Sibold William Johninsider trades
In SEC Form 4 filings, Sibold William John is listed as President and CEO of Madrigal Pharmaceuticals, Inc. (MDGL). In the last 90 days, Sibold William John sold $6.24M of Madrigal Pharmaceuticals, Inc. (MDGL) on the open market and bought none. All 24 sales were reported under a 10b5-1 trading plan.
Companies and roles
| Company | Role | Transactions | Last filed |
|---|---|---|---|
| MDGLMadrigal Pharmaceuticals, Inc. | President and CEO | 24 | Sep 11 |
Cluster buys
No cluster buy in the last 90 days included a purchase by this insider (two or more insiders buying within 14 days).
Form 4 historysince 2026-09-11
| Company | Traded | Filed | Type | Shares | Price | Value | Owned after | 10b5-1 plan | Filing |
|---|---|---|---|---|---|---|---|---|---|
| MDGLMadrigal Pharmaceuticals, Inc. | Sep 11 | Sep 11 | S | 60 | $533.09 | Sale −$31,985 | 202,907 | Yes | Form 4 |
| MDGLMadrigal Pharmaceuticals, Inc. | Sep 11 | Sep 11 | S | 106 | $534.06 | Sale −$56,611 | 202,801 | Yes | Form 4 |
| MDGLMadrigal Pharmaceuticals, Inc. | Sep 11 | Sep 11 | S | 218 | $535.94 | Sale −$116,836 | 202,583 | Yes | Form 4 |
| MDGLMadrigal Pharmaceuticals, Inc. | Sep 11 | Sep 11 | S | 160 | $537.62 | Sale −$86,019 | 202,423 | Yes | Form 4 |
| MDGLMadrigal Pharmaceuticals, Inc. | Sep 11 | Sep 11 | S | 687 | $540.59 | Sale −$371,382 | 201,736 | Yes | Form 4 |
| MDGLMadrigal Pharmaceuticals, Inc. | Sep 11 | Sep 11 | S | 368 | $541.64 | Sale −$199,324 | 201,368 | Yes | Form 4 |
| MDGLMadrigal Pharmaceuticals, Inc. | Sep 11 | Sep 11 | S | 1,202 | $542.60 | Sale −$652,209 | 200,166 | Yes | Form 4 |
| MDGLMadrigal Pharmaceuticals, Inc. | Sep 11 | Sep 11 | S | 1,539 | $544.02 | Sale −$837,253 | 198,627 | Yes | Form 4 |
| MDGLMadrigal Pharmaceuticals, Inc. | Sep 11 | Sep 11 | S | 761 | $544.83 | Sale −$414,616 | 197,866 | Yes | Form 4 |
| MDGLMadrigal Pharmaceuticals, Inc. | Sep 11 | Sep 11 | S | 120 | $546.38 | Sale −$65,565 | 197,746 | Yes | Form 4 |
| MDGLMadrigal Pharmaceuticals, Inc. | Sep 9 | Sep 11 | S | 131 | $527.88 | Sale −$69,152 | 209,198 | Yes | Form 4 |
| MDGLMadrigal Pharmaceuticals, Inc. | Sep 9 | Sep 11 | S | 347 | $529.27 | Sale −$183,656 | 208,851 | Yes | Form 4 |
| MDGLMadrigal Pharmaceuticals, Inc. | Sep 9 | Sep 11 | S | 522 | $530.23 | Sale −$276,781 | 208,329 | Yes | Form 4 |
| MDGLMadrigal Pharmaceuticals, Inc. | Sep 9 | Sep 11 | S | 368 | $531.99 | Sale −$195,772 | 207,961 | Yes | Form 4 |
| MDGLMadrigal Pharmaceuticals, Inc. | Sep 9 | Sep 11 | S | 512 | $533.09 | Sale −$272,944 | 207,449 | Yes | Form 4 |
| MDGLMadrigal Pharmaceuticals, Inc. | Sep 9 | Sep 11 | S | 396 | $534.20 | Sale −$211,542 | 207,053 | Yes | Form 4 |
| MDGLMadrigal Pharmaceuticals, Inc. | Sep 9 | Sep 11 | S | 644 | $535.27 | Sale −$344,715 | 206,409 | Yes | Form 4 |
| MDGLMadrigal Pharmaceuticals, Inc. | Sep 9 | Sep 11 | S | 1,040 | $536.11 | Sale −$557,557 | 205,369 | Yes | Form 4 |
| MDGLMadrigal Pharmaceuticals, Inc. | Sep 9 | Sep 11 | S | 640 | $537.17 | Sale −$343,791 | 204,729 | Yes | Form 4 |
| MDGLMadrigal Pharmaceuticals, Inc. | Sep 9 | Sep 11 | S | 520 | $538.30 | Sale −$279,914 | 204,209 | Yes | Form 4 |
| MDGLMadrigal Pharmaceuticals, Inc. | Sep 9 | Sep 11 | S | 215 | $539.03 | Sale −$115,891 | 203,994 | Yes | Form 4 |
| MDGLMadrigal Pharmaceuticals, Inc. | Sep 9 | Sep 11 | S | 505 | $540.19 | Sale −$272,796 | 203,489 | Yes | Form 4 |
| MDGLMadrigal Pharmaceuticals, Inc. | Sep 9 | Sep 11 | S | 362 | $541.65 | Sale −$196,079 | 203,127 | Yes | Form 4 |
| MDGLMadrigal Pharmaceuticals, Inc. | Sep 9 | Sep 11 | S | 160 | $542.55 | Sale −$86,808 | 202,967 | Yes | Form 4 |
Published from this insider's public Form 4 filings on SEC EDGAR; the name is shown as filed. Named in a filing and want this page removed? See the privacy policy.