GEOSPACE TECHNOLOGIES CORP — Director's Dealing 2013

Aug 29, 2013

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: GEOSPACE TECHNOLOGIES CORP (GEOS)
CIK: 0001001115
Period of Report: 2013-08-28

Reporting Person: Adams Robbin B. (Executive Vice President)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2013-08-28	Common Stock, par value $.01 per share	M	1000	$8.78	Acquired	2550	Direct
2013-08-28	Common Stock, par value $.01 per share	S	1000	$68.797	Disposed	1550	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2013-08-28	Options (right to buy)	$8.78	M	1000	Disposed	2018-12-05	Common Stock (1500)	Direct

Holdings (Derivative)

Security	Exercise Price	Expiration	Underlying	Shares	Ownership
Options (right to buy)	$21.945	2020-02-25	Common Stock (13000)	13000	Direct

Footnotes

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

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

F3: This option becomes exercisable in equal annual installments over a four year period. The option will become fully exercisable on February 25, 2014.

F4: Pursuant to General Instruction 4(c)(iii) of Form 4, the exercise price is reported in column 2 of this Table II.

F5: This option became exercisable in equal annual installments over a four year period, and is now fully exercisable.

F6: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $68.78 to $68.88, inclusive. The reporting person undertakes to provide

F7: On October 18, 2012, the common stock of Geospace Technologies Corporation (the "Company") split 2-for-1, resulting in the reporting person's direct ownership of 775 additional shares of common stock.

F8: On October 18, 2012, the common stock of the Company split 2-for-1, resulting in the reporting person's ownership of 6,500 additional options for which the strike price was reduced to $21.945.

F9: On October 18, 2012, the common stock of the Company split 2-for-1, resulting in the reporting person's ownership of 750 additional options for which the strike price was reduced to $8.78.