MDGL insider buying and SEC filings, explained
Madrigal Pharmaceuticals, Inc. · CIK 1157601
Tracked: Forms 3/4/5, 8-K, NT · All filings on sec.gov
Company profile
- Exchanges
- Nasdaq
- Industry (SIC)
- Pharmaceutical Preparations
- State of incorporation
- DE
- Fiscal year end
- Dec 31
- Former names
- MADRIGAL PHARMACEUTICALS, INC.; SYNTA PHARMACEUTICALS CORP
Insider activity in the last 12 months
Bought
$0
Insiders who bought
0
Sold (not marked 10b5-1)
$7.5M
Planned sales (10b5-1)
$66.0M
Insider purchases and sales, last 12 months
| Traded | Type | What was filed | Source |
|---|---|---|---|
| Sep 9–11, 2026 | Planned (10b5-1) | William John Sibold (CEO and Director) sold 11,583 shares between Sep 9 and Sep 11 at about $538.65 ($6.2M), marked as a 10b5-1 plan trade. Holdings down 6% to 197,746 shares. | SEC filing Filed Sep 11, 2026 |
| Aug 17, 2026 | Sale | Shannon T Kelley (General Counsel) sold 664 shares at $514.97 ($342K). Holdings down 5% to 11,474 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Aug 20, 2026 |
| Jul 20, 2026 | Sale | William John Sibold (CEO and Director) sold 2,500 shares at about $547.30 ($1.4M). Holdings down 1% to 209,329 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Jul 20, 2026 |
| Jun 1, 2026 | Planned (10b5-1) | David Soergel (Chief Medical Officer) sold 1,042 shares at $495.74 ($517K), marked as a 10b5-1 plan trade. Holdings down 9% to 10,033 shares. | SEC filing Filed Jun 1, 2026 |
| May 22, 2026 | Planned (10b5-1) | Richard S Levy (Director) sold 5,682 shares at about $515.44 ($2.9M), marked as a 10b5-1 plan trade. Holdings down 21% to 22,015 shares. | SEC filing Filed May 22, 2026 |
| May 18, 2026 | Sale | David Soergel (Chief Medical Officer) sold 844 shares at $515.90 ($435K). Holdings down 7% to 11,075 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed May 18, 2026 |
| Mar 6, 2026 | Sale | Rebecca Taub (Director) sold 491 shares at $431.94 ($212K). Holdings down <1% to 452,213 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Mar 6, 2026 |
| Mar 6, 2026 | Planned (10b5-1) | Mardi Dier (CFO) sold 1,982 shares at about $430.87 ($854K), marked as a 10b5-1 plan trade. Holdings down 14% to 12,490 shares. | SEC filing Filed Mar 6, 2026 |
| Mar 6, 2026 | Sale | William John Sibold (CEO and Director) sold 1,663 shares at $431.94 ($718K). Holdings down 1% to 161,829 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Mar 6, 2026 |
| Mar 6, 2026 | Sale | Shannon T Kelley (General Counsel) sold 360 shares at $431.94 ($155K). Holdings down 3% to 12,138 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Mar 6, 2026 |
| Mar 6, 2026 | Sale | Carole Huntsman (Chief Commercial Officer) sold 419 shares at $431.94 ($181K). Holdings down 3% to 12,692 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Mar 6, 2026 |
| Mar 2, 2026 | Sale | Mardi Dier (CFO) sold 1,183 shares at $427.21 ($505K). Holdings down 11% to 9,257 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Mar 2, 2026 |
| Jan 26, 2026 | Planned (10b5-1) | Carole Huntsman (Chief Commercial Officer) sold 910 shares at about $493.78 ($449K), marked as a 10b5-1 plan trade. Holdings down 9% to 9,122 shares. | SEC filing Filed Jan 26, 2026 |
