02/14/2020
4:05 PM | Footprints Asset Management & Research (Filed by)
Ion Geophysical (Subject)
| Form SC 13G
| |
02/12/2020
6:02 AM | Ion Geophysical (Issuer)
LAPEYRE JAMES M JR (Reporting)
| Form 4
Statement of changes in beneficial ownership of securities | |
02/06/2020
2:25 PM | Ion Geophysical (Filer)
| Form 10-K
Annual report pursuant to Section 13 or 15(d) | |
01/27/2020
4:23 PM | Ion Geophysical (Filer)
| Form 8-K
Current report pursuant to Section 13 or 15(d) | |
01/10/2020
3:34 PM | Ion Geophysical (Issuer)
LAMBERT DALE J (Reporting)
| Form 3
Initial statement of beneficial ownership of securities | |
12/23/2019
11:15 PM | Ion Geophysical (Filer)
| Form EFFECT
| |
12/19/2019
4:39 PM | Ion Geophysical (Filer)
| Form S-3/A
| |
11/08/2019
3:04 PM | Ion Geophysical (Filer)
| Form 8-K
Current report pursuant to Section 13 or 15(d) | |
10/31/2019
3:07 PM | Ion Geophysical (Filer)
| Form 10-Q
General form for quarterly reports under Section 13 or 15(d) | |
10/31/2019
8:03 AM | Ion Geophysical (Filer)
| Form 8-K
Current report pursuant to Section 13 or 15(d) | |
09/04/2019
8:14 PM | Ion Geophysical (Issuer)
Wininger Tina L (Reporting)
| Form 4
Statement of changes in beneficial ownership of securities | |
09/04/2019
8:12 PM | Ion Geophysical (Issuer)
MCGOVERN MICHAEL Y (Reporting)
| Form 4
Statement of changes in beneficial ownership of securities | |
09/04/2019
4:24 PM | Ion Geophysical (Filer)
| Form 8-K
Current report pursuant to Section 13 or 15(d) | |
09/04/2019
4:15 PM | Ion Geophysical (Issuer)
Usher Christopher Theron (Reporting)
| Form 4
Statement of changes in beneficial ownership of securities | |
09/03/2019
8:17 AM | Ion Geophysical (Filer)
| Form 8-K
Current report pursuant to Section 13 or 15(d) | |
08/01/2019
3:03 PM | Ion Geophysical (Filer)
| Form 10-Q
General form for quarterly reports under Section 13 or 15(d) | |
08/01/2019
8:01 AM | Ion Geophysical (Filer)
| Form 8-K
Current report pursuant to Section 13 or 15(d) | |
06/19/2019
4:24 PM | Ion Geophysical (Issuer)
MCGOVERN MICHAEL Y (Reporting)
| Form 3
Initial statement of beneficial ownership of securities | |
06/17/2019
3:59 PM | Ion Geophysical (Filer)
| Form 8-K
Current report pursuant to Section 13 or 15(d) | |
06/14/2019
3:25 PM | Ion Geophysical (Issuer)
Wininger Tina L (Reporting)
| Form 3
Initial statement of beneficial ownership of securities | |
06/10/2019
3:56 PM | Ion Geophysical (Filer)
| Form 8-K
Current report pursuant to Section 13 or 15(d) | |
06/04/2019
4:23 PM | Ion Geophysical (Filer)
| Form 8-K
Current report pursuant to Section 13 or 15(d) | |
06/04/2019
3:40 PM | Hanson R Brian (Reporting)
Ion Geophysical (Issuer)
| Form 4
Statement of changes in beneficial ownership of securities | |
06/03/2019
4:05 PM | Ion Geophysical (Issuer)
LAPEYRE JAMES M JR (Reporting)
| Form 4
Statement of changes in beneficial ownership of securities | |
05/31/2019
3:44 PM | Ion Geophysical (Filer)
| Form SD
Specialized Disclosure Report | |
05/16/2019
3:30 PM | Ion Geophysical (Filer)
| Form 8-K
Current report pursuant to Section 13 or 15(d) | |
05/03/2019
