Mardi Dier insider trades: Madrigal Pharmaceuticals (MDGL) stock buys and sales
Trades on the price chart
Daily close, with an arrow on each day they bought or sold
Companies
Where Mardi reports to the SEC
and 1 more company
Open-market buys and sales
30 trades reported on SEC Form 4, newest first
| Date | Stock | Type | Shares | Price | Value | Holding | Reported |
|---|---|---|---|---|---|---|---|
| Mar 6, 2026 | MDGL | ↓ Sell | 1,982 | $430.87 | $854K | Direct | Mar 6, 2026 (0d) |
| Mar 2, 2026 | MDGL | ↓ Sell | 1,183 | $427.21 | $505K | Direct | Mar 2, 2026 (0d) |
| Dec 2, 2025 | MDGL | ↓ Sell | 4,173 | $578.34 | $2.4M | Direct | Dec 3, 2025 (1d) |
| Mar 10, 2025 | MDGL | ↓ Sell | 258 | $323.04 | $83K | Direct | Mar 12, 2025 (2d) |
| Mar 3, 2025 | MDGL | ↓ Sell | 1,961 | $324.96 | $637K | Direct | Mar 5, 2025 (2d) |
| May 9, 2023 | SLRN | ↑ Buy | 5,556 | $18.00 | $100K | Direct | May 11, 2023 (2d) |
| May 9, 2023 | SLRN | ↑ Buy | 875 | $18.00 | $16K | Indirect | May 11, 2023 (2d) |
| Oct 14, 2022 | RARE | ↓ Sell | 1,629 | $40.16 | $65K | Direct | Oct 17, 2022 (3d) |
| Oct 12, 2022 | RARE | ↓ Sell | 3,484 | $38.22 | $133K | Direct | Oct 14, 2022 (2d) |
| Mar 3, 2022 | RARE | ↓ Sell | 954 | $65.71 | $63K | Direct | Mar 3, 2022 (0d) |
| Oct 14, 2021 | RARE | ↓ Sell | 6,738 | $82.00 | $553K | Direct | Oct 14, 2021 (0d) |
| Sep 29, 2020 | PRLD | ↑ Buy | 10,000 | $19.00 | $190K | Direct | Sep 29, 2020 (0d) |
| Apr 4, 2019 | PTLA | ↓ Sell10b5-1 | 40,486 | $37.39 | $1.5M | Direct | Apr 8, 2019 (4d) |
| Jul 11, 2017 | PTLA | ↓ Sell | 23,350 | $60.00 | $1.4M | Direct | Jul 13, 2017 (2d) |
| Jun 27, 2017 | PTLA | ↓ Sell | 93,392 | $55.46 | $5.2M | Direct | Jun 28, 2017 (1d) |
| Mar 15, 2017 | PTLA | ↓ Sell | 10,235 | $40.02 | $410K | Direct | Mar 16, 2017 (1d) |
| Sep 18, 2015 | PTLA | ↓ Sell | 8,912 | $55.00 | $490K | Direct | Sep 21, 2015 (3d) |
| Jun 8, 2015 | PTLA | ↓ Sell | 16,119 | $43.00 | $693K | Direct | Jun 9, 2015 (1d) |
| May 27, 2015 | PTLA | ↓ Sell10b5-1 | 6,076 | $41.00 | $249K | Direct | May 27, 2015 (0d) |
| May 12, 2015 | PTLA | ↓ Sell | 13,290 | $37.88 | $503K | Direct | May 12, 2015 (0d) |
| May 11, 2015 | PTLA | ↓ Sell | 13,674 | $38.21 | $523K | Direct | May 12, 2015 (1d) |
| Feb 23, 2015 | PTLA | ↓ Sell | 5,692 | $39.95 | $227K | Direct | Feb 23, 2015 (0d) |
| Nov 25, 2014 | PTLA | ↓ Sell10b5-1 | 1,118 | $28.23 | $32K | Direct | Nov 25, 2014 (0d) |
| Aug 25, 2014 | PTLA | ↓ Sell10b5-1 | 5,000 | $26.26 | $131K | Direct | Aug 25, 2014 (0d) |
| Jul 25, 2014 | PTLA | ↓ Sell10b5-1 | 5,000 | $24.11 | $121K | Direct | Jul 25, 2014 (0d) |
| Jun 25, 2014 | PTLA | ↓ Sell10b5-1 | 5,000 | $28.52 | $143K | Direct | Jun 25, 2014 (0d) |
| Jun 18, 2014 | PTLA | ↓ Sell10b5-1 | 3,706 | $29.95 | $111K | Direct | Jun 19, 2014 (1d) |
| May 29, 2014 | PTLA | ↓ Sell10b5-1 | 5,000 | $23.00 | $115K | Direct | May 29, 2014 (0d) |
| Apr 25, 2014 | PTLA | ↓ Sell10b5-1 | 5,000 | $24.14 | $121K | Direct | Apr 28, 2014 (3d) |
| Mar 25, 2014 | PTLA | ↓ Sell | 5,000 | $25.69 | $128K | Direct | Mar 27, 2014 (2d) |
Each row is one filing's trades in one stock, summed. Shares and prices are as filed, before any later stock split.
Other MDGL insiders
Open-market trades in the last 12 months
About Mardi Dier's insider trades
Mardi Dier is EVP and CFO at Madrigal Pharmaceuticals (MDGL). Since Mar 25, 2014, Mardi has reported 3 open-market purchases worth $306K and 27 sales worth $17.4M on SEC Form 4. In the last 12 months: 3 sales ($3.8M).
9 sales (15% of the value sold) were made under a Rule 10b5-1 trading plan, which is set up months in advance and runs on a schedule, so they say little about how the insider sees the stock today.
Their filings also include grants and awards (40 filings), option exercises (14 filings), shares withheld for taxes (13 filings), shares returned to the company (2 filings). These aren't open-market trades and aren't counted above.
How to read insider trades
Officers, directors and owners of more than 10% of a company must report trades in its stock on SEC Form 4, usually within two business days. Purchases with their own money are the stronger signal: insiders sell for many reasons (taxes, diversification, a house), but buy for one. See every MDGL insider trade, the latest insider trades across the market, or cluster buys, when several insiders buy the same stock within days.