Lawrence Marc A

Related Filers (1)

Ownership (4)

4
Friday, 1/4/2013
Global Geophysical Services Inc: Statement of changes in beneficial ownership of securities
4
Tuesday, 10/2/2012
Global Geophysical Services Inc: Statement of changes in beneficial ownership of securities
4
Friday, 7/6/2012
Global Geophysical Services Inc: Statement of changes in beneficial ownership of securities
3
Thursday, 1/12/2012
Global Geophysical Services Inc: Initial statement of beneficial ownership of securities
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