Hanson R Brian 4
4 · ION GEOPHYSICAL CORP · Filed Dec 18, 2017
Insider Transaction Report
Form 4
Hanson R Brian
Exec. VP & CFO
Transactions
- Purchase
Common Stock
2017-12-14$13.05/sh+36,351$474,381→ 154,325 total
Holdings
- 666(indirect: By Spouse)
Common Stock