| SC 13D/A | 2024-03-27 | Politan Capital Management LP | MASIMO CORP | 4,713,518 | 8.9% | EDGAR |
| SC 13G/A | 2024-02-14 | KIANI JOE E | MASIMO CORP | 4,972,819 | 9.2% | EDGAR |
| SC 13G/A | 2024-02-13 | VANGUARD GROUP INC | MASIMO CORP | 4,781,318 | 9.0% | EDGAR |
| SC 13G/A | 2024-02-09 | FMR LLC | MASIMO CORP | 6,927,572 | 13.1% | EDGAR |
| SC 13G/A | 2024-01-24 | BlackRock Inc. | MASIMO CORP | 5,659,131 | 10.7% | EDGAR |
| SC 13D/A | 2023-06-30 | Politan Capital Management LP | MASIMO CORP | 4,713,518 | 8.9% | EDGAR |
| SC 13D/A | 2023-05-01 | Politan Capital Management LP | MASIMO CORP | 4,713,518 | 9.0% | EDGAR |
| SC 13D/A | 2023-03-13 | Politan Capital Management LP | MASIMO CORP | 4,739,963 | 9.0% | EDGAR |
| SC 13D/A | 2023-03-06 | Politan Capital Management LP | MASIMO CORP | 4,739,963 | 9.0% | EDGAR |
| SC 13G/A | 2023-02-14 | KIANI JOE E | MASIMO CORP | 4,975,021 | 9.3% | EDGAR |
| SC 13G/A | 2023-02-09 | VANGUARD GROUP INC | MASIMO CORP | 4,855,501 | 9.2% | EDGAR |
| SC 13G/A | 2023-01-26 | BlackRock Inc. | MASIMO CORP | 5,956,832 | 11.3% | EDGAR |
| SC 13G/A | 2023-01-20 | BlackRock Inc. | MASIMO CORP | 5,956,832 | 11.3% | EDGAR |
| SC 13G | 2023-01-10 | FMR LLC | MASIMO CORP | 5,456,343 | 10.4% | EDGAR |
| SC 13D/A | 2022-10-21 | Politan Capital Management LP | MASIMO CORP | 4,648,869 | 8.8% | EDGAR |
| SC 13D/A | 2022-09-27 | Politan Capital Management LP | MASIMO CORP | 4,648,869 | 8.8% | EDGAR |
| SC 13D | 2022-08-16 | Politan Capital Management LP | MASIMO CORP | 4,431,284 | 8.4% | EDGAR |
| SC 13G | 2022-06-09 | BlackRock Inc. | MASIMO CORP | 6,055,213 | 10.9% | EDGAR |
| SC 13G/A | 2022-02-14 | KIANI JOE E | MASIMO CORP | 4,797,106 | 8.5% | EDGAR |
| SC 13G/A | 2022-02-10 | VANGUARD GROUP INC | MASIMO CORP | 4,703,742 | 8.5% | EDGAR |