Williamson Ken

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Williamson Ken
CIK #0001507574
EDGAR Form CIK 2011 - 2026
4 [0001507574]
Form 3/4/5 Subject 2011 - 2026
Ion Geophysical Corp
Williamson Ken
Insider Transaction (Form 3/4/5) Date Action Shares Price Value ($)
Ion Geophysical Corp IO
Common Stock
2022-05-11 Tax withheld 6,631 $0.37 2,453
Ion Geophysical Corp IO
Common Stock
2021-12-01 Tax withheld 11,135 $1.74 19,375
Ion Geophysical Corp IO
Common Stock
2021-05-11 Grant 61,500 $0.00
Ion Geophysical Corp IO
Common Stock
2021-04-19 Tax withheld 23,584 $2.16 50,941
Ion Geophysical Corp IO
Common Stock
2020-12-31 Other 533 $0.00
Ion Geophysical Corp IO
Common Stock
2019-03-01 Tax withheld 2,296 $13.16 30,215
Ion Geophysical Corp IO
Common Stock
2018-12-01 Grant 89,430 $0.00
Ion Geophysical Corp IO
Stock Appreciation Right · derivative
2018-12-01 Grant 95,435 $0.00
Ion Geophysical Corp IO
New Common Stock
2018-05-30 Tax withheld 3,477 $23.80 82,753
Ion Geophysical Corp IO
Common Stock
2018-03-01 Tax withheld 1,800 $28.10 50,580
Ion Geophysical Corp IO
Common Stock
2018-03-01 Grant 8,835 $0.00
Ion Geophysical Corp IO
Common Stock
2017-12-15 Buy 26,000 $13.63 354,380
Ion Geophysical Corp IO
Stock Appreciation Right · derivative
2017-12-15 Option exercise 100,000 $0.00
Ion Geophysical Corp IO
Common Stock
2017-12-15 Option exercise 100,000 $3.10 310,000
Ion Geophysical Corp IO
Common Stock
2017-12-15 Disposed to issuer 100,000 $13.05 1,305,000
Ion Geophysical Corp IO
Common Stock
2017-12-14 Buy 18,176 $13.05 237,197
Ion Geophysical Corp IO
Common Stock
2016-12-01 Tax withheld 122 $7.40 903
Ion Geophysical Corp IO
Common Stock
2016-03-01 Grant 17,500 $0.00
Ion Geophysical Corp IO
Common Stock
2015-12-01 Option exercise 1,824 $0.56 1,021
Ion Geophysical Corp IO
Common Stock
2015-12-01 Option exercise 1,368 $0.56 766
showing 20 of 36 most recent transactions
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