Insider Transactions Reported by 28 Insiders of MASIMO CORP

Symbol
MASI on Nasdaq
Location
Irvine, CA

Insiders trading volume in the past year

MASIMO CORP executives and other stock owners filed with the SEC include:

Name Relationship Holdings Value Past Year Net Change Change % Report Date
Politan Capital Management LP Director by deputization $744,390,354 11 Mar 2026
Joe E. Kiani CEO and Chairman of the Board, Director $76,686,577 08 Aug 2024
Thomas Samuel McClenahan Evp, Gen Counsel & Corp Sec $9,474,979 28 Feb 2024
Anand Sampath EVP, Operations $5,649,123 -$2,555,570 -31% 06 Mar 2026
Micah W. Young EVP & Chief Financial Officer $5,321,433 06 Mar 2026
Blair Tripodi COO, Consumer Division $4,885,319 23 Sep 2025
Bilal Muhsin Chief Operating Officer $4,570,915 -$1,632,781 -26% 12 May 2025
Tao Levy EVP, Bus Dev $4,334,641 13 Nov 2024
Craig B. Reynolds Director $3,064,557 29 Apr 2025
Catherine M. Szyman CEO, Director $3,003,337 06 Mar 2026
Kevin P. Duffy President, Consumer $2,988,646 11 Apr 2022
Michelle Brennan Director, Chairman of the Board $1,136,119 +$30,560 +2.8% 12 Aug 2025
Thomas Harkin Director $1,042,301 27 May 2021
Robert A. Chapek Director $857,996 29 Apr 2025
William R. Jellison Director $740,486 +$437,940 +145% 11 Aug 2025
Julie Ann Shimer Director $697,609 26 May 2023
H. Michael Cohen Director $604,753 26 May 2023
Omar Ahmed CTIO & EVP of Engineering $467,029 13 Nov 2025
Darlene J. S. Solomon Director $335,822 29 Apr 2025
Rolf A. Classon Director $273,032 19 Dec 2023
Timothy J. Scannell Director $259,464 29 Apr 2025
Wendy E. Lane Director $259,464 29 Apr 2025
Adam Mikkelson Director $194,255 26 Jun 2023
Paul Hataishi SVP, Chief Accounting Officer 27 Feb 2023
Elisabeth A. Hellmann Chief Human Resources Officer 06 Mar 2026
Tim Benner Chief Marketing Officer 06 Mar 2026
Greg Allen Meehan Chief Commerical Officer 06 Mar 2026
Charles Dadswell EVP, General Counsel 06 Mar 2026

Recent Insider Transactions by Companies or Individuals for MASIMO CORP

Showing up to 300 most recent insider transactions from the last 12 months.

