Mirum Pharmaceuticals, Inc. Insider Trading Activity
Every SEC Form 4 insider transaction reported for Mirum Pharmaceuticals, Inc. (MIRM), sourced directly from SEC EDGAR and updated as new filings are accepted.
By Trabud · Insider-trading data from SEC EDGAR
Latest filing:
Compiled automatically from SEC EDGAR Form 4 filings and refreshed daily. Figures count purchases (code P) and sales (code S) only — not grants, option exercises, or gifts. How this page is built. Not investment advice.
Quick Answer
Are MIRM insiders buying or selling?
In the last 12 months, Mirum Pharmaceuticals, Inc. insiders reported 1 open-market purchase ($9.0M) and 42 sales ($42.2M) — net selling of $33.2M. Since July 2019, Trabud has recorded 150 Form 4 filings for MIRM: 43 buys ($127.3M) and 107 sells ($72.4M).
Source: SEC EDGAR Form 4
Key Statistics (July 2019 – Sep 15, 2026)
Total Form 4 filings
150
SEC EDGAR
Insider filers
31
Insider buys (43)
$127.3M
Insider sells (107)
$72.4M
Insider sentiment
Net buyingNet insider flow of $54.9M in net buying since July 2019, and $33.2M in net selling over the last 12 months.
Recent MIRM insider transactions
| Date | Insider | Role | Type | Shares | Price | Value | Filing |
|---|---|---|---|---|---|---|---|
| Sep 15, 2026 | Eric Bjerkholt | CHIEF FINANCIAL OFFICER | Sale | 9.9K | $98.37 | $978.1K | SEC ↗ |
| Sep 3, 2026 | Jolanda Howe | SVP, GLOBAL CONTROLLER | Sale | 658 | $100.00 | $65.8K | SEC ↗ |
| Sep 3, 2026 | Christopher Peetz | CHIEF EXECUTIVE OFFICER | Sale | 30.0K | $98.68 | $3.0M | SEC ↗ |
| Aug 19, 2026 | Jolanda Howe | SVP, GLOBAL CONTROLLER | Sale | 40.0K | $100.00 | $4.0M | SEC ↗ |
| Aug 12, 2026 | Eric Bjerkholt | CHIEF FINANCIAL OFFICER | Sale | 6.0K | $99.90 | $599.5K | SEC ↗ |
| Aug 11, 2026 | Christopher Peetz | CHIEF EXECUTIVE OFFICER | Sale | 20.0K | $98.92 | $2.0M | SEC ↗ |
| Aug 5, 2026 | Jolanda Howe | SVP, GLOBAL CONTROLLER | Sale | 1.8K | $105.29 | $193.7K | SEC ↗ |
| Jul 8, 2026 | Christopher Peetz | CHIEF EXECUTIVE OFFICER | Sale | 20.0K | $122.27 | $2.4M | SEC ↗ |
| Jul 8, 2026 | Eric Bjerkholt | CHIEF FINANCIAL OFFICER | Sale | 5.0K | $122.25 | $611.3K | SEC ↗ |
| Jul 2, 2026 | Jolanda Howe | SVP, GLOBAL CONTROLLER | Sale | 2.7K | $120.00 | $326.5K | SEC ↗ |
| Jun 18, 2026 | Jolanda Howe | SVP, GLOBAL CONTROLLER | Sale | 2.6K | $101.95 | $264.5K | SEC ↗ |
| Jun 10, 2026 | Eric Bjerkholt | CHIEF FINANCIAL OFFICER | Sale | 5.0K | $93.82 | $469.1K | SEC ↗ |
| Jun 2, 2026 | Christopher Peetz | CHIEF EXECUTIVE OFFICER | Sale | 30.0K | $95.84 | $2.9M | SEC ↗ |
| Jun 2, 2026 | Saira Ramasastry | Director | Sale | 4.0K | $100.00 | $397.7K | SEC ↗ |
| May 19, 2026 | Saira Ramasastry | Director | Sale | 2.0K | $109.47 | $218.9K | SEC ↗ |
| Apr 17, 2026 | Saira Ramasastry | Director | Sale | 2.0K | $96.90 | $193.8K | SEC ↗ |
| Mar 17, 2026 | Eric Bjerkholt | CHIEF FINANCIAL OFFICER | Sale | 7.3K | $91.98 | $670.2K | SEC ↗ |
| Mar 17, 2026 | Joanne Quan | CHIEF MEDICAL OFFICER | Sale | 7.3K | $91.98 | $670.2K | SEC ↗ |
| Mar 17, 2026 | Saira Ramasastry | Director | Sale | 2.0K | $90.76 | $181.5K | SEC ↗ |
| Mar 17, 2026 | Peter Radovich | PRESIDENT AND COO | Sale | 16.5K | $91.98 | $1.5M | SEC ↗ |
| Mar 17, 2026 | Jolanda Howe | SVP, GLOBAL CONTROLLER | Sale | 4.7K | $91.98 | $435.2K | SEC ↗ |
| Mar 17, 2026 | Christopher Peetz | CHIEF EXECUTIVE OFFICER | Sale | 41.0K | $91.98 | $3.8M | SEC ↗ |
| Feb 17, 2026 | Saira Ramasastry | Director | Sale | 2.0K | $102.09 | $204.2K | SEC ↗ |
| Feb 4, 2026 | Peter Radovich | PRESIDENT AND COO | Sale | 2.6K | $103.30 | $271.8K | SEC ↗ |
| Feb 4, 2026 | Christopher Peetz | CHIEF EXECUTIVE OFFICER | Sale | 9.1K | $103.30 | $940.9K | SEC ↗ |
Showing the 25 most recent of 150 Form 4 filings for Mirum Pharmaceuticals, Inc..
Most active MIRM insiders
- Christopher Peetz23 filings
- Jolanda Howe23 filings
- Peter Radovich15 filings
- Eric Bjerkholt12 filings
- Patrick J Heron12 filings
Ask anything about MIRM insider activity
Use Trabud's AI agent to query Mirum Pharmaceuticals, Inc.'s Form 4 history in plain English — "Show me MIRM CEO purchases this year" or compare it against any other ticker.
Open the AI agentMIRM insider trading FAQ
Are Mirum Pharmaceuticals, Inc. insiders buying or selling?
In the last 12 months, Mirum Pharmaceuticals, Inc. insiders reported 1 open-market purchase ($9.0M) and 42 sales ($42.2M) — net selling of $33.2M. Since July 2019, Trabud has recorded 150 Form 4 filings for MIRM: 43 buys ($127.3M) and 107 sells ($72.4M). Over the full record that is net buying of $54.9M.
How many insiders trade MIRM stock?
31 distinct insider filers — officers, directors, 10%+ owners, and investment groups filing jointly — have reported Form 4 transactions for Mirum Pharmaceuticals, Inc.. The most recent filing was accepted on Sep 15, 2026.
Where does Trabud get MIRM insider trading data?
All MIRM insider trading data comes directly from official SEC EDGAR Form 4 filings, which corporate insiders must submit within two business days of a transaction under Section 16(a) of the Securities Exchange Act of 1934.