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 |
| 2026-06-10 Sale | 2026-06-12 4:40 pm | MASIMO CORP | MASI | Solomon Darlene J. S. Director | 3,015 | $180 | $542,700 | 0 (Direct) | View |
| 2026-06-10 Sale | 2026-06-12 4:39 pm | MASIMO CORP | MASI | Scannell Timothy J Director | 2,608 | $180 | $469,440 | 0 (Direct) | View |
| 2026-06-10 Sale | 2026-06-12 4:39 pm | MASIMO CORP | MASI | LANE WENDY E Director | 2,608 | $180 | $469,440 | 0 (Direct) | View |
| 2026-06-10 Sale | 2026-06-12 4:38 pm | MASIMO CORP | MASI | Politan Capital Management LP Koffey Quentin Politan Capital Partners GP LLC Politan Capital Management GP LLC Director by deputization Director | 4,590,873 | $180 | $826,357,140 | 0 (Indirect) | View |
| 2026-06-10 Sale | 2026-06-12 4:36 pm | MASIMO CORP | MASI | Brennan Michelle Chairman of the Board | 9,309 | $180 | $1,675,620 | 0 (Direct) | View |
| 2026-06-10 Sale | 2026-06-12 4:35 pm | MASIMO CORP | MASI | Hataishi Paul SVP, Chief Accounting Officer | 13,317 | $180 | $2,397,060 | 0 (Direct) | View |
| 2026-06-10 Sale | 2026-06-12 4:34 pm | MASIMO CORP | MASI | Sampath Anand EVP, Operations | 33,901 | $180 | $6,102,180 | 0 (Direct) | View |
| 2026-06-10 Sale | 2026-06-12 4:32 pm | MASIMO CORP | MASI | Hellmann Elisabeth A Chief Human Resources Officer | 214 | $180 | $38,520 | 0 (Direct) | View |
| 2026-06-10 Sale | 2026-06-12 4:30 pm | MASIMO CORP | MASI | Young Micah W EVP, Chief Financial Officer | 25,656 | $180 | $4,618,080 | 0 (Direct) | View |
| 2026-06-10 Sale | 2026-06-12 4:30 pm | MASIMO CORP | MASI | Szyman Catherine M. Chief Executive Officer | 7,605 | $180 | $1,368,900 | 0 (Direct) | View |
| 2026-01-28 Sale | 2026-01-30 8:13 pm | MASIMO CORP | MASI | Sampath Anand EVP, Ops & Clinical Research | 18,680 | $136.81 | $2,555,570 | 40,909 (Direct) | View |
| 2025-08-12 Purchase | 2025-08-14 4:42 pm | MASIMO CORP | MASI | Brennan Michelle Chairman of the Board | 200 | $152.8 | $30,560 | 7,318 (Direct) | View |
| 2025-08-11 Purchase | 2025-08-12 4:20 pm | MASIMO CORP | MASI | Jellison William R Director | 3,000 | $145.98 | $437,940 | 4,790 (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 |
| 2026-06-10 Other | 2026-06-12 4:38 pm | N/A N/A | MASIMO CORP | MASI | Politan Capital Management LP Politan Capital Management GP LLC Politan Capital Partners GP LLC Koffey Quentin Director by deputization Director | 273,550 | $0 | 0 (Indirect) | View |
| 2026-04-29 Exercise | 2026-05-05 5:03 pm | N/A 2035-04-29 | MASIMO CORP | MASI | Scannell Timothy J Director | 1,225 | $0 | 4,846 (Direct) | View |
| 2026-04-23 Option Award | 2026-05-05 5:03 pm | N/A 2036-04-23 | MASIMO CORP | MASI | Scannell Timothy J Director | 1,119 | $178.71 | 4,846 (Direct) | View |
| 2026-04-29 Exercise | 2026-05-05 5:01 pm | N/A 2035-04-29 | MASIMO CORP | MASI | LANE WENDY E Director | 1,225 | $0 | 4,846 (Direct) | View |
