Mirum Pharmaceuticals, Inc. (MIRM)
Mirum Pharmaceuticals, Inc. (MIRM) Insider Trading
Directors, officers and holders of more than 10% of MIRM report their trades in its stock on SEC Form 4, within two business days. Each row below is one Form 4 transaction line. The one-letter code says what kind of transaction it was: only P (purchase) and S (sale) are open-market or private trades; awards, option exercises, tax withholding and gifts carry other codes.
Recent Form 4 transactions
The 50 most recent of 325 transactions on file: 0 with code P, 20 with code S and 30 with other codes.
| Date | Insider | Title | Code | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Oct 16, 2026 | Howe Jolanda | SVP, GLOBAL CONTROLLER | M Exercise | 16,112 | Not measured | Not measured |
| Oct 16, 2026 | Howe Jolanda | SVP, GLOBAL CONTROLLER | M Exercise | 16,112 | $19.24 | $309,995 |
| Oct 9, 2026 | Myers Robert Paul | Chief Medical Officer | A Award | 25,000 | Not measured | Not measured |
| Oct 9, 2026 | Myers Robert Paul | Chief Medical Officer | A Award | 40,000 | Not measured | Not measured |
| Oct 6, 2026 | Peetz Christopher | CHIEF EXECUTIVE OFFICER | M Exercise | 6,892 | Not measured | Not measured |
| Oct 6, 2026 | Peetz Christopher | CHIEF EXECUTIVE OFFICER | M Exercise | 5,305 | Not measured | Not measured |
| Oct 6, 2026 | Peetz Christopher | CHIEF EXECUTIVE OFFICER | M Exercise | 5,305 | $19.19 | $101,803 |
| Oct 6, 2026 | Peetz Christopher | CHIEF EXECUTIVE OFFICER | M Exercise | 6,892 | $15.87 | $109,376 |
| Sep 14, 2026 | BJERKHOLT ERIC | CHIEF FINANCIAL OFFICER | S Sale | 9,943 | $98.37 | $978,093 |
| Sep 11, 2026 | BJERKHOLT ERIC | CHIEF FINANCIAL OFFICER | M Exercise | 18,333 | Not measured | Not measured |
| Sep 11, 2026 | BJERKHOLT ERIC | CHIEF FINANCIAL OFFICER | M Exercise | 18,333 | Not measured | Not measured |
| Sep 2, 2026 | Howe Jolanda | SVP, GLOBAL CONTROLLER | S Sale | 658 | $100.00 | $65,800 |
| Sep 1, 2026 | Peetz Christopher | CHIEF EXECUTIVE OFFICER | S Sale | 21,688 | $98.91 | $2,145,160 |
| Sep 1, 2026 | Peetz Christopher | CHIEF EXECUTIVE OFFICER | S Sale | 8,312 | $98.08 | $815,241 |
| Sep 1, 2026 | Peetz Christopher | CHIEF EXECUTIVE OFFICER | M Exercise | 30,000 | Not measured | Not measured |
| Sep 1, 2026 | Peetz Christopher | CHIEF EXECUTIVE OFFICER | M Exercise | 30,000 | $2.94 | $88,080 |
| Aug 18, 2026 | Howe Jolanda | SVP, GLOBAL CONTROLLER | S Sale | 40,000 | $100.00 | $4,000,000 |
| Aug 18, 2026 | Howe Jolanda | SVP, GLOBAL CONTROLLER | M Exercise | 40,000 | Not measured | Not measured |
| Aug 18, 2026 | Howe Jolanda | SVP, GLOBAL CONTROLLER | M Exercise | 40,000 | $6.27 | $250,800 |
| Aug 11, 2026 | BJERKHOLT ERIC | CHIEF FINANCIAL OFFICER | S Sale | 6,001 | $99.90 | $599,510 |
| Aug 10, 2026 | Peetz Christopher | CHIEF EXECUTIVE OFFICER | S Sale | 6,017 | $99.25 | $597,187 |
| Aug 10, 2026 | Peetz Christopher | CHIEF EXECUTIVE OFFICER | S Sale | 2,300 | $100.14 | $230,322 |
| Aug 10, 2026 | Peetz Christopher | CHIEF EXECUTIVE OFFICER | S Sale | 11,683 | $98.51 | $1,150,892 |
| Aug 10, 2026 | Peetz Christopher | CHIEF EXECUTIVE OFFICER | M Exercise | 20,000 | $2.94 | $58,720 |
| Aug 10, 2026 | Peetz Christopher | CHIEF EXECUTIVE OFFICER | M Exercise | 20,000 | Not measured | Not measured |