Insider Symbol Class Transaction % Value $ * Price $ Shares Shares Owned Date Ownership
Politan Capital Management LP MASI Forward Sale Contract (obligation to sell) Other 130,869 130,869 12 Mar 2026 See footnotes
Politan Capital Management LP MASI Forward Sale Contract (obligation to sell) Other 142,681 142,681 11 Mar 2026 See footnotes
Greg Allen Meehan MASI Restricted Stock Units Award 8,550 8,550 06 Mar 2026 Direct
Tim Benner MASI Restricted Stock Units Award 6,128 6,128 06 Mar 2026 Direct
Elisabeth A. Hellmann MASI Restricted Stock Units Award 5,985 5,985 06 Mar 2026 Direct
Anand Sampath MASI Restricted Stock Units Award 6,840 6,840 06 Mar 2026 Direct
Charles Dadswell MASI Restricted Stock Units Award 10,261 10,261 06 Mar 2026 Direct
Micah W. Young MASI Restricted Stock Units Award 17,671 17,671 06 Mar 2026 Direct
Catherine M. Szyman MASI Restricted Stock Units Award 39,904 39,904 06 Mar 2026 Direct
Micah W. Young MASI Common Stock Tax liability -24.3% -8,093 25,254 27 Feb 2026 Direct
Micah W. Young MASI Common Stock Award 81.8% 15,000 33,347 27 Feb 2026 Direct
Micah W. Young MASI Restricted Stock Units Options Exercise -100% -15,000 0 27 Feb 2026 Direct
Micah W. Young MASI Common Stock Tax liability -5.77% -1,123 18,347 26 Feb 2026 Direct
Micah W. Young MASI Common Stock Award 11.7% 2,034 19,470 26 Feb 2026 Direct
Catherine M. Szyman MASI Common Stock Tax liability -41% -4,568 6,573 12 Feb 2026 Direct
Catherine M. Szyman MASI Common Stock Options Exercise 11,141 11,141 12 Feb 2026 Direct
Catherine M. Szyman MASI Restricted Stock Units Options Exercise -33.3% -11,141 22,283 12 Feb 2026 Direct
Anand Sampath MASI Common Stock Sale -31.4% $2,555,570 $136.81 -18,680 40,909 28 Jan 2026 Direct
Anand Sampath MASI Common Stock Options Exercise 101.4% 30,000 59,589 28 Jan 2026 Direct
Anand Sampath MASI Non-Qualified Stock Option (Right to Buy) Options Exercise -100% -30,000 0 28 Jan 2026 Direct
Omar Ahmed MASI Common Stock Tax liability -23% -974 3,268 13 Nov 2025 Direct
Omar Ahmed MASI Common Stock Options Exercise 139.9% 2,474 4,242 13 Nov 2025 Direct
Omar Ahmed MASI Restricted Stock Units Options Exercise -100% -2,474 0 13 Nov 2025 Direct
Blair Tripodi MASI Common Stock Tax liability -36.9% -8,078 13,818 23 Sep 2025 Direct
Blair Tripodi MASI Common Stock Options Exercise 217.5% 15,000 21,896 23 Sep 2025 Direct
Blair Tripodi MASI Restricted Stock Units Options Exercise -100% -15,000 0 23 Sep 2025 Direct
Politan Capital Management LP MASI Common Stock, par value $0.001 per share Other -2.69% -126,888 4,589,648 29 Aug 2025 See footnotes
Michelle Brennan MASI Common Stock Purchase 1.39% $15,525 $155.25 100 7,318 13 Aug 2025 Direct
Michelle Brennan MASI Common Stock Purchase 1.4% $15,035 $150.35 100 7,218 12 Aug 2025 Direct
William R. Jellison MASI Common Stock Purchase 167.6% $437,940 $145.98 3,000 4,790 11 Aug 2025 Direct
Bilal Muhsin MASI Common Stock Sale -29.3% $1,632,781 $163.28 -10,000 24,172 12 May 2025 Direct
Bilal Muhsin MASI Common Stock Options Exercise 41.4% 10,000 34,172 12 May 2025 Direct
Bilal Muhsin MASI Non-Qualified Stock Option (Right to Buy) Options Exercise -100% -10,000 0 12 May 2025 Direct
Michelle Brennan MASI Restricted Stock Units Award 766 766 29 Apr 2025 Direct
Darlene J. S. Solomon MASI Common Stock Options Exercise 1,790 1,790 29 Apr 2025 Direct
Darlene J. S. Solomon MASI Restricted Stock Units Award 1,225 1,225 29 Apr 2025 Direct
Darlene J. S. Solomon MASI Restricted Stock Units Options Exercise -100% -1,790 0 29 Apr 2025 Direct
Timothy J. Scannell MASI Common Stock Options Exercise 1,383 1,383 29 Apr 2025 Direct
Timothy J. Scannell MASI Restricted Stock Units Award 1,225 1,225 29 Apr 2025 Direct
Timothy J. Scannell MASI Restricted Stock Units Options Exercise -100% -1,383 0 29 Apr 2025 Direct
Wendy E. Lane MASI Common Stock Options Exercise 1,383 1,383 29 Apr 2025 Direct
Wendy E. Lane MASI Restricted Stock Units Award 1,225 1,225 29 Apr 2025 Direct
Wendy E. Lane MASI Restricted Stock Units Options Exercise -100% -1,383 0 29 Apr 2025 Direct
William R. Jellison MASI Common Stock Award 1,790 1,790 29 Apr 2025 Direct
William R. Jellison MASI Restricted Stock Units Award 1,225 1,225 29 Apr 2025 Direct
William R. Jellison MASI Restricted Stock Units Options Exercise -100% -1,790 0 29 Apr 2025 Direct
Michelle Brennan MASI Common Stock Options Exercise 33.6% 1,790 7,118 29 Apr 2025 Direct
Michelle Brennan MASI Restricted Stock Units Award 1,225 1,225 29 Apr 2025 Direct
Michelle Brennan MASI Restricted Stock Units Options Exercise -100% -1,790 0 29 Apr 2025 Direct
Craig B. Reynolds MASI Common Stock Options Exercise 10.8% 1,790 18,371 29 Apr 2025 Direct
* An asterisk sign (*) next to the price indicates that the price is likely invalid.