Mirum Pharmaceuticals's top three insider shareholders as of May 04, 2026 are James E Flynn (TenPercentOwner, 3.24Mn shares), James E Flynn (TenPercentOwner, 3.24Mn shares), James E Flynn (TenPercentOwner, 3.24Mn shares).
| 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 |
| 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 |
| Scott D Sandell | - | 0 | 2,199,372 | 15 Jun, 2023 |
| 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 |
| Ali Behbahani | - | 0 | 2,186,378 | 15 Jun, 2023 |
| Carmen Chang | - | 135 | 2,186,243 | 15 Jun, 2023 |
| Paul Edward Walker | - | 0 | 2,186,357 | 15 Jun, 2023 |
| Paul Edward Walker | - | 0 | 2,186,357 | 15 Jun, 2023 |
| 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 |
| 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 |
| Niall O'Donnell | - | 0 | 1,621,118 | 15 Nov, 2022 |
| 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 | 194,309 | 0 | 17 Mar, 2026 |
| Christopher Peetz | Chief Executive Officer | 0 | 187,500 | 02 Jan, 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 |
| 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 |
| Edwin Jonathan Tucker | Chief Medical Officer | 45,838 | 0 | 15 Nov, 2021 |
| Peter Radovich | President And Coo | 40,272 | 0 | 17 Mar, 2026 |
| 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 |
| Pamela Vig | Chief Scientific Officer | 27,406 | 0 | 25 Jun, 2024 |
| Joanne Quan | Chief Medical Officer | 18,864 | 0 | 17 Mar, 2026 |
| 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 |
| Lon Cardon | - | 5,703 | 0 | 02 Jun, 2025 |
| Patrick J Heron | - | 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.
| Transaction Date | Insider Name | Security Class | Transaction Type | Shares Traded | Price | Shares Remaining | Ownership | Code |
|---|---|---|---|---|---|---|---|---|
| 15 Apr, 2026 | Saira Ramasastry | Common Stock | A | 2,000 | $23.51 | 2,000 | D | M |
| 15 Apr, 2026 | Saira Ramasastry | Common Stock | D | 2,000 | $96.90 | 0 | D | S |
| 15 Apr, 2026 | Saira Ramasastry | Stock Option (right to buy) | D | 2,000 | $0.00 | 2,000 | 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 |
| 16 Mar, 2026 | Saira Ramasastry | Common Stock | A | 2,000 | $23.51 | 2,000 | D | M |
| 15 Mar, 2026 | Joanne Quan | Common Stock | A | 13,334 | - | 26,151 | 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 | Christopher Peetz | Common Stock | A | 25,000 | - | 185,294 | D | M |
| 15 Mar, 2026 | Jolanda Howe | Common Stock | A | 2,658 | - | 7,161 | 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 |
| 16 Mar, 2026 | Joanne Quan | Common Stock | D | 7,287 | $91.98 | 18,864 | D | S |
| 15 Mar, 2026 | Peter Radovich | Common Stock | A | 23,000 | - | 56,787 | D | M |
| 16 Mar, 2026 | Saira Ramasastry | Common Stock | D | 2,000 | $90.76 | 0 | D | S |
| 15 Mar, 2026 | Peter Radovich | Common Stock | A | 23,000 | - | 56,787 | D | M |
| 15 Mar, 2026 | Christopher Peetz | Common Stock | A | 50,000 | - | 235,294 | D | M |
| 15 Mar, 2026 | Jolanda Howe | Common Stock | A | 6,000 | - | 13,161 | D | M |