| Symbol | Company | Owner | Relationship | Date | Transaction | Cost | # Shares | Value ($) | Total Shares | Filing | |
|---|---|---|---|---|---|---|---|---|---|---|---|
| GGS | Global Geophysical Services Inc | Howell Jeff M | VP, HSEQ | Dec 31, 2012 | Option Exercise | $3.27 | 605 | 1,978 | 131,858 | Jan 04, 2013, 08:19 PM | |
| GGS | Global Geophysical Services Inc | Howell Jeff M | VP, HSEQ | Jan 02, 2013 | Option Exercise | $3.93 | 170 | 668 | 131,688 | Jan 04, 2013, 08:19 PM | |
| GGS | Global Geophysical Services Inc | Howell Jeff M | VP, HSEQ | Jun 29, 2012 | Option Exercise | $5.20 | 377 | 1,960 | 140,830 | Dec 21, 2012, 09:42 PM | |
| GGS | Global Geophysical Services Inc | Howell Jeff M | VP, HSEQ | Sep 28, 2012 | Option Exercise | $4.68 | 423 | 1,980 | 141,253 | Dec 21, 2012, 09:42 PM | |
| GGS | Global Geophysical Services Inc | Howell Jeff M | VP, HSEQ | Dec 19, 2012 | Sale | $4.00 | 9,914 | 39,656 | 131,339 | Dec 21, 2012, 09:42 PM | |
| GGS | Global Geophysical Services Inc | Howell Jeff M | VP, HSEQ | Dec 20, 2012 | Sale | $4.00 | 86 | 344 | 131,253 | Dec 21, 2012, 09:42 PM | |
| GGS | Global Geophysical Services Inc | Howell Jeff M | VP, HSEQ | Mar 31, 2012 | Option Exercise | $6.12 | 309 | 1,891 | 138,453 | Apr 16, 2012, 07:02 PM | |
| GGS | Global Geophysical Services Inc | Howell Jeff M | VP, HSEQ | Jul 07, 2011 | Sale | $17.72 | 12,000 | 212,640 | 132,014 | Jul 11, 2011, 08:17 PM | |
| GGS | Global Geophysical Services Inc | Howell Jeff M | VP, HSEQ | Mar 25, 2011 | Sale | $14.83 | 5,000 | 74,150 | 144,014 | Mar 28, 2011, 07:07 PM | |
| GGS | Global Geophysical Services Inc | Howell Jeff M | VP, Health Safety | Feb 23, 2011 | Sale | $14.03 | 5,000 | 70,150 | 149,014 | Feb 25, 2011, 05:37 PM |
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