Masimo Corp (MASI) Insider Ownership

Historic Insider Ownership Trends

Over the 90-day window ending February 19, 2026, Masimo's three dominant insider ownership positions are held by Other Capital Management Lp Politan (4.59Mn shares), Ceo And Chairman Of The Board Joe E Kiani (646.66K shares), Evp And Ops & Clinical Research Anand Sampath (40.91K shares).

Top Direct Holders

Insider ownership data is derived from the last 60 months of Form 4 SEC filings.
Holder Position Shares Report Date
Capital Management Lp Politan 4,589,648 29 Aug, 2025
Joe E Kiani Ceo And Chairman Of The Board 646,659 12 Aug, 2024
Anand Sampath Evp And Ops & Clinical Research 40,909 30 Jan, 2026
Thomas Samuel Mcclenahan Evp And Gen Counsel & Corp Sec 36,747 01 Mar, 2024
Tao Levy Evp And Bus Dev 26,810 15 Nov, 2024
Bilal Muhsin Chief Operating Officer 24,172 14 May, 2025
Craig B Reynolds 18,371 01 May, 2025
Micah W Young Evp & Chief Financial Officer 17,436 04 Mar, 2025
Blair Tripodi Coo And Consumer Division 13,818 25 Sep, 2025
Michelle Brennan 7,318 14 Aug, 2025
Thomas Harkin 6,589 01 Jun, 2021
Catherine M. Szyman Ceo 6,573 13 Feb, 2026
William R Jellison 4,790 12 Aug, 2025
Julie Ann Shimer 4,410 31 May, 2023
Adam Mikkelson 4,108 31 May, 2023
H Michael Cohen 3,823 31 May, 2023
Robert A Chapek 3,455 01 May, 2025
Omar Ahmed Ctio & Evp Of Engineering 3,268 17 Nov, 2025
Darlene J. S. Solomon 1,790 02 May, 2025
Timothy J Scannell 1,383 02 May, 2025
Wendy E Lane 1,383 02 May, 2025

* Please note that the shares above only reflect shares from the fund portfolio and the institutional portfolio. Shares from the personal portfolio are excluded from this Institutional Ownership Page. See these insiders' latest transactions here on Insider Page.

Recent Insider Transactions

Detailed insider trading activity based on Form 4 SEC filings.
Download Data
Transaction Date Insider Name Security Class Transaction Type Shares Traded Price Shares Remaining Ownership Code
12 Feb, 2026 Catherine M. Szyman Common Stock D 4,568 $0.00 6,573 D F
12 Feb, 2026 Catherine M. Szyman Common Stock A 11,141 $132.96 11,141 D M
28 Jan, 2026 Anand Sampath Common Stock D 11,924 $136.56 47,665 D S
28 Jan, 2026 Anand Sampath Common Stock A 30,000 $37.84 59,589 D M
28 Jan, 2026 Anand Sampath Common Stock D 6,560 $137.22 41,105 D S
28 Jan, 2026 Anand Sampath Common Stock D 196 $138.09 40,909 D S
13 Nov, 2025 Omar Ahmed - - 4,242 D
13 Nov, 2025 Omar Ahmed Common Stock A 2,474 $152.43 4,242 D M
13 Nov, 2025 Omar Ahmed Common Stock D 974 $0.00 3,268 D F
13 Nov, 2025 Omar Ahmed - - 3,268 D
23 Sep, 2025 Blair Tripodi - - 21,896 D
23 Sep, 2025 Blair Tripodi Common Stock A 15,000 $142.13 21,896 D M
23 Sep, 2025 Blair Tripodi Common Stock D 8,078 $0.00 13,818 D F
23 Sep, 2025 Blair Tripodi - - 13,818 D
29 Aug, 2025 Capital Management Lp Politan - - 4,589,648 I
29 Aug, 2025 Capital Management Lp Politan Common Stock, par value $0.001 per share D 126,888 $0.00 4,589,648 I J
13 Aug, 2025 Michelle Brennan Common Stock A 100 $155.25 7,318 D P
13 Aug, 2025 Michelle Brennan - - 7,318 D
12 Aug, 2025 Michelle Brennan - - 7,218 D
12 Aug, 2025 Michelle Brennan Common Stock A 100 $150.35 7,218 D P