Mirum Pharmaceuticals, Inc.
MIRM- Exchange
- Nasdaq
- Industry
- Pharmaceutical Preparations
- SEC CIK
- 0001759425
In the last 90 days, Mirum Pharmaceuticals, Inc. insiders filed 0 open-market purchases and 10 sales; 336 institutions reported holding it in 13F filings for Q2 2026, worth $8.64B in total; no superinvestor holds it.
Open-market trades, last 90 days
Open-market purchases (P) and sales (S) by Mirum Pharmaceuticals, Inc. insiders, counted by Form 4 filing. Trades with a flagged price and duplicate filings are left out.
- Open-market buys
- 0 filings
- Open-market sells
- 10 filings
- 3 insiders, $14.2M in total
- Insiders trading
- 3
- Net value
- −$14.2M
- Purchases minus sales
Insider roster
Directors, officers and 10% owners who have filed a Form 4 for Mirum Pharmaceuticals, Inc., current and former, most recent filer first. Last reported holding is the position after the last non-derivative trade in their latest filing.
| Name | Title | Last reported holding | Last filing | Filings, past year |
|---|---|---|---|---|
| Bjerkholt Eric | CHIEF FINANCIAL OFFICER | 44,745 | Sep 15, 2026 | 8 |
| Howe Jolanda | SVP, GLOBAL CONTROLLER | 616 | Sep 3, 2026 | 10 |
| Peetz Christopher | CHIEF EXECUTIVE OFFICER | 194,440 | Sep 3, 2026 | 11 |
| Grey Michael G | Director | 0 | Jun 17, 2026 | 4 |
| Walbert Timothy P | Director | 9,680 | Jun 17, 2026 | 2 |
| Heron Patrick J | Director | 459,010Indirect | Jun 17, 2026 | 2 |
| Brege Laura | Director | 15,703 | Jun 17, 2026 | 1 |
| Fischer Laurent | Director | 10,727 | Jun 17, 2026 | 2 |
| Ramasastry Saira | Director | 0 | Jun 17, 2026 | 9 |
| Fairey William | Director | 2,500 | Jun 17, 2026 | 1 |
| Cardon Lon | Director | 9,680 | Jun 17, 2026 | 2 |
| Radovich Peter | PRESIDENT AND COO | 57,260 | Jun 8, 2026 | 7 |
| Quan Joanne | CHIEF MEDICAL OFFICER | 18,864 | Mar 17, 2026 | 4 |
| Vig Pamela | CHIEF SCIENTIFIC OFFICER | 27,406 | Jun 25, 2024 | 0 |
| Longpre Lara | CHIEF DEVELOPMENT OFFICER | 104,369 | Mar 18, 2024 | 0 |
| NEA Partners 16, L.P. | 10% Owner | 0 | Jun 15, 2023 | 0 |
| Nea 16 GP, LLC | 10% Owner | 0 | Jun 15, 2023 | 0 |
| Sandell Scott D | 10% Owner | 11,348Indirect | Jun 15, 2023 | 0 |
| Baskett Forest | 10% Owner | 1,548Indirect | Jun 15, 2023 | 0 |
| Walker Paul Edward | 10% Owner | 114Indirect | Jun 15, 2023 | 0 |
| Florence Anthony A. Jr. | 10% Owner | 11,348Indirect | Jun 15, 2023 | 0 |
| Behbahani Ali | 10% Owner | 135Indirect | Jun 15, 2023 | 0 |
| Makhzoumi Mohamad | 10% Owner | 11,348Indirect | Jun 15, 2023 | 0 |
| New Enterprise Associates 16, L.P. | 10% Owner | 2,186,243 | Jun 15, 2023 | 0 |
| Chang Carmen | 10% Owner | 135 | Jun 15, 2023 | 0 |
| O'Donnell Niall | Director | 1,621,118Indirect | Nov 15, 2022 | 0 |
| Clements Ian | Chief Financial Officer | 30,011 | Nov 14, 2022 | 0 |
| Deerfield Management Company, L.P. | 10% Owner, Other: * Possible Member of 10% Group | 1,540,190Indirect | Jun 8, 2022 | 0 |
