Form 4 for MIRM Mirum Pharmaceuticals, Inc.
Accepted 2026-03-17 00:00:00 ET · period of report 2026-03-15 · accession 0001974200-26-000008 · 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 | 2026-03-17 | 2026-03-16 | MIRM | Howe Jolanda | SVP, Gbl Ctrl | S - Sale+OE | $91.98 | -4,732 | 8,429 | -36% | -$435.2K |
| DM | 2026-03-17 | 2026-03-15 | MIRM | Howe Jolanda | SVP, Gbl Ctrl | M - OptEx | — | +8,658 | 7,161 | New | — |
| DM | 2026-03-17 | 2026-03-15 | MIRM | Howe Jolanda | SVP, Gbl Ctrl | M - OptEx | $0.00 | -8,658 | 0 | -100% | $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 | 2026-03-16 | S | D | 4,732 | $91.98 | 8,429 | D | — | — | |
| 2 | Common | Common Stock | 2026-03-15 | M | A | 6,000 | — | 13,161 | D | — | — | (F1) Each performance restricted stock unit represents a contingent right to receive one share of the Issuer's common stock. |
| 3 | Common | Common Stock | 2026-03-15 | M | A | 2,658 | — | 7,161 | D | — | — | (F1) Each performance restricted stock unit represents a contingent right to receive one share of the Issuer's common stock. |
| 4 | Derivative | Performance Restricted Stock Units | 2026-03-15 | M | D | 6,000 | $0.00 | 3,000 | D | — · — to — | 6,000 Common Stock | (F1) Each performance restricted stock unit represents a contingent right to receive one share of the Issuer's common stock. (F4) The shares vest as follows: 2/3 of the shares vest on March 15, 2026 and 1/3 of the shares vest on March 15, 2027. |
| 5 | Derivative | Performance Restricted Stock Units | 2026-03-15 | M | D | 2,658 | $0.00 | 0 | D | — · — to — | 2,658 Common Stock | (F1) Each performance restricted stock unit represents a contingent right to receive one share of the Issuer's common stock. (F3) The shares vest as follows: 2/3 of the shares vest on March 15, 2025 and 1/3 of the shares vest on March 15, 2026. |