SEC Form 4 · accession 0001209191-18-034704
ION GEOPHYSICAL CORP · IO
Statement of changes in beneficial ownership, as filed. Original on EDGAR ↗
Reporting owner
Matthew R Powers
Officer — EVP, Gen Coun & Corp Secy
Period of report
May 30, 2018
Accepted (ET)
Jun 1, 2018 · 4:42 pm EDT
Rule 10b5-1 plan
unknown — predates the checkbox
Issuer CIK
0000866609
Table I — non-derivative securities
| Security | Date | Code | Shares | Price | A/D | Owned after | D/I | Nature of ownership |
|---|---|---|---|---|---|---|---|---|
| New Common StockF1 | May 30, 2018 | F | 72 | $23.80 | D | 15,470 | D |
Table II — derivative securities
No Table II lines on this filing.
Explanation of responses
- F1These shares were withheld upon the vesting of restricted stock shares to pay tax withholding obligations.