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 |
2021-05-11 Purchase |
2021-05-13 4:16 pm |
MASIMO CORP | MASI | McClenahan Thomas Samuel EVP, GEN COUNSEL & CORP SEC |
500 | $214.4 | $107,200 | 23,571 (Direct) |
View |
2021-04-30 Purchase |
2021-05-04 4:13 pm |
MASIMO CORP | MASI | McClenahan Thomas Samuel EVP, GEN COUNSEL & CORP SEC |
1,000 | $231.62 | $231,620 | 23,071 (Direct) |
View |
2020-10-07 Sale |
2020-10-09 4:13 pm |
MASIMO CORP | MASI | McClenahan Thomas Samuel EVP, GEN COUNSEL & CORP SEC |
10,000 | $254 | $2,540,000 | 25,264 (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 |
2024-02-28 Tax Withholding |
2024-03-01 9:16 pm |
N/A N/A |
MASIMO CORP | MASI | McClenahan Thomas Samuel EVP, GEN COUNSEL & CORP SEC |
394 | $128.7 | 78,701 (Direct) |
View |
2024-03-01 Option Award |
2024-03-01 9:16 pm |
N/A 2034-03-01 |
MASIMO CORP | MASI | McClenahan Thomas Samuel EVP, GEN COUNSEL & CORP SEC |
42,958 | $0 | 78,701 (Direct) |
View |
2023-03-03 Tax Withholding |
2023-03-07 8:29 pm |
N/A N/A |
MASIMO CORP | MASI | McClenahan Thomas Samuel EVP, GEN COUNSEL & CORP SEC |
2,668 | $182.43 | 44,939 (Direct) |
View |
2023-03-03 Option Award |
2023-03-07 8:29 pm |
2024-03-03 2033-03-03 |
MASIMO CORP | MASI | McClenahan Thomas Samuel EVP, GEN COUNSEL & CORP SEC |
13,818 | $0 | 44,939 (Direct) |
View |
2022-02-22 Option Award |
2022-02-24 5:39 pm |
2023-02-22 2032-02-22 |
MASIMO CORP | MASI | McClenahan Thomas Samuel EVP, GEN COUNSEL & CORP SEC |
6,362 | $157.53 | 6,362 (Direct) |
View |
2022-02-14 Option Award |
2022-02-16 4:18 pm |
N/A N/A |
MASIMO CORP | MASI | McClenahan Thomas Samuel EVP, GEN COUNSEL & CORP SEC |
9,302 | $0 | 33,789 (Direct) |
View |
2022-01-02 Tax Withholding |
2022-01-04 4:52 pm |
N/A N/A |
MASIMO CORP | MASI | McClenahan Thomas Samuel EVP, GEN COUNSEL & CORP SEC |
1,084 | $292.78 | 26,487 (Direct) |
View |
2022-01-02 Exercise |
2022-01-04 4:52 pm |
N/A N/A |
MASIMO CORP | MASI | McClenahan Thomas Samuel EVP, GEN COUNSEL & CORP SEC |
2,000 | $0 | 26,487 (Direct) |
View |
2021-02-26 Option Award |
2021-03-02 4:27 pm |
2022-02-26 2031-02-26 |
MASIMO CORP | MASI | McClenahan Thomas Samuel EVP, GEN COUNSEL & CORP SEC |
3,956 | $250.73 | 3,956 (Direct) |
View |
2021-02-22 Option Award |
2021-02-24 4:24 pm |
N/A N/A |
MASIMO CORP | MASI | McClenahan Thomas Samuel EVP, GEN COUNSEL & CORP SEC |
14,593 | $0 | 22,071 (Direct) |
View |
2021-01-02 Exercise |
2021-01-06 4:10 pm |
N/A N/A |
MASIMO CORP | MASI | McClenahan Thomas Samuel EVP, GEN COUNSEL & CORP SEC |
2,000 | $0 | 9,478 (Direct) |
View |
2021-01-02 Tax Withholding |
2021-01-06 4:10 pm |
N/A N/A |
MASIMO CORP | MASI | McClenahan Thomas Samuel EVP, GEN COUNSEL & CORP SEC |
786 | $268.38 | 9,478 (Direct) |
View |
2020-10-07 Exercise |
2020-10-09 4:13 pm |
2016-03-20 2025-03-20 |
MASIMO CORP | MASI | McClenahan Thomas Samuel EVP, GEN COUNSEL & CORP SEC |
5,000 | $31.01 | 25,264 (Direct) |
View |
2020-10-07 Exercise |
2020-10-09 4:13 pm |
2015-02-18 2024-02-18 |
MASIMO CORP | MASI | McClenahan Thomas Samuel EVP, GEN COUNSEL & CORP SEC |
5,000 | $28.03 | 25,264 (Direct) |
View |