LAMBERT DALE J 4
4 · ION GEOPHYSICAL CORP · Filed May 13, 2021
Insider Transaction Report
Form 4
LAMBERT DALE J
EVP, Operations Optimization
Transactions
- Award
Common Stock
2021-05-11+61,500→ 102,316 total
Footnotes (1)
- [F1]Restricted Stock award issued pursuant to the ION Geophysical Corporation Fourth Amended and Restated 2013 Long Term Incentive Plan ("2013 LTIP"). The shares of restricted stock will vest in three equal annual installments beginning on May 11, 2022.