GEOSPACE TECHNOLOGIES CORP - Director's Dealing 2010

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: OYO GEOSPACE CORP (OYOG)
CIK: 0001001115
Period of Report: 2010-03-09

Reporting Person: SHEEN MICHAEL J (Director, SVP & Chief Technical Officer)

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2010-03-09	Common Stock, par value $.01 per share	S	754	$50.15	Disposed	69246	Direct
2010-03-09	Common Stock, par value $.01 per share	S	135	$50.09	Disposed	69111	Direct
2010-03-09	Common Stock, par value $.01 per share	S	1144	$50.20	Disposed	67967	Direct
2010-03-09	Common Stock, par value $.01 per share	S	408	$50.12	Disposed	67559	Direct
2010-03-09	Common Stock, par value $.01 per share	S	100	$50.16	Disposed	67459	Direct
2010-03-09	Common Stock, par value $.01 per share	S	40	$50.08	Disposed	67419	Direct
2010-03-09	Common Stock, par value $.01 per share	S	100	$50.04	Disposed	67319	Direct
2010-03-09	Common Stock, par value $.01 per share	S	100	$50.06	Disposed	67219	Direct
2010-03-09	Common Stock, par value $.01 per share	S	200	$50.14	Disposed	67019	Direct
2010-03-10	Common Stock, par value $.01 per share	S	274	$50.00	Disposed	66745	Direct