14 filings
4
Ken Williamson
13 May 22
ION GEOPHYSICAL / Ken Williamson ownership change
4:33pm
4
Ken Williamson
3 Dec 21
ION GEOPHYSICAL / Ken Williamson ownership change
6:07pm
4
IOGPQ
Ion Geophysical Corp
13 May 21
ION GEOPHYSICAL / Ken Williamson ownership change
4:42pm
4
Ken Williamson
21 Apr 21
ION GEOPHYSICAL / Ken Williamson ownership change
9:32pm
4
Ken Williamson
5 Jan 21
ION GEOPHYSICAL / Ken Williamson ownership change
4:21pm
4
smml1gi 6f0t
5 Mar 19
ION GEOPHYSICAL / Ken Williamson ownership change
4:24pm
4
oxyxhw
4 Dec 18
ION GEOPHYSICAL / Ken Williamson ownership change
7:32pm
4
rejsh0 gu2d
1 Jun 18
ION GEOPHYSICAL / Ken Williamson ownership change
4:45pm
4
d8herefh7dmi
2 Mar 18
ION GEOPHYSICAL / Ken Williamson ownership change
12:00am
4
04dobbyu5jc2q
19 Dec 17
ION GEOPHYSICAL / Ken Williamson ownership change
12:00am
4
5n1r89y 0ppnuw
18 Dec 17
ION GEOPHYSICAL / Ken Williamson ownership change
12:00am
4
d5k27lqol nx
2 Dec 16
ION GEOPHYSICAL / Ken Williamson ownership change
12:00am
4
sicfre
3 Mar 16
ION GEOPHYSICAL / Ken Williamson ownership change
12:00am
4
ratmiat 9m
3 Dec 15
ION GEOPHYSICAL / Ken Williamson ownership change
12:00am
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