InsiderTrades

Form 4 for MIRM Mirum Pharmaceuticals, Inc.

Accepted 2025-09-12 00:00:00 ET · period of report 2025-09-11 · accession 0001415889-25-024462 · SEC index · Original document

Summary rows

Aggregated the way they appear in lists: one row per insider, transaction code and security table.

X Filed Traded Ticker Insider Title Type Price Qty Owned ΔOwn Value
D 2025-09-12 2025-09-11 MIRM BJERKHOLT ERIC CFO M - OptEx — +18.3K 49.5K +59% —
D 2025-09-12 2025-09-12 MIRM BJERKHOLT ERIC CFO S - Sale+OE $76.01 -9,578 39.9K -19% -$728.0K
D 2025-09-12 2025-09-11 MIRM BJERKHOLT ERIC CFO M - OptEx $0.00 -18.3K 18.3K -50% $0

Purchase Sale Sale after option exercise All abbreviations

Every reported transaction

#TableSecurityDateCodeA/DSharesPriceOwned afterOwnExercise / expiryUnderlyingFootnotes
1 Common Common Stock 2025-09-11 M A 18,333 — 49,523 D — — (F1) Each restricted stock unit represents a contingent right to receive one share of common stock (or its cash equivalent, at the discretion of the Issuer).
2 Common Common Stock 2025-09-12 S D 9,578 $76.01 39,945 D — —
3 Derivative Restricted Stock Units 2025-09-11 M D 18,333 $0.00 18,333 D — · — to — 18,333 Common Stock (F1) Each restricted stock unit represents a contingent right to receive one share of common stock (or its cash equivalent, at the discretion of the Issuer). (F3) The restricted stock units vest in a series of three successive equal annual installments beginning on the one-year anniversary of September 11, 2023.