LAMBERT DALE J 4
4 · ION GEOPHYSICAL CORP · Filed May 13, 2022
Insider Transaction Report
Form 4
LAMBERT DALE J
EVP, Operations Optimization
Transactions
- Tax Payment
Common Stock
2022-05-11$0.37/sh−5,811$2,150→ 90,540 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.