Filing Details

Accession Number:
Form Type:
Zero Holdings:
Publication Time:
2018-06-20 16:41:20
Reporting Period:
Accepted Time:
2018-06-20 16:41:20
SEC Url:
Form 4 Filing
Cik Name Symbol Sector (SIC) IRS No
866609 Ion Geophysical Corp IO Oil & Gas Field Exploration Services (1382) 222286646
Cik Name Reported Address Insider Title Director Officer Large Shareholder Other
1297501 Brian R Hanson 2105 Citywest Boulevard
Suite 100
Houston TX 77042-2855
President & Ceo Yes Yes No No
Reported Non-Derivative Transactions
Sec. Name Acquisiton - Disposition Date Amount Price Remaning Holdings Equity Swap Involved Form Type Code Nature of Ownership Explanation
New Common Stock Disposition 2018-06-18 57,028 $22.74 91,392 No 4 S Direct
New Common Stock Disposition 2018-06-19 667 $22.50 90,725 No 4 S Direct
Equity Swap Involved Form Type Code Nature of Ownership Explanation
No 4 S Direct
No 4 S Direct
Reported Non-Derivative Holdings
Sec. Name Remaning Holdings Nature of Ownership Explanation
New Common Stock 666 Indirect Shares held by Spouse
  1. Sale of significantly higher cost basis stock acquired since 2013 as a personal tax strategy. Shares were sold as part of an existing 10b5-1 plan initiated in 2017.
  2. This transaction was executed in multiple trades at prices ranging from $22.50 to $23.30, 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.