| Aug 3, 2026 | Howe Jolanda | SVP, GLOBAL CONTROLLER | S Sale | 1,840 | $105.29 | $193,734 |
| Jul 6, 2026 | Peetz Christopher | CHIEF EXECUTIVE OFFICER | S Sale | 1,975 | $123.74 | $244,387 |
| Jul 6, 2026 | Peetz Christopher | CHIEF EXECUTIVE OFFICER | M Exercise | 20,000 | Not measured | Not measured |
| Jul 6, 2026 | Peetz Christopher | CHIEF EXECUTIVE OFFICER | S Sale | 1,710 | $124.79 | $213,391 |
| Jul 6, 2026 | Peetz Christopher | CHIEF EXECUTIVE OFFICER | S Sale | 4,181 | $122.34 | $511,504 |
| Jul 6, 2026 | BJERKHOLT ERIC | CHIEF FINANCIAL OFFICER | S Sale | 300 | $124.94 | $37,482 |
| Jul 6, 2026 | Peetz Christopher | CHIEF EXECUTIVE OFFICER | S Sale | 12,134 | $121.65 | $1,476,101 |
| Jul 6, 2026 | Peetz Christopher | CHIEF EXECUTIVE OFFICER | M Exercise | 20,000 | $2.94 | $58,720 |
| Jul 6, 2026 | BJERKHOLT ERIC | CHIEF FINANCIAL OFFICER | S Sale | 1,048 | $122.43 | $128,307 |
| Jul 6, 2026 | BJERKHOLT ERIC | CHIEF FINANCIAL OFFICER | S Sale | 3,124 | $121.67 | $380,097 |
| Jul 6, 2026 | BJERKHOLT ERIC | CHIEF FINANCIAL OFFICER | S Sale | 528 | $123.84 | $65,388 |
| Jul 1, 2026 | Howe Jolanda | SVP, GLOBAL CONTROLLER | S Sale | 2,721 | $120.00 | $326,520 |
| Jun 17, 2026 | Howe Jolanda | SVP, GLOBAL CONTROLLER | S Sale | 2,594 | $101.95 | $264,458 |
| Jun 15, 2026 | Ramasastry Saira | Director | A Award | 1,980 | Not measured | Not measured |
| Jun 15, 2026 | Cardon Lon | Director | A Award | 1,980 | Not measured | Not measured |
| Jun 15, 2026 | Walbert Timothy P | Director | A Award | 1,980 | Not measured | Not measured |
| Jun 15, 2026 | Ramasastry Saira | Director | A Award | 3,772 | Not measured | Not measured |
| Jun 15, 2026 | Walbert Timothy P | Director | A Award | 3,772 | Not measured | Not measured |
| Jun 15, 2026 | Cardon Lon | Director | A Award | 3,772 | Not measured | Not measured |
| Jun 15, 2026 | Brege Laura | Director | A Award | 1,980 | Not measured | Not measured |
| Jun 15, 2026 | Fairey William | Director | A Award | 3,772 | Not measured | Not measured |
| Jun 15, 2026 | Heron Patrick J | Director | A Award | 1,980 | Not measured | Not measured |
| Jun 15, 2026 | Fairey William | Director | A Award | 1,980 | Not measured | Not measured |
| Jun 15, 2026 | Heron Patrick J | Director | A Award | 3,772 | Not measured | Not measured |
| Jun 15, 2026 | Fischer Laurent | Director | A Award | 3,772 | Not measured | Not measured |
The full Form 4 history is on the MIRM company page (Insider Trades card, View all).
Questions about this data
Which insider transactions are open-market trades?
Code P (open market or private purchase) and code S (open market or private sale). Code F is shares withheld to pay tax on vesting stock, A is an award from the company, M and X are option exercises and G is a gift. None of those is the insider choosing to buy or sell in the market.
How quickly are insider trades reported?
A Form 4 is due before the end of the second business day after the trade. The date shown is the transaction date from the form.
Who has to file Form 4?
Officers, directors and beneficial owners of more than 10% of a class of the company’s registered equity, under Section 16 of the Securities Exchange Act.
Look up any code in the Form 4 transaction code reference, or read Form 4 codes explained.