Sibold William John
SEC CIK 1518611 · EDGAR
BoughtSold
Companies
| Ticker | Company | Title | Holding | Bought | Sold | Trades | First | Last |
|---|---|---|---|---|---|---|---|---|
| MDGL | MADRIGAL PHARMACEUTICALS, INC. | Pres, CEO, Dir | 197.7K | — | $18.86M | 16 | 2023-09-11 | 2026-09-09 |
Most active insiders at MDGL, 12 months
| # | Insider | Title | Bought | Sold |
|---|---|---|---|---|
| 1 | FRIEDMAN PAUL A | Dir | — | $26.66M |
| 2 | Taub Rebecca | Dir | — | $21.68M |
| 3 | Sibold William John | Pres, CEO, Dir | — | $10.48M |
| 4 | BATE KENNETH | Dir | — | $8.03M |
| 5 | Levy Richard S | Dir | — | $7.36M |
| 6 | Dier Mardi | EVP, CFO | — | $3.77M |
| 7 | Huntsman Carole | Chief Commercial Off | — | $1.71M |
| 8 | Soergel David | Chief Medical Off | — | $952.0K |
| 9 | Kelley Shannon T | GC | — | $841.6K |
| 10 | Thakkar Rita | CAO | — | — |
Transactions 16
| X | Filed | Traded | Ticker | Company | Insider | Title | Type | Price | Qty | Owned | ΔOwn | Value |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| MT | 2026-09-11 16:57 | 2026-09-09+ | MDGL | MADRIGAL PHARMACEUTICALS, INC. | Sibold William John | Pres, CEO, Dir | S - Sale | $538.65 | -11.6K | 197.7K | -6% | -$6.24M |
| D | 2026-07-20 21:16 | 2026-07-17 | MDGL | MADRIGAL PHARMACEUTICALS, INC. | Sibold William John | Pres, CEO, Dir | M - OptEx | — | +50.0K | 211.8K | +31% | — |
| DM | 2026-07-20 21:16 | 2026-07-20 | MDGL | MADRIGAL PHARMACEUTICALS, INC. | Sibold William John | Pres, CEO, Dir | S - Sale+OE | $547.30 | -2,500 | 209.3K | -1% | -$1.37M |
| D | 2026-03-06 | 2026-03-04 | MDGL | MADRIGAL PHARMACEUTICALS, INC. | Sibold William John | Pres, CEO, Dir | A - Grant | $0.00 | +15.0K | 163.5K | +10% | $0 |
| D | 2026-03-06 | 2026-03-06 | MDGL | MADRIGAL PHARMACEUTICALS, INC. | Sibold William John | Pres, CEO, Dir | S - Sale | $431.94 | -1,663 | 161.8K | -1% | -$718.3K |
| 2026-01-26 | 2026-01-26 | MDGL | MADRIGAL PHARMACEUTICALS, INC. | Sibold William John | Pres, CEO, Dir | S - Sale | $492.42 | -1,577 | 148.5K | -1% | -$776.5K | |
| D | 2025-12-04 | 2025-12-03 | MDGL | MADRIGAL PHARMACEUTICALS, INC. | Sibold William John | Pres, CEO, Dir | M - OptEx | — | +50.0K | 152.5K | +49% | — |
| D | 2025-12-04 | 2025-12-04 | MDGL | MADRIGAL PHARMACEUTICALS, INC. | Sibold William John | Pres, CEO, Dir | S - Sale+OE | $575.34 | -2,400 | 150.1K | -2% | -$1.38M |
| 2025-09-09 | 2025-09-09 | MDGL | MADRIGAL PHARMACEUTICALS, INC. | Sibold William John | Pres, CEO, Dir | S - Sale | $445.63 | -7,279 | 102.5K | -7% | -$3.24M | |
| M | 2025-08-21 | 2025-08-21 | MDGL | MADRIGAL PHARMACEUTICALS, INC. | Sibold William John | Pres, CEO, Dir | S - Sale | $400.17 | -7,616 | 109.8K | -6% | -$3.05M |
| D | 2025-03-07 | 2025-03-05 | MDGL | MADRIGAL PHARMACEUTICALS, INC. | Sibold William John | Pres, CEO, Dir | A - Grant | $0.00 | +13.1K | 117.4K | +13% | $0 |
| D | 2025-02-28 | 2025-02-27 | MDGL | MADRIGAL PHARMACEUTICALS, INC. | Sibold William John | Pres, CEO, Dir | M - OptEx | — | +50.0K | 104.3K | +92% | — |
| 2025-01-27 | 2025-01-24 | MDGL | MADRIGAL PHARMACEUTICALS, INC. | Sibold William John | Pres, CEO, Dir | S - Sale | $335.24 | -1,584 | 54.3K | -3% | -$531.0K | |
| 2024-09-11 | 2024-09-09 | MDGL | MADRIGAL PHARMACEUTICALS, INC. | Sibold William John | Pres, CEO, Dir | S - Sale | $243.83 | -6,363 | 55.9K | -10% | -$1.55M | |
| D | 2024-01-25 | 2024-01-23 | MDGL | MADRIGAL PHARMACEUTICALS, INC. | Sibold William John | Pres, CEO, Dir | A - Grant | $0.00 | +12.2K | 62.2K | +24% | $0 |
| D | 2023-09-13 | 2023-09-11 | MDGL | MADRIGAL PHARMACEUTICALS, INC. | Sibold William John | Pres, CEO, Dir | A - Grant | $0.00 | +50.0K | 50.0K | New | $0 |
Purchase Sale Sale after option exercise All abbreviations