3:30 PM | Ion Geophysical (Filer)
| Form DEFA14A
| |
05/02/2019
3:04 PM | Ion Geophysical (Filer)
| Form 10-Q
General form for quarterly reports under Section 13 or 15(d) | |
05/02/2019
8:02 AM | Ion Geophysical (Filer)
| Form 8-K
Current report pursuant to Section 13 or 15(d) | |
04/11/2019
3:19 PM | Ion Geophysical (Filer)
| Form DEF 14A
| |
03/05/2019
3:25 PM | Ion Geophysical (Issuer)
ZHENG HUASHENG (Reporting)
| Form 4
Statement of changes in beneficial ownership of securities | |
03/05/2019
3:24 PM | Ion Geophysical (Issuer)
Williamson Ken (Reporting)
| Form 4
Statement of changes in beneficial ownership of securities | |
03/05/2019
3:24 PM | Ion Geophysical (Issuer)
Usher Christopher Theron (Reporting)
| Form 4
Statement of changes in beneficial ownership of securities | |
03/05/2019
3:19 PM | Hanson R Brian (Reporting)
Ion Geophysical (Issuer)
| Form 4
Statement of changes in beneficial ownership of securities | |
03/05/2019
3:17 PM | BATE STEVEN (Reporting)
Ion Geophysical (Issuer)
| Form 4
Statement of changes in beneficial ownership of securities | |
03/05/2019
3:17 PM | BARR DAVID H (Reporting)
Ion Geophysical (Issuer)
| Form 4
Statement of changes in beneficial ownership of securities | |
02/14/2019
11:04 AM | Gates Capital Management, Inc. (Filed by)
Ion Geophysical (Subject)
| Form SC 13G
| |
02/14/2019
10:40 AM | Footprints Asset Management & Research (Filed by)
Ion Geophysical (Subject)
| Form SC 13G
| |
02/12/2019
3:18 PM | Ion Geophysical (Subject)
RENAISSANCE TECHNOLOGIES LLC (Filed by)
| Form SC 13G
| |
02/08/2019
4:22 PM | Ion Geophysical (Filer)
| Form 8-K
Current report pursuant to Section 13 or 15(d) | |
02/08/2019
3:44 PM | Ion Geophysical (Filer)
| Form 8-K
Current report pursuant to Section 13 or 15(d) | |
02/07/2019
3:54 PM | Ion Geophysical (Filer)
| Form 10-K
Annual report pursuant to Section 13 or 15(d) | |
02/07/2019
8:03 AM | Ion Geophysical (Filer)
| Form 8-K
Current report pursuant to Section 13 or 15(d) | |
01/31/2019
1:58 PM | Invesco Ltd. (Filed by)
Ion Geophysical (Subject)
| Form SC 13G/A
| |
01/31/2019
9:36 AM | Bagaria Rajay (Filed by)
Ion Geophysical (Subject)
| Form SC 13G/A
| |
01/31/2019
9:31 AM | Ion Geophysical (Subject)
Wasserstein Debt Opportunities Management, L.P. (Filed by)
| Form SC 13G/A
| |
01/18/2019
4:26 PM | Ion Geophysical (Filer)
| Form S-8
Registration statement under Securities Act of 1933 to be offered to employees pursuant to certain plans | |
01/15/2019
9:49 AM | Empery Asset Management, LP (Filed by)
Ion Geophysical (Subject)
| Form SC 13G/A
| |
01/11/2019
4:08 PM | Ion Geophysical (Filer)
| Form 8-K
Current report pursuant to Section 13 or 15(d) | |
12/06/2018
7:48 PM | Ion Geophysical (Issuer)
LAPEYRE JAMES M JR (Reporting)
| Form 4
Statement of changes in beneficial ownership of securities | |
12/06/2018
3:16 PM | Ion Geophysical (Filer)
| Form 8-K
Current report pursuant to Section 13 or 15(d) | |
12/04/2018
6:32 PM | Ion Geophysical (Issuer)
Williamson Ken (Reporting)
| Form 4
Statement of changes in beneficial ownership of securities | |
12/04/2018
