Form4insider filings, from the source

Company · CIK 0001157601 · SIC 2834 — Pharmaceutical Preparations · Nasdaq

MADRIGAL PHARMACEUTICALS, INC. · MDGL

Insider activity reported against this company. All insider holders · On EDGAR ↗

1M3M6M1Y2YAll datashares as filed — not split-adjusted
Open-market buys & salesbuys $0 · 0sales $7.9M · 3net −$7.9M
$10k$10k$100k$100k$1M$1M$10M$10MbuyssalesSep 2025Nov 2025Jan 2026Mar 2026May 2026Jul 2026Sep 2026

Reported at this company — common stock

TradeReported (ET)InsiderSharesAvg priceTotalOwned afterΔ stakeFlags
Sep 9, 2026 SForm 4 →Sep 11, 4:57 pm EDTWilliam John SiboldPresident and CEO, Director11,583$538.65$6,239,198197,746−5.53%10b5-1
Aug 17, 2026 SForm 4 →Aug 20, 4:20 pm EDTShannon T KelleyGeneral Counsel664$514.97$341,94011,474−5.47% late
Aug 15, 2026 AForm 4 →Aug 18, 5:10 pm EDTJohn C ReedDirector647——647—
Jul 20, 2026 SForm 4 →Jul 20, 9:16 pm EDTWilliam John SiboldPresident and CEO, Director2,500$547.30$1,368,253209,329−1.18%
Jul 17, 2026 MForm 4 →Jul 20, 9:16 pm EDTWilliam John SiboldPresident and CEO, Director50,000——211,829—
Jun 17, 2026 AForm 4 →Jun 18, 4:23 pm EDTRebecca TaubDirector454——452,667—
Jun 17, 2026 AForm 4 →Jun 18, 4:21 pm EDTRichard S LevyDirector454——22,469—
Jun 17, 2026 AForm 4 →Jun 18, 4:19 pm EDTJacqualyn A FouseDirector454——1,551—
Jun 17, 2026 AForm 4 →Jun 18, 4:16 pm EDTJames M DalyDirector454——3,081—
Jun 17, 2026 AForm 4 →Jun 18, 4:12 pm EDTDaniel J. BrennanDirector404——1,371—
Jun 17, 2026 AForm 4 →Jun 18, 4:03 pm EDTBAKER BROS. ADVISORS LP +5Director1,816——1,948,876—

Reported at this company — derivatives (options, RSUs, warrants)

TradeReported (ET)InsiderSharesAvg priceTotalOwned afterΔ stakeFlags
Aug 15, 2026 AForm 4 →Aug 18, 5:10 pm EDTJohn C ReedDirector1,078——1,078—
Jul 17, 2026 MForm 4 →Jul 20, 9:16 pm EDTWilliam John SiboldPresident and CEO, Director50,000——0—
Jun 17, 2026 AForm 4 →Jun 18, 4:23 pm EDTRebecca TaubDirector766——766—
Jun 17, 2026 AForm 4 →Jun 18, 4:21 pm EDTRichard S LevyDirector766——766—
Jun 17, 2026 AForm 4 →Jun 18, 4:19 pm EDTJacqualyn A FouseDirector766——766—
Jun 17, 2026 AForm 4 →Jun 18, 4:16 pm EDTJames M DalyDirector766——766—
Jun 17, 2026 AForm 4 →Jun 18, 4:12 pm EDTDaniel J. BrennanDirector681——681—
Jun 17, 2026 AForm 4 →Jun 18, 4:03 pm EDTBAKER BROS. ADVISORS LP +5Director3,064——1,532—