SEC Form 4 · accession 0001209191-18-035686
ION GEOPHYSICAL CORP · IO
Statement of changes in beneficial ownership, as filed. Original on EDGAR ↗
Reporting owner
Huasheng Zheng
Director
Period of report
Jun 1, 2018
Accepted (ET)
Jun 5, 2018 · 4:26 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 | Jun 1, 2018 | A | 533 | $0.00 | A | 533 | D | |
| New Common StockF2 | Jun 1, 2018 | F | 160 | $24.50 | D | 373 | D | |
| New Common StockF3 | Jun 1, 2018 | A | 1,875 | $0.00 | A | 2,248 | D |
Table II — derivative securities
No Table II lines on this filing.
Explanation of responses
- F1Issued pursuant to the ION Geophysical Corporation Second Amended and Restated 2013 Long Term Incentive Plan.
- F2These shares were withheld upon the vesting of restricted stock shares to pay tax withholding obligations.
- F3Restricted stock grant issued pursuant to the ION Geophysical Corporation Second Amended and Restated 2013 Long Term Incentive Plan. Award will vest 100% upon the nine-month anniversary of the date shown in Column 2.