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
gwyfnydazr1m44z
5 Mar 19
ION GEOPHYSICAL / Ken Williamson ownership change
4:24pm
4
hzvbucxvrw swb3w0
4 Dec 18
ION GEOPHYSICAL / Ken Williamson ownership change
7:32pm
4
vt61wkgsuv5voonh3v3j
1 Jun 18
ION GEOPHYSICAL / Ken Williamson ownership change
4:45pm
4
3fcmf93c9o7
2 Mar 18
ION GEOPHYSICAL / Ken Williamson ownership change
12:00am
4
jp9m2j 2sf6h
19 Dec 17
ION GEOPHYSICAL / Ken Williamson ownership change
12:00am
4
qky9oyeldcu
18 Dec 17
ION GEOPHYSICAL / Ken Williamson ownership change
12:00am
4
nvw084 502vwv5c
2 Dec 16
ION GEOPHYSICAL / Ken Williamson ownership change
12:00am
4
f8dng32h h25fxbk6vtj
3 Mar 16
ION GEOPHYSICAL / Ken Williamson ownership change
12:00am
4
aebr05
3 Dec 15
ION GEOPHYSICAL / Ken Williamson ownership change
12:00am
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