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Mailing Address 7007 PINEMONT DR. HOUSTON TX 77040
Business Address 7007 PINEMONT DR. HOUSTON TX 77040 7139864444
GEOSPACE TECHNOLOGIES CORP CIK#: 0001001115 (see all company filings)

SIC: 3829 - MEASURING & CONTROLLING DEVICES, NEC
State location: TX | State of Inc.: TX | Fiscal Year End: 0930
formerly: OYO GEOSPACE CORP (filings through 2012-10-01)
(CF Office: 08 Industrial Applications and Services)
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Items 1 - 40  0001001115 Filings RSS Feed
Filings Format Description Filing Date File/Film Number
SC 13G/A  Documents [Amend] Statement of acquisition of beneficial ownership by individuals
Acc-no: 0001050442-24-000006 (34 Act)  Size: 10 KB
2024-02-14 005-52075
24634834
SC 13G  Documents Statement of acquisition of beneficial ownership by individuals
Acc-no: 0001104659-24-021013 (34 Act)  Size: 13 KB
2024-02-13 005-52075
24628677
SC 13G/A  Documents [Amend] Statement of acquisition of beneficial ownership by individuals
Acc-no: 0001398344-24-002392 (34 Act)  Size: 62 KB
2024-02-09 005-52075
24611576
10-Q  Documents   Interactive Data Quarterly report [Sections 13 or 15(d)]
Acc-no: 0001437749-24-003520 (34 Act)  Size: 5 MB
2024-02-08 001-13601
24609201
8-K  Documents   Interactive Data Current report, item 5.07
Acc-no: 0001437749-24-003502 (34 Act)  Size: 164 KB
2024-02-08 001-13601
24608658
8-K  Documents   Interactive Data Current report, items 2.02 and 9.01
Acc-no: 0001437749-24-003391 (34 Act)  Size: 399 KB
2024-02-07 001-13601
24605968
SC 13G/A  Documents [Amend] Statement of acquisition of beneficial ownership by individuals
Acc-no: 0001381954-24-000004 (34 Act)  Size: 10 KB
2024-02-01 005-52075
24586773
DEF 14A  Documents Other definitive proxy statements
Acc-no: 0001437749-24-000325 (34 Act)  Size: 482 KB
2024-01-03 001-13601
24505293
8-K  Documents   Interactive Data Current report, items 5.02 and 9.01
Acc-no: 0001437749-23-035115 (34 Act)  Size: 219 KB
2023-12-21 001-13601
231505916
10-K  Documents   Interactive Data Annual report [Section 13 and 15(d), not S-K Item 405]
Acc-no: 0001437749-23-032446 (34 Act)  Size: 9 MB
2023-11-17 001-13601
231417940
8-K  Documents   Interactive Data Current report, items 2.02 and 9.01
Acc-no: 0001437749-23-032405 (34 Act)  Size: 549 KB
2023-11-17 001-13601
231416456
SC 13G/A  Documents [Amend] Statement of acquisition of beneficial ownership by individuals
Acc-no: 0001398344-23-019123 (34 Act)  Size: 92 KB
2023-10-10 005-52075
231317907
10-Q  Documents   Interactive Data Quarterly report [Sections 13 or 15(d)]
Acc-no: 0001437749-23-023223 (34 Act)  Size: 7 MB
2023-08-11 001-13601
231162364
8-K  Documents   Interactive Data Current report, items 2.02 and 9.01
Acc-no: 0001437749-23-023116 (34 Act)  Size: 457 KB
2023-08-10 001-13601
231160351
8-K  Documents   Interactive Data Current report, items 1.01, 2.03, and 9.01
Acc-no: 0001437749-23-021331 (34 Act)  Size: 955 KB
2023-08-01 001-13601
231130412
8-K  Documents   Interactive Data Current report, items 5.02 and 9.01
Acc-no: 0001437749-23-019450 (34 Act)  Size: 159 KB
2023-07-06 001-13601
231072326
SD  Documents Specialized disclosure report
Acc-no: 0001437749-23-014885 (34 Act)  Size: 23 KB
2023-05-17 001-13601
23929873
10-Q  Documents   Interactive Data Quarterly report [Sections 13 or 15(d)]
Acc-no: 0001437749-23-014092 (34 Act)  Size: 6 MB
2023-05-12 001-13601
23914217
