Renaissance Technologies LLC 13D and 13G filings for ION GEOPHYSICAL CORP:
- Schedule 13D must be filed within ten days after a person or an organization acquires beneficial ownership of more than 5% of a voting class of a company's equity securities.
- Shares have been adjusted for stock splits.
| Reported DateTime | Transaction Date | Type | Company Symbol | Filed By Symbol | Shares Owned % Owned | Shares Vs. Prev Report | View |
| 2022-02-10 4:37 pm Sale | 2021-12-31 | 13G | ION GEOPHYSICAL CORP IOGPQ | Renaissance Technologies LLC | 0 0.000% | -1,004,267 (Position Closed) | Filing |