Mirum Pharmaceuticals, Inc. (MIRM) Insider Ownership

Historic Insider Ownership Trends

Mirum Pharmaceuticals's top three insider shareholders as of April 17, 2026 are James E Flynn (TenPercentOwner, 3.24Mn shares), James E Flynn (TenPercentOwner, 3.24Mn shares), James E Flynn (TenPercentOwner, 3.24Mn shares).

Top Direct Holders

Insider ownership data is derived from the last 60 months of Form 4 SEC filings.
Holder Position Shares (Direct) Shares (Indirect) Report Date
James E Flynn - 0 3,244,434 08 Jun, 2022
James E Flynn - 0 3,244,434 08 Jun, 2022
James E Flynn - 0 3,244,434 08 Jun, 2022
Anthony A. Jr. Florence - 384 2,197,591 15 Jun, 2023
Mohamad Makhzoumi - 0 2,197,744 15 Jun, 2023
Forest Baskett - 0 2,187,791 15 Jun, 2023
Carmen Chang - 135 2,186,243 15 Jun, 2023
Ali Behbahani - 0 2,186,378 15 Jun, 2023
Paul Edward Walker - 0 2,186,357 15 Jun, 2023
Partners 16, L.P. Nea - 0 2,186,243 15 Jun, 2023
Enterprise Associates 16, L.P. New - 2,186,243 0 15 Jun, 2023
Patrick J Heron - 0 459,010 27 Jan, 2026
Christopher Peetz Chief Executive Officer 194,309 0 17 Mar, 2026
Christopher Peetz Chief Executive Officer 0 187,500 02 Jan, 2026
Michael G Grey Executive Chairman 0 186,410 01 Oct, 2024
Lara Longpre Chief Development Officer 104,407 0 05 Feb, 2024
Christopher Peetz President And Ceo 69,527 0 12 May, 2022
Eric Bjerkholt Chief Financial Officer 49,788 0 17 Mar, 2026
Edwin Jonathan Tucker Chief Medical Officer 45,838 0 15 Nov, 2021
Peter Radovich President And Coo 40,272 0 17 Mar, 2026
Ian Clements Chief Financial Officer 30,011 0 14 Nov, 2022
Pamela Vig Chief Scientific Officer 27,406 0 25 Jun, 2024
Joanne Quan Chief Medical Officer 18,864 0 17 Mar, 2026
Laura Brege - 15,703 0 12 Sep, 2025
Jolanda Howe Svp, Global Controller 8,429 0 17 Mar, 2026
Patrick J Heron - 5,703 0 02 Jun, 2025
Lon Cardon - 5,703 0 02 Jun, 2025
William Fairey - 2,500 0 12 Jun, 2025

* 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
15 Mar, 2026 Jolanda Howe Common Stock A 2,658 - 7,161 D M
15 Mar, 2026 Peter Radovich Common Stock A 7,220 - 33,787 D M
15 Mar, 2026 Eric Bjerkholt Common Stock A 13,334 - 57,075 D M
15 Mar, 2026 Christopher Peetz Common Stock A 25,000 - 185,294 D M
15 Mar, 2026 Joanne Quan Common Stock A 13,334 - 26,151 D M
15 Mar, 2026 Jolanda Howe Common Stock A 6,000 - 13,161 D M
15 Mar, 2026 Christopher Peetz Common Stock A 50,000 - 235,294 D M
16 Mar, 2026 Eric Bjerkholt Common Stock D 7,287 $91.98 49,788 D S
15 Mar, 2026 Peter Radovich Common Stock A 23,000 - 56,787 D M
16 Mar, 2026 Joanne Quan Common Stock D 7,287 $91.98 18,864 D S
16 Mar, 2026 Christopher Peetz Common Stock D 40,985 $91.98 194,309 D S
15 Mar, 2026 Eric Bjerkholt Performance Restricted Stock Units D 13,334 $0.00 6,666 D M
16 Mar, 2026 Peter Radovich Common Stock D 16,515 $91.98 40,272 D S
15 Mar, 2026 Joanne Quan Performance Restricted Stock Units D 13,334 $0.00 6,666 D M
16 Mar, 2026 Jolanda Howe Common Stock D 4,732 $91.98 8,429 D S
15 Mar, 2026 Peter Radovich Performance Restricted Stock Units D 7,220 $0.00 0 D M
15 Mar, 2026 Jolanda Howe Performance Restricted Stock Units D 2,658 $0.00 0 D M
15 Mar, 2026 Jolanda Howe Performance Restricted Stock Units D 6,000 $0.00 3,000 D M
15 Mar, 2026 Christopher Peetz Performance Restricted Stock Units D 25,000 $0.00 0 D M
15 Mar, 2026 Peter Radovich Performance Restricted Stock Units D 23,000 $0.00 11,500 D M