MIRM
Mirum Pharmaceuticals, Inc. · Healthcare · Market cap $5.5B
Insiders sold $10.8M net in the last 90 days ·3 sellers, 0 buyers· 5 of 7 sales under Rule 10b5-1 plans· latest Form 4 filed Sep 15, 2026
Insider Buying
$9.0M
reported purchases (SEC code P)
Insider Selling
$42.2M
reported sales (SEC code S)
Unique Insiders
8
in the rolling window
Latest filing
Oct 19, 2026
BJERKHOLT ERIC
Mirum Pharmaceuticals, Inc. (MIRM) has 52 SEC Form 4 filings (108 transaction rows) in the rolling window, disclosed by 8 distinct insiders. Most recent filing: Oct 19, 2026.
Inside the rolling window, 8 insiders at Mirum Pharmaceuticals, Inc. reported 1 open-market purchase totaling $9.0M and 42 open-market sales totaling $42.2M. The most active filer is SVP, GLOBAL CONTROLLER Howe Jolanda with 9 filings. Insiders have net sold $18.4M over the trailing 6 months. The most recent open-market filing is a sale of 9,943 shares by CHIEF FINANCIAL OFFICER BJERKHOLT ERIC, dated Sep 14, 2026, worth $978K.
- Industry:Biotechnology
- CEO:Christopher Peetz
- Employees:433
- HQ:Foster City, CA, US
- IPO:2019-07-18
| Source | |||||||
|---|---|---|---|---|---|---|---|
| CHIEF FINANCIAL OFFICER | Sale | 9,943 | $978K | Sep 15 | -9.4% | SEC ↗ | |
| SVP, GLOBAL CONTROLLER | Sale | 658 | $66K | Sep 3 | -15.5% | SEC ↗ | |
| CHIEF EXECUTIVE OFFICER | Sale | 30,000 | $3.0M | Sep 3 | -15.5% | SEC ↗ | |
| SVP, GLOBAL CONTROLLER | Sale | 40,000 | $4.0M | Aug 19 | -16.8% | SEC ↗ | |
| CHIEF FINANCIAL OFFICER | Sale | 6,001 | $600K | Aug 12 | -14.0% | SEC ↗ | |
| CHIEF EXECUTIVE OFFICER | Sale | 20,000 | $2.0M | Aug 11 | -13.4% | SEC ↗ | |
| SVP, GLOBAL CONTROLLER | Sale | 1,840 | $194K | Aug 5 | -19.6% | SEC ↗ | |
| CHIEF EXECUTIVE OFFICER | Sale | 20,000 | $2.4M | Jul 8 | — | SEC ↗ | |
| CHIEF FINANCIAL OFFICER | Sale | 5,000 | $611K | Jul 8 | — | SEC ↗ | |
| SVP, GLOBAL CONTROLLER | Sale | 2,721 | $327K | Jul 2 | — | SEC ↗ | |
Howe JolandaFirst in 3 months | SVP, GLOBAL CONTROLLER | Sale | 2,594 | $264K | Jun 18 | — | SEC ↗ |
| CHIEF FINANCIAL OFFICER | Sale | 5,000 | $469K | Jun 10 | — | SEC ↗ | |
| CHIEF EXECUTIVE OFFICER | Sale | 30,000 | $2.9M | Jun 2 | — | SEC ↗ | |
| Director | Sale | 3,977 | $398K | Jun 2 | — | SEC ↗ | |
| Director | Sale | 2,000 | $219K | May 19 | — | SEC ↗ | |
| Director | Sale | 2,000 | $194K | Apr 16 | — | SEC ↗ | |
| PRESIDENT AND COO | Sale | 16,515 | $1.5M | Mar 17 | — | SEC ↗ | |
| CHIEF EXECUTIVE OFFICER | Sale | 40,985 | $3.8M | Mar 17 | — | SEC ↗ | |
| SVP, GLOBAL CONTROLLER | Sale | 4,732 | $435K | Mar 17 | — | SEC ↗ | |
| Director | Sale | 2,000 | $182K | Mar 17 | — | SEC ↗ | |
| CHIEF MEDICAL OFFICER | Sale | 7,287 | $670K | Mar 17 | — | SEC ↗ | |
| CHIEF FINANCIAL OFFICER | Sale | 7,287 | $670K | Mar 17 | — | SEC ↗ | |
| Director | Sale | 2,000 | $204K | Feb 17 | — | SEC ↗ | |
| SVP, GLOBAL CONTROLLER | Sale | 968 | $100K | Feb 3 | — | SEC ↗ | |
| PRESIDENT AND COO | Sale | 2,631 | $272K | Feb 3 | — | SEC ↗ |
Earnings: last 7 quarters
Frequently asked questions
How many SEC Form 4 insider filings does MIRM have?
Mirum Pharmaceuticals, Inc. (MIRM) has 52 SEC Form 4 filings (108 transaction rows) in the rolling 365-day window, disclosed by 8 distinct insiders. Most recent filing: Oct 19, 2026.
When was the most recent SEC Form 4 filing for MIRM?
The most recent Form 4 filing for MIRM on Tracefour is dated Oct 19, 2026.
Who is the most active insider at MIRM?
The most active SEC Form 4 filer at MIRM in the rolling window is SVP, GLOBAL CONTROLLER Howe Jolanda, with 9 filings.
What is the net insider flow at MIRM over the last 6 months?
Over the trailing 180 days, insiders at MIRM have net sold $18.4M based on SEC Form 4 disclosures.
What is the total insider buy and sell value at MIRM in the current window?
Inside the rolling window, insiders at MIRM bought $9.0M and sold $42.2M based on SEC Form 4 filings.
Can I get alerts for MIRM insider trading?
Yes. Tracefour sends a free email when a new SEC Form 4 purchase or sale is filed at Mirum Pharmaceuticals, Inc. (MIRM). Alerts are set per company from the page itself, there is no paid tier, and each email links to the original filing on SEC EDGAR.
Related companies
Mirum Pharmaceuticals, Inc. is in the Healthcare sector.