| 2026-04-23 Option Award | 2026-05-05 5:01 pm | N/A 2036-04-23 | MASIMO CORP | MASI | LANE WENDY E Director | 1,119 | $178.71 | 4,846 (Direct) | View |
| 2026-04-29 Exercise | 2026-05-05 5:00 pm | N/A 2035-04-29 | MASIMO CORP | MASI | Brennan Michelle Chairman of the Board | 1,225 | $0 | 10,781 (Direct) | View |
| 2026-04-23 Option Award | 2026-05-05 5:00 pm | N/A 2036-04-23 | MASIMO CORP | MASI | Brennan Michelle Chairman of the Board | 1,119 | $178.71 | 10,781 (Direct) | View |
| 2026-04-21 Exercise | 2026-05-05 4:59 pm | N/A 2035-04-21 | MASIMO CORP | MASI | Hellmann Elisabeth A Chief Human Resources Officer | 335 | $0 | 1,219 (Direct) | View |
| 2026-04-21 Tax Withholding | 2026-05-05 4:59 pm | N/A N/A | MASIMO CORP | MASI | Hellmann Elisabeth A Chief Human Resources Officer | 121 | $178.43 | 1,219 (Direct) | View |
| 2026-03-11 Tax Withholding | 2026-03-16 5:21 pm | N/A N/A | MASIMO CORP | MASI | Szyman Catherine M. CEO | 1,069 | $175.47 | 13,911 (Direct) | View |
| 2026-03-11 Exercise | 2026-03-16 5:21 pm | N/A 2035-03-11 | MASIMO CORP | MASI | Szyman Catherine M. CEO | 2,101 | $0 | 13,911 (Direct) | View |
| 2026-03-11 Tax Withholding | 2026-03-16 5:19 pm | N/A N/A | MASIMO CORP | MASI | Young Micah W EVP & Chief Financial Officer | 471 | $175.47 | 28,278 (Direct) | View |
| 2026-03-11 Exercise | 2026-03-16 5:19 pm | N/A 2035-03-11 | MASIMO CORP | MASI | Young Micah W EVP & Chief Financial Officer | 873 | $0 | 28,278 (Direct) | View |
| 2026-03-11 Other | 2026-03-13 7:25 pm | N/A N/A | MASIMO CORP | MASI | Politan Capital Management LP Politan Capital Management GP LLC Politan Capital Partners GP LLC Koffey Quentin Director by deputization Director | 273,550 | $0 | 273,550 (Indirect) | View |
| 2026-03-06 Option Award | 2026-03-10 7:46 pm | N/A 2036-03-06 | MASIMO CORP | MASI | Meehan Greg Allen Chief Commerical Officer | 8,550 | $0 | 8,550 (Direct) | View |
| 2026-03-06 Option Award | 2026-03-10 7:43 pm | N/A 2036-03-06 | MASIMO CORP | MASI | Benner Tim Chief Marketing Officer | 6,128 | $0 | 6,128 (Direct) | View |
| 2026-03-06 Option Award | 2026-03-10 7:05 pm | N/A 2036-03-06 | MASIMO CORP | MASI | Hellmann Elisabeth A Chief Human Resources Officer | 5,985 | $0 | 5,985 (Direct) | View |
| 2026-03-06 Option Award | 2026-03-10 7:02 pm | N/A 2036-03-06 | MASIMO CORP | MASI | Sampath Anand EVP, Operations | 6,840 | $0 | 6,840 (Direct) | View |
| 2026-03-06 Option Award | 2026-03-10 6:52 pm | N/A 2036-03-06 | MASIMO CORP | MASI | Dadswell Charles EVP, General Counsel | 10,261 | $0 | 10,261 (Direct) | View |
| 2026-03-06 Option Award | 2026-03-10 6:51 pm | N/A 2036-03-06 | MASIMO CORP | MASI | Young Micah W EVP & Chief Financial Officer | 17,671 | $0 | 17,671 (Direct) | View |
| 2026-03-06 Option Award | 2026-03-10 6:50 pm | N/A 2036-03-06 | MASIMO CORP | MASI | Szyman Catherine M. CEO | 39,904 | $0 | 39,904 (Direct) | View |
