GREY MICHAEL G 4
4 · Mirum Pharmaceuticals, Inc. · Filed Dec 2, 2025
Insider Transaction Report
Form 4
GREY MICHAEL G
Director
Transactions
- Exercise/Conversion
Common Stock
2025-12-01$2.94/sh+50,000$146,800→ 50,000 total - Sale
Common Stock
2025-12-01$74.00/sh−50,000$3,700,000→ 0 total - Exercise/Conversion
Stock Option (right to buy)
2025-12-01−50,000→ 231,176 totalExercise: $2.94Exp: 2029-03-11→ Common Stock (50,000 underlying)
Holdings
- 186,410(indirect: By Trust)
Common Stock
- 93,750(indirect: By Trust)
Common Stock
Footnotes (2)
- [F1]Reported transaction occurred pursuant to a Rule 10b5-1 Plan adopted August 22, 2025.
- [F2]The stock option is fully vested and exercisable.