6:31 PM | Ion Geophysical (Issuer)
Usher Christopher Theron (Reporting)
| Form 4
Statement of changes in beneficial ownership of securities | |
12/04/2018
6:30 PM | Ion Geophysical (Issuer)
SCHWAUSCH SCOTT (Reporting)
| Form 4
Statement of changes in beneficial ownership of securities | |
12/04/2018
6:30 PM | Ion Geophysical (Issuer)
POWERS MATTHEW R (Reporting)
| Form 4
Statement of changes in beneficial ownership of securities | |
12/04/2018
6:29 PM | Hanson R Brian (Reporting)
Ion Geophysical (Issuer)
| Form 4
Statement of changes in beneficial ownership of securities | |
12/04/2018
6:28 PM | BATE STEVEN (Reporting)
Ion Geophysical (Issuer)
| Form 4
Statement of changes in beneficial ownership of securities | |
11/23/2018
6:20 AM | Ion Geophysical (Filer)
| Form DEFA14A
| |
11/08/2018
6:42 PM | Ion Geophysical (Filer)
| Form DEFA14A
| |
11/07/2018
4:19 PM | Ion Geophysical (Issuer)
LAPEYRE JAMES M JR (Reporting)
| Form 4
Statement of changes in beneficial ownership of securities | |
11/02/2018
2:57 PM | Ion Geophysical (Filer)
| Form 10-Q
General form for quarterly reports under Section 13 or 15(d) | |
11/01/2018
3:34 PM | Ion Geophysical (Filer)
| Form DEF 14A
| |
11/01/2018
3:15 PM | Ion Geophysical (Filer)
| Form DEFA14A
| |
11/01/2018
8:01 AM | Ion Geophysical (Filer)
| Form 8-K
Current report pursuant to Section 13 or 15(d) | |
10/26/2018
4:27 PM | Ion Geophysical (Subject)
Wasserstein Debt Opportunities Management, L.P. (Filed by)
| Form SC 13G
| |
08/21/2018
3:30 PM | Ion Geophysical (Filer)
| Form 8-K
Current report pursuant to Section 13 or 15(d) | |
08/20/2018
2:53 PM | Bagaria Rajay (Filed by)
Ion Geophysical (Subject)
| Form SC 13G
| |
08/15/2018
6:32 PM | Ion Geophysical (Issuer)
LAPEYRE JAMES M JR (Reporting)
| Form 4
Statement of changes in beneficial ownership of securities | |
08/02/2018
3:13 PM | Ion Geophysical (Filer)
| Form 10-Q
General form for quarterly reports under Section 13 or 15(d) | |
08/02/2018
8:00 AM | Ion Geophysical (Filer)
| Form 8-K
Current report pursuant to Section 13 or 15(d) | |
06/26/2018
6:58 PM | Hanson R Brian (Reporting)
Ion Geophysical (Issuer)
| Form 4
Statement of changes in beneficial ownership of securities | |
06/22/2018
10:25 AM | Ion Geophysical (Filer)
| Form 8-K
Current report pursuant to Section 13 or 15(d) | |
06/20/2018
3:41 PM | Hanson R Brian (Reporting)
Ion Geophysical (Issuer)
| Form 4
Statement of changes in beneficial ownership of securities | |
06/05/2018
3:27 PM | Ion Geophysical (Issuer)
MYERS FRANKLIN (Reporting)
| Form 4
Statement of changes in beneficial ownership of securities | |
06/05/2018
3:26 PM | Ion Geophysical (Issuer)
ZHENG HUASHENG (Reporting)
| Form 4
Statement of changes in beneficial ownership of securities | |
06/01/2018
3:45 PM | Ion Geophysical (Issuer)
Williamson Ken (Reporting)
| Form 4
Statement of changes in beneficial ownership of securities | |
06/01/2018
3:44 PM | Ion Geophysical (Issuer)
Usher Christopher Theron (Reporting)
| Form 4
Statement of changes in beneficial ownership of securities | |
06/01/2018
3:43 PM | Ion Geophysical (Issuer)