| Jan 26, 2026 | Sale | William John Sibold (CEO and Director) sold 1,577 shares at $492.42 ($777K). Holdings down 1% to 148,497 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Jan 26, 2026 |
| Jan 26, 2026 | Sale | Rebecca Taub (Director) sold 647 shares at $492.42 ($319K). Holdings down <1% to 452,704 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Jan 26, 2026 |
| Jan 20, 2026 | Planned (10b5-1) | Shannon T Kelley (General Counsel) sold 692 shares at about $497.36 ($344K), marked as a 10b5-1 plan trade. Holdings down 8% to 8,481 shares. | SEC filing Filed Jan 20, 2026 |
| Jan 20, 2026 | Sale | Rebecca Taub (Director) sold 2,238 shares at $490.77 ($1.1M). Holdings down <1% to 453,351 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Jan 20, 2026 |
| Jan 9, 2026 | Planned (10b5-1) | Paul A. Friedman (Director) sold 280 shares at about $551.24 ($154K), marked as a 10b5-1 plan trade. Holdings down <1% to 187,164 shares. | SEC filing Filed Jan 13, 2026 |
| Jan 9, 2026 | Planned (10b5-1) | Paul A. Friedman (Director) sold 24,520 shares at about $522.39 ($12.8M), marked as a 10b5-1 plan trade. Holdings down 12% to 187,164 shares. | SEC filing Filed Jan 13, 2026 |
| Jan 9, 2026 | Planned (10b5-1) | Rebecca Taub (Director) sold 240 shares at about $550.33 ($132K), marked as a 10b5-1 plan trade. Holdings down <1% to 455,589 shares. | SEC filing Filed Jan 13, 2026 |
| Jan 9, 2026 | Planned (10b5-1) | Rebecca Taub (Director) sold 18,410 shares at about $522.40 ($9.6M), marked as a 10b5-1 plan trade. Holdings down 4% to 455,589 shares. | SEC filing Filed Jan 13, 2026 |
| Dec 10, 2025 | Planned (10b5-1) | Paul A. Friedman (Director) sold 24,800 shares at about $552.18 ($13.7M), marked as a 10b5-1 plan trade. Holdings down 12% to 187,164 shares. | SEC filing Filed Dec 12, 2025 |
| Dec 10, 2025 | Planned (10b5-1) | Rebecca Taub (Director) sold 18,650 shares at about $552.15 ($10.3M), marked as a 10b5-1 plan trade. Holdings down 4% to 461,044 shares. | SEC filing Filed Dec 12, 2025 |
| Dec 4, 2025 | Sale | William John Sibold (CEO and Director) sold 2,400 shares at $575.34 ($1.4M). Holdings down 2% to 150,074 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Dec 4, 2025 |
| Dec 2, 2025 | Planned (10b5-1) | Mardi Dier (CFO) sold 4,173 shares at about $578.34 ($2.4M), marked as a 10b5-1 plan trade. Holdings down 29% to 10,440 shares. | SEC filing Filed Dec 3, 2025 |
| Nov 21, 2025 | Planned (10b5-1) | Carole Huntsman (Chief Commercial Officer) sold 1,958 shares at about $553.11 ($1.1M), marked as a 10b5-1 plan trade. Holdings down 16% to 10,032 shares. | SEC filing Filed Nov 21, 2025 |
| Nov 13, 2025 | Planned (10b5-1) | Richard S Levy (Director) sold 8,500 shares at about $520.96 ($4.4M), marked as a 10b5-1 plan trade. Holdings down 29% to 21,197 shares. | SEC filing Filed Nov 14, 2025 |
27 routine transactions (such as grants, option exercises or tax withholding) are not listed.
Cluster buys
No cluster buys in the last 12 months.
Red flags
No red flags in the last 12 months.
Key events
No key events in the last 12 months.
8-K filings, last 12 months
| Filed | Items | Tag | Source |
|---|---|---|---|
| Nov 3, 2026, 8:08 AM ET 8-K | Earnings released (Item 2.02) | SEC filing |
Red flags are objective triggers only: the item or form filed, never an opinion.
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