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Filing Detail
Form 4 - Statement of changes in beneficial ownership of securities:
SEC Accession No. 0001209191-21-066018
Filing Date
2021-11-22
Accepted
2021-11-22 09:20:10
Documents
1
Period of Report
2021-11-18

Document Format Files

Seq Description Document Type Size
1 FORM 4 SUBMISSION doc4.html 4  
1 FORM 4 SUBMISSION doc4.xml 4 3146
  Complete submission text file 0001209191-21-066018.txt   4544
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

Mailing Address 7007 PINEMONT DRIVE HOUSTON TX 77040
Business Address
SHEEN MICHAEL J (Reporting) CIK: 0001049654 (see all company filings)

Type: 4 | Act: 34 | File No.: 001-13601 | Film No.: 211430409