LAMBERT DALE J 4
4 · ION GEOPHYSICAL CORP · Filed Apr 21, 2021
Insider Transaction Report
Form 4
LAMBERT DALE J
EVP, Operations Optimization
Transactions
- Tax Payment
Common Stock
2021-04-19$2.16/sh−5,209$11,251→ 40,816 total
Footnotes (1)
- [F1]These shares were not sold, but were withheld by ION Geophysical Corporation upon the vesting of restricted stock shares to satisfy tax withholding obligations.