| Symbol | Company | Owner | Relationship | Date | Transaction | Cost | # Shares | Value ($) | Total Shares | Filing | |
|---|---|---|---|---|---|---|---|---|---|---|---|
| IO | ION GEOPHYSICAL CORP | Zhang ShaoHua | Director | Mar 01, 2022 | Option Exercise | $0.58 | 750 | 435 | 2,123 | Mar 03, 2022, 06:15 PM | |
| IO | ION GEOPHYSICAL CORP | Zhang ShaoHua | Director | Mar 01, 2021 | Option Exercise | $3.04 | 160 | 486 | 373 | Mar 03, 2021, 06:09 PM |
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