William John Sibold Madrigal Pharmaceuticals, Inc. (MDGL) insider trading activity

William John Sibold is President and CEO of MADRIGAL PHARMACEUTICALS, INC.. Currently has a direct ownership of 102,474 shares of MDGL, which is worth approximately $43.6 Million. The most recent transaction as insider was on Sep 09, 2025, when has been sold 7,279 shares (Common Stock) at a price of $445.63 per share, resulting in proceeds of $3,243,740. This information was disclosed in a Form 4 filing with the Securities and Exchange Commission (SEC).

Shares Held (Direct Ownership) 102K

12.69% 3M change

83.36% 12M change

Total Value Held $43.6 Million

William John Sibold Transaction History

Date	Transaction	Value	Shares Traded	Shares Held
Sep 09 2025	SELL Open market or private sale	$3,243,740 $445.63 p/Share	7,279 Reduced 6.63%	102,474 Common Stock
Aug 21 2025	SELL Open market or private sale	$3,050,284 $400.51 p/Share	7,616 Reduced 6.49%	109,753 Common Stock
Mar 05 2025	BUY Grant, award, or other acquisition	-	13,066 Added 10.02%	117,369 Common Stock
Feb 27 2025	BUY Exercise of conversion of derivative security	-	50,000 Added 32.4%	104,303 Common Stock
Jan 24 2025	SELL Open market or private sale	$531,020 $335.24 p/Share	1,584 Reduced 2.83%	54,303 Common Stock
Sep 09 2024	SELL Open market or private sale	$1,551,490 $243.83 p/Share	6,363 Reduced 10.22%	55,887 Common Stock
Jan 23 2024	BUY Grant, award, or other acquisition	-	12,250 Added 16.44%	62,250 Common Stock
Sep 11 2023	BUY Grant, award, or other acquisition	-	50,000 Added 50.0%	50,000 Common Stock

WJS

William John Sibold

President and CEO

West Conshohocken, PA

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