| Flynn James E | 10% Owner, Other: * Possible Member of 10% Group | 1,540,190Indirect | Jun 8, 2022 | 0 |
| Deerfield Healthcare Innovations Fund, L.P. | 10% Owner, Other: * Possible Member of 10% Group | 1,540,190Indirect | Jun 8, 2022 | 0 |
| Deerfield Mgmt HIF, L.P. | 10% Owner, Other: * Possible Member of 10% Group | 1,540,190Indirect | Jun 8, 2022 | 0 |
| Deerfield Private Design Fund IV, L.P. | 10% Owner, Other: * Possible Member of 10% Group | 1,540,190Indirect | Jun 8, 2022 | 0 |
| Deerfield Mgmt IV, L.P. | 10% Owner, Other: * Possible Member of 10% Group | 1,540,190Indirect | Jun 8, 2022 | 0 |
| Mathers Edward T | Director | – | Jun 6, 2022 | 0 |
| Brosgart Carol L | Director | – | Jun 6, 2022 | 0 |
| Tucker Edwin Jonathan | Chief Medical Officer | 45,838 | Nov 15, 2021 | 0 |
| Deerfield Mgmt L.P. | 10% Owner, Other: * Possible Member of 10% Group | 0Indirect | Jul 13, 2021 | 0 |
| Deerfield Special Situations Fund, L.P. | 10% Owner, Other: * Possible Member of 10% Group | 0Indirect | Jul 13, 2021 | 0 |
Insider trades
Each row adds up one type of transaction in one Form 4 filing. Only open-market purchases (P) and sales (S) are shown by default; use the filters to see grants, option exercises and other codes.
| Filed (ET) | Trade date | Filing delay | Insider | Transaction | Shares | Avg price | Value | Holding change | Flags |
|---|---|---|---|---|---|---|---|---|---|
| Sep 15, 2026 (view filing)4:10 PM ET | Sep 14 | 1 day | Bjerkholt EricCHIEF FINANCIAL OFFICER | SSale | −9.94K | $98.37 | −$978.1K | −18.2%44.7K after | |
| Sep 3, 2026 (view filing)6:54 PM ET | Sep 2 | 1 day | Howe JolandaSVP, GLOBAL CONTROLLER | SSale | −658 | $100.00 | −$65.8K | −51.6%616 after | 10b5-1 |
| Sep 3, 2026 (view filing)6:52 PM ET | Sep 1 | 2 days | Peetz ChristopherCHIEF EXECUTIVE OFFICER | SSale | −30.0K | $98.68 | −$2.96M | −13.4%194.4K after | 2 lots10b5-1 |
| Aug 19, 2026 (view filing)6:19 PM ET | Aug 18 | 1 day | Howe JolandaSVP, GLOBAL CONTROLLER | SSale | −40.0K | $100.00 | −$4.00M | −96.9%1.27K after | |
| Aug 12, 2026 (view filing)5:14 PM ET | Aug 11 | 1 day | Bjerkholt EricCHIEF FINANCIAL OFFICER | SSale | −6.00K | $99.90 | −$599.5K | −14.2%36.4K after | 10b5-1 |
| Aug 11, 2026 (view filing)5:41 PM ET | Aug 10 | 1 day | Peetz ChristopherCHIEF EXECUTIVE OFFICER | SSale | −20.0K | $98.92 | −$1.98M | −9.3%194.3K after | 3 lots10b5-1 |
| Aug 5, 2026 (view filing)4:26 PM ET | Aug 3 | 2 days | Howe JolandaSVP, GLOBAL CONTROLLER | SSale | −1.84K | $105.29 | −$193.7K | −59.1%1.27K after | 10b5-1 |
| Jul 8, 2026 (view filing)5:12 PM ET | Jul 6 | 2 days | Peetz ChristopherCHIEF EXECUTIVE OFFICER | SSale | −20.0K | $122.27 | −$2.45M | −9.3%194.3K after | 4 lots10b5-1 |
| Jul 8, 2026 (view filing)5:07 PM ET | Jul 6 | 2 days | Bjerkholt EricCHIEF FINANCIAL OFFICER | SSale | −5.00K | $122.25 | −$611.3K | −10.6%42.2K after | 4 lots10b5-1 |
