Company · CIK 0001157601 · SIC 2834 — Pharmaceutical Preparations · Nasdaq
MADRIGAL PHARMACEUTICALS, INC. · MDGL
Insider activity reported against this company. All insider holders · On EDGAR ↗
Reported at this company — common stock
| Trade | Reported (ET) | Insider | Shares | Avg price | Total | Owned after | Δ stake | Flags |
|---|---|---|---|---|---|---|---|---|
| Sep 9, 2026 SForm 4 → | Sep 11, 4:57 pm EDT | William John SiboldPresident and CEO, Director | 11,583 | $538.65 | $6,239,198 | 197,746 | −5.53% | 10b5-1 |
| Aug 17, 2026 SForm 4 → | Aug 20, 4:20 pm EDT | Shannon T KelleyGeneral Counsel | 664 | $514.97 | $341,940 | 11,474 | −5.47% | late |
| Aug 15, 2026 AForm 4 → | Aug 18, 5:10 pm EDT | John C ReedDirector | 647 | — | — | 647 | — | |
| Jul 20, 2026 SForm 4 → | Jul 20, 9:16 pm EDT | William John SiboldPresident and CEO, Director | 2,500 | $547.30 | $1,368,253 | 209,329 | −1.18% | |
| Jul 17, 2026 MForm 4 → | Jul 20, 9:16 pm EDT | William John SiboldPresident and CEO, Director | 50,000 | — | — | 211,829 | — |
Reported at this company — derivatives (options, RSUs, warrants)
| Trade | Reported (ET) | Insider | Shares | Avg price | Total | Owned after | Δ stake | Flags |
|---|---|---|---|---|---|---|---|---|
| Aug 15, 2026 AForm 4 → | Aug 18, 5:10 pm EDT | John C ReedDirector | 1,078 | — | — | 1,078 | — | |
| Jul 17, 2026 MForm 4 → | Jul 20, 9:16 pm EDT | William John SiboldPresident and CEO, Director | 50,000 | — | — | 0 | — |