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Filing Details

Accession Number:: 0001181431-11-041140
Form Type:: 4
Zero Holdings:: No
Publication Time:: 2011-07-13 17:27:22
Reporting Period:: 2011-07-11

Filing Date:: 2011-07-13
Accepted Time:: 2011-07-13 17:27:22
SEC Url:: Form 4 Filing

Issuer

Cik	Name	Symbol	Sector (SIC)	IRS No
1001115	Oyo Geospace Corp	OYOG	Measuring & Controlling Devices, Nec (3829)	760447780

Insiders

Cik	Name	Reported Address	Insider Title	Director	Officer	Large Shareholder	Other
1049654	J Michael Sheen	7007 Pinemont Drive Houston TX 77040	Svp & Chief Technical Officer	Yes	Yes	No	No

Reported Non-Derivative Transactions

Show Other Fields >>

Sec. Name	Acquisiton - Disposition	Date	Amount	Price	Remaning Holdings	Equity Swap Involved	Form Type	Code	Nature of Ownership
Common Stock, Par Value $.01 Per Share	Disposition	2011-07-11	777	$102.51	39,250	No	4	S	Direct
Common Stock, Par Value $.01 Per Share	Disposition	2011-07-11	634	$103.50	38,616	No	4	S	Direct
Common Stock, Par Value $.01 Per Share	Disposition	2011-07-11	292	$104.35	38,324	No	4	S	Direct
Common Stock, Par Value $.01 Per Share	Disposition	2011-07-11	297	$105.23	38,027	No	4	S	Direct
Common Stock, Par Value $.01 Per Share	Disposition	2011-07-12	1,133	$102.62	36,894	No	4	S	Direct
Common Stock, Par Value $.01 Per Share	Disposition	2011-07-12	767	$103.45	36,127	No	4	S	Direct
Common Stock, Par Value $.01 Per Share	Disposition	2011-07-12	100	$104.05	36,027	No	4	S	Direct

Equity Swap Involved	Form Type	Code	Nature of Ownership
No	4	S	Direct
No	4	S	Direct
No	4	S	Direct
No	4	S	Direct
No	4	S	Direct
No	4	S	Direct
No	4	S	Direct

Footnotes

The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person.
The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $102.00 to $102.99, inclusive. The reporting person undertakes to provide OYO Geospace Corporation, any security holder of OYO Geospace Corporation, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in footnotes (2), (3), (4), (5), (6), (7) and (8) to this Form 4.
The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $103.00 to $103.99.
The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $104.00 to $104.99.
The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $105.00 to $105.99.
The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $102.00 to $102.99.
The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $103.00 to $103.99.
The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $104.00 to $104.99.