Sibold William John Insider Trades

Insider Trading History

Track insider trading activity for Sibold William John. See latest buy and sell transactions across all companies.

Holdings

Company
Holding Value
Last Transaction
Sale/Purchase
Amount
Price
Current Price

Insider Trades History

Company
Holding Value
Last Transaction
Sale/Purchase
Amount
Price
Current Price
Madrigal Pharmaceuticals
Madrigal Pharmaceuticals MDGL
President And CEO
Holding Value $79.8M 161,829 shares
Last Trade
Mar 06, 2026 Sale (Open Market)Shares sold on the open market or in a private sale.
$718k 1,663 shares
$431.94
$492.83
Madrigal Pharmaceuticals
Madrigal Pharmaceuticals MDGL
President And CEO
Holding Value $80.6M 163,492 shares
Last Trade
Mar 04, 2026 Purchase (Award)Shares received as a grant, bonus, or other company award rather than an open-market purchase.
$14.7M 33,738 shares
$434.80
$492.83
Madrigal Pharmaceuticals
Madrigal Pharmaceuticals MDGL
President And CEO
Holding Value $73.2M 148,497 shares
Last Trade
Jan 26, 2026 Sale (Open Market)Shares sold on the open market or in a private sale.
$777k 1,577 shares
$492.42
$492.83
Madrigal Pharmaceuticals
Madrigal Pharmaceuticals MDGL
President And CEO
Holding Value $74M 150,074 shares
Last Trade
Dec 04, 2025 Sale (Open Market)Shares sold on the open market or in a private sale.
$1.38M 2,400 shares
$575.34
$492.83
Madrigal Pharmaceuticals
Madrigal Pharmaceuticals MDGL
President And CEO
Holding Value $75.1M 152,474 shares
Last Trade
Dec 03, 2025 Purchase (Option Exercise)Shares acquired or sold by exercising stock options or converting another derivative security.
$29M 50,000 shares
$579.89
$492.83
Madrigal Pharmaceuticals
Madrigal Pharmaceuticals MDGL
President And CEO
Holding Value $0 0 shares
Last Trade
Dec 03, 2025 Sale (Option Exercise)Shares acquired or sold by exercising stock options or converting another derivative security.
$29M 50,000 shares
$579.89
$492.83
Madrigal Pharmaceuticals
Madrigal Pharmaceuticals MDGL
President And CEO
Holding Value $50.5M 102,474 shares
Last Trade
Sep 09, 2025 Sale (Open Market)Shares sold on the open market or in a private sale.
$3.24M 7,279 shares
$445.63
$492.83
Madrigal Pharmaceuticals
Madrigal Pharmaceuticals MDGL
President And CEO
Holding Value $54.6M 110,884 shares
Last Trade
Aug 21, 2025 Sale (Open Market)Shares sold on the open market or in a private sale.
$3.05M 7,616 shares
$400.17
$492.83
Madrigal Pharmaceuticals
Madrigal Pharmaceuticals MDGL
President And CEO
Holding Value $57.8M 117,369 shares
Last Trade
Mar 05, 2025 Purchase (Award)Shares received as a grant, bonus, or other company award rather than an open-market purchase.
$7.64M 22,009 shares
$347.28
$492.83
Madrigal Pharmaceuticals
Madrigal Pharmaceuticals MDGL
President And CEO
Holding Value $51.4M 104,303 shares
Last Trade
Feb 27, 2025 Purchase (Option Exercise)Shares acquired or sold by exercising stock options or converting another derivative security.
$16.8M 50,000 shares
$335.74
$492.83
Madrigal Pharmaceuticals
Madrigal Pharmaceuticals MDGL
President And CEO
Holding Value $0 0 shares
Last Trade
Feb 27, 2025 Sale (Option Exercise)Shares acquired or sold by exercising stock options or converting another derivative security.
$16.8M 50,000 shares
$335.74
$492.83
Madrigal Pharmaceuticals
Madrigal Pharmaceuticals MDGL
President And CEO
Holding Value $26.8M 54,303 shares
Last Trade
Jan 24, 2025 Sale (Open Market)Shares sold on the open market or in a private sale.
$531k 1,584 shares
$335.24
$492.83
Madrigal Pharmaceuticals
Madrigal Pharmaceuticals MDGL
President And CEO
Holding Value $27.5M 55,887 shares
Last Trade
Sep 09, 2024 Sale (Open Market)Shares sold on the open market or in a private sale.
$1.55M 6,363 shares
$243.83
$492.83
Madrigal Pharmaceuticals
Madrigal Pharmaceuticals MDGL
President And CEO
Holding Value $30.7M 62,250 shares
Last Trade
Jan 23, 2024 Purchase (Award)Shares received as a grant, bonus, or other company award rather than an open-market purchase.
$9.84M 42,959 shares
$229.00
$492.83
Madrigal Pharmaceuticals
Madrigal Pharmaceuticals MDGL
President And CEO
Holding Value $24.6M 50,000 shares
Last Trade
Sep 11, 2023 Purchase (Award)Shares received as a grant, bonus, or other company award rather than an open-market purchase.
$9.25M 50,000 shares
$184.99
$492.83

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