RUBICON TECHNOLOGY INC

Ticker: RBCN CUSIP: 78112T206 Class: Equities

Tower Research Capital LLC (TRC)'s Holding History (CIK: 0001533421)

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

Q4 2022
Shares 5,863 Value ($000) $0 Avg Close $1.88 Range $1.26 - $2.39
Q3 2022
Shares 5,237 Value ($000) $11 Avg Close $10.79 Range $2.14 - $17.74
Q2 2022
Shares 525 Value ($000) $5 Avg Close $9.14 Range $8.58 - $9.68
Q1 2022
Shares 1,176 Value ($000) $11 Avg Close $8.96 Range $8.61 - $9.39
Q4 2021
Shares 1,684 Value ($000) $15 Avg Close $9.76 Range $8.65 - $10.75
Q3 2021
Shares 442 Value ($000) $5 Avg Close $9.51 Range $8.60 - $11.00
Q2 2021
Shares 1,147 Value ($000) $11 Avg Close $10.19 Range $9.42 - $11.92
Q1 2021
Shares 917 Value ($000) $10 Avg Close $10.29 Range $9.18 - $11.84
Q4 2020
Shares 1,215 Value ($000) $11 Avg Close $8.78 Range $8.39 - $10.00
Q2 2020
Shares 95 Value ($000) $1 Avg Close $7.80 Range $7.25 - $9.00
Q4 2019
Shares 388 Value ($000) $3 Avg Close $8.48 Range $7.93 - $10.09
Q2 2019
Shares 11 Value ($000) $0 Avg Close $8.02 Range $7.50 - $8.62
Q1 2019
Shares 783 Value ($000) $6 Avg Close $8.16 Range $7.62 - $8.48
Q4 2018
Shares 997 Value ($000) $8 Avg Close $8.11 Range $7.24 - $9.12
Q3 2018
Shares 697 Value ($000) $6 Avg Close $8.46 Range $7.79 - $9.46
Q4 2017
Shares 2,786 Value ($000) $22 Avg Close $8.17 Range $7.51 - $9.05
Q3 2017
Shares 2,532 Value ($000) $21 Avg Close $8.22 Range $6.71 - $9.41
Q2 2017
Shares 4,181 Value ($000) $39 Avg Close $8.54 Range $6.40 - $10.45