SEC Form 4 · accession 0001209191-18-016030
ION GEOPHYSICAL CORP · IO
Statement of changes in beneficial ownership, as filed. Original on EDGAR ↗
Reporting owner
Christopher Theron Usher
Officer — EVP & COO, OPER OPTIMIZATION
Period of report
Mar 1, 2018
Accepted (ET)
Mar 2, 2018 · 7:07 pm EST
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 |
|---|---|---|---|---|---|---|---|---|
| Common StockF1 | Mar 1, 2018 | A | 6,605 | $0.00 | A | 58,822 | D | |
| Common StockF2 | Mar 1, 2018 | F | 2,042 | $28.10 | D | 56,780 | D |
Table II — derivative securities
No Table II lines on this filing.
Explanation of responses
- F1Restricted Stock issued pursuant to the Equity Investment Program and the ION Geophysical Corporation Second Amended and Restated 2013 Long Term Incentive Plan. The shares will vest in full on the date that is 90 days from the transaction date in Column 2.
- F2These shares were withheld upon the vesting of restricted stock shares to pay tax withholding obligations.