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Filing Details

Accession Number:: 0001181431-11-041247
Form Type:: 4
Zero Holdings:: No
Publication Time:: 2011-07-14 17:57:33
Reporting Period:: 2011-07-13

Filing Date:: 2011-07-14
Accepted Time:: 2011-07-14 16:57:33
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
1049653	T Thomas Mcentire	7007 Pinemont Drive Houston TX 77040	Vice President,Cfo & Secretary	No	Yes	No	No

Reported Non-Derivative Transactions

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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	Acquisiton	2011-07-13	5,000	$17.56	16,000	No	4	M	Direct
Common Stock, Par Value $.01 Per Share	Disposition	2011-07-13	350	$102.96	15,650	No	4	S	Direct
Common Stock, Par Value $.01 Per Share	Disposition	2011-07-13	595	$103.37	15,055	No	4	S	Direct
Common Stock, Par Value $.01 Per Share	Disposition	2011-07-13	1,055	$104.44	14,000	No	4	S	Direct
Common Stock, Par Value $.01 Per Share	Disposition	2011-07-13	3,000	$105.00	11,000	No	4	S	Direct
Common Stock, Par Value $.01 Per Share	Acquisiton	2011-07-14	1,797	$17.56	12,797	No	4	M	Direct
Common Stock, Par Value $.01 Per Share	Disposition	2011-07-14	1,797	$104.75	11,000	No	4	S	Direct

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

Reported Derivative Transactions

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Sec. Name	Sec. Type	Acquisiton - Disposition	Date	Amount	Price	Amount - 2	Price - 2
Common Stock	Options (right to buy)	Disposition	2011-07-13	5,000	$0.00	5,000	$17.56
Common Stock	Options (right to buy)	Disposition	2011-07-14	1,797	$0.00	1,797	$17.56

Remaning Holdings	Exercise Date	Expiration Date	Equity Swap Involved	Transaction Form Type	Transaction Code	Nature of Ownership
14,297		2018-12-05	No	4	M	Direct
12,500		2018-12-05	No	4	M	Direct

Footnotes

The shares were issued upon the exercise of options (described in Table II) and then immediately sold. The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person.
The shares that were issued upon the exercise of options were immediately sold, as is presented in Table I.
These options will vest in four equal annual installments beginning December 5, 2009 and will be fully vested on December 5, 2012.
This number represents the partial exercise of the options issued to Mr. McEntire in December 2008 to purchase shares of common stock, par value $.01 per share, of OYO Geospace Corporation.
Pursuant to General Instruction 4(c)(iii) of Form 4, the exercise price is reported in Column 2 of this Table II.
Includes options to purchase shares of common stock, par value $.01 per share, of OYO Geospace Corporation with an expiration date of December 5, 2018 and an exercise price of $17.56 per share.
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 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 (7), (8) and (9) 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 $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 $104.01 to $105.00.