Form 4 for MIRM Mirum Pharmaceuticals, Inc.
Accepted 2026-03-17 00:00:00 ET · period of report 2026-03-15 · accession 0001614740-26-000009 · 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| DM | 2026-03-17 | 2026-03-15 | MIRM | Peetz Christopher | CEO, Dir | M - OptEx | — | +75.0K | 235.3K | +47% | — |
| D | 2026-03-17 | 2026-03-16 | MIRM | Peetz Christopher | CEO, Dir | S - Sale+OE | $91.98 | -41.0K | 194.3K | -17% | -$3.77M |
| DM | 2026-03-17 | 2026-03-15 | MIRM | Peetz Christopher | CEO, Dir | M - OptEx | $0.00 | -75.0K | 25.0K | -75% | $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 | 2026-03-15 | M | A | 25,000 | — | 185,294 | D | — | — | (F1) Each performance restricted stock unit represents a contingent right to receive one share of the Issuer's common stock. |
| 2 | Common | Common Stock | 2026-03-15 | M | A | 50,000 | — | 235,294 | 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 | 2026-03-16 | S | D | 40,985 | $91.98 | 194,309 | D | — | — | |
| 4 | Derivative | Performance Restricted Stock Units | 2026-03-15 | M | D | 25,000 | $0.00 | 0 | D | — · — to — | 25,000 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. |
| 5 | Derivative | Performance Restricted Stock Units | 2026-03-15 | M | D | 50,000 | $0.00 | 25,000 | D | — · — to — | 50,000 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. |