SEC Form 4 · accession 0001209191-16-151294
ION GEOPHYSICAL CORP · IO
Statement of changes in beneficial ownership, as filed. Original on EDGAR ↗
Reporting owner
Colin Hulme
Officer — EVP, Ocean Bottom Services
Period of report
Nov 16, 2016
Accepted (ET)
Nov 18, 2016 · 5:38 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 | Nov 16, 2016 | S | 1,618 | $8.1734 | D | 28,085 | D |
Table II — derivative securities
No Table II lines on this filing.
Explanation of responses
- F1This transaction was executed in multiple trades at prices ranging from $8.1373 to $8.25, inclusive. The price set forth above reflects the weighted-average price per share. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transactions were effected.