Sibold William John
President and CEO · 8 insider transactions on file
All transactions
| Date | Ticker | Company | Type | Shares | Price | Value | Filing |
|---|---|---|---|---|---|---|---|
| 2026-03-06 | MDGL | MADRIGAL PHARMACEUTICALS, INC. | Sale | 1,663 | $431.94 | $718,316.22 | filing |
| 2026-03-04 | MDGL | MADRIGAL PHARMACEUTICALS, INC. | Award | 14,995 | $0.00 | $0.00 | filing |
| 2026-01-26 | MDGL | MADRIGAL PHARMACEUTICALS, INC. | Sale | 1,577 | $492.42 | $776,546.34 | filing |
| 2025-12-04 | MDGL | MADRIGAL PHARMACEUTICALS, INC. | Sale | 2,400 | $575.34 | $1.4M | filing |
| 2025-12-03 | MDGL | MADRIGAL PHARMACEUTICALS, INC. | Option exercise | 50,000 | — | — | filing |
| 2025-09-09 | MDGL | MADRIGAL PHARMACEUTICALS, INC. | Sale | 7,279 | $445.63 | $3.2M | filing |
| 2025-08-21 | MDGL | MADRIGAL PHARMACEUTICALS, INC. | Sale | 6,485 | $400.03 | $2.6M | filing |
| 2025-08-21 | MDGL | MADRIGAL PHARMACEUTICALS, INC. | Sale | 1,131 | $401.00 | $453,531.34 | filing |
Insider transactions from SEC Form 4 filings via EDGAR. Names appear as filed and aren't normalized across issuers.