MASIMO CORP (MASI) Stock Ownership
NASDAQ:MASI • US5747951003
175.4 USD
+0.05 (+0.03%)
At close: Mar 2, 2026
175.4 USD
0 (0%)
After Hours: 3/2/2026, 4:06:00 PM
| Shares Outstanding | 53.71M |
| Float | 50.63M |
| Float Short Interest Percentage | 8.12% |
| Owners (insider) | 0.19% |
| Owners (institutional) | 106.93% |
| Owners (insider) change | 2.45% |
| Owners (institutional) change | -2.13% |
| Date | Name | Type | Shares | Price | Amount |
|---|---|---|---|---|---|
| Feb 26, 2026 | Young Micah W | Grant | 2034 | 0.00 | $ 0.00 |
| Feb 26, 2026 | Young Micah W | Option Excercise | 1123 | 175.22 | $ 196,772.06 |
| Feb 12, 2026 | Szyman Catherine M. | Option Excercise | 11141 | 132.96 | $ 1,481,307.36 |
| Feb 12, 2026 | Szyman Catherine M. | Option Excercise | 4568 | 0.00 | $ 0.00 |
| Jan 28, 2026 | Sampath Anand | Option Excercise | 30000 | 37.84 | $ 1,135,200.00 |
| Jan 28, 2026 | Sampath Anand | Open Market Sale | 18680 | 136.81 | $ 2,555,570.28 |
| Nov 13, 2025 | Ahmed Omar | Option Excercise | 2474 | 152.43 | $ 377,111.82 |
| Nov 13, 2025 | Ahmed Omar | Option Excercise | 974 | 0.00 | $ 0.00 |
| Sep 23, 2025 | Tripodi Blair | Option Excercise | 15000 | 142.13 | $ 2,131,950.00 |
| Sep 23, 2025 | Tripodi Blair | Option Excercise | 8078 | 0.00 | $ 0.00 |
| Aug 29, 2025 | Politan Capital Management LP | Other Disposition | 126888 | 0.00 | $ 0.00 |
| Aug 29, 2025 | Politan Capital Management GP LLC | Other Disposition | 126888 | 0.00 | $ 0.00 |
| Aug 29, 2025 | Politan Capital Partners GP LLC | Other Disposition | 126888 | 0.00 | $ 0.00 |
| Aug 29, 2025 | Koffey Quentin | Other Disposition | 126888 | 0.00 | $ 0.00 |
| Aug 12, 2025 | Brennan Michelle | Open Market Purchase | 200 | 152.80 | $ 30,560.00 |
| Aug 11, 2025 | Jellison William R | Open Market Purchase | 3000 | 145.98 | $ 437,940.00 |
| May 12, 2025 | Muhsin Bilal | Option Excercise | 10000 | 34.51 | $ 345,100.00 |
| May 12, 2025 | Muhsin Bilal | Open Market Sale | 10000 | 163.28 | $ 1,632,781.24 |
| Apr 29, 2025 | Brennan Michelle | Option Excercise | 1790 | 0.00 | $ 0.00 |
| Apr 29, 2025 | REYNOLDS CRAIG B | Option Excercise | 1790 | 0.00 | $ 0.00 |
| Apr 29, 2025 | Chapek Robert A | Option Excercise | 1790 | 0.00 | $ 0.00 |
| Apr 29, 2025 | LANE WENDY E | Option Excercise | 1383 | 0.00 | $ 0.00 |
| Apr 29, 2025 | Jellison William R | Grant | 1790 | 0.00 | $ 0.00 |
| Apr 29, 2025 | Scannell Timothy J | Option Excercise | 1383 | 0.00 | $ 0.00 |
| Apr 29, 2025 | Solomon Darlene J. S. | Option Excercise | 1790 | 0.00 | $ 0.00 |
| Apr 29, 2025 | Politan Capital Management LP | Option Excercise | 1790 | 0.00 | $ 0.00 |
| Apr 29, 2025 | Politan Capital Management GP LLC | Option Excercise | 1790 | 0.00 | $ 0.00 |
| Apr 29, 2025 | Politan Capital Partners GP LLC | Option Excercise | 1790 | 0.00 | $ 0.00 |
| Apr 29, 2025 | Koffey Quentin | Option Excercise | 1790 | 0.00 | $ 0.00 |
| Mar 14, 2025 | REYNOLDS CRAIG B | Open Market Sale | 2053 | 166.13 | $ 341,067.97 |
| Mar 10, 2025 | Muhsin Bilal | Option Excercise | 30000 | 37.84 | $ 1,135,200.00 |
| Mar 10, 2025 | Muhsin Bilal | Open Market Sale | 30000 | 167.49 | $ 5,024,585.10 |