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Form DEFA14A - Additional definitive proxy soliciting materials and Rule 14(a)(12) material:
SEC Accession No. 0001193125-13-035906
Filing Date
2013-02-04
Accepted
2013-02-04 10:31:35
Documents
2
Effectiveness Date
2013-02-04

Document Format Files

Seq Description Document Type Size
1 DEFINITIVE ADDITIONAL MATERIALS d479518ddefa14a.htm DEFA14A 18361
2 GRAPHIC g479518tx_pg001.jpg GRAPHIC 27828
  Complete submission text file 0001193125-13-035906.txt   57923
Mailing Address 7007 PINEMONT DR. HOUSTON TX 77040
Business Address 7007 PINEMONT DR. HOUSTON TX 77040 7139864444
GEOSPACE TECHNOLOGIES CORP (Filer) CIK: 0001001115 (see all company filings)

IRS No.: 760447780 | State of Incorp.: DE | Fiscal Year End: 0930
Type: DEFA14A | Act: 34 | File No.: 001-13601 | Film No.: 13568489
SIC: 3829 Measuring & Controlling Devices, NEC