GEOSPACE TECHNOLOGIES CORP - Director's Dealing 2018

SEC Form 4/A — Form 4/A

Issuer: GEOSPACE TECHNOLOGIES CORP (GEOS)
CIK: 0001001115
Period of Report: 2018-09-07

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

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2018-09-07	Common Stock	M	500	$8.78	Acquired	31500	Direct
2018-09-07	Common Stock	S	500	$13.3964	Disposed	31000	Direct
2018-09-10	Common Stock	S	3000	$13.1625	Disposed	28000	Direct

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2018-09-07	Options (right to buy)	$8.78	M	500	Disposed	2018-12-05	Common Stock (500)	Direct

F1: The price reported is a weighted average. These shares were sold in multiple transactions at prices ranging from $13.10 to $13.19, inclusive.

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

F3: This option vested in four equal annual installments beginning February 5, 2012 and is now fully exercisable.