Filing Details

Accession Number:
0001209191-11-014230
Form Type:
4
Zero Holdings:
No
Publication Time:
2011-03-02 13:34:22
Reporting Period:
2011-02-28
Filing Date:
2011-03-02
Accepted Time:
2011-03-02 13:34:22
SEC Url:
Form 4 Filing
Issuer
Cik Name Symbol Sector (SIC) IRS No
866609 Ion Geophysical Corp IO Oil & Gas Field Exploration Services (1382) 222286646
Insiders
Cik Name Reported Address Insider Title Director Officer Large Shareholder Other
1228756 L Michael Morrison 2105 Citywest Boulevard
Suite 400
Houston TX 77042-2839
Vp & Corp Controller No 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
Common Stock Acquisiton 2011-02-28 6,000 $9.44 22,023 No 4 M Direct
Common Stock Acquisiton 2011-02-28 5,000 $7.31 27,023 No 4 M Direct
Common Stock Acquisiton 2011-02-28 5,000 $3.00 32,023 No 4 M Direct
Common Stock Disposition 2011-02-28 16,000 $12.75 16,023 No 4 S Direct
Equity Swap Involved Form Type Code Nature of Ownership Explanation
No 4 M Direct
No 4 M Direct
No 4 M Direct
No 4 S Direct
Reported Derivative Transactions
Sec. Name Sec. Type Acquisiton - Disposition Date Amount Price Amount - 2 Price - 2
Common Stock Employee stock option (right-to-buy) Disposition 2011-02-28 6,000 $0.00 6,000 $9.44
Common Stock Employee stock option (right-to-buy) Disposition 2011-02-28 5,000 $0.00 5,000 $7.31
Common Stock Employee stock option (right-to-buy) Disposition 2011-02-28 5,000 $0.00 5,000 $3.00
Remaning Holdings Exercise Date Expiration Date Equity Swap Involved Transaction Form Type Transaction Code Nature of Ownership
0 2012-06-07 No 4 M Direct
12,500 2015-08-02 No 4 M Direct
5,000 2018-12-01 No 4 M Direct
Footnotes
  1. Includes 87 shares acquired under the ION Employee Stock Purchase Plan.
  2. The option became exercisable in four equal annual installments beginning on June 7, 2003.
  3. The option became exercisable in four equal annual installments beginning on August 2, 2006.
  4. The option became exercisable in four equal annual installments beginning on December 1, 2009.