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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
1480713	S Damir Skerl	11767 Katy Fwy, Suite 812 Houston TX 77079		Yes	No	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
Class B Common Stock	Disposition	2010-04-27	233,450	$0.00	0	No	4	J	Direct
Common Stock	Acquisiton	2010-04-27	333,450	$0.00	333,450	No	4	J	Direct
Common Stock	Disposition	2010-04-27	8,219	$12.00	325,231	No	4	S	Direct
Class B Common Stock	Disposition	2010-04-27	16,667	$0.00	0	No	4	J	Indirect	Christopher Robert Skerl Grandchild Trust, Damir S. Skerl, Trustee
Common Stock	Acquisiton	2010-04-27	16,667	$0.00	16,667	No	4	J	Indirect	Christopher Robert Skerl Grandchild Trust, Damir S. Skerl, Trustee
Common Stock	Disposition	2010-04-27	822	$12.00	15,845	No	4	S	Indirect	Christopher Robert Skerl Grandchild Trust, Damir S. Skerl, Trustee
Class B Common Stock	Disposition	2010-04-27	16,667	$0.00	0	No	4	J	Indirect	Matthew Phillip Skerl Grandchild Trust, Damir S. Skerl, Trustee
Common Stock	Acquisiton	2010-04-27	16,667	$0.00	16,667	No	4	J	Indirect	Matthew Phillip Skerl Grandchild Trust, Damir S. Skerl, Trustee
Common Stock	Disposition	2010-04-27	822	$12.00	15,845	No	4	S	Indirect	Matthew Phillip Skerl Grandchild Trust, Damir S. Skerl, Trustee
Class B Common Stock	Disposition	2010-04-27	16,666	$0.00	0	No	4	J	Indirect	Stephen Allen Skerl Grandchild Trust, Damir S. Skerl, Trustee
Common Stock	Acquisiton	2010-04-27	16,666	$0.00	16,666	No	4	J	Indirect	Stephen Allen Skerl Grandchild Trust, Damir S. Skerl, Trustee
Common Stock	Disposition	2010-04-27	822	$12.00	15,844	No	4	S	Indirect	Stephen Allen Skerl Grandchild Trust, Damir S. Skerl, Trustee

Equity Swap Involved	Form Type	Code	Nature of Ownership	Explanation
No	4	J	Direct
No	4	J	Direct
No	4	S	Direct
No	4	J	Indirect	Christopher Robert Skerl Grandchild Trust, Damir S. Skerl, Trustee
No	4	J	Indirect	Christopher Robert Skerl Grandchild Trust, Damir S. Skerl, Trustee
No	4	S	Indirect	Christopher Robert Skerl Grandchild Trust, Damir S. Skerl, Trustee
No	4	J	Indirect	Matthew Phillip Skerl Grandchild Trust, Damir S. Skerl, Trustee
No	4	J	Indirect	Matthew Phillip Skerl Grandchild Trust, Damir S. Skerl, Trustee
No	4	S	Indirect	Matthew Phillip Skerl Grandchild Trust, Damir S. Skerl, Trustee
No	4	J	Indirect	Stephen Allen Skerl Grandchild Trust, Damir S. Skerl, Trustee
No	4	J	Indirect	Stephen Allen Skerl Grandchild Trust, Damir S. Skerl, Trustee
No	4	S	Indirect	Stephen Allen Skerl Grandchild Trust, Damir S. Skerl, Trustee

Reported Derivative Transactions

Sec. Name	Sec. Type	Acquisiton - Disposition	Date	Amount	Price	Amount - 2	Price - 2
Common Stock	Preferred Stock	Disposition	2010-04-27	100,000	$0.00	100,000	$0.00
Common Stock	Stock Option	Acquisiton	2010-04-27	10,000	$0.00	10,000	$15.00

Remaning Holdings	Exercise Date	Expiration Date	Equity Swap Involved	Transaction Form Type	Transaction Code	Nature of Ownership
0			No	4	J	Direct
10,000	2008-10-31	2017-10-28	No	4	J	Direct

Footnotes

Pursuant to a reclassification exempt under Rule 16b-7, each share of Class A and B Common Stock and Preferred Stock converted, immediately and automatically, into shares of Common Stock, as part of a recapitalization of the issuer's capital stock structure.
As of the date original filed, 50% of these shares vested. The remainder of these shares vested and will vest 25% on each of the following dates: October 31, 2010 and October 31, 2011.
Pursuant to the reclassification discussed in footnote (1), these options now convert to Common Stock instead of Class B Common Stock, only if and when exercised.
The Convertible Preferred Stock is immediately exercisable and does not have an expiration date.
These shares were sold in connection with the exercise of an over-allotment option under Rules 16a-7 and Rule 424(b)(4); they were erroneously omitted on Form 4 filed on April 29, 2010, as well as on Form 4A filed on January 11, 2011.