InsiderTrades

Form 4 for MIRM Mirum Pharmaceuticals, Inc.

Accepted 2026-06-02 19:50:07 ET · period of report 2026-05-29 · accession 0001547959-26-000011 · 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 2026-06-02 19:50 2026-05-29 MIRM Ramasastry Saira Dir M - OptEx — +3,977 3,977 New —
D 2026-06-02 19:50 2026-06-01 MIRM Ramasastry Saira Dir S - Sale+OE $100.00 -3,977 0 -100% -$397.7K
D 2026-06-02 19:50 2026-05-29 MIRM Ramasastry Saira Dir M - OptEx $0.00 -3,977 0 -100% $0

Purchase Sale Sale after option exercise All abbreviations

Every reported transaction

#TableSecurityDateCodeA/DSharesPriceOwned afterOwnExercise / expiryUnderlyingFootnotes
1 Common Common Stock 2026-05-29 M A 3,977 — 3,977 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 2026-06-01 S D 3,977 $100.00 0 D — — (F2) Reported transaction occurred pursuant to a Rule 10b5-1 Plan adopted by the reporting person on September 18, 2025.
3 Derivative Restricted Stock Units 2026-05-29 M D 3,977 $0.00 0 D — · — to — 3,977 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) Each restricted stock unit represents a contingent right to receive one share of the Issuer's common stock and vests on May 29, 2026. (F3) Each restricted stock unit represents a contingent right to receive one share of the Issuer's common stock and vests on May 29, 2026.