Mirum Pharmaceuticals, Inc. (MIRM) Insider Ownership

Historic Insider Ownership Trends

Over the 90-day window ending February 07, 2026, Mirum Pharmaceuticals's three dominant insider ownership positions are held by TenPercentOwner Enterprise Associates 16, L.P. New (2.19Mn shares), TenPercentOwner Partners 16, L.P. Nea (2.19Mn shares), Director Niall O'Donnell (1.62Mn shares).

Top Direct Holders

Insider ownership data is derived from the last 60 months of Form 4 SEC filings.
Holder Position Shares Report Date
Enterprise Associates 16, L.P. New 2,186,243 15 Jun, 2023
Partners 16, L.P. Nea 2,186,243 15 Jun, 2023
Niall O'Donnell 1,621,118 15 Nov, 2022
James E Flynn 1,540,190 08 Jun, 2022
Patrick J Heron 464,713 02 Jun, 2025
Christopher Peetz Chief Executive Officer 347,794 03 Feb, 2026
Michael G Grey 186,410 23 Dec, 2025
Lara Longpre Chief Development Officer 104,407 05 Feb, 2024
Edwin Jonathan Tucker Chief Medical Officer 45,838 15 Nov, 2021
Eric Bjerkholt Chief Financial Officer 43,741 27 Jan, 2026
Ian Clements Chief Financial Officer 30,011 14 Nov, 2022
Pamela Vig Chief Scientific Officer 27,406 25 Jun, 2024
Peter Radovich President And Coo 20,655 03 Feb, 2026
Laura Brege 15,703 12 Sep, 2025
Joanne Quan Chief Medical Officer 12,817 23 Jan, 2026
Anthony A. Jr. Florence 11,732 15 Jun, 2023
Mohamad Makhzoumi 11,348 15 Jun, 2023
Scott D Sandell 11,348 15 Jun, 2023
Lon Cardon 5,703 02 Jun, 2025
Timothy P Walbert 5,703 02 Jun, 2025
Jolanda Howe Svp And Global Controller 4,503 03 Feb, 2026
William Fairey 2,500 13 Jun, 2025
Forest Baskett 1,548 15 Jun, 2023
Carmen Chang 135 15 Jun, 2023
Ali Behbahani 135 15 Jun, 2023
Paul Edward Walker 114 15 Jun, 2023

* Please note that the shares above only reflect shares from the fund portfolio and the institutional portfolio. Shares from the personal portfolio are excluded from this Institutional Ownership Page. See these insiders' latest transactions here on Insider Page.

Recent Insider Transactions

Detailed insider trading activity based on Form 4 SEC filings.
Download Data
Transaction Date Insider Name Security Class Transaction Type Shares Traded Price Shares Remaining Ownership Code
02 Feb, 2026 Christopher Peetz Common Stock D 9,108 $103.30 160,294 D S
02 Feb, 2026 Peter Radovich Common Stock D 2,631 $103.30 20,655 D S
02 Feb, 2026 Jolanda Howe Common Stock D 968 $103.30 4,503 D S
31 Jan, 2026 Jolanda Howe Common Stock A 1,771 - 5,471 D M
26 Jan, 2026 Eric Bjerkholt Common Stock D 1,053 $96.19 43,741 D S
26 Jan, 2026 Christopher Peetz Common Stock D 6,831 $96.19 169,402 D S
26 Jan, 2026 Peter Radovich Common Stock D 3,143 $96.19 23,286 D S
26 Jan, 2026 Jolanda Howe Common Stock D 842 $96.19 3,700 D S
23 Jan, 2026 Eric Bjerkholt Common Stock A 2,667 - 44,794 D M
23 Jan, 2026 Patrick J Heron Common Stock A 159,277 - 327,585 I J
23 Jan, 2026 Patrick J Heron Common Stock A 131,425 $68.48 459,010 I P
23 Jan, 2026 Christopher Peetz Common Stock A 12,500 - 176,233 D M
23 Jan, 2026 Peter Radovich Common Stock A 5,750 - 26,429 D M
23 Jan, 2026 Jolanda Howe Common Stock A 1,500 - 4,542 D M
22 Jan, 2026 Eric Bjerkholt Common Stock D 1,421 $93.33 42,127 D S
22 Jan, 2026 Christopher Peetz Common Stock D 7,098 $93.33 163,733 D S
22 Jan, 2026 Peter Radovich Common Stock D 2,382 $93.33 20,679 D S
22 Jan, 2026 Joanne Quan Common Stock D 1,822 $93.33 12,817 D S
22 Jan, 2026 Jolanda Howe Common Stock D 926 $93.33 3,042 D S
21 Jan, 2026 Eric Bjerkholt Common Stock A 3,334 - 43,548 D M