Real time insider trading transaction history:
- Insiders are prohibited from making short-swing profits by trading their shares within 6 months of the registration or acquiring the shares.
- Shares are not adjusted for stock split.
"Insiders might sell their shares for any number of reasons, but they buy them for only one: they think the price will rise"
- Peter Lynch
What is insider trading>>
- Peter Lynch
What is insider trading>>

Common stock purchase or sale:
Transaction Date | Reported DateTime | Company | Symbol | Insider Relationship | Shares Traded | Average Price | Total Amount | Shares Owned | Filing |
2025-07-01 Sale | 2025-07-03 5:38 pm | Neuraxis INC | NRXS | MASIMO CORP 10% Owner | 821,327 | $2.25 | $1,847,986 | 0 (Direct) | View |
2025-05-12 Sale | 2025-05-14 5:32 pm | MASIMO CORP | MASI | Muhsin Bilal Chief Operating Officer | 10,000 | $163.28 | $1,632,781 | 24,172 (Direct) | View |
2025-03-14 Sale | 2025-03-14 5:24 pm | MASIMO CORP | MASI | REYNOLDS CRAIG B Director | 2,053 | $166.13 | $341,068 | 16,581 (Direct) | View |
2025-03-10 Sale | 2025-03-12 8:05 pm | MASIMO CORP | MASI | Muhsin Bilal Chief Operating Officer | 30,000 | $167.49 | $5,024,585 | 24,172 (Direct) | View |
Stock options: Exercise, Award, Grant, Conversion
Transaction Date | Reported DateTime | Exercisable Expiration | Company | Symnbol | Insider Relationship | Shares Traded | Conversion Price | Shares Owned | Filing |
2025-07-01 Conversion | 2025-07-03 5:38 pm | N/A N/A | Neuraxis INC | NRXS | MASIMO CORP 10% Owner | 289,779 | $0.0001 | 0 (Direct) | View |
2025-07-01 Exercise | 2025-07-03 5:38 pm | N/A N/A | Neuraxis INC | NRXS | MASIMO CORP 10% Owner | 289,779 | $0 | 0 (Direct) | View |
2025-05-12 Exercise | 2025-05-14 5:32 pm | 2016-05-13 2025-05-13 | MASIMO CORP | MASI | Muhsin Bilal Chief Operating Officer | 10,000 | $34.51 | 24,172 (Direct) | View |
2025-04-29 Option Award | 2025-05-02 08:55 am | N/A 2035-04-29 | MASIMO CORP | MASI | Solomon Darlene J. S. Director | 1,225 | $0 | 3,015 (Direct) | View |
2025-04-29 Exercise | 2025-05-02 08:55 am | N/A 2034-09-19 | MASIMO CORP | MASI | Solomon Darlene J. S. Director | 1,790 | $0 | 3,015 (Direct) | View |
2025-04-29 Option Award | 2025-05-02 08:54 am | N/A 2035-04-29 | MASIMO CORP | MASI | Scannell Timothy J Director | 1,225 | $0 | 2,608 (Direct) | View |
2025-04-29 Exercise | 2025-05-02 08:54 am | N/A 2034-10-16 | MASIMO CORP | MASI | Scannell Timothy J Director | 1,383 | $0 | 2,608 (Direct) | View |
2025-04-29 Option Award | 2025-05-02 08:52 am | N/A 2035-04-29 | MASIMO CORP | MASI | LANE WENDY E Director | 1,225 | $0 | 2,608 (Direct) | View |
2025-04-29 Exercise | 2025-05-02 08:52 am | N/A 2034-10-16 | MASIMO CORP | MASI | LANE WENDY E Director | 1,383 | $0 | 2,608 (Direct) | View |
2025-04-29 Option Award | 2025-05-02 08:51 am | N/A 2035-04-29 | MASIMO CORP | MASI | Jellison William R Director | 3,015 | $0 | 3,015 (Direct) | View |
2025-04-29 Exercise | 2025-05-02 08:51 am | N/A 2034-09-19 | MASIMO CORP | MASI | Jellison William R Director | 1,790 | $0 | 3,015 (Direct) | View |
