Figures computed from official regulatory filings — .
Ask the machine
Search and compare insider transactions, companies and their statistics in plain language. Your question becomes a query over available data, not a conversation or investment advice.
Data for ION GEOPHYSICAL CORP only. No web search. Global per-insider statistics are excluded.
An executed search uses one credit, even with no results. Errors and unsupported questions use no credits.
Business description unavailable in our sources.
Periods recorded in the consulted sources. These do not certify the legal dates of name changes.
SEC company identity · Oct 5, 2026
Open-market timeline · full history
316 buys115 sellsbar = usd volume, √ scaleclick a period to filter the table
| Insider | Type | Value · USD | Signals | Details | |
|---|---|---|---|---|---|
| SCHWAUSCH SCOTT | Other | $79.1 | SEC | ||
| Rodermund Sheila M |
| Other |
| $1.4K |
| SEC |
| LAMBERT DALE J | Other | $1.6K | SEC |
| Rodermund Sheila M | Other | n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise)) | SEC |
| SCHWAUSCH SCOTT | Other | $731.5 | SEC |
| Rodermund Sheila M | Other | $2.5K | SEC |
| POWERS MATTHEW R | Other | $1.8K | SEC |
| LAMBERT DALE J | Other | $2.2K | Unusual size | SEC |
| MORRISON MICHAEL L | Other | $2.4K | SEC |
| Usher Christopher Theron | Other | $4.9K | SEC |
| Williamson Ken | Other | $2.5K | SEC |
| MORRISON MICHAEL L | Other | $3.6K | SEC |
| NELSON S JAMEStrack record | Award | n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise)) | SEC |
| Zhang ShaoHua | Award | n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise)) | SEC |
| PITTMAN GARY L | Award | n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise)) | SEC |
| DORAN MARK J | Award | n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise)) | SEC |
| MCGOVERN MICHAEL Y | Award | n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise)) | SEC |
| SEITZ JOHN Ntrack record | Award | n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise)) | SEC |
| LAPEYRE JAMES M JR | Award | n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise)) | SEC |
| Zhang ShaoHua | Other | $435 | SEC |
| Williamson Ken | Other | $19.4K | SEC |
| Usher Christopher Theron | Other | $15K | SEC |
| SCHWAUSCH SCOTT | Other | $1.4K | SEC |
| LAMBERT DALE J | Other | $10.4K | SEC |
| POWERS MATTHEW R | Other | $6.3K | SEC |