Holder evidence
15
Top holders, 13D/G large-stake signals, insider positions, and transaction flow tied to CIK 0000866609.
Holder evidence
15
Lead holder
Gates Capital Management, Inc.
13D/G signal
—
Latest evidence
27 Jul 2022
Ownership snapshot
Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.
Rank 1 holder
Rank 2 holder
Rank 3 holder
| Holder | Evidence | Ownership % | Position | 12M Net Δ | As of |
|---|---|---|---|---|---|
| Gates Capital Management, Inc. |
3/4/5
10%+ Owner
|
—
mixed-class rows
|
$6,285,545
6,142,846 shares
mixed-class rows
|
— | 21 Sep 2021 |
| James M. Lapeyre Jr. |
3/4/5
Director
|
—
class O/S missing
|
$1,311,881
1,639,850 shares
|
— | 01 Mar 2022 |
| Christopher Theron Usher |
3/4/5
President & CEO, Director
|
—
class O/S missing
|
$262,698
328,372 shares
|
— | 11 May 2022 |
| Ken Williamson |
3/4/5
EVP, Innov & Strat Mktg
|
—
class O/S missing
|
$147,406
184,258 shares
|
— | 11 May 2022 |
| Michael L. Morrison |
3/4/5
EVP & CFO
|
—
class O/S missing
|
$94,466
118,082 shares
|
— | 11 May 2022 |
| Matthew R. Powers |
3/4/5
EVP, Gen Counsel & Corp Secy
|
—
class O/S missing
|
$77,546
96,932 shares
|
— | 11 May 2022 |
| Dale J. Lambert |
3/4/5
EVP, E&P Technology & Services
|
—
class O/S missing
|
$63,132
78,915 shares
|
— | 08 Jul 2022 |
| Sheila M. Rodermund |
3/4/5
EVP, Operations Optimization
|
—
class O/S missing
|
$38,543
48,179 shares
|
— | 08 Jul 2022 |
Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.
Forms 3/4/5 flow
Insider buy and sell flow is broadly balanced over the last 12 months. No Buy or Sell transactions have been reported since 31 May 2025.
| Window (months) | Buy shares | Sell shares | Buy value | Sell value | Net value |
|---|---|---|---|---|---|
| 0-3 | 0 | 0 | $0 | $0 | $0 |
| 3-6 | 0 | 0 | $0 | $0 | $0 |
| 6-9 | 0 | 0 | $0 | $0 | $0 |
| 9-12 | 0 | 0 | $0 | $0 | $0 |
Reporting owners
Showing 1-16 of 16 reporting-owner rows connected to ION GEOPHYSICAL CORP. Open a relationship link for the CIK-to-CIK filing trail.
Showing up to 300 most recent insider transactions from the last 12 months.
| Insider | Symbol | Class | Transaction | % | Reported value | Reported price | Shares | Shares owned | Date | Ownership |
|---|---|---|---|---|---|---|---|---|---|---|
| No insider transactions were found in the last 12 months for this issuer. | ||||||||||