Sibold William John's Form 4 filing
Madrigal Pharmaceuticals, Inc.MDGL · filed Sep 11, 2026
- Accession no.
- 0001628280-26-061581
- Filed
- Sep 11, 2026, 4:57 PM ET
- Trade date
- Sep 9-11, 2026
- Filing delay
- 2 days
- Rule 10b5-1 plan
- Checked
This filing lists 24 non-derivative transactions. Open-market sales total $6.24M. It was filed 2 days after the trade.
Reporting owners
A Form 4 can have several reporting owners, such as a person and a fund they control. Trade tables show the first one.
| Owner | Relationship to the company |
|---|---|
| Sibold William JohnCIK 0001518611 | Director, Officer (President and CEO) |
Non-derivative securities (Table I)
Acquisitions and disposals of common stock and similar shares, one row per line on the filing.
| Trade date | Security | Transaction | Shares | Price | Value | Shares after | Ownership | Flags |
|---|---|---|---|---|---|---|---|---|
| Sep 9, 2026 | Common Stock | SSaleDisposed | −131 | $527.88F2 | −$69,152.06 | 209,198 | Direct | |
| Sep 9, 2026 | Common Stock | SSaleDisposed | −347 | $529.27F3 | −$183,655.68 | 208,851 | Direct | |
| Sep 9, 2026 | Common Stock | SSaleDisposed | −522 | $530.23F4 | −$276,780.63 | 208,329 | Direct | |
| Sep 9, 2026 | Common Stock | SSaleDisposed | −368 | $531.99F5 | −$195,772.21 | 207,961 | Direct | |
| Sep 9, 2026 | Common Stock | SSaleDisposed | −512 | $533.09F6 | −$272,943.72 | 207,449 | Direct | |
| Sep 9, 2026 | Common Stock | SSaleDisposed | −396 | $534.20F7 | −$211,541.77 | 207,053 | Direct | |
| Sep 9, 2026 | Common Stock | SSaleDisposed | −644 | $535.27F8 | −$344,715.1 | 206,409 | Direct | |
| Sep 9, 2026 | Common Stock | SSaleDisposed | −1,040 | $536.11F9 | −$557,556.79 | 205,369 | Direct | |
| Sep 9, 2026 | Common Stock | SSaleDisposed | −640 | $537.17F10 | −$343,791.23 | 204,729 | Direct | |
| Sep 9, 2026 | Common Stock | SSaleDisposed | −520 | $538.30F11 | −$279,914.49 | 204,209 | Direct | |
| Sep 9, 2026 | Common Stock | SSaleDisposed | −215 | $539.03F12 | −$115,891.04 | 203,994 | Direct | |
| Sep 9, 2026 | Common Stock | SSaleDisposed | −505 | $540.19F13 | −$272,796.4 | 203,489 | Direct | |
| Sep 9, 2026 | Common Stock | SSaleDisposed | −362 | $541.65F14 | −$196,078.68 | 203,127 | Direct | |
| Sep 9, 2026 | Common Stock | SSaleDisposed | −160 | $542.55F15 | −$86,807.6 | 202,967 | Direct | |
| Sep 11, 2026 | Common Stock | SSaleDisposed | −60 | $533.09F17 | −$31,985.48 | 202,907 | Direct | |
| Sep 11, 2026 | Common Stock | SSaleDisposed | −106 | $534.06F18 | −$56,610.68 | 202,801 | Direct | |
| Sep 11, 2026 | Common Stock | SSaleDisposed | −218 | $535.94F19 | −$116,835.68 | 202,583 | Direct | |
| Sep 11, 2026 | Common Stock | SSaleDisposed | −160 | $537.62F20 | −$86,018.8 | 202,423 | Direct | |
| Sep 11, 2026 | Common Stock | SSaleDisposed | −687 | $540.59F21 | −$371,382.38 | 201,736 | Direct | |
| Sep 11, 2026 | Common Stock | SSaleDisposed | −368 | $541.64F22 | −$199,324.37 | 201,368 | Direct | |
| Sep 11, 2026 | Common Stock | SSaleDisposed | −1,202 | $542.60F23 | −$652,209.05 | 200,166 | Direct | |
| Sep 11, 2026 | Common Stock | SSaleDisposed | −1,539 | $544.02F24 | −$837,252.94 | 198,627 | Direct | |
| Sep 11, 2026 | Common Stock | SSaleDisposed | −761 | $544.83F25 | −$414,616.16 | 197,866 | Direct | |
| Sep 11, 2026 | Common Stock | SSaleDisposed | −120 | $546.38F26 | −$65,565.2 | 197,746 | Direct |
Footnotes and remarks
Livermore keeps the footnotes that transaction prices refer to, all footnotes of amendments (Form 4/A) and the filing's remarks. Other footnotes, such as how indirect holdings are held or the details of a trading plan, are only in the original on SEC EDGAR.
- F2
The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $527.49 to $528.27, inclusive. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote and the footnotes below.
Referenced by the price of 1 transaction in Table I.
- F3
The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $528.54 to $529.51, inclusive.
Referenced by the price of 1 transaction in Table I.
- F4
The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $529.64 to $530.48, inclusive.
Referenced by the price of 1 transaction in Table I.
- F5
The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $531.57 to $532.28, inclusive.
Referenced by the price of 1 transaction in Table I.
- F6
The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $532.57 to $533.29, inclusive.
Referenced by the price of 1 transaction in Table I.
- F7
The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $533.58 to $534.57, inclusive.
Referenced by the price of 1 transaction in Table I.
- F8
The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $534.63 to $535.62, inclusive.
Referenced by the price of 1 transaction in Table I.
- F9
The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $535.64 to $536.45, inclusive.
Referenced by the price of 1 transaction in Table I.
- F10
The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $536.64 to $537.56, inclusive.
Referenced by the price of 1 transaction in Table I.
- F11
The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $537.70 to $538.65, inclusive.
Referenced by the price of 1 transaction in Table I.
- F12
The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $538.86 to $539.83, inclusive.
Referenced by the price of 1 transaction in Table I.
- F13
The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $539.86 to $540.47, inclusive.
Referenced by the price of 1 transaction in Table I.
- F14
The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $541.29 to $542.27, inclusive.
Referenced by the price of 1 transaction in Table I.
- F15
The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $542.42 to $542.68, inclusive.
Referenced by the price of 1 transaction in Table I.
- F17
The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $532.76 to $533.64, inclusive.
Referenced by the price of 1 transaction in Table I.
- F18
The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $533.76 to $534.48, inclusive.
Referenced by the price of 1 transaction in Table I.
- F19
The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $535.52 to $536.02, inclusive.
Referenced by the price of 1 transaction in Table I.
- F20
The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $537.235 to $538.00, inclusive.
Referenced by the price of 1 transaction in Table I.
- F21
The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $539.97 to $540.90, inclusive.
Referenced by the price of 1 transaction in Table I.
- F22
The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $541.00 to $541.73, inclusive.
Referenced by the price of 1 transaction in Table I.
- F23
The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $542.11 to $543.02, inclusive.
Referenced by the price of 1 transaction in Table I.
- F24
The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $543.27 to $544.20, inclusive.
Referenced by the price of 1 transaction in Table I.
- F25
The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $544.38 to $545.32, inclusive.
Referenced by the price of 1 transaction in Table I.
- F26
The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $546.28 to $546.56, inclusive.
Referenced by the price of 1 transaction in Table I.