MDGL William John Sibold sold MADRIGAL PHARMACEUTICALS, INC. shares — SEC Form 4SELLMADRIGAL PHARMACEUTICALS, INC.

William John Sibold, President and CEO at MADRIGAL PHARMACEUTICALS, INC. (MDGL), sold 2,400 shares at $575.34 ($1.4M) on 2025-12-04, disclosed to the SEC on 2025-12-04.

SEC EDGAR Filing

0001628280-25-055430

View on SEC EDGAR

Trade context

Open-market sale of $1.4M MDGL by President and CEO. Not flagged as scheduled, tax-driven, or recurring — but no specific bearish signal from our filters. Reasons for insider sales vary widely.

Modest57/100

Nothing distinguishes this filing.

Opportunistic SellExercise & Sell

Trade Context

•Decreased holdings by 2%
•Selling near 52-week high (-2% from peak)
•4 other insiders also sold in last 30 days
•Stock up +111% in previous 6 months
•Large-Cap ($10B-$100B market cap — limited insider alpha)

Filing Info

Filed2025-12-04

Traded2025-12-04

Accession0001628280-25-055430

SourceSEC EDGAR (Historical)

Insider

NameWilliam John Sibold

TitlePresident and CEO

PIT GradeInsiderUnrated

View Company View Insider

Related Trades by This Insider

Ticker	Type	Filed	Value	7d Stock	Filing
MDGL	SELL	2026-09-11	$6.2M	—	Filing →
MDGL	SELL	2026-07-20	$1.4M	—

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MDGL William John Sibold sold MADRIGAL PHARMACEUTICALS, INC. shares — SEC Form 4SELLMADRIGAL PHARMACEUTICALS, INC.

Trade Context

Filing Info

Insider

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Trade Details

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