Ion Geophysical Corp
IODelisted Jun 3, 2022- Industry
- Oil & Gas Field Exploration Services
- SEC CIK
- 0000866609
Ion Geophysical Corp was delisted on Jun 3, 2022; its insiders filed their last Form 4 on Jul 29, 2022; 30 institutions reported holding it in 13F filings for Q1 2022, worth $4.53M in total; no superinvestor held it.
Holders of 5% or more of IO
Holders whose latest Schedule 13D or 13G filing reports 5% or more of Ion Geophysical Corp, largest stake first. The change is against the holder's previous filing.
No holder currently reports owning 5% or more of Ion Geophysical Corp on Schedule 13D or 13G.
Stakes are as of each holder's latest filing. Holders whose last filing was in the old format (before December 18, 2024) have no stake on record and are not listed, and after an acquisition or delisting holders usually stop filing.
13D and 13G filings
12 Schedule 13D and 13G filings on Ion Geophysical Corp, newest first, including old-format filings without a stake.
| Filed (ET) | Filer | Form | Stake | Change | Event date | Filing |
|---|---|---|---|---|---|---|
| May 5, 2022 | Gates Capital Management, Inc. | 13D/AOld format | – | – | – | SEC |
| Feb 14, 2022 | Footprints Asset Management & Research | 13GOld format | – | New | – | SEC |
| Feb 10, 2022 | Renaissance Technologies LLC | 13G/AOld format | – | – | – | SEC |
| Jan 13, 2022 | Empery Asset Management, LP | 13G/AOld format | – | – | – | SEC |
| Jan 4, 2022 | Sabby Management, LLC | 13G/AOld format | – | – | – | SEC |
| Sep 23, 2021 | Gates Capital Management, Inc. | 13D/AOld format | – | – | – | SEC |
| Sep 20, 2021 | Gates Capital Management, Inc. | 13D/AOld format | – | – | – | SEC |
| Jun 16, 2021 | Lapeyre James M Jr | 13D/AOld format | – | – | – | SEC |
| Apr 30, 2021 | Gates Capital Management, Inc. | 13DOld format | – | New | – | SEC |
| Feb 19, 2021 | Sabby Management, LLC | 13GOld format | – | New | – | SEC |
| Feb 19, 2021 | Empery Asset Management, LP | 13GOld format | – | New | – | SEC |
| Feb 11, 2021 | Renaissance Technologies LLC | 13G/AOld format | – | – | – | SEC |
Form 144: proposed insider sales
Notices from officers, directors and other affiliates planning to sell Ion Geophysical Corp shares.
No Form 144 notices for Ion Geophysical Corp are on file.