| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes | 
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | IO | Common Stock | Award | $0 | +533 | $0.00 | 533 | Sep 1, 2021 | Direct | F1 | |
| transaction | IO | Common Stock | Award | $0 | +1.68K | +314.82% | $0.00 | 2.21K | Sep 1, 2021 | Direct | F2 | 
| Id | Content | 
|---|---|
| F1 | Issued pursuant to the ION Geophysical Corporation Fourth Amended and Restated 2013 Long Term Incentive Plan ("2013 LTIP"). | 
| F2 | Restricted stock award issued pursuant to the 2013 LTIP. Award will vest 100% on March 1, 2022. |