Sibold William John
SEC insider (Form 3/4/5 filer). CIK 0001518611. President and CEO at MADRIGAL PHARMACEUTICALS, INC. (MDGL). 47 reported Form 4/5 transactions since Sep 2024; latest on Sep 11, 2026. Located in WEST CONSHOHOCKEN, PA.
Companies Sibold William John has filed insider reports for
- MADRIGAL PHARMACEUTICALS, INC. (MDGL): Director, Officer, President and CEO
Sibold William John
CIK: 0001518611
Transaction Breakdown
High conviction signal
Position reduction
Derivative conversions
Compensation grants
Gifts, tax withholding, conversions, dispositions to the issuer and other codes
Companies & Roles (1)
MADRIGAL PHARMACEUTICALS, INC.
Discretionary Trading P&L
Holdings
Transaction History (47 total)
- Sep 11, 2026MDGL
MADRIGAL PHARMACEUTICALS, INC.
SaleDirect368 shares at avg. $541.64$199K - Sep 11, 2026MDGL
MADRIGAL PHARMACEUTICALS, INC.
SaleDirect761 shares at avg. $544.83$415K - Sep 11, 2026MDGL
MADRIGAL PHARMACEUTICALS, INC.
SaleDirect218 shares at avg. $535.94$117K - Sep 11, 2026MDGL
MADRIGAL PHARMACEUTICALS, INC.
SaleDirect687 shares at avg. $540.59$371K - Sep 11, 2026MDGL
MADRIGAL PHARMACEUTICALS, INC.
SaleDirect1.2K shares at avg. $542.60$652K - Sep 11, 2026MDGL
MADRIGAL PHARMACEUTICALS, INC.
SaleDirect1.5K shares at avg. $544.02$837K - Sep 11, 2026MDGL
MADRIGAL PHARMACEUTICALS, INC.
SaleDirect60 shares at avg. $533.09$32K - Sep 11, 2026MDGL
MADRIGAL PHARMACEUTICALS, INC.
SaleDirect106 shares at avg. $534.06$57K - Sep 11, 2026MDGL
MADRIGAL PHARMACEUTICALS, INC.
SaleDirect160 shares at avg. $537.62$86K - Sep 11, 2026MDGL
MADRIGAL PHARMACEUTICALS, INC.
SaleDirect120 shares at avg. $546.38$66K
| Type | Shares | Price | Ownership | |||
|---|---|---|---|---|---|---|
| Sep 11, 2026 | MDGL MADRIGAL PHARMACEUTICALS, INC. | Sale | 368 | $541.64 | $199,324 | Direct |
| Sep 11, 2026 | MDGL MADRIGAL PHARMACEUTICALS, INC. | Sale | 761 | $544.83 | $414,616 | Direct |
| Sep 11, 2026 | MDGL MADRIGAL PHARMACEUTICALS, INC. | Sale | 218 | $535.94 | $116,836 | Direct |
| Sep 11, 2026 | MDGL MADRIGAL PHARMACEUTICALS, INC. | Sale | 687 | $540.59 | $371,382 | Direct |
| Sep 11, 2026 | MDGL MADRIGAL PHARMACEUTICALS, INC. | Sale | 1,202 | $542.60 | $652,209 | Direct |
| Sep 11, 2026 | MDGL MADRIGAL PHARMACEUTICALS, INC. | Sale | 1,539 | $544.02 | $837,253 | Direct |
| Sep 11, 2026 | MDGL MADRIGAL PHARMACEUTICALS, INC. | Sale | 60 | $533.09 | $31,985 | Direct |
| Sep 11, 2026 | MDGL MADRIGAL PHARMACEUTICALS, INC. | Sale | 106 | $534.06 | $56,611 | Direct |
| Sep 11, 2026 | MDGL MADRIGAL PHARMACEUTICALS, INC. | Sale | 160 | $537.62 | $86,019 | Direct |
| Sep 11, 2026 | MDGL MADRIGAL PHARMACEUTICALS, INC. | Sale | 120 | $546.38 | $65,565 | Direct |
1-10 of 47 transactions