| Jul 2, 2026 (view filing)6:01 PM ET | Jul 1 | 1 day | Howe JolandaSVP, GLOBAL CONTROLLER | SSale | −2.72K | $120.00 | −$326.5K | −46.6%3.11K after | 10b5-1 |
| Jun 18, 2026 (view filing) | Jun 17 | 1 day | Howe JolandaSVP, GLOBAL CONTROLLER | SSale | −2.59K | $101.95 | −$264.5K | −30.8%5.83K after | 10b5-1 |
| Jun 9, 2026 (view filing) | Jun 8 | 1 day | Bjerkholt EricCHIEF FINANCIAL OFFICER | SSale | −5.00K | $93.82 | −$469.1K | −10.0%44.8K after | 3 lots10b5-1 |
| Jun 2, 2026 (view filing) | Jun 1 | 1 day | Peetz ChristopherCHIEF EXECUTIVE OFFICER | SSale | −30.0K | $95.84 | −$2.88M | −13.4%194.3K after | 6 lots10b5-1 |
| Jun 2, 2026 (view filing) | Jun 1 | 1 day | Ramasastry SairaDirector | SSale | −3.98K | $100.00 | −$397.7K | −100.0%0 after | |
| May 18, 2026 (view filing) | May 15 | 3 days | Ramasastry SairaDirector | SSale | −2.00K | $109.47 | −$218.9K | −100.0%0 after | 10b5-1 |
| Apr 16, 2026 (view filing) | Apr 15 | 1 day | Ramasastry SairaDirector | SSale | −2.00K | $96.90 | −$193.8K | −100.0%0 after | 10b5-1 |
| Mar 17, 2026 (view filing) | Mar 16 | 1 day | Howe JolandaSVP, GLOBAL CONTROLLER | SSale | −4.73K | $91.98 | −$435.2K | −36.0%8.43K after | |
| Mar 17, 2026 (view filing) | Mar 16 | 1 day | Quan JoanneCHIEF MEDICAL OFFICER | SSale | −7.29K | $91.98 | −$670.3K | −27.9%18.9K after | |
| Mar 17, 2026 (view filing) | Mar 16 | 1 day | Radovich PeterPRESIDENT AND COO | SSale | −16.5K | $91.98 | −$1.52M | −29.1%40.3K after | |
| Mar 17, 2026 (view filing) | Mar 16 | 1 day | Peetz ChristopherCHIEF EXECUTIVE OFFICER | SSale | −41.0K | $91.98 | −$3.77M | −17.4%194.3K after | |
| Mar 17, 2026 (view filing) | Mar 16 | 1 day | Ramasastry SairaDirector | SSale | −2.00K | $90.76 | −$181.5K | −100.0%0 after | 10b5-1 |
| Mar 17, 2026 (view filing) | Mar 16 | 1 day | Bjerkholt EricCHIEF FINANCIAL OFFICER | SSale | −7.29K | $91.98 | −$670.3K | −12.8%49.8K after | |
| Feb 17, 2026 (view filing) | Feb 13 | 4 days | Ramasastry SairaDirector | SSale | −2.00K | $102.09 | −$204.2K | −100.0%0 after | 10b5-1 |
| Feb 3, 2026 (view filing) | Feb 2 | 1 day | Howe JolandaSVP, GLOBAL CONTROLLER | SSale | −968 | $103.30 | −$100.0K | −17.7%4.50K after | |
| Feb 3, 2026 (view filing) | Feb 2 | 1 day | Radovich PeterPRESIDENT AND COO | SSale | −2.63K | $103.30 | −$271.8K | −11.3%20.7K after | |
| Feb 3, 2026 (view filing) | Feb 2 | 1 day | Peetz ChristopherCHIEF EXECUTIVE OFFICER | SSale | −9.11K | $103.30 | −$940.9K | −5.4%160.3K after | |
| Jan 27, 2026 (view filing) | Jan 26 | 1 day | Howe JolandaSVP, GLOBAL CONTROLLER | SSale | −842 | $96.19 | −$81.0K | −18.5%3.70K after | |
| Jan 27, 2026 (view filing) | Jan 26 | 1 day | Radovich PeterPRESIDENT AND COO | SSale | −3.14K | $96.19 | −$302.3K | −11.9%23.3K after | |
| Jan 27, 2026 (view filing) | Jan 26 | 1 day | Peetz ChristopherCHIEF EXECUTIVE OFFICER | SSale | −6.83K | $96.19 | −$657.1K | −3.9%169.4K after | |
