Form 4 for MIRM Mirum Pharmaceuticals, Inc.
Accepted 2026-01-21 00:00:00 ET · period of report 2026-01-16 · accession 0001670138-26-000001 · 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 | 2026-01-21 | 2026-01-20 | MIRM | Quan Joanne | Chief MEDICAL Off | S - Sale+OE | $90.27 | -6,911 | 11.3K | -38% | -$623.9K |
| D | 2026-01-21 | 2026-01-16 | MIRM | Quan Joanne | Chief MEDICAL Off | M - OptEx | — | +12.5K | 18.2K | +219% | — |
| D | 2026-01-21 | 2026-01-16 | MIRM | Quan Joanne | Chief MEDICAL Off | M - OptEx | $0.00 | -12.5K | 12.5K | -50% | $0 |
Purchase Sale Sale after option exercise All abbreviations
Every reported transaction
| # | Table | Security | Date | Code | A/D | Shares | Price | Owned after | Own | Exercise / expiry | Underlying | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Common | Common Stock | 2026-01-20 | S | D | 6,911 | $90.27 | 11,305 | D | — | — | |
| 2 | Common | Common Stock | 2026-01-16 | M | A | 12,500 | — | 18,216 | D | — | — | (F1) Each restricted stock unit represents a contingent right to receive one share of the Issuer's common stock. (F2) Includes 67 shares of common stock that were acquired by the Reporting Person on November 10, 2025, pursuant to the Issuer's Employee Stock Purchase Plan. |
| 3 | Derivative | Restricted Stock Units | 2026-01-16 | M | D | 12,500 | $0.00 | 12,500 | D | — · — to — | 12,500 Common Stock | (F1) Each restricted stock unit represents a contingent right to receive one share of the Issuer's common stock. (F4) 1/3rd of the shares subject to the restricted stock units shall vest on each anniversary of January 16, 2024 (the "Vesting Commencement Date"), such that the entire award will be vested on the three-year anniversary of the Vesting Commencement Date. |