Form SC 13G/A - Statement of Beneficial Ownership by Certain Investors: [Amend]
SEC Accession No. 0001013594-20-000041
Filing Date
2020-01-21
Accepted
2020-01-21 11:53:06
Documents
2

Document Format Files

Seq Description Document Type Size
1 AMENDMENT NO. 1 TO THE SCHEDULE 13G geospace13ga1-123119.htm SC 13G/A 98247
2 JOINT FILING AGREEMENT (RESTATED) geospace991-123119.htm EX-99.1 10939
  Complete submission text file 0001013594-20-000041.txt   110831
Mailing Address 7007 PINEMONT DR. HOUSTON TX 77040
Business Address 7007 PINEMONT DR. HOUSTON TX 77040 7139864444
GEOSPACE TECHNOLOGIES CORP (Subject) CIK: 0001001115 (see all company filings)

EIN.: 760447780 | State of Incorp.: TX | Fiscal Year End: 0930
Type: SC 13G/A | Act: 34 | File No.: 005-52075 | Film No.: 20535688
SIC: 3829 Measuring & Controlling Devices, NEC

Mailing Address 19605 NE 8TH ST CAMAS WA 98607
Business Address 19605 NE 8TH ST CAMAS WA 98607 360-604-8600
Nierenberg Investment Management Company, Inc. (Filed by) CIK: 0001282683 (see all company filings)

EIN.: 911677205 | State of Incorp.: WA | Fiscal Year End: 1231
Type: SC 13G/A