2025-04-29 Option Award | 2025-05-01 9:58 pm | N/A 2035-04-29 | MASIMO CORP | MASI | Brennan Michelle Chairman of the Board | 1,225 | $0 | 8,343 (Direct) | View |
2025-04-29 Exercise | 2025-05-01 9:58 pm | N/A 2034-09-19 | MASIMO CORP | MASI | Brennan Michelle Chairman of the Board | 1,790 | $0 | 8,343 (Direct) | View |
2025-04-29 Exercise | 2025-05-01 9:53 pm | N/A 2034-09-19 | MASIMO CORP | MASI | REYNOLDS CRAIG B Director | 1,790 | $0 | 18,371 (Direct) | View |
2025-04-29 Exercise | 2025-05-01 9:52 pm | N/A 2034-09-19 | MASIMO CORP | MASI | Chapek Robert A Director | 1,790 | $0 | 3,455 (Direct) | View |
2025-04-29 Option Award | 2025-05-01 8:33 pm | N/A 2035-04-29 | MASIMO CORP | MASI | Politan Capital Management LP Politan Capital Management GP LLC Politan Capital Partners GP LLC Koffey Quentin Director by deputization Director | 1,225 | $0 | 4,717,761 (Indirect) | View |
2025-04-29 Exercise | 2025-05-01 8:33 pm | N/A 2034-09-19 | MASIMO CORP | MASI | Politan Capital Management LP Politan Capital Management GP LLC Politan Capital Partners GP LLC Koffey Quentin Director by deputization Director | 1,790 | $0 | 4,717,761 (Indirect) | View |
2025-04-21 Option Award | 2025-04-23 9:52 pm | N/A 2035-04-21 | MASIMO CORP | MASI | Hellmann Elisabeth A Chief Human Resources Officer | 4,213 | $0 | 4,213 (Direct) | View |
2025-03-13 Option Award | 2025-03-14 5:26 pm | N/A 2035-03-13 | MASIMO CORP | MASI | Muhsin Bilal Chief Operating Officer | 11,283 | $0 | 11,283 (Direct) | View |
2025-03-11 Option Award | 2025-03-13 8:20 pm | N/A 2035-03-11 | MASIMO CORP | MASI | Szyman Catherine M. CEO | 27,024 | $0 | 27,024 (Direct) | View |
2025-03-11 Option Award | 2025-03-13 8:16 pm | N/A 2035-03-11 | MASIMO CORP | MASI | Young Micah W EVP & Chief Financial Officer | 11,234 | $0 | 11,234 (Direct) | View |
2025-03-10 Exercise | 2025-03-12 8:05 pm | 2017-02-28 2026-02-28 | MASIMO CORP | MASI | Muhsin Bilal Chief Operating Officer | 30,000 | $37.84 | 24,172 (Direct) | View |
2025-03-01 Tax Withholding | 2025-03-04 4:52 pm | N/A N/A | MASIMO CORP | MASI | Tripodi Blair COO, Consumer Division | 8,104 | $188.77 | 21,896 (Direct) | View |
2025-03-01 Exercise | 2025-03-04 4:52 pm | N/A N/A | MASIMO CORP | MASI | Tripodi Blair COO, Consumer Division | 15,000 | $0 | 21,896 (Direct) | View |
2025-03-01 Tax Withholding | 2025-03-04 4:48 pm | N/A N/A | MASIMO CORP | MASI | Muhsin Bilal Chief Operating Officer | 8,098 | $188.77 | 39,172 (Direct) | View |
2025-03-01 Exercise | 2025-03-04 4:48 pm | N/A N/A | MASIMO CORP | MASI | Muhsin Bilal Chief Operating Officer | 15,000 | $0 | 39,172 (Direct) | View |
2025-03-01 Tax Withholding | 2025-03-04 4:44 pm | N/A N/A | MASIMO CORP | MASI | Young Micah W EVP & Chief Financial Officer | 8,100 | $188.77 | 32,436 (Direct) | View |
2025-03-01 Exercise | 2025-03-04 4:44 pm | N/A N/A | MASIMO CORP | MASI | Young Micah W EVP & Chief Financial Officer | 15,000 | $0 | 32,436 (Direct) | View |
2025-02-12 Tax Withholding | 2025-02-14 5:21 pm | N/A N/A | MASIMO CORP | MASI | Brennan Michelle Interim CEO | 4,816 | $179.51 | 5,328 (Direct) | View |
2025-02-12 Option Award | 2025-02-14 5:21 pm | N/A N/A | MASIMO CORP | MASI | Brennan Michelle Interim CEO | 8,916 | $0 | 5,328 (Direct) | View |
