1. Company Directors - S
2. Seitz John N

Insider Trading History of Seitz John N

The following table details the insider trading activities (stock purchases, stock sales, and stock option exercises) by Seitz John N since 2006. The trader's CIK number is 1221972. At the time of the last reporting, Seitz John N was the Officer of Ion Geophysical Corp. (stock ticker symbol IO). Also see all insider trading activities at Ion Geophysical Corp.

Note that in the past SEITZ JOHN N also reported insider trading activities as an insider of the following companies:

Yearly summary of insider trading at Ion Geophysical Corp (IO) by Seitz John N

		Insider Buying		Insider Sales		Option Exercises
Year	Symbol	Shares	Value	Shares	Value	Shares	Value
2013	IO	0	$0	10,000	$48,099	30,000	$139,100
2008	IO	3,845	$9,843	0	$0	0	$0

Yearly summary of insider trading at Endeavour International Corp (END) by Seitz John N

		Insider Buying		Insider Sales		Option Exercises
Year	Symbol	Shares	Value	Shares	Value	Shares	Value
2011	END	40,000	$277,040	0	$0	0	$0
2010	END	444,444	$399,999	0	$0	0	$0
2008	END	107,548	$54,960	0	$0	0	$0
2006	END	35,267	$96,631	39,709	$137,988	0	$0

Insider trading activities at 2 companies by Seitz John N:

1. Ion Geophysical Corp (IO)

2. Endeavour International Corp (END)

Table 1. Insider trading of Ion Geophysical Corp (IO) by Seitz John N

Trade Date	Symbol	Trade Type	Shares	Price ($)	Value ($)
2013-09-13	IO	Option Ex	10,000	4.11	41,100
2013-09-13	IO	Sale	10,000	4.81	48,099
2013-08-01	IO	Option Ex	20,000	4.90	98,000
2008-11-20	IO	Buy	3,845	2.56	9,843

Table 2. Insider trading of Endeavour International Corp (END) by Seitz John N

Trade Date	Symbol	Trade Type	Shares	Price ($)	Value ($)
2011-11-10	END	Buy	40,000	6.93	277,040
2010-02-04	END	Buy	444,444	.90	399,999
2008-11-20	END	Buy	7,000	.50	3,500
2008-11-20	END	Buy	74,178	.52	38,275
2008-11-20	END	Buy	26,370	.50	13,185
2006-08-28	END	Buy	35,267	2.74	96,631
2006-01-03	END	Sale	39,709	3.48	137,988

Insider trading activities including stock purchases, stock sales, and option exercises listed in the above table cannot be completely guaranteed as to their accuracy. For more information regarding the trades made by Seitz John N (Officer of Ion Geophysical Corp at the time of this reporting) see the Securities and Exchange Commission (SEC) website.

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