Sibold William John
CIK: 0001518611•President and CEO
OfficerDirector
Primary company: MADRIGAL PHARMACEUTICALS, INC. (MDGL)
Sibold William John is a corporate insider (President and CEO) at MADRIGAL PHARMACEUTICALS, INC. (MDGL) filing SEC Form 4 transactions. 59 transactions across 2 companies, totaling $0 in purchases and $10,531,370 in sales. Source: SEC EDGAR.
Companies
Transaction History
Source: SEC EDGAR Form 4 insider transaction filings.
Company | Type | Shares | Price | Value | Shares After | Date | SEC |
|---|---|---|---|---|---|---|---|
| Sale | 120 | $546.38 | $66K | 197,746 | 9/11/2026 Filed: 9/9/2026 | Filing → | |
| Sale | 761 | $544.83 | $415K | 197,866 | 9/11/2026 Filed: 9/9/2026 | Filing → | |
| Sale | 1,539 | $544.02 | $837K | 198,627 | 9/11/2026 Filed: 9/9/2026 | Filing → | |
| Sale | 1,202 | $542.60 | $652K | 200,166 | 9/11/2026 Filed: 9/9/2026 | Filing → | |
| Sale | 368 | $541.64 | $199K | 201,368 | 9/11/2026 Filed: 9/9/2026 | Filing → | |
| Sale | 687 | $540.59 | $371K | 201,736 | 9/11/2026 Filed: 9/9/2026 | Filing → | |
| Sale | 160 | $537.62 | $86K | 202,423 | 9/11/2026 Filed: 9/9/2026 | Filing → | |
| Sale | 218 | $535.94 | $117K | 202,583 | 9/11/2026 Filed: 9/9/2026 | Filing → | |
| Sale | 106 | $534.06 | $57K | 202,801 | 9/11/2026 Filed: 9/9/2026 | Filing → | |
| Sale | 60 | $533.09 | $32K | 202,907 | 9/11/2026 Filed: 9/9/2026 | Filing → | |
| Sale | 160 | $542.55 | $87K | 202,967 | 9/9/2026 Filed: 9/9/2026 | Filing → | |
| Sale | 362 | $541.65 | $196K | 203,127 | 9/9/2026 Filed: 9/9/2026 | Filing → | |
| Sale | 505 | $540.19 | $273K | 203,489 | 9/9/2026 Filed: 9/9/2026 | Filing → | |
| Sale | 215 | $539.03 | $116K | 203,994 | 9/9/2026 Filed: 9/9/2026 | Filing → | |
| Sale | 520 | $538.30 | $280K | 204,209 | 9/9/2026 Filed: 9/9/2026 | Filing → | |
| Sale | 640 | $537.17 | $344K | 204,729 | 9/9/2026 Filed: 9/9/2026 | Filing → | |
| Sale | 1,040 | $536.11 | $558K | 205,369 | 9/9/2026 Filed: 9/9/2026 | Filing → | |
| Sale | 644 | $535.27 | $345K | 206,409 | 9/9/2026 Filed: 9/9/2026 | Filing → | |
| Sale | 396 | $534.20 | $212K | 207,053 | 9/9/2026 Filed: 9/9/2026 | Filing → | |
| Sale | 512 | $533.09 | $273K | 207,449 | 9/9/2026 Filed: 9/9/2026 | Filing → |
Type
Sale
Shares
120
Price
$546.38
Value
$66K
Type
Sale
Shares
761
Price
$544.83
Value
$415K
Type
Sale
Shares
1,539
Price
$544.02
Value
$837K
Type
Sale
Shares
1,202
Price
$542.60
Value
$652K
Type
Sale
Shares
368
Price
$541.64
Value
$199K
Type
Sale
Shares
687
Price
$540.59
Value
$371K
Type
Sale
Shares
160
Price
$537.62
Value
$86K
Type
Sale
Shares
218
Price
$535.94
Value
$117K
Type
Sale
Shares
106
Price
$534.06
Value
$57K
Type
Sale
Shares
60
Price
$533.09
Value
$32K
Type
Sale
Shares
160
Price
$542.55
Value
$87K
Type
Sale
Shares
362
Price
$541.65
Value
$196K
Type
Sale
Shares
505
Price
$540.19
Value
$273K
Type
Sale
Shares
215
Price
$539.03
Value
$116K
Type
Sale
Shares
520
Price
$538.30
Value
$280K
Type
Sale
Shares
640
Price
$537.17
Value
$344K
Type
Sale
Shares
1,040
Price
$536.11
Value
$558K
Type
Sale
Shares
644
Price
$535.27
Value
$345K
Type
Sale
Shares
396
Price
$534.20
Value
$212K
Type
Sale
Shares
512
Price
$533.09
Value
$273K
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