3

Initial Statement of Ownership

GEOSPACE TECHNOLOGIES CORP Filed 2012-05-30 Acc 0001181431-12-033294

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3 Initial Statement of Ownership , xslF345X02/rrd347031.xml

Around this filing

2012-05-30 4 Changes in Ownership
2012-05-30 3 Initial Statement of Ownership
2012-05-30 3 Initial Statement of Ownership
2012-04-11 3 Initial Statement of Ownership

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