| Jan 27, 2026 (view filing) | Jan 23 | 4 days | Heron Patrick JDirector | PPurchase | +131.4K | $68.48 | +$9.00M | +40.1%459.0K after | |
| Jan 27, 2026 (view filing) | Jan 26 | 1 day | Bjerkholt EricCHIEF FINANCIAL OFFICER | SSale | −1.05K | $96.19 | −$101.3K | −2.4%43.7K after | |
| Jan 23, 2026 (view filing) | Jan 22 | 1 day | Howe JolandaSVP, GLOBAL CONTROLLER | SSale | −926 | $93.33 | −$86.4K | −23.3%3.04K after | |
| Jan 23, 2026 (view filing) | Jan 22 | 1 day | Quan JoanneCHIEF MEDICAL OFFICER | SSale | −1.82K | $93.33 | −$170.0K | −12.4%12.8K after | |
| Jan 23, 2026 (view filing) | Jan 22 | 1 day | Radovich PeterPRESIDENT AND COO | SSale | −2.38K | $93.33 | −$222.3K | −10.3%20.7K after | |
| Jan 23, 2026 (view filing) | Jan 22 | 1 day | Peetz ChristopherCHIEF EXECUTIVE OFFICER | SSale | −7.10K | $93.33 | −$662.5K | −4.2%163.7K after | |
| Jan 23, 2026 (view filing) | Jan 22 | 1 day | Bjerkholt EricCHIEF FINANCIAL OFFICER | SSale | −1.42K | $93.33 | −$132.6K | −3.3%42.1K after | |
| Jan 21, 2026 (view filing) | Jan 20 | 1 day | Quan JoanneCHIEF MEDICAL OFFICER | SSale | −6.91K | $90.27 | −$623.9K | −37.9%11.3K after | |
| Jan 16, 2026 (view filing) | Jan 15 | 1 day | Ramasastry SairaDirector | SSale | −2.00K | $90.99 | −$182.0K | −100.0%0 after | 10b5-1 |
| Dec 23, 2025 (view filing) | Dec 22 | 1 day | Ramasastry SairaDirector | SSale | −5.00K | $80.00 | −$400.0K | −100.0%0 after | 10b5-1 |
| Dec 23, 2025 (view filing) | Dec 19 | 4 days | Grey Michael GDirector | SSale | −50.0K | $78.00 | −$3.90M | −100.0%0 after | 10b5-1 |
| Dec 19, 2025 (view filing) | Dec 18 | 1 day | Ramasastry SairaDirector | SSale | −2.00K | $69.73 | −$139.5K | −100.0%0 after | 2 lots10b5-1 |
| Dec 2, 2025 (view filing) | Dec 1 | 1 day | Grey Michael GDirector | SSale | −50.0K | $74.00 | −$3.70M | −100.0%0 after | 10b5-1 |
| Nov 25, 2025 (view filing) | Nov 21 | 4 days | Grey Michael GDirector | SSale | −50.0K | $70.00 | −$3.50M | −100.0%0 after | 10b5-1 |
| Sep 12, 2025 (view filing) | Sep 11 | 1 day | Brege LauraDirector | SSale | −17.0K | $74.40 | −$1.26M | −52.0%15.7K after | 2 lots |
| Sep 12, 2025 (view filing) | Sep 12 | Same day | Bjerkholt EricCHIEF FINANCIAL OFFICER | SSale | −9.58K | $76.01 | −$728.0K | −19.3%39.9K after | |
| Sep 10, 2025 (view filing) | Sep 8 | 2 days | Ramasastry SairaDirector | SSale | −17.0K | – | – | −100.0%0 after | |
| Aug 12, 2025 (view filing) | Aug 11 | 1 day | Bjerkholt EricCHIEF FINANCIAL OFFICER | SSale | −8.00K | – | – | −22.1%28.2K after | |
| Aug 12, 2025 (view filing) | Aug 11 | 1 day | Peetz ChristopherCHIEF EXECUTIVE OFFICER | SSale | −40.0K | $62.00 | −$2.48M | −22.4%138.6K after | 10b5-1 |
| Aug 8, 2025 (view filing) | Aug 7 | 1 day | Howe JolandaSVP, GLOBAL CONTROLLER | SSale | −10.0K | $58.00 | −$580.0K | −80.5%2.43K after | 10b5-1 |
| Aug 8, 2025 (view filing) | Aug 7 | 1 day | Peetz ChristopherCHIEF EXECUTIVE OFFICER | SSale | −40.0K | $55.25 | −$2.21M | −22.4%138.6K after | 10b5-1 |