BMRN's three largest insider shareholders as of April 17, 2026 are Jean Jacques Bienaime (Chief Executive Officer, 473.79K shares), Jean Jacques Bienaime (Chief Executive Officer, 247.43K shares), Alexander Hardy (Chief Executive Officer, 214.63K shares).
| Holder | Position | Shares (Direct) | Shares (Indirect) | Report Date |
|---|---|---|---|---|
| Jean Jacques Bienaime | Chief Executive Officer | 473,792 | 0 | 21 May, 2024 |
| Jean Jacques Bienaime | Chief Executive Officer | 0 | 247,433 | 14 Feb, 2023 |
| Alexander Hardy | Chief Executive Officer | 214,635 | 0 | 19 Mar, 2026 |
| Henry J Fuchs | President, Worldwide Rd | 185,074 | 0 | 17 Sep, 2024 |
| Richard A Meier | - | 127,426 | 0 | 22 May, 2025 |
| Brian Mueller | Evp, Chief Financial Officer | 123,314 | 0 | 19 Mar, 2026 |
| Charles Greg Guyer | Evp, Chief Technical Officer | 84,140 | 0 | 19 Mar, 2026 |
| George Eric Davis | Evp, Chief Legal Officer | 78,560 | 0 | 19 Mar, 2026 |
| Jeffrey Robert Ajer | Evp, Chief Commercial Officer | 66,767 | 0 | 06 May, 2024 |
| Gregory R Friberg | Evp, Chief Rd Officer | 55,099 | 0 | 18 Mar, 2026 |
| David E I Pyott | - | 49,750 | 0 | 23 May, 2024 |
| Cristin Hubbard | Evp, Chief Commercial Officer | 44,790 | 0 | 18 Mar, 2026 |
| Robert J. Hombach | - | 41,870 | 0 | 22 May, 2025 |
| Willard H Dere | - | 38,950 | 0 | 22 May, 2025 |
| Elizabeth M Anderson | - | 34,450 | 0 | 22 May, 2025 |
| V Bryan Lawlis | - | 33,140 | 0 | 24 May, 2023 |
| Dennis Slamon | - | 31,299 | 0 | 20 Mar, 2024 |
| Maykin Ho | - | 28,010 | 0 | 22 May, 2025 |
| Rashmi Virendra Ramchandani | Vp, Chief Accounting Officer | 25,610 | 0 | 22 Jan, 2026 |
| Mark J Alles | - | 15,095 | 0 | 24 May, 2023 |
| Erin Burkhart | Gvp, Chief Accounting Officer | 14,173 | 0 | 20 May, 2025 |
| Barbara W. Bodem | - | 13,555 | 0 | 22 May, 2025 |
| Mark J Enyedy | - | 13,550 | 0 | 22 May, 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 |
|---|---|---|---|---|---|---|---|---|
| 17 Mar, 2026 | Brian Mueller | Common Stock | D | 2,117 | $56.05 | 123,314 | D | F |
| 18 Mar, 2026 | George Eric Davis | Common Stock | D | 1,273 | $56.05 | 78,560 | D | F |
| 17 Mar, 2026 | Alexander Hardy | Common Stock | D | 4,252 | $56.05 | 214,635 | D | F |
| 17 Mar, 2026 | Charles Greg Guyer | Common Stock | D | 1,693 | $56.05 | 84,140 | D | F |
| 16 Mar, 2026 | Cristin Hubbard | Common Stock | A | 15,410 | $0.00 | 46,035 | D | A |
| 16 Mar, 2026 | Gregory R Friberg | Common Stock | A | 19,150 | $0.00 | 56,728 | D | A |
| 17 Mar, 2026 | Cristin Hubbard | Common Stock | D | 1,245 | $56.05 | 44,790 | D | F |
| 17 Mar, 2026 | Gregory R Friberg | Common Stock | D | 1,629 | $56.05 | 55,099 | D | F |
| 16 Mar, 2026 | Gregory R Friberg | Stock Option (Right to Buy Common Stock) | A | 45,600 | $0.00 | 45,600 | D | A |
| 16 Mar, 2026 | Cristin Hubbard | Stock Option (Right to Buy Common Stock) | A | 36,680 | $0.00 | 36,680 | D | A |
| 16 Mar, 2026 | George Eric Davis | Common Stock | D | 7,177 | $58.51 | 65,263 | D | F |
| 13 Mar, 2026 | Alexander Hardy | Common Stock | D | 2,941 | $58.51 | 156,447 | D | F |
| 13 Mar, 2026 | Brian Mueller | Common Stock | D | 9,945 | $58.51 | 106,691 | D | F |
| 13 Mar, 2026 | Charles Greg Guyer | Common Stock | D | 9,109 | $58.51 | 70,843 | D | F |
| 16 Mar, 2026 | Charles Greg Guyer | Common Stock | A | 14,990 | $0.00 | 85,833 | D | A |
| 16 Mar, 2026 | George Eric Davis | Common Stock | A | 14,570 | $0.00 | 79,833 | D | A |
| 16 Mar, 2026 | Brian Mueller | Common Stock | A | 18,740 | $0.00 | 125,431 | D | A |
| 16 Mar, 2026 | Alexander Hardy | Common Stock | A | 62,440 | $0.00 | 218,887 | D | A |
| 16 Mar, 2026 | George Eric Davis | Stock Option (Right to Buy Common Stock) | A | 34,690 | $0.00 | 34,690 | D | A |
| 16 Mar, 2026 | Brian Mueller | Stock Option (Right to Buy Common Stock) | A | 44,600 | $0.00 | 44,600 | D | A |