Figures computed from official regulatory filings — .
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Data for MARKWEST HYDROCARBON L.L.C. only. No web search. Global per-insider statistics are excluded.
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SEC company identity · Oct 5, 2026
Open-market timeline · full history
82 buys32 sellsbar = usd volume, √ scaleclick a period to filter the table
| Insider | Type | Value · USD | Signals | Details | |
|---|---|---|---|---|---|
| Fox Mounsey Anne E | Other | n/a (No price was disclosed in the filing) | SEC | ||
| MOLLENKOPF JOHN C |
| Other |
| n/a (No price was disclosed in the filing) |
| SEC |
| FOX JOHN M | Other | n/a (No price was disclosed in the filing) | SEC |
| SEMPLE FRANK M | Other | n/a (No price was disclosed in the filing) | SEC |
| ROGERS KAREN L | Other | n/a (No price was disclosed in the filing) | SEC |
| BEATTY MICHAEL L | Other | n/a (No price was disclosed in the filing) | SEC |
| NICKERSON RANDY S | Other | n/a (No price was disclosed in the filing) | SEC |
| KELLSTROM WILLIAM A | Other | n/a (No price was disclosed in the filing) | SEC |
| SEMPLE FRANK M | Other | n/a (No price was disclosed in the filing) | SEC |
| ROGERS KAREN L | Other | n/a (No price was disclosed in the filing) | SEC |
| Bromley C Corwin | Other | n/a (No price was disclosed in the filing) | SEC |
| BEATTY MICHAEL L | Other | n/a (No price was disclosed in the filing) | SEC |
| SCHROEDER ANDREW L | Other | n/a (No price was disclosed in the filing) | SEC |
| FOX JOHN M | Other | n/a (No price was disclosed in the filing) | SEC |
| Masten Nancytrack record | Other | n/a (No price was disclosed in the filing) | SEC |
| WOLF DONALD Dtrack record | Other | n/a (No price was disclosed in the filing) | SEC |
| KELLSTROM WILLIAM A | Other | n/a (No price was disclosed in the filing) | SEC |
| FOX JOHN M | Other | n/a (No price was disclosed in the filing) | SEC |
| MOLLENKOPF JOHN C | Other | n/a (No price was disclosed in the filing) | SEC |
| SCHROEDER ANDREW L | Other | n/a (No price was disclosed in the filing) | SEC |
| WOLF DONALD Dtrack record | Other | n/a (No price was disclosed in the filing) | SEC |
| FOX JOHN M | Other | n/a (No price was disclosed in the filing) | SEC |
| SEMPLE FRANK M | Other | n/a (No price was disclosed in the filing) | SEC |
| Fox Mounsey Anne E | Other | n/a (No price was disclosed in the filing) | SEC |
| Fox Mounsey Anne E | Other | n/a (No price was disclosed in the filing) | SEC |