| Date | Issuer | Type | Security | Price | Units | Value | |
|---|---|---|---|---|---|---|---|
| Global Geophysical Services Inc | S | Common Stock | |||||
| Global Geophysical Services Inc | A | Common Stock | |||||
| Global Geophysical Services Inc | S | Common Stock | |||||
| Global Geophysical Services Inc | A | Common Stock | |||||
| Global Geophysical Services Inc | J | Common Stock |