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Filing Details

Issuer

Cik	Name	Symbol	Sector (SIC)	IRS No
1311486	Global Geophysical Services Inc	GGS	Oil & Gas Field Exploration Services (1382)	000000000

Insiders

Cik	Name	Reported Address	Insider Title	Director	Officer	Large Shareholder	Other
1481492	Theron Christopher Usher	13927 S. Gessner Rd. Missouri City TX 77489	Sr. Vp & Cto	No	Yes	No	No

Reported Non-Derivative Transactions

Sec. Name	Acquisiton - Disposition	Date	Amount	Price	Remaning Holdings	Equity Swap Involved	Form Type	Code	Nature of Ownership	Explanation
Common Stock	Acquisiton	2011-08-12	6,500	$12.39	46,500	No	4	P	Direct
Common Stock	Acquisiton	2011-08-12	15,000	$0.00	61,500	No	4	A	Direct

Equity Swap Involved	Form Type	Code	Nature of Ownership	Explanation
No	4	P	Direct
No	4	A	Direct

Reported Non-Derivative Holdings

Sec. Name	Remaning Holdings	Nature of Ownership	Explanation
Common Stock	40,000	Direct

Footnotes

These shares were purchased by the reporting person via an open market transaction on the reported date.
These shares are subject to GGS' standard vesting requirements over eight (8) calendar quarters, more specifically 12.5% (twelve and one-half percent) of the total shares will vest on each of the following dates starting on December 31, 2012, and then March 31, 2013, June 30, 2013, September 30, 2013, December 31, 2013, March 31, 2014, June 30, 2014, and September 30, 2014.