Form SCHEDULE 13G/A - Statement of Beneficial Ownership by Certain Investors: [Amend]
SEC Accession No. 0002052113-25-003055
Filing Date
2025-07-17
Accepted
2025-07-17 19:54:39
Documents
3

Document Format Files

Seq Description Document Type Size
1 primary_doc.html SCHEDULE 13G/A  
1 primary_doc.xml SCHEDULE 13G/A 5672
2 EXHIBIT 24: POWER OF ATTORNEY PowerOfAttorney.txt EX-24 2796
3 EXHIBIT 99: ITEM 7 Item_7.txt EX-99 437
  Complete submission text file 0002052113-25-003055.txt   10842
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: SCHEDULE 13G/A | Act: 34 | File No.: 005-52075 | Film No.: 251132219
SIC: 3829 Measuring & Controlling Devices, NEC
(CF Office: 08 Industrial Applications and Services)

Mailing Address 50 HUDSON YARDS NEW YORK NY 10001
Business Address 50 HUDSON YARDS NEW YORK NY 10001 (212) 810-5800
BlackRock, Inc. (Filed by) CIK: 0002012383 (see all company filings)

EIN.: 991116001 | State of Incorp.: DE | Fiscal Year End: 1231
Type: SCHEDULE 13G/A
SIC: 6211 Security Brokers, Dealers & Flotation Companies
(CF Office: 02 Finance)