Mirum Pharmaceuticals, Inc. (MIRM) Insider Ownership

Historic Insider Ownership Trends

Mirum Pharmaceuticals's three largest insider shareholders as of March 23, 2026 are Enterprise Associates 16, L.P. New (TenPercentOwner, 2.19Mn shares), Partners 16, L.P. Nea (TenPercentOwner, 2.19Mn shares), Niall O'Donnell (Director, 1.62Mn 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
Enterprise Associates 16, L.P. New 2,186,243 0 15 Jun, 2023
Partners 16, L.P. Nea 0 2,186,243 15 Jun, 2023
Niall O'Donnell 0 1,621,118 15 Nov, 2022
Christopher Peetz Chief Executive Officer 194,309 0 17 Mar, 2026
Christopher Peetz Chief Executive Officer 0 187,500 02 Jan, 2026
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
Pamela Vig Chief Scientific Officer 27,406 0 25 Jun, 2024
Joanne Quan Chief Medical Officer 18,864 0 17 Mar, 2026
Anthony A. Jr. Florence 384 11,348 15 Jun, 2023
Scott D Sandell 0 11,348 15 Jun, 2023
Jolanda Howe Svp, Global Controller 8,429 0 17 Mar, 2026
Timothy P Walbert 5,703 0 02 Jun, 2025
Forest Baskett 0 1,548 15 Jun, 2023
Ali Behbahani 0 135 15 Jun, 2023
Carmen Chang 135 0 15 Jun, 2023
Paul Edward Walker 0 114 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
16 Mar, 2026 Saira Ramasastry Common Stock A 2,000 $23.51 2,000 D M
15 Mar, 2026 Peter Radovich Common Stock A 7,220 - 33,787 D M
15 Mar, 2026 Joanne Quan Common Stock A 13,334 - 26,151 D M
15 Mar, 2026 Jolanda Howe Common Stock A 2,658 - 7,161 D M
15 Mar, 2026 Christopher Peetz Common Stock A 25,000 - 185,294 D M
15 Mar, 2026 Eric Bjerkholt Common Stock A 13,334 - 57,075 D M
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
15 Mar, 2026 Jolanda Howe Common Stock A 6,000 - 13,161 D M
16 Mar, 2026 Saira Ramasastry Common Stock D 2,000 $90.76 0 D S
16 Mar, 2026 Eric Bjerkholt Common Stock D 7,287 $91.98 49,788 D S
15 Mar, 2026 Christopher Peetz Common Stock A 50,000 - 235,294 D M
15 Mar, 2026 Eric Bjerkholt 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
16 Mar, 2026 Christopher Peetz Common Stock D 40,985 $91.98 194,309 D S
15 Mar, 2026 Joanne Quan 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
16 Mar, 2026 Saira Ramasastry Stock Option (right to buy) D 2,000 $0.00 4,000 D M
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