GEOSPACE TECHNOLOGIES CORP — Director's Dealing 2012

Sep 10, 2012

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: OYO GEOSPACE CORP (OYOG)
CIK: 0001001115
Period of Report: 2012-09-07

Reporting Person: Rice Lacey (Vice President, HR)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2012-09-07	Common Stock, par value $.01 per share	M	1500	$17.56	Acquired	1500	Direct
2012-09-07	Common Stock, par value $.01 per share	M	1000	$18.41	Acquired	2500	Direct
2012-09-07	Common Stock, par value $.01 per share	S	2500	$110.0119	Disposed	0	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2012-09-07	Options (right to buy)	$17.56	M	1500	Disposed	2018-12-05	Common Stock (1500)	Direct
2012-09-07	Options (right to buy)	$18.41	M	1000	Disposed	2014-07-26	Common Stock (1000)	Direct

Footnotes

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

F2: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $110.00 to $110.25, inclusive. The reporting person undertakes to provide to OYO Geospace Corporation, any security holder of OYO Geospace Corporation, or the staff of the SEC, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote.

F3: The shares that were issued upon the exercise of these options were immediately sold, as is presented in Table I.

F4: This option became exercisable in equal annual installments over a four year period. The option will become fully exercisable on December 5, 2012.

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