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Filing Detail
Form 4/A - Statement of changes in beneficial ownership of securities: [Amend]
SEC Accession No. 0001209191-18-050404
Filing Date
2018-09-11
Accepted
2018-09-11 11:42:57
Documents
1
Period of Report
2018-09-07

Document Format Files

Seq Description Document Type Size
1 FORM 4/A SUBMISSION doc4a.html 4/A  
1 FORM 4/A SUBMISSION doc4a.xml 4/A 9179
  Complete submission text file 0001209191-18-050404.txt   10586
Mailing Address 7007 PINEMONT DR. HOUSTON TX 77040
Business Address 7007 PINEMONT DR. HOUSTON TX 77040 7139864444
GEOSPACE TECHNOLOGIES CORP (Issuer) CIK: 0001001115 (see all company filings)

IRS No.: 760447780 | State of Incorp.: TX | Fiscal Year End: 0930
SIC: 3829 Measuring & Controlling Devices, NEC
Office of Life Sciences

Mailing Address 7007 PINEMONT DRIVE HOUSTON TX 77040
Business Address
Adams Robbin B. (Reporting) CIK: 0001550921 (see all company filings)

Type: 4/A | Act: 34 | File No.: 001-13601 | Film No.: 181064325