2025-02-12 Exercise | 2025-02-14 5:21 pm | N/A N/A | MASIMO CORP | MASI | Brennan Michelle Interim CEO | 8,916 | $0 | 5,328 (Direct) | View |
2025-02-12 Option Award | 2025-02-14 5:17 pm | N/A 2035-02-12 | MASIMO CORP | MASI | Szyman Catherine M. CEO | 33,424 | $0 | 33,424 (Direct) | View |
2025-01-15 Exercise | 2025-01-17 6:32 pm | N/A N/A | MASIMO CORP | MASI | Chapek Robert A Director | 1,665 | $0 | 3,455 (Direct) | View |
2024-11-13 Tax Withholding | 2024-11-15 6:05 pm | N/A N/A | MASIMO CORP | MASI | Levy Tao EVP, Bus Dev | 14,398 | $161.68 | 26,810 (Direct) | View |
2024-11-13 Exercise | 2024-11-15 6:05 pm | N/A N/A | MASIMO CORP | MASI | Levy Tao EVP, Bus Dev | 30,000 | $0 | 26,810 (Direct) | View |
2024-11-11 Option Award | 2024-11-13 5:02 pm | N/A N/A | MASIMO CORP | MASI | Brennan Michelle Interim CEO | 8,916 | $0 | 8,916 (Direct) | View |
2024-10-16 Option Award | 2024-10-18 09:08 am | N/A 2034-10-16 | MASIMO CORP | MASI | Scannell Timothy J Director | 1,383 | $0 | 1,383 (Direct) | View |
2024-10-16 Option Award | 2024-10-18 09:05 am | N/A 2034-10-16 | MASIMO CORP | MASI | LANE WENDY E Director | 1,383 | $0 | 1,383 (Direct) | View |
2024-09-19 Option Award | 2024-09-23 6:31 pm | N/A 2034-09-19 | MASIMO CORP | MASI | Politan Capital Management LP Politan Capital Management GP LLC Politan Capital Partners GP LLC Koffey Quentin Director by deputization Director | 1,790 | $0 | 4,717,764 (Indirect) | View |
2024-06-26 Exercise | 2024-09-23 6:31 pm | N/A 2033-06-25 | MASIMO CORP | MASI | Politan Capital Management LP Politan Capital Management GP LLC Politan Capital Partners GP LLC Koffey Quentin Director by deputization Director | 1,228 | $0 | 4,717,764 (Indirect) | View |
2024-09-19 Option Award | 2024-09-23 6:29 pm | N/A 2034-09-19 | MASIMO CORP | MASI | Solomon Darlene J. S. Director | 1,790 | $0 | 1,790 (Direct) | View |
2024-09-19 Option Award | 2024-09-23 6:27 pm | N/A 2034-09-19 | MASIMO CORP | MASI | Jellison William R Director | 1,790 | $0 | 1,790 (Direct) | View |
2024-09-19 Option Award | 2024-09-23 6:22 pm | N/A 2034-09-19 | MASIMO CORP | MASI | Brennan Michelle Director | 1,790 | $0 | 3,018 (Direct) | View |
2023-06-26 Exercise | 2024-09-23 6:22 pm | N/A 2033-06-25 | MASIMO CORP | MASI | Brennan Michelle Director | 2,456 | $0 | 3,018 (Direct) | View |
2024-09-19 Option Award | 2024-09-23 6:22 pm | N/A 2034-09-19 | MASIMO CORP | MASI | REYNOLDS CRAIG B Director | 1,790 | $0 | 1,790 (Direct) | View |
2024-09-19 Option Award | 2024-09-23 6:21 pm | N/A 2034-09-19 | MASIMO CORP | MASI | Chapek Robert A Director | 1,790 | $0 | 1,790 (Direct) | View |
2024-08-08 Exercise | 2024-08-12 9:59 pm | N/A N/A | MASIMO CORP | MASI | KIANI JOE E CEO and Chairman of the Board | 231,748 | $37.84 | 4,555,918 (Direct) | View |
2024-08-08 Exercise | 2024-08-12 9:59 pm | N/A 2026-02-28 | MASIMO CORP | MASI | KIANI JOE E CEO and Chairman of the Board | 231,748 | $0 | 4,555,918 (Direct) | View |
2024-06-26 Exercise | 2024-06-28 4:33 pm | N/A 2033-06-25 | MASIMO CORP | MASI | REYNOLDS CRAIG B Director | 1,228 | $0 | 18,634 (Direct) | View |