The largest purchase of all time was on 2007-08-31 and amounted to 20000 shares of Geospace Technologies Corporation for $1.51M.
The largest sale of all time was on 2013-02-12 and amounted to 227208 shares of Geospace Technologies Corporation for $23.38M.
No biography is available at this moment.
| 2023-02-22 | Geospace Technologies Corporation GEOS | director | 27,177 0.2193% | $5.50 | $149,474 | +77.41% | ||
| 2023-02-21 | Geospace Technologies Corporation GEOS | director | 12,823 0.0975% | $5.48 | $70,293 | +67.06% | ||
| 2023-02-17 | Geospace Technologies Corporation GEOS | director | 10,000 0.0761% | $5.50 | $55,000 | +65.57% | ||
| 2022-09-02 | Geospace Technologies Corporation GEOS | 7,000 0.0556% | $5.00 | $35,000 | +25.15% | |||
| 2022-08-30 | Geospace Technologies Corporation GEOS | 13,500 0.105% | $4.89 | $66,019 | +23.14% | |||
| 2022-08-19 | Geospace Technologies Corporation GEOS | 700 0.0053% | $4.97 | $3,480 | +10.28% | |||
| 2022-08-15 | Geospace Technologies Corporation GEOS | 19,369 0.1521% | $4.94 | $95,596 | +13.22% | |||
| 2022-05-17 | Geospace Technologies Corporation GEOS | 50,000 0.3655% | $5.30 | $264,935 | -13.64% | |||
| 2022-02-24 | Geospace Technologies Corporation GEOS | director | 15,069 0.1153% | $5.42 | $81,718 | -11.74% | ||
| 2022-02-23 | Geospace Technologies Corporation GEOS | director | 20,751 0.1579% | $5.41 | $112,259 | -12.07% | ||
| 2022-02-22 | Geospace Technologies Corporation GEOS | director | 13,982 0.1073% | $5.47 | $76,454 | -12.23% | ||
| 2013-02-12 | Sale | Geospace Technologies Corporation GEOS | President & CEO | 227,208 1.7136% | $102.88 | $23.38M | -19.12% | |
| 2013-02-11 | Sale | Geospace Technologies Corporation GEOS | President & CEO | 10,552 0.0814% | $106.66 | $1.13M | -20.09% | |
| 2012-09-14 | Sale | Geospace Technologies Corporation GEOS | President & CEO | 2,750 0.0214% | $115.00 | $316,250 | +34.89% | |
| 2012-09-13 | Sale | Geospace Technologies Corporation GEOS | President & CEO | 3,000 0.0237% | $115.02 | $345,071 | +36.63% | |
| 2011-07-08 | Sale | Geospace Technologies Corporation GEOS | President & CEO | 15,781 0.2518% | $105.76 | $1.67M | -18.37% | |
| 2011-07-07 | Sale | Geospace Technologies Corporation GEOS | President & CEO | 27,180 0.4365% | $104.91 | $2.85M | -17.13% | |
| 2011-07-06 | Sale | Geospace Technologies Corporation GEOS | President & CEO | 15,271 0.2448% | $104.73 | $1.6M | -17.1% | |
| 2011-07-05 | Sale | Geospace Technologies Corporation GEOS | President & CEO | 32,069 0.5137% | $104.60 | $3.35M | -16.91% | |
| 2011-07-01 | Sale | Geospace Technologies Corporation GEOS | President & CEO | 3,000 0.0477% | $100.14 | $300,420 | -13.85% |