MIRM
Mirum Pharmaceuticals, Inc.
NASDAQ · Healthcare · Biotechnology · US
$100.90
+0.27%0
Insider buys (3m)
22
Insider sells (3m)
-$13.9M
Net value (3m)
+8.2%
Price return (3m)
Form 4 filings
| Date | Insider | Activity | Shares | Price |
|---|---|---|---|---|
| Sep 3, 2026 | Peetz Christopher · director, officer: CHIEF EXECUTIVE OFFICER | Sale | 21,688 | $99 |
| Sep 3, 2026 | Peetz Christopher · director, officer: CHIEF EXECUTIVE OFFICER | Sale | 8,312 | $98 |
| Sep 3, 2026 | Peetz Christopher · director, officer: CHIEF EXECUTIVE OFFICER | M-Exempt | 30,000 | $2.94 |
| Sep 3, 2026 | Howe Jolanda · officer: SVP, GLOBAL CONTROLLER | Sale | 658 | $100 |
| Aug 19, 2026 | Howe Jolanda · officer: SVP, GLOBAL CONTROLLER | M-Exempt | 40,000 | $6.27 |
| Aug 19, 2026 | Howe Jolanda · officer: SVP, GLOBAL CONTROLLER | Sale | 40,000 | $100 |
| Aug 12, 2026 | BJERKHOLT ERIC · officer: CHIEF FINANCIAL OFFICER | Sale | 6,001 | $100 |
| Aug 11, 2026 | Peetz Christopher · director, officer: CHIEF EXECUTIVE OFFICER | Sale | 2,300 | $100 |
| Aug 11, 2026 | Peetz Christopher · director, officer: CHIEF EXECUTIVE OFFICER | Sale | 11,683 | $99 |
| Aug 11, 2026 | Peetz Christopher · director, officer: CHIEF EXECUTIVE OFFICER | M-Exempt | 20,000 | $2.94 |
| Aug 11, 2026 | Peetz Christopher · director, officer: CHIEF EXECUTIVE OFFICER | Sale | 6,017 | $99 |
| Aug 5, 2026 | Howe Jolanda · officer: SVP, GLOBAL CONTROLLER | Sale | 1,840 | $105 |
| Jul 8, 2026 | Peetz Christopher · director, officer: CHIEF EXECUTIVE OFFICER | Sale | 12,134 | $122 |
| Jul 8, 2026 | BJERKHOLT ERIC · officer: CHIEF FINANCIAL OFFICER | Sale | 300 | $125 |
| Jul 8, 2026 | Peetz Christopher · director, officer: CHIEF EXECUTIVE OFFICER | Sale | 4,181 | $122 |
| Jul 8, 2026 | BJERKHOLT ERIC · officer: CHIEF FINANCIAL OFFICER | Sale | 1,048 | $122 |
| Jul 8, 2026 | Peetz Christopher · director, officer: CHIEF EXECUTIVE OFFICER | M-Exempt | 20,000 | $2.94 |
| Jul 8, 2026 | BJERKHOLT ERIC · officer: CHIEF FINANCIAL OFFICER | Sale | 3,124 | $122 |
| Jul 8, 2026 | Peetz Christopher · director, officer: CHIEF EXECUTIVE OFFICER | Sale | 1,975 | $124 |
| Jul 8, 2026 | BJERKHOLT ERIC · officer: CHIEF FINANCIAL OFFICER | Sale | 528 | $124 |
| Jul 8, 2026 | Peetz Christopher · director, officer: CHIEF EXECUTIVE OFFICER | Sale | 1,710 | $125 |
| Jul 2, 2026 | Howe Jolanda · officer: SVP, GLOBAL CONTROLLER | Sale | 2,721 | $120 |
| Jun 18, 2026 | Howe Jolanda · officer: SVP, GLOBAL CONTROLLER | Sale | 2,594 | $102 |
| Jun 17, 2026 | Cardon Lon · director | A-Award | 1,980 | $0.00 |
| Jun 17, 2026 | Ramasastry Saira · director | A-Award | 3,772 | $101 |
| Jun 17, 2026 | Walbert Timothy P · director | A-Award | 3,772 | $101 |
| Jun 17, 2026 | Heron Patrick J · director | A-Award | 3,772 | $101 |
| Jun 17, 2026 | Ramasastry Saira · director | A-Award | 1,980 | $0.00 |
| Jun 17, 2026 | Fairey William · director | A-Award | 3,772 | $101 |
| Jun 17, 2026 | Brege Laura · director | A-Award | 3,772 | $101 |
Institutional positioning
13F filings over the trailing two quarters
New 132Increased 245Reduced 192Sold out 42
| Filer | Action | Shares | Filed |
|---|---|---|---|
| FRAZIER LIFE SCIENCES MANAGEMENT, L.P. | Increased | 7,679,684 | May 15, 2026 |
| Frazier Life Sciences Management, L.P. | Unchanged | 7,679,684 | Aug 14, 2026 |
| JANUS HENDERSON GROUP PLC | Increased | 6,945,813 | May 18, 2026 |
| Jupiter Topco LLC | New Position | 5,909,184 | Aug 14, 2026 |
| BlackRock, Inc. | Increased | 4,390,063 | Aug 7, 2026 |
| BLACKROCK, INC. | Increased | 3,846,530 | May 13, 2026 |
| FMR LLC | Increased | 3,670,314 | Aug 13, 2026 |
| PRICE T ROWE ASSOCIATES INC /MD/ | Increased | 2,655,607 | Aug 14, 2026 |
| VANGUARD CAPITAL MANAGEMENT LLC | New Position | 2,414,776 | May 15, 2026 |
| VANGUARD PORTFOLIO MANAGEMENT LLC | Increased | 2,377,019 | Aug 13, 2026 |
| VANGUARD CAPITAL MANAGEMENT LLC | Reduced | 2,254,109 | Aug 13, 2026 |
| STATE STREET CORP | Increased | 2,170,689 | Aug 7, 2026 |
| FMR LLC | Increased | 1,965,375 | May 15, 2026 |
| STATE STREET CORP | Reduced | 1,944,281 | May 15, 2026 |
| PRICE T ROWE ASSOCIATES INC /MD/ | Increased | 1,717,421 | May 15, 2026 |
Insider activity from SEC Form 4; institutional positioning from 13F filings · Latest filing Sep 3, 2026