GEOSPACE TECHNOLOGIES CORP — Director's Dealing 2013

Feb 13, 2013

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: GEOSPACE TECHNOLOGIES CORP (GEOS)
CIK: 0001001115
Period of Report: 2013-02-11

Reporting Person: MCENTIRE THOMAS T (CFO & Secretary)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2013-02-11	Common Stock, par value $.01 per share	M	15178	$8.78	Acquired	37178	Direct
2013-02-11	Common Stock, par value $.01 per share	S	2399	$106.0158	Disposed	34779	Direct
2013-02-11	Common Stock, par value $.01 per share	S	12484	$106.7618	Disposed	22295	Direct
2013-02-11	Common Stock, par value $.01 per share	S	295	$107.6660	Disposed	22000	Direct
2013-02-12	Common Stock, par value $.01 per share	M	9822	$8.78	Acquired	31822	Direct
2013-02-12	Common Stock, par value $.01 per share	S	9822	$106.9927	Disposed	22000	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2013-02-11	Options (right to buy)	$8.78	M	15178	Disposed	2018-12-05	Common Stock, par value $.01 per share (15178)	Direct
2013-02-12	Options (right to buy)	$8.78	M	9822	Disposed	2018-12-05	Common Stock, par value $.01 per share (9822)	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 $105.53 to $106.50, inclusive. The reporting person undertakes to provide to Geospace Technologies Corporation (the "Company"), any security holder of the Company, 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 price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $106.53 to $107.52, inclusive. The reporting person undertakes to provide to the Company, any security holder of the Company, 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.

F4: On October 18, 2012, the common stock of the Company split 2-for-1, resulting in the reporting person's ownership of 11,000 additional shares of common stock and 12,500 additional options whose strike price was reduced to $8.78.

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

F6: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $106.65 to $107.13, inclusive. The reporting person undertakes to provide to the Company, any security holder of the Company, 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.

F7: The shares that were issued upon the exercise of options were immediately sold, as is presented in Table I.

F8: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $107.57 to $107.81, inclusive. The reporting person undertakes to provide to the Company, any security holder of the Company, 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.