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William John Sibold, President and CEO at Madrigal Pharmaceuticals, sold MDGL on Sep 9, 2026

Data as of Oct 27

▼ SELL$344K640 shares at $537.17William John Sibold President and CEOMDGL Madrigal Pharmaceuticals, Inc.
Watch MDGL
Traded
Sep 9, 2026
Disclosed
Sep 11, 2026
Filed
2 days after the trade

Form 4s are due within two business days.

Official filing (SEC Form 4) ↗

The price around the disclosure

William John Sibold, President and CEO at Madrigal Pharmaceuticals, sold MDGL on Sep 9, 2026TRADEDDISCLOSED
MDGLSimilar stocks (XLV — its sector index fund), rebased to MDGL's price on the disclosure day
MDGL since disclosure
−17.6%
after the sale
Similar stocks (XLV) since disclosure
+8.4%
XLV — its sector index fund

Change in closing price from Sep 11, 2026 (the first trading day on or after disclosure) to Oct 27, 2026. Dividends excluded. Not a return anyone earned.

Our take

None of our tested rules fired on this trade.

Other trades in the same filing

  1. ▼ SELLWilliam John Sibold President and CEOMDGL Madrigal Pharmaceuticals, Inc.$32Kdisclosed Sep 11 · filed the same day
  2. ▼ SELLWilliam John Sibold President and CEOMDGL Madrigal Pharmaceuticals, Inc.$65.6Kdisclosed Sep 11 · filed the same day
  3. ▼ SELLWilliam John Sibold President and CEOMDGL Madrigal Pharmaceuticals, Inc.$371Kdisclosed Sep 11 · filed the same day
  4. ▼ SELLWilliam John Sibold President and CEOMDGL Madrigal Pharmaceuticals, Inc.$199Kdisclosed Sep 11 · filed the same day
  5. ▼ SELLWilliam John Sibold President and CEOMDGL Madrigal Pharmaceuticals, Inc.$56.6Kdisclosed Sep 11 · filed the same day
  6. ▼ SELLWilliam John Sibold President and CEOMDGL Madrigal Pharmaceuticals, Inc.$652Kdisclosed Sep 11 · filed the same day
  7. ▼ SELLWilliam John Sibold President and CEOMDGL Madrigal Pharmaceuticals, Inc.$837Kdisclosed Sep 11 · filed the same day
  8. ▼ SELLWilliam John Sibold President and CEOMDGL Madrigal Pharmaceuticals, Inc.$86Kdisclosed Sep 11 · filed the same day
  9. ▼ SELLWilliam John Sibold President and CEOMDGL Madrigal Pharmaceuticals, Inc.$415Kdisclosed Sep 11 · filed the same day
  10. ▼ SELLWilliam John Sibold President and CEOMDGL Madrigal Pharmaceuticals, Inc.$117Kdisclosed Sep 11 · filed the same day
  11. ▼ SELLWilliam John Sibold President and CEOMDGL Madrigal Pharmaceuticals, Inc.$196Kdisclosed Sep 11 · filed 2 days after the trade
  12. ▼ SELLWilliam John Sibold President and CEOMDGL Madrigal Pharmaceuticals, Inc.$273Kdisclosed Sep 11 · filed 2 days after the trade
  13. ▼ SELLWilliam John Sibold President and CEOMDGL Madrigal Pharmaceuticals, Inc.$196Kdisclosed Sep 11 · filed 2 days after the trade
  14. ▼ SELLWilliam John Sibold President and CEOMDGL Madrigal Pharmaceuticals, Inc.$280Kdisclosed Sep 11 · filed 2 days after the trade
  15. ▼ SELLWilliam John Sibold President and CEOMDGL Madrigal Pharmaceuticals, Inc.$86.8Kdisclosed Sep 11 · filed 2 days after the trade

See every trade on MDGL →