| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Peetz Christopher | CHIEF EXECUTIVE OFFICER, Director | C/O MIRUM PHARMACEUTICALS, INC., 989 E HILLSDALE BLVD., SUITE 300, FOSTER CITY | /s/ Judit Ryvkin, Attorney-in-Fact | 19 Nov 2025 | 0001614740 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | MIRM | Common Stock | Options Exercise | $368K | +19.1K | +13.77% | $19.24 | 158K | 18 Nov 2025 | Direct | F1 |
| holding | MIRM | Common Stock | 209K | 18 Nov 2025 | By The Peetz Family Trust |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Underlying Class | Amount | Exercise Price | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | MIRM | Employee Stock Option (right to buy) | Options Exercise | $0 | -19.1K | -11.25% | $0.00 | 151K | 18 Nov 2025 | Common Stock | 19.1K | $19.24 | Direct | F2 |
| Id | Content |
|---|---|
| F1 | Includes 260 shares of Common Stock that were acquired by the Reporting Person on November 10, 2025, pursuant to the Issuer's Employee Stock Purchase Plan. |
| F2 | The stock option is fully vested. |