SEC Form 4 · accession 0001209191-17-066469
ION GEOPHYSICAL CORP · IO
Statement of changes in beneficial ownership, as filed. Original on EDGAR ↗
Reporting owner
Christopher Theron Usher
Officer — EVP & COO, E&P OPER OPTIMIZAT
Period of report
Dec 15, 2017
Accepted (ET)
Dec 19, 2017 · 6:15 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 Stock | Dec 15, 2017 | M | 100,000 | $3.10 | A | 137,367 | D | |
| Common Stock | Dec 15, 2017 | D | 100,000 | $13.05 | D | 37,367 | D | |
| Common Stock | Dec 15, 2017 | P | 14,850 | $13.50 | A | 52,217 | D |
Table II — derivative securities
| Security | Conv. / exercise price | Date | Code | Shares | A/D | Exercisable | Expires | Underlying | Underlying shares | Owned after | D/I |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Stock Appreciation RightF2 | $3.10 | Dec 15, 2017 | M | 100,000 | D | Mar 1, 2017 | Mar 1, 2026 | Common Stock | 100,000 | 50,000 | D |
Explanation of responses
- F1Exercise of cash-settled SARs. In accordance with the rules for filing Form 4, the exercise of cash-settled SARs is treated as the simultaneous purchase of the number of shares for which SARs are exercised and the sale of the same number of shares. No shares actually changed hands.
- F2Compensation Committee approved acceleration of the vesting of the second tranche on 12/13/2017. Final tranche to vest as scheduled on 03/01/2019.