION INC's Holding History (CIK: 0001166928)

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

Q2 2022

Shares 100 Value ($000) $1 Avg Close $9.14 Range $8.58 - $9.68

Q1 2022

Shares 100 Value ($000) $1 Avg Close $8.96 Range $8.61 - $9.39

Q4 2021

Shares 100 Value ($000) $1 Avg Close $9.76 Range $8.65 - $10.75

Period	Shares	Value ($000)	Average Close	Price Range
Q2 2022	100	$1	$9.14	$8.58 - $9.68
Q1 2022	100	$1	$8.96	$8.61 - $9.39
Q4 2021	100	$1	$9.76	$8.65 - $10.75