Schedule 13D ownership disclosure
Ion Geophysical Corp
Security class unavailable · CUSIP: 462044207
Event date: 2021-04-20
Legacy cover-page extraction is best effort and may not include every reporting person.
- Filing-level shares
- Unavailable
- Percent of class
- 5.7000%
Amounts are as disclosed in this filing. Schedule type alone does not establish investment intent.
Source: SEC EDGAR filingFiling metadata
- Accession number
- 0001193125-21-191356
- Form type
- SC 13D
- Filer
- ION GEOPHYSICAL CORP
- CIK
- CIK 866609
- Filed
- Jun 16, 2021
- Reporting period
- Apr 20, 2021
- Description
- Schedule 13D beneficial ownership