Senior insider sale
Executive Chairman at MIRUM PHARMACEUTICALS, INC. — senior position signals high conviction
$11.10M
150K shares
What this filing means
GREY MICHAEL G plans to sell 150K shares of MIRUM PHARMACEUTICALS, INC. valued at approximately $11.10M. Form 144 is a notice of intent to sell restricted or control securities — not a mandatory transaction. This filing provides advance warning of potential selling pressure.
Filed: 12/19/2025ACC: 0001950047-25-010541
DirectorOfficer· Executive Chairman
Since Jul 2019
150K
Shares to sell
$11.10M
Approx. market value
50K
Acquired (3 months)
1
Planned
2 completed
Securities Acquired — Last 3 Months1
Stock Option Exercise
Cash
12/19/2025
50KTotal acquired50K
| Acquisition Date | Type | Amount Acquired | Gift |
|---|---|---|---|
12/19/2025 | Stock Option Exercise Cash | 50K | — |
| Total | 50K | ||
Planned & Completed Dispositions3
Completed
—Completed
Units to sell
50K
Market value
$3.70M
12/1/2025
—Completed
Units to sell
50K
Market value
$3.50M
11/21/2025
Planned — Approximate Date
NASDAQPlanned
Units to sell
50K
Market value
$3.90M
12/19/2025
Total
Units
150K
Value
$11.10M
| Date | Units to Sell | Approx. Market Value | Exchange | Status |
|---|---|---|---|---|
| Completed | ||||
12/1/2025 | 50K | $3.70M | — | Completed |
11/21/2025 | 50K | $3.50M | — | Completed |
| Planned — Approximate Date | ||||
12/19/2025 | 50K | $3.90M | NASDAQ | Planned |
| Total | 150K | $11.10M | ||