GEOSPACE TECHNOLOGIES CORP — Director's Dealing 2009

Jun 10, 2009

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: OYO GEOSPACE CORP (OYOG)
CIK: 0001001115
Period of Report: 2009-06-08

Reporting Person: MCENTIRE THOMAS T (CFO & Secretary)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2009-06-08	Common Stock, par value $.01 per share	M	12400	$15.13	Acquired	23400	Direct
2009-06-08	Common Stock, par value $.01 per share	S	300	$23.06	Disposed	23100	Direct
2009-06-08	Common Stock, par value $.01 per share	S	2803	$23.25	Disposed	20297	Direct
2009-06-08	Common Stock, par value $.01 per share	S	697	$23.30	Disposed	19600	Direct
2009-06-08	Common Stock, par value $.01 per share	S	300	$23.31	Disposed	19300	Direct
2009-06-08	Common Stock, par value $.01 per share	S	200	$23.55	Disposed	19100	Direct
2009-06-08	Common Stock, par value $.01 per share	S	500	$23.58	Disposed	18600	Direct
2009-06-08	Common Stock, par value $.01 per share	S	300	$23.59	Disposed	18300	Direct
2009-06-08	Common Stock, par value $.01 per share	S	200	$23.60	Disposed	18100	Direct
2009-06-09	Common Stock, par value $.01 per share	S	2500	$23.00	Disposed	15600	Direct
2009-06-09	Common Stock, par value $.01 per share	S	2100	$23.10	Disposed	13500	Direct
2009-06-09	Common Stock, par value $.01 per share	S	900	$23.15	Disposed	12600	Direct
2009-06-09	Common Stock, par value $.01 per share	S	700	$23.16	Disposed	11900	Direct
2009-06-09	Common Stock, par value $.01 per share	S	900	$23.25	Disposed	11000	Direct
2009-06-10	Common Stock, par value $.01 per share	M	7600	$15.13	Acquired	18600	Direct
2009-06-10	Common Stock, par value $.01 per share	S	500	$20.75	Disposed	18100	Direct
2009-06-10	Common Stock, par value $.01 per share	S	500	$20.8	Disposed	17600	Direct
2009-06-10	Common Stock, par value $.01 per share	S	393	$20.82	Disposed	17207	Direct
2009-06-10	Common Stock, par value $.01 per share	S	400	$20.96	Disposed	16807	Direct
2009-06-10	Common Stock, par value $.01 per share	S	600	$20.97	Disposed	16207	Direct
2009-06-10	Common Stock, par value $.01 per share	S	607	$21.05	Disposed	15600	Direct
2009-06-10	Common Stock, par value $.01 per share	S	105	$21.3	Disposed	15495	Direct
2009-06-10	Common Stock, par value $.01 per share	S	2296	$21.7	Disposed	13199	Direct
2009-06-10	Common Stock, par value $.01 per share	S	1103	$23	Disposed	12096	Direct
2009-06-10	Common Stock, par value $.01 per share	S	300	$23.02	Disposed	11796	Direct
2009-06-10	Common Stock, par value $.01 per share	S	600	$23.03	Disposed	11196	Direct
2009-06-10	Common Stock, par value $.01 per share	S	96	$23.04	Disposed	11100	Direct
2009-06-10	Common Stock, par value $.01 per share	S	100	$23.06	Disposed	11000	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2009-06-08	Options (right to buy)	$15.13	M	12400	Disposed	2010-01-28	Common Stock (12400)	Direct
2009-06-10	Options (right to buy)	$15.13	M	7600	Disposed	2010-01-28	Common Stock (7600)	Direct

Footnotes

F1: These shares were issued upon the exercise of options (described in Table II) then sold.

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

F3: This option became exercisable in equal installments over a four year period. The option became fully exercisable on January 28, 2004.

F4: This number represents the partial exercise of options issued to Mr. McEntire in January 2000 to purchase shares of common stock, par value $.01 per share, of OYG Geospace Corporation.

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

F6: Includes options to purchase shares of common stock, par value $.01 per share, of OYO Geospace Corporation having varying exercise dates, expiration dates and exercise prices.