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Madrigal Pharmaceuticals, Inc. (NASDAQ:MDGL)
US · Delayed Price · Currency is USD
434.24-19.10 (-4.21%)
Insider Score
––Not scored
MDGL Insider Score
Insiders filed in the last 90 days, but none of those trades qualified for scoring — round-trip buys and filings whose price is far off the market are excluded.
MDGL Stock Insider Trading Activity
MDGL stock’s insider trading shows 27 sales on the open market for an estimated $6.80M by company insiders over the last 6 months.
Not enough price history.
Insider Trading Activity (Form 4 Filings)
An insider trade occurs when an individual that has non-public information about a company buys or sells shares of that company’s stock. Examples of insiders include a company’s executive officers (CEO, CFO, COO), its board of directors, and its major shareholders. Insiders are required to submit their trading activity to the SEC through Form 4 filings.
Scored window · last 90 days0 qualifying buys0 insiders$0 bought— these are the numbers in the rankings table; the full history below shows every filing (buys, sells and older activity).
| Insider | Action | Shares | Avg Cost | Total | Δ Holdings | Held After | Date | Grade | Form 4 |
|---|---|---|---|---|---|---|---|---|---|
| Sibold William John CEO | Sell | 687 | $540.59 | $371.38K | 0.3% | 201,736 | Sep 11, 2026 | — | Form 4 |
| Sibold William John CEO | Sell | 160 | $537.62 | $86.02K | 0.1% | 202,423 | Sep 11, 2026 | — | Form 4 |
| Sibold William John CEO | Sell | 218 | $535.94 | $116.84K | 0.1% | 202,583 | Sep 11, 2026 | — | Form 4 |
| Sibold William John CEO | Sell | 106 | $534.06 | $56.61K | 0.1% | 202,801 | Sep 11, 2026 | — | Form 4 |
| Sibold William John CEO | Sell | 60 | $533.09 | $31.99K | 0.0% | 202,907 | Sep 11, 2026 | — | Form 4 |
| Sibold William John CEO | Sell | 120 | $546.38 | $65.57K | 0.1% | 197,746 | Sep 11, 2026 | — | Form 4 |
| Sibold William John CEO | Sell | 761 | $544.83 | $414.62K | 0.4% | 197,866 | Sep 11, 2026 | — | Form 4 |
| Sibold William John CEO | Sell | 1,539 | $544.02 | $837.25K | 0.8% | 198,627 | Sep 11, 2026 | — | Form 4 |
| Sibold William John CEO | Sell | 1,202 | $542.60 | $652.21K | 0.6% | 200,166 | Sep 11, 2026 | — | Form 4 |
| Sibold William John CEO | Sell | 368 | $541.64 | $199.32K | 0.2% | 201,368 | Sep 11, 2026 | — | Form 4 |
| Sibold William John CEO | Sell | 362 | $541.65 | $196.08K | 0.2% | 203,127 | Sep 9, 2026 | — | Form 4 |
| Sibold William John CEO | Sell | 131 | $527.88 | $69.15K | 0.1% | 209,198 | Sep 9, 2026 | — | Form 4 |
| Sibold William John CEO | Sell | 347 | $529.27 | $183.66K | 0.2% | 208,851 | Sep 9, 2026 | — | Form 4 |
| Sibold William John CEO | Sell | 522 | $530.23 | $276.78K | 0.2% | 208,329 | Sep 9, 2026 | — | Form 4 |
| Sibold William John CEO | Sell | 368 | $531.99 | $195.77K | 0.2% | 207,961 | Sep 9, 2026 | — | Form 4 |
| Sibold William John CEO | Sell | 512 | $533.09 | $272.94K | 0.2% | 207,449 | Sep 9, 2026 | — | Form 4 |
| Sibold William John CEO | Sell | 396 | $534.20 | $211.54K | 0.2% | 207,053 | Sep 9, 2026 | — | Form 4 |
| Sibold William John CEO | Sell | 1,040 | $536.11 | $557.56K | 0.5% | 205,369 | Sep 9, 2026 | — | Form 4 |
| Sibold William John CEO | Sell | 640 | $537.17 | $343.79K | 0.3% | 204,729 | Sep 9, 2026 | — | Form 4 |
| Sibold William John CEO | Sell | 520 | $538.30 | $279.91K | 0.3% | 204,209 | Sep 9, 2026 | — | Form 4 |
| Sibold William John CEO | Sell | 215 | $539.03 | $115.89K | 0.1% | 203,994 | Sep 9, 2026 | — | Form 4 |
| Sibold William John CEO | Sell | 505 | $540.19 | $272.80K | 0.2% | 203,489 | Sep 9, 2026 | — | Form 4 |
| Sibold William John CEO | Sell | 644 | $535.27 | $344.72K | 0.3% | 206,409 | Sep 9, 2026 | — | Form 4 |
| Sibold William John CEO | Sell | 160 | $542.55 | $86.81K | 0.1% | 202,967 | Sep 9, 2026 | — | Form 4 |
| Kelley Shannon T Other | Sell | 664 | $514.97 | $341.94K | 5.5% | 11,474 | Aug 17, 2026 | — | Form 4 |
| REED JOHN C Director | Award | 647 | — | — | New | 647 | Aug 15, 2026 | — | Form 4 |
| Sibold William John CEO | Sell | 280 | $555.05 | $155.41K | 0.1% | 209,329 | Jul 20, 2026 | — | Form 4 |
| Sibold William John CEO | Sell | 110 | $543.79 | $59.82K | 0.1% | 211,579 | Jul 20, 2026 | — | Form 4 |
What these mean— the action is the SEC’s own Form 4 transaction code. Only a buy or a sell is an open-market trade; the rest are transfers, awards and exercises, which is why they carry no price.
- Sell (S) — Open-market or private sale
- Award (A) — Grant or award from the company, not a purchase
Disclaimer — Informational only — not investment advice. Insider transaction data is sourced from SEC Form 4 filings; market data from public feeds and may be delayed. The Insider Score is a proprietary score for research purposes and does not predict future performance. Always do your own research.