21 filings
4
Christopher Theron Usher
13 May 22
ION GEOPHYSICAL / Christopher Theron Usher ownership change
4:31pm
4
Christopher Theron Usher
3 Dec 21
ION GEOPHYSICAL / Christopher Theron Usher ownership change
6:05pm
4
Christopher Theron Usher
3 Sep 21
ION GEOPHYSICAL / Christopher Theron Usher ownership change
5:37pm
4
Christopher Theron Usher
13 May 21
ION GEOPHYSICAL / Christopher Theron Usher ownership change
4:41pm
4
Christopher Theron Usher
21 Apr 21
ION GEOPHYSICAL / Christopher Theron Usher ownership change
9:26pm
4
x8l w6feei8bymvs
3 Sep 20
ION GEOPHYSICAL / Christopher Theron Usher ownership change
4:31pm
4
7l621axfwlk2t4s0q922
20 Feb 20
ION GEOPHYSICAL / Christopher Theron Usher ownership change
4:18pm
4
51anl
4 Sep 19
ION GEOPHYSICAL / Christopher Theron Usher ownership change
5:15pm
4
8uwum85wpgoed
5 Mar 19
ION GEOPHYSICAL / Christopher Theron Usher ownership change
4:24pm
4
vnungufa 78v0k9n6s
4 Dec 18
ION GEOPHYSICAL / Christopher Theron Usher ownership change
7:31pm
4
b4vzj
1 Jun 18
ION GEOPHYSICAL / Christopher Theron Usher ownership change
4:44pm
4
r41xpd
2 Mar 18
ION GEOPHYSICAL / Christopher Theron Usher ownership change
12:00am
4
9k7hhw5q qll
19 Dec 17
ION GEOPHYSICAL / Christopher Theron Usher ownership change
12:00am
4
wrch9fu2rxawp xlf4
18 Dec 17
ION GEOPHYSICAL / Christopher Theron Usher ownership change
12:00am
4
w91 bsyrpw
2 Jun 17
ION GEOPHYSICAL / Christopher Theron Usher ownership change
12:00am
4
3dm301
3 Mar 17
ION GEOPHYSICAL / Christopher Theron Usher ownership change
12:00am
4
asyz8w
2 Dec 16
ION GEOPHYSICAL / Christopher Theron Usher ownership change
12:00am
4
emw58
2 Jun 16
ION GEOPHYSICAL / Christopher Theron Usher ownership change
12:00am
4
mr4x80
17 Mar 16
ION GEOPHYSICAL / Christopher Theron Usher ownership change
12:00am
4
0vdx9tggk4 fu2k
3 Mar 16
ION GEOPHYSICAL / Christopher Theron Usher ownership change
12:00am