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 BROWN TOM INC /DE 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
6 sellsbar = usd volume, √ scaleclick a period to filter the table
| Insider | Type | Value · USD | Signals | Details | |
|---|---|---|---|---|---|
| CHICAGO CARBON CO | Sell | $126.8M | SEC | ||
| MIDWEST NATURAL GAS PIPELINE CO |
| Sell |
| $126.8M |
| SEC |
| UNION OIL CO OF CALIFORNIA | Sell | $126.8M | SEC |
| MIDWEST 76 INC | Sell | $126.8M | SEC |
| LEMONT CARBON INC | Sell | $126.8M | SEC |
| UNOCAL CORP | Sell | $126.8M | SEC |