Williamson Ken

Number of records: 27
SEC FilingCompany/StockTrade DateTransactionSharesAvg. PriceTotal% HoldingsGain/Loss
13-May-22 4:33 PM
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ION Geophysical Corporation (IO) 11-May-22Payment of Exercise 6,631$0.37$2,453.47(3%)
190.89K to 184.26K
03-Dec-21 6:07 PM
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ION Geophysical Corporation (IO) 01-Dec-21Payment of Exercise 11,135$1.74$19,374.90(6%)
202.02K to 190.89K
12%
13-May-21 4:42 PM
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ION Geophysical Corporation (IO) 11-May-21Grant 61,500----44%
140.52K to 202.02K
21-Apr-21 9:32 PM
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ION Geophysical Corporation (IO) 19-Apr-21Payment of Exercise 23,584$2.16$50,941.40(14%)
164.11K to 140.52K
8%
05-Jan-21 4:21 PM
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ION Geophysical Corporation (IO) 31-Dec-20Disposition (other) 533----(< 1%)
164.64K to 164.11K
05-Mar-19 4:24 PM
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ION Geophysical Corporation (IO) 01-Mar-19Payment of Exercise 2,296$13.16$30,215.40(1%)
166.94K to 164.64K
81%
04-Dec-18 7:32 PM
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ION Geophysical Corporation (IO) 01-Dec-18Grant 89,430----115%
77.51K to 166.94K
01-Jun-18 4:45 PM
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ION Geophysical Corporation (IO) 30-May-18Payment of Exercise 3,477$23.80$82,752.60(4%)
80.98K to 77.51K
90%
02-Mar-18 7:07 PM
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ION Geophysical Corporation (IO) 01-Mar-18Grant 8,835----12%
73.95K to 82.78K
02-Mar-18 7:07 PM
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ION Geophysical Corporation (IO) 01-Mar-18Payment of Exercise 1,800$28.10$50,580.00(2%)
82.78K to 80.98K
91%
19-Dec-17 6:16 PM
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ION Geophysical Corporation (IO) 15-Dec-17Disposition 100,000$13.05$1,305,000.00(57%)
173.95K to 73.95K
81%
19-Dec-17 6:16 PM
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ION Geophysical Corporation (IO) 15-Dec-17Option Exercise 100,000$3.10$310,000.00209%
47.95K to 147.95K
19-Dec-17 6:16 PM
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ION Geophysical Corporation (IO) 15-Dec-17Market Purchase 26,000$13.63$354,294.0018%
147.95K to 173.95K
(82%)
18-Dec-17 7:44 PM
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ION Geophysical Corporation (IO) 14-Dec-17Market Purchase 18,176$13.05$237,197.0061%
29.77K to 47.95K
(81%)
02-Dec-16 1:40 PM
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ION Geophysical Corporation (IO) 01-Dec-16Payment of Exercise 122$7.40$902.80(< 1%)
29.89K to 29.77K
67%
03-Mar-16 1:18 PM
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ION Geophysical Corporation (IO) 01-Mar-16Grant 17,500----141%
12.39K to 29.89K
03-Dec-15 11:18 AM
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ION Geophysical Corporation (IO) 01-Dec-15Option Exercise 3,192$0.56$1,787.52(2%)
188.65K to 185.45K
71%
03-Mar-15 4:00 PM
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ION Geophysical Corporation (IO) 01-Mar-15Grant 70,012----58%
119.96K to 189.97K
03-Mar-15 4:00 PM
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ION Geophysical Corporation (IO) 01-Mar-15Payment of Exercise 1,824$2.28$4,158.72(< 1%)
189.97K to 188.15K
93%
03-Dec-14 1:49 PM
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ION Geophysical Corporation (IO) 01-Dec-14Payment of Exercise 4,560$2.47$11,263.20(4%)
124.02K to 119.46K
93%
04-Mar-14 11:59 AM
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ION Geophysical Corporation (IO) 01-Mar-14Grant 20,000----19%
103.52K to 123.52K
03-Dec-13 3:04 PM
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ION Geophysical Corporation (IO) 01-Dec-13Grant 20,000----23%
86.67K to 106.67K
03-Dec-13 3:04 PM
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ION Geophysical Corporation (IO) 01-Dec-13Payment of Exercise 3,648$3.86$14,081.30(3%)
106.67K to 103.02K
96%
04-Dec-12 3:06 PM
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ION Geophysical Corporation (IO) 01-Dec-12Grant 15,000----20%
73.4K to 88.4K
04-Dec-12 3:06 PM
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ION Geophysical Corporation (IO) 01-Dec-12Payment of Exercise 2,734$5.96$16,294.60(3%)
88.4K to 85.67K
97%
05-Dec-11 2:58 PM
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ION Geophysical Corporation (IO) 01-Dec-11Grant 15,000----25%
59.18K to 74.18K
05-Dec-11 2:58 PM
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ION Geophysical Corporation (IO) 01-Dec-11Payment of Exercise 1,764$5.81$10,248.80(2%)
74.18K to 72.41K
97%