William John Sibold Net Worth
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William John Sibold has an estimated net worth of at least $50.0 million*, as of Oct. 29, 2025. They own 148,497 shares of MDGL stock. They have sold 26,819 shares of MDGL stock since 2021, for an estimated $8.4 million.
William John Sibold $MDGL SEC Form 4 Insider Trading
William John Sibold has filed a total of 7 insider trades in $MDGL since 2021. Their most recent trade was a sale of 1,577 shares, made on Jan 26, 2026. Their largest trade was a sale of 7,279 shares, made on Sep 09, 2025. We estimate that they now own 148,497 shares of $MDGL, worth an estimated $41.6 million.
Insider Trading at $MDGL
There have been a total of 633 insider trades reported at $MDGL since 2021, with 590,368 shares purchased and 870,064 shares sold. The most active insider traders in $MDGL stock have been Brian Joseph Lynch, Rebecca Taub, and Carole Huntsman. The most recent trade was a sale of 340 shares reported by Carole Huntsman (Chief Commercial Officer), made on Jan 26, 2026.
History of Insider Stock Trades by William John Sibold
| Company Ticker | Purchase / Sale | Shares | Date | Disclosed (EST) |
|---|---|---|---|---|
MDGL
|
Sale | 1,577 | Jan 26, 2026 | Jan. 26, 2026, 6:14 p.m. |
|
MDGL
|
Sale | 2,400 | Dec 04, 2025 | Dec. 4, 2025, 6:26 p.m. |
|
MDGL
|
Sale | 7,279 | Sep 09, 2025 | Sept. 9, 2025, 9:07 p.m. |
|
MDGL
|
Sale | 1,131 | Aug 21, 2025 | Aug. 21, 2025, 5:44 p.m. |
|
MDGL
|
Sale | 6,485 | Aug 21, 2025 | Aug. 21, 2025, 5:44 p.m. |
|
MDGL
|
Sale | 1,584 | Jan 24, 2025 | Jan. 27, 2025, 6:12 p.m. |
|
MDGL
|
Sale | 6,363 | Sep 09, 2024 | Sept. 11, 2024, 9:51 p.m. |
$MDGL Executives and Stock Owners with Insider Trades
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Brian Joseph Lynch, SVP and General Counsel
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Rebecca Taub, Pres., R&D, and CMO
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Carole Huntsman, Chief Commercial Officer
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Robert E. Waltermire, Senior VP, Chief Pharma Dev.
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Remy Sukhija, Chief Commercial Officer
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Mardi Dier, EVP and CFO
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Shannon T Kelley, General Counsel
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William John Sibold, President and CEO
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Mardi Dier, SVP and CFO
*This is only based off of information found in SEC filings, and may not reflect actual net worth. There may also be inaccuracies due to privately holdings filing errors, parsing errors, accidental double-counting of shares, incorrect classification of indirectly owned shares, sales prior to dataset start date, or any other number of issues.