12/1
10:11 am
geos
Form 4 GEOSPACE TECHNOLOGIES For: Nov 25 Filed by: Curda Robert L.
High
Report
Form 4 GEOSPACE TECHNOLOGIES For: Nov 25 Filed by: Curda Robert L.
11/25
02:10 pm
geos
Form 4 GEOSPACE TECHNOLOGIES For: Nov 20 Filed by: Kelley Richard James
Low
Report
Form 4 GEOSPACE TECHNOLOGIES For: Nov 20 Filed by: Kelley Richard James
11/25
01:43 pm
geos
Form 4 GEOSPACE TECHNOLOGIES For: Nov 20 Filed by: Curda Robert L.
Neutral
Report
Form 4 GEOSPACE TECHNOLOGIES For: Nov 20 Filed by: Curda Robert L.
11/25
01:41 pm
geos
Form 4 GEOSPACE TECHNOLOGIES For: Nov 20 Filed by: Bushey Ronald Todd
Low
Report
Form 4 GEOSPACE TECHNOLOGIES For: Nov 20 Filed by: Bushey Ronald Todd
11/21
04:36 pm
geos
Form 10-K GEOSPACE TECHNOLOGIES For: Sep 30
High
Report
Form 10-K GEOSPACE TECHNOLOGIES For: Sep 30
11/20
04:56 pm
geos
Form 8-K GEOSPACE TECHNOLOGIES For: Nov 20
High
Report
Form 8-K GEOSPACE TECHNOLOGIES For: Nov 20
11/14
03:50 pm
geos
Form SCHEDULE 13G/A GEOSPACE TECHNOLOGIES Filed by: DISCIPLINED GROWTH INVESTORS INC /MN
Low
Report
Form SCHEDULE 13G/A GEOSPACE TECHNOLOGIES Filed by: DISCIPLINED GROWTH INVESTORS INC /MN
10/30
03:20 pm
geos
Form SCHEDULE 13G/A GEOSPACE TECHNOLOGIES Filed by: VANGUARD GROUP INC
Low
Report
Form SCHEDULE 13G/A GEOSPACE TECHNOLOGIES Filed by: VANGUARD GROUP INC
10/9
01:49 pm
geos
Form SCHEDULE 13G/A GEOSPACE TECHNOLOGIES Filed by: DIMENSIONAL FUND ADVISORS LP
Low
Report
Form SCHEDULE 13G/A GEOSPACE TECHNOLOGIES Filed by: DIMENSIONAL FUND ADVISORS LP