8-K  Documents   Interactive Data Current report, items 2.02 and 9.01
Acc-no: 0001437749-23-013982 (34 Act)  Size: 464 KB
2023-05-11 001-13601
23912039
8-K  Documents   Interactive Data Current report, items 8.01 and 9.01
Acc-no: 0000950170-23-005076 (34 Act)  Size: 170 KB
2023-02-28 001-13601
23685260
SC 13G/A  Documents [Amend] Statement of acquisition of beneficial ownership by individuals
Acc-no: 0001050442-23-000004 (34 Act)  Size: 10 KB
2023-02-14 005-52075
23628045
SC 13G/A  Documents [Amend] Statement of acquisition of beneficial ownership by individuals
Acc-no: 0001144969-23-000004 (34 Act)  Size: 7 KB
2023-02-13 005-52075
23615653
SC 13G/A  Documents [Amend] Statement of acquisition of beneficial ownership by individuals
Acc-no: 0000354204-23-001393 (34 Act)  Size: 19 KB
2023-02-10 005-52075
23610686
8-K  Documents   Interactive Data Current report, item 5.07
Acc-no: 0000950170-23-002361 (34 Act)  Size: 210 KB
2023-02-09 001-13601
23606645
10-Q  Documents   Interactive Data Quarterly report [Sections 13 or 15(d)]
Acc-no: 0000950170-23-002300 (34 Act)  Size: 8 MB
2023-02-09 001-13601
23605634
8-K  Documents   Interactive Data Current report, items 2.02 and 9.01
Acc-no: 0000950170-23-002194 (34 Act)  Size: 812 KB
2023-02-08 001-13601
23600056
SC 13G  Documents Statement of acquisition of beneficial ownership by individuals
Acc-no: 0001381954-23-000005 (34 Act)  Size: 10 KB
2023-01-25 005-52075
23552125
SC 13G  Documents Statement of acquisition of beneficial ownership by individuals
Acc-no: 0001398344-23-000523 (34 Act)  Size: 87 KB
2023-01-10 005-52075
23521214
DEF 14A  Documents Other definitive proxy statements
Acc-no: 0001193125-23-001273 (34 Act)  Size: 349 KB
2023-01-04 001-13601
23504625
10-K  Documents   Interactive Data Annual report [Section 13 and 15(d), not S-K Item 405]
Acc-no: 0000950170-22-025429 (34 Act)  Size: 18 MB
2022-11-18 001-13601
221401544
8-K  Documents   Interactive Data Current report, items 2.02 and 9.01
Acc-no: 0001193125-22-288410 (34 Act)  Size: 343 KB
2022-11-18 001-13601
221400768
8-K  Documents   Interactive Data Current report, items 5.02 and 9.01
Acc-no: 0001193125-22-278003 (34 Act)  Size: 140 KB
2022-11-04 001-13601
221362976
10-Q  Documents   Interactive Data Quarterly report [Sections 13 or 15(d)]
Acc-no: 0000950170-22-016396 (34 Act)  Size: 11 MB
2022-08-10 001-13601
221151492
8-K  Documents   Interactive Data Current report, items 2.02 and 9.01
Acc-no: 0001193125-22-217022 (34 Act)  Size: 335 KB
2022-08-10 001-13601
221150838
8-K  Documents   Interactive Data Current report, items 8.01 and 9.01
Acc-no: 0001193125-22-215657 (34 Act)  Size: 170 KB
2022-08-09 001-13601
221146477
SD  Documents Specialized disclosure report
Acc-no: 0001193125-22-154634 (34 Act)  Size: 18 KB
2022-05-19 001-13601
22941364
10-Q  Documents   Interactive Data Quarterly report [Sections 13 or 15(d)]
Acc-no: 0000950170-22-009623 (34 Act)  Size: 10 MB
2022-05-12 001-13601
22917441
8-K  Documents   Interactive Data Current report, items 2.02 and 9.01
Acc-no: 0001193125-22-148209 (34 Act)  Size: 333 KB
2022-05-12 001-13601
22916078
8-K  Documents   Interactive Data Current report, items 1.01, 2.03, and 9.01
Acc-no: 0001193125-22-145933 (34 Act)  Size: 545 KB
2022-05-10 001-13601
22908145
SC 13G/A  Documents [Amend] Statement of acquisition of beneficial ownership by individuals
Acc-no: 0000315066-22-001581 (34 Act)  Size: 8 KB
2022-05-10 005-52075
22907933