GEOSPACE TECHNOLOGIES CORP

Ticker: GEOS CUSIP: 37364X109 Class: Common Stock

SIMPLEX TRADING, LLC's Holding History (CIK: 0001488542)

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

Q4 2025
Shares 2,001 Value ($000) $34 Avg Close $20.08 Range $10.78 - $29.89
Q1 2024
Shares 342 Value ($000) $0 Avg Close $13.43 Range $11.40 - $17.09
Q4 2023
Shares 1,997 Value ($000) $0 Avg Close $12.23 Range $10.35 - $13.74
Q3 2023
Shares 3,169 Value ($000) $0 Avg Close $9.44 Range $7.22 - $14.59
Q1 2023
Shares 2,451 Value ($000) $0 Avg Close $5.54 Range $3.96 - $7.55
Q1 2022
Shares 1,400 Value ($000) $8 Avg Close $6.59 Range $4.97 - $8.88
Q4 2021
Shares 1,181 Value ($000) $7 Avg Close $8.73 Range $6.41 - $10.27
Q3 2021
Shares 7,751 Value ($000) $65 Avg Close $9.22 Range $7.78 - $10.94
Q2 2021
Shares 7,751 Value ($000) $62 Avg Close $8.23 Range $7.30 - $9.47
Q1 2021
Shares 8,506 Value ($000) $77 Avg Close $9.62 Range $8.15 - $12.40
Q4 2020
Shares 6,877 Value ($000) $58 Avg Close $6.84 Range $5.02 - $10.29
Q2 2020
Shares 649 Value ($000) $4 Avg Close $6.66 Range $5.00 - $9.57
Q1 2020
Shares 1,278 Value ($000) $8 Avg Close $11.89 Range $4.61 - $16.96
Q4 2019
Shares 6,894 Value ($000) $115 Avg Close $15.19 Range $13.18 - $17.66
Q1 2019
Shares 93 Value ($000) $1 Avg Close $14.62 Range $10.01 - $16.92
Q4 2018
Shares 157 Value ($000) $1 Avg Close $13.38 Range $9.93 - $15.93
Q1 2018
Shares 196 Value ($000) $1 Avg Close $12.26 Range $9.18 - $15.66
Q2 2017
Shares 660 Value ($000) $9 Avg Close $15.37 Range $13.59 - $17.04
Q1 2016
Shares 132 Value ($000) $1 Avg Close $11.02 Range $7.62 - $14.69
Q4 2015
Shares 1,339 Value ($000) $18 Avg Close $14.23 Range $10.16 - $18.91
Q3 2015
Shares 2,371 Value ($000) $32 Avg Close $16.62 Range $13.44 - $23.45
Q2 2015
Shares 223 Value ($000) $5 Avg Close $20.88 Range $15.59 - $26.75
Q4 2014
Shares 545 Value ($000) $14 Avg Close $29.00 Range $24.07 - $35.32