RUBICON TECHNOLOGY INC

Ticker: RBCN CUSIP: 78112T206 Class: Equities

Bandera Partners LLC's Holding History (CIK: 0001399386)

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

Q4 2022

Shares 128,323 Value ($000) $223 Avg Close $1.88 Range $1.26 - $2.39

Q3 2022

Shares 128,323 Value ($000) $275 Avg Close $10.79 Range $2.14 - $17.74

Q2 2022

Shares 258,256 Value ($000) $2,373 Avg Close $9.14 Range $8.58 - $9.68

Q1 2022

Shares 258,256 Value ($000) $2,397 Avg Close $8.96 Range $8.61 - $9.39

Q4 2021

Shares 258,256 Value ($000) $2,317 Avg Close $9.76 Range $8.65 - $10.75

Q3 2021

Shares 258,256 Value ($000) $2,606 Avg Close $9.51 Range $8.60 - $11.00

Q2 2021

Shares 258,256 Value ($000) $2,453 Avg Close $10.19 Range $9.42 - $11.92

Q1 2021

Shares 258,256 Value ($000) $2,665 Avg Close $10.29 Range $9.18 - $11.84

Q4 2020

Shares 258,256 Value ($000) $2,337 Avg Close $8.78 Range $8.39 - $10.00

Q3 2020

Shares 258,256 Value ($000) $2,195 Avg Close $8.29 Range $7.75 - $8.85

Q2 2020

Shares 258,256 Value ($000) $2,098 Avg Close $7.80 Range $7.25 - $9.00

Q1 2020

Shares 258,256 Value ($000) $1,993 Avg Close $8.57 Range $7.15 - $9.16

Q4 2019

Shares 258,256 Value ($000) $2,149 Avg Close $8.48 Range $7.93 - $10.09

Q3 2019

Shares 258,256 Value ($000) $2,472 Avg Close $8.95 Range $8.16 - $9.87

Q2 2019

Shares 258,256 Value ($000) $2,144 Avg Close $8.02 Range $7.50 - $8.62

Q1 2019

Shares 258,256 Value ($000) $2,084 Avg Close $8.16 Range $7.62 - $8.48

Q4 2018

Shares 258,256 Value ($000) $2,040 Avg Close $8.11 Range $7.24 - $9.12

Q3 2018

Shares 258,256 Value ($000) $2,319 Avg Close $8.46 Range $7.79 - $9.46

Q2 2018

Shares 258,256 Value ($000) $2,038 Avg Close $7.38 Range $6.76 - $8.06

Q1 2018

Shares 258,256 Value ($000) $1,795 Avg Close $7.49 Range $6.95 - $8.39

Q4 2017

Shares 258,256 Value ($000) $2,061 Avg Close $8.17 Range $7.51 - $9.05

Q3 2017

Shares 36,472 Value ($000) $301 Avg Close $8.22 Range $6.71 - $9.41

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2022	128,323	$223	$1.88	$1.26 - $2.39
Q3 2022	128,323	$275	$10.79	$2.14 - $17.74
Q2 2022	258,256	$2,373	$9.14	$8.58 - $9.68
Q1 2022	258,256	$2,397	$8.96	$8.61 - $9.39
Q4 2021	258,256	$2,317	$9.76	$8.65 - $10.75
Q3 2021	258,256	$2,606	$9.51	$8.60 - $11.00
Q2 2021	258,256	$2,453	$10.19	$9.42 - $11.92
Q1 2021	258,256	$2,665	$10.29	$9.18 - $11.84
Q4 2020	258,256	$2,337	$8.78	$8.39 - $10.00
Q3 2020	258,256	$2,195	$8.29	$7.75 - $8.85
Q2 2020	258,256	$2,098	$7.80	$7.25 - $9.00
Q1 2020	258,256	$1,993	$8.57	$7.15 - $9.16
Q4 2019	258,256	$2,149	$8.48	$7.93 - $10.09
Q3 2019	258,256	$2,472	$8.95	$8.16 - $9.87
Q2 2019	258,256	$2,144	$8.02	$7.50 - $8.62
Q1 2019	258,256	$2,084	$8.16	$7.62 - $8.48
Q4 2018	258,256	$2,040	$8.11	$7.24 - $9.12
Q3 2018	258,256	$2,319	$8.46	$7.79 - $9.46
Q2 2018	258,256	$2,038	$7.38	$6.76 - $8.06
Q1 2018	258,256	$1,795	$7.49	$6.95 - $8.39
Q4 2017	258,256	$2,061	$8.17	$7.51 - $9.05
Q3 2017	36,472	$301	$8.22	$6.71 - $9.41