13 insiders reported 133 Form 4 transactions for Mirum Pharmaceuticals, Inc. (MIRM) over the past 18 months (most recent 2026-09-15). Recent activity: BJERKHOLT ERIC (CHIEF FINANCIAL OFFICER) Buy 18,333 shares, BJERKHOLT ERIC (CHIEF FINANCIAL OFFICER) Sell 9,943 shares, Peetz Christopher (CHIEF EXECUTIVE OFFICER) Buy 30,000 shares, Howe Jolanda (SVP, GLOBAL CONTROLLER) Sell 658 shares, Peetz Christopher (CHIEF EXECUTIVE OFFICER) Sell 8,312 shares. Source: SEC Form 4.
| Date | Insider | Title | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-09-15 | BJERKHOLT ERIC | CHIEF FINANCIAL OFFICER | Buy | 18,333 | $0 |
| 2026-09-15 | BJERKHOLT ERIC | CHIEF FINANCIAL OFFICER | Sell | 9,943 | $978,093 |
| 2026-09-03 | Peetz Christopher | CHIEF EXECUTIVE OFFICER | Buy | 30,000 | $88,080 |
| 2026-09-03 | Howe Jolanda | SVP, GLOBAL CONTROLLER | Sell | 658 | $65,800 |
| 2026-09-03 | Peetz Christopher | CHIEF EXECUTIVE OFFICER | Sell | 8,312 | $815,241 |
| 2026-09-03 | Peetz Christopher | CHIEF EXECUTIVE OFFICER | Sell | 21,688 | $2.1M |
| 2026-08-19 | Howe Jolanda | SVP, GLOBAL CONTROLLER | Buy | 40,000 | $250,800 |
| 2026-08-19 | Howe Jolanda | SVP, GLOBAL CONTROLLER | Sell | 40,000 | $4.0M |
| 2026-08-12 | BJERKHOLT ERIC | CHIEF FINANCIAL OFFICER | Sell | 6,001 | $599,510 |
| 2026-08-11 | Peetz Christopher | CHIEF EXECUTIVE OFFICER | Sell | 2,300 | $230,322 |
| 2026-08-11 | Peetz Christopher | CHIEF EXECUTIVE OFFICER | Sell | 11,683 | $1.2M |
| 2026-08-11 | Peetz Christopher | CHIEF EXECUTIVE OFFICER | Buy | 20,000 | $58,720 |
| 2026-08-11 | Peetz Christopher | CHIEF EXECUTIVE OFFICER | Sell | 6,017 | $597,187 |
| 2026-08-05 | Howe Jolanda | SVP, GLOBAL CONTROLLER | Sell | 1,840 | $193,734 |
| 2026-07-08 | BJERKHOLT ERIC | CHIEF FINANCIAL OFFICER | Sell | 3,124 | $380,097 |
| 2026-07-08 | Peetz Christopher | CHIEF EXECUTIVE OFFICER | Buy | 20,000 | $58,720 |
| 2026-07-08 | BJERKHOLT ERIC | CHIEF FINANCIAL OFFICER | Sell | 1,048 | $128,307 |
| 2026-07-08 | Peetz Christopher | CHIEF EXECUTIVE OFFICER | Sell | 12,134 | $1.5M |
| 2026-07-08 | BJERKHOLT ERIC | CHIEF FINANCIAL OFFICER | Sell | 528 | $65,388 |
| 2026-07-08 | Peetz Christopher | CHIEF EXECUTIVE OFFICER | Sell | 4,181 | $511,504 |
| 2026-07-08 | BJERKHOLT ERIC | CHIEF FINANCIAL OFFICER | Sell | 300 | $37,482 |
| 2026-07-08 | Peetz Christopher | CHIEF EXECUTIVE OFFICER | Sell | 1,975 | $244,386 |
| 2026-07-08 | Peetz Christopher | CHIEF EXECUTIVE OFFICER | Sell | 1,710 | $213,391 |
| 2026-07-02 | Howe Jolanda | SVP, GLOBAL CONTROLLER | Sell | 2,721 | $326,520 |
| 2026-06-18 | Howe Jolanda | SVP, GLOBAL CONTROLLER | Sell | 2,594 | $264,458 |
Source: SEC Form 4 filings · as of 2026-09-15