| 2026-02-27 Exercise | 2026-03-03 8:29 pm | N/A N/A | MASIMO CORP | MASI | Young Micah W EVP & Chief Financial Officer | 15,000 | $0 | 25,254 (Direct) | View |
| 2026-02-27 Tax Withholding | 2026-03-03 8:29 pm | N/A N/A | MASIMO CORP | MASI | Young Micah W EVP & Chief Financial Officer | 8,093 | $175.35 | 25,254 (Direct) | View |
| 2026-02-27 Option Award | 2026-03-03 8:29 pm | N/A N/A | MASIMO CORP | MASI | Young Micah W EVP & Chief Financial Officer | 15,000 | $0 | 25,254 (Direct) | View |
| 2026-02-26 Tax Withholding | 2026-02-26 8:13 pm | N/A N/A | MASIMO CORP | MASI | Young Micah W EVP & Chief Financial Officer | 1,123 | $175.22 | 18,347 (Direct) | View |
| 2026-02-26 Option Award | 2026-02-26 8:13 pm | N/A N/A | MASIMO CORP | MASI | Young Micah W EVP & Chief Financial Officer | 2,034 | $0 | 18,347 (Direct) | View |
| 2026-02-12 Exercise | 2026-02-13 5:28 pm | N/A 2035-02-12 | MASIMO CORP | MASI | Szyman Catherine M. CEO | 11,141 | $0 | 28,856 (Direct) | View |
| 2026-02-12 Exercise | 2026-02-13 5:28 pm | N/A N/A | MASIMO CORP | MASI | Szyman Catherine M. CEO | 11,141 | $132.96 | 28,856 (Direct) | View |
| 2026-02-12 Tax Withholding | 2026-02-13 5:28 pm | N/A N/A | MASIMO CORP | MASI | Szyman Catherine M. CEO | 4,568 | $0 | 28,856 (Direct) | View |
| 2026-01-28 Exercise | 2026-01-30 8:13 pm | N/A 2026-03-01 | MASIMO CORP | MASI | Sampath Anand EVP, Ops & Clinical Research | 30,000 | $0 | 40,909 (Direct) | View |
| 2026-01-28 Exercise | 2026-01-30 8:13 pm | N/A N/A | MASIMO CORP | MASI | Sampath Anand EVP, Ops & Clinical Research | 30,000 | $37.84 | 40,909 (Direct) | View |
| 2025-11-13 Exercise | 2025-11-17 9:41 pm | N/A 2034-11-13 | MASIMO CORP | MASI | Ahmed Omar CTIO & EVP of Engineering | 2,474 | $0 | 3,268 (Direct) | View |
| 2025-11-13 Exercise | 2025-11-17 9:41 pm | N/A N/A | MASIMO CORP | MASI | Ahmed Omar CTIO & EVP of Engineering | 2,474 | $152.43 | 3,268 (Direct) | View |
| 2025-11-13 Tax Withholding | 2025-11-17 9:41 pm | N/A N/A | MASIMO CORP | MASI | Ahmed Omar CTIO & EVP of Engineering | 974 | $0 | 3,268 (Direct) | View |
| 2025-09-23 Exercise | 2025-09-25 6:25 pm | N/A N/A | MASIMO CORP | MASI | Tripodi Blair COO, Consumer Division | 15,000 | $0 | 13,818 (Direct) | View |
| 2025-09-23 Exercise | 2025-09-25 6:25 pm | N/A N/A | MASIMO CORP | MASI | Tripodi Blair COO, Consumer Division | 15,000 | $142.13 | 13,818 (Direct) | View |
| 2025-09-23 Tax Withholding | 2025-09-25 6:25 pm | N/A N/A | MASIMO CORP | MASI | Tripodi Blair COO, Consumer Division | 8,078 | $0 | 13,818 (Direct) | View |
| 2025-08-29 Other | 2025-08-29 4:05 pm | N/A N/A | MASIMO CORP | MASI | Politan Capital Management LP Politan Capital Management GP LLC Politan Capital Partners GP LLC Koffey Quentin Director by deputization Director | 126,888 | $0 | 4,716,536 (Indirect) | View |
Ownership | 2025-08-11 8:26 pm | N/A N/A | MASIMO CORP | MASI | Ahmed Omar CTIO & EVP of Engineering | 0 | $0 | 33,828 (Direct) | View |