| Company | Role | Class | Num Shares | Value | Price $ | Report Date | Ownership |
|---|---|---|---|---|---|---|---|
| ION GEOPHYSICAL CORP | Director | Common Stock | 4,623 | $3,698 | $0.8000 | 01 Mar 2022 | Direct |
| Symbol | Company | Period | Transactions | Value $ | Form Type | Role | Filing Time |
|---|---|---|---|---|---|---|---|
| /report/000143774922005201-zhang-shaohua-2022-03-01 | ION GEOPHYSICAL CORP | 01 Mar 2022 | 2 | -$435 | 4 | Director | 03 Mar 2022, 17:15 |