SCHWAUSCH SCOTT (Reporting)
| Form 4
Statement of changes in beneficial ownership of securities | |
06/01/2018
3:42 PM | Ion Geophysical (Issuer)
POWERS MATTHEW R (Reporting)
| Form 4
Statement of changes in beneficial ownership of securities | |
06/01/2018
3:41 PM | HULME COLIN (Reporting)
Ion Geophysical (Issuer)
| Form 4
Statement of changes in beneficial ownership of securities | |
06/01/2018
3:40 PM | Hanson R Brian (Reporting)
Ion Geophysical (Issuer)
| Form 4
Statement of changes in beneficial ownership of securities | |
06/01/2018
3:36 PM | BATE STEVEN (Reporting)
Ion Geophysical (Issuer)
| Form 4
Statement of changes in beneficial ownership of securities | |
05/16/2018
4:18 PM | Ion Geophysical (Filer)
| Form 8-K
Current report pursuant to Section 13 or 15(d) | |
05/03/2018
3:02 PM | Ion Geophysical (Filer)
| Form 10-Q
General form for quarterly reports under Section 13 or 15(d) | |
05/03/2018
8:00 AM | Ion Geophysical (Filer)
| Form 8-K
Current report pursuant to Section 13 or 15(d) | |
04/20/2018
3:21 PM | Ion Geophysical (Issuer)
ZHENG HUASHENG (Reporting)
| Form 3
Initial statement of beneficial ownership of securities | |
04/13/2018
3:32 PM | Ion Geophysical (Filer)
| Form 8-K
Current report pursuant to Section 13 or 15(d) | |
04/13/2018
3:06 PM | Ion Geophysical (Filer)
| Form DEF 14A
| |
03/02/2018
6:07 PM | Ion Geophysical (Issuer)
Williamson Ken (Reporting)
| Form 4
Statement of changes in beneficial ownership of securities | |
03/02/2018
6:07 PM | Ion Geophysical (Issuer)
Usher Christopher Theron (Reporting)
| Form 4
Statement of changes in beneficial ownership of securities | |
03/02/2018
6:06 PM | Ion Geophysical (Issuer)
SEITZ JOHN N (Reporting)
| Form 4
Statement of changes in beneficial ownership of securities | |
03/02/2018
6:05 PM | Ion Geophysical (Issuer)
SCHWAUSCH SCOTT (Reporting)
| Form 4
Statement of changes in beneficial ownership of securities | |
03/02/2018
6:05 PM | Ion Geophysical (Issuer)
POWERS MATTHEW R (Reporting)
| Form 4
Statement of changes in beneficial ownership of securities | |
03/02/2018
6:04 PM | Ion Geophysical (Issuer)
Nelson S James (Reporting)
| Form 4
Statement of changes in beneficial ownership of securities | |
03/02/2018
6:03 PM | Ion Geophysical (Issuer)
MYERS FRANKLIN (Reporting)
| Form 4
Statement of changes in beneficial ownership of securities | |
03/02/2018
6:03 PM | Ion Geophysical (Issuer)
LAPEYRE JAMES M JR (Reporting)
| Form 4
Statement of changes in beneficial ownership of securities | |
03/02/2018
6:02 PM | HULME COLIN (Reporting)
Ion Geophysical (Issuer)
| Form 4
Statement of changes in beneficial ownership of securities | |
03/02/2018
6:02 PM | Hanson R Brian (Reporting)
Ion Geophysical (Issuer)
| Form 4
Statement of changes in beneficial ownership of securities | |
03/02/2018
6:01 PM | BATE STEVEN (Reporting)
Ion Geophysical (Issuer)
| Form 4
Statement of changes in beneficial ownership of securities | |
03/02/2018
6:00 PM | Ion Geophysical (Issuer)
Jennings Michael (Reporting)
| Form 4
Statement of changes in beneficial ownership of securities | |
