GEOSPACE TECHNOLOGIES CORP — Director's Dealing 2011

Jul 13, 2011

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: OYO GEOSPACE CORP (OYOG)
CIK: 0001001115
Period of Report: 2011-07-11

Reporting Person: MCENTIRE THOMAS T (Vice President,CFO & Secretary)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2011-07-11	Common Stock, par value $.01 per share	M	2800	$17.56	Acquired	13800	Direct
2011-07-11	Common Stock, par value $.01 per share	S	777	$102.51	Disposed	13023	Direct
2011-07-11	Common Stock, par value $.01 per share	S	634	$103.50	Disposed	12389	Direct
2011-07-11	Common Stock, par value $.01 per share	S	292	$104.35	Disposed	12097	Direct
2011-07-11	Common Stock, par value $.01 per share	S	297	$105.23	Disposed	11800	Direct
2011-07-11	Common Stock, par value $.01 per share	S	800	$105.45	Disposed	11000	Direct
2011-07-12	Common Stock, par value $.01 per share	M	2000	$17.56	Acquired	13000	Direct
2011-07-12	Common Stock, par value $.01 per share	S	1133	$102.62	Disposed	11867	Direct
2011-07-12	Common Stock, par value $.01 per share	S	767	$103.45	Disposed	11100	Direct
2011-07-12	Common Stock, par value $.01 per share	S	100	$104.05	Disposed	11000	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2011-07-11	Options (right to buy)	$17.56	M	2800	Disposed	2018-12-05	Common Stock (2800)	Direct
2011-07-12	Options (right to buy)	$17.56	M	2000	Disposed	2018-12-05	Common Stock (2000)	Direct

Footnotes

F1: 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.

F2: The shares that were issued upon the exercise of options were immediately sold, as is presented in Table I.

F3: These options will vest in four equal annual installments beginning December 5, 2009 and will be fully vested on December 5, 2012.

F4: 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.

F5: Pursuant to General Instruction 4(c)(iii) of Form 4, the exercise price is reported in Column 2 of this Table II.

F6: 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.

F7: 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 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), (9), (10), (11), (12), (13) and (14) to this Form 4.

F8: 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.

F9: 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.

F10: 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.

F11: 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.

F12: 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.

F13: 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.

F14: 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.