InsiderTrades

Form 4 for MIRM Mirum Pharmaceuticals, Inc.

Accepted 2026-01-23 00:00:00 ET · period of report 2026-01-21 · accession 0001974200-26-000001 · 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 2026-01-23 2026-01-22 MIRM Howe Jolanda SVP, Gbl Ctrl S - Sale+OE $93.33 -926 3,042 -23% -$86.4K
D 2026-01-23 2026-01-21 MIRM Howe Jolanda SVP, Gbl Ctrl M - OptEx — +1,542 3,968 +64% —
D 2026-01-23 2026-01-21 MIRM Howe Jolanda SVP, Gbl Ctrl M - OptEx $0.00 -1,542 3,083 -33% $0

Purchase Sale Sale after option exercise All abbreviations

Every reported transaction

#TableSecurityDateCodeA/DSharesPriceOwned afterOwnExercise / expiryUnderlyingFootnotes
1 Common Common Stock 2026-01-22 S D 926 $93.33 3,042 D — —
2 Common Common Stock 2026-01-21 M A 1,542 — 3,968 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).
3 Derivative Restricted Stock Units 2026-01-21 M D 1,542 $0.00 3,083 D — · — to — 1,542 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) 1/3rd of the shares subject to the restricted stock units shall vest on each anniversary of January 21, 2025 (the "Vesting Commencement Date"), such that the entire award will be vested on the three-year anniversary of the Vesting Commencement Date.