List of insiders holdings for MASIMO CORP:
- Shares directly owned by the insider.
- Shares indirectly owned by the insider.
- Total shares owned by the insider (sum of shares directly and indirectly owned).
- Total market value if available.
- 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>>
| # | Insider Holder Name | Report Date Time | Shares Owned Directly Indirectly | Total Shares Owned | Filing |
| 1 | KIANI JOE E CEO and Chairman of the Board | 2026-02-13 19:59:34 | 5,904,629 0 | 5,904,629 | Form 13G |
| 2 | Politan Capital Management LP Politan Capital Management GP LLC Politan Capital Partners GP LLC Koffey Quentin Director by deputization Director | 2026-02-17 21:45:25 | 4,590,873 0 | 4,590,873 | Form 13D |
| 3 | Langdale Bradley EVP, Chief Marketing Officer | 2007-08-07 18:42:59 | 660,000 0 | 660,000 | Form 3 |
| 4 | Al-Ali Ammar Chief Engineer | 2010-02-18 20:55:41 | 314,340 0 | 314,340 | Form 4 |
| 5 | Elmandjra Mohamed Pres., Worldwide OEM Business | 2008-02-05 19:06:19 | 270,000 0 | 270,000 | Form 4 |
| 6 | Kilpatrick Christopher EVP, Business Dev., GC & Sec. | 2008-03-04 17:32:23 | 145,900 0 | 145,900 | Form 4 |
| 7 | Harty Mark President, International Sales | 2007-12-12 14:14:57 | 100,000 0 | 100,000 | Form 3 |
| 8 | Jennings David EVP, Human Resources | 2007-12-12 14:15:32 | 100,000 0 | 100,000 | Form 3 |
| 9 | Moran Stephen M EVP, General Counsel | 2008-07-14 19:17:56 | 100,000 0 | 100,000 | Form 4 |
| 10 | Goodman David EVP, Business Development | 2008-09-17 18:33:18 | 100,000 0 | 100,000 | Form 4 |
| 11 | McClenahan Thomas Samuel EVP, GEN COUNSEL & CORP SEC | 2024-03-01 21:16:36 | 78,701 0 | 78,701 | Form 4 |
| 12 | Berthon Olivier President, Masimo Europe | 2008-05-16 20:13:53 | 74,250 0 | 74,250 | Form 4 |
| 13 | Barker Steven Director | 2020-06-02 17:23:17 | 67,549 0 | 67,549 | Form 4 |
| 14 | Maniwa Tetsuro President, Masimo Japan | 2008-05-12 15:20:36 | 60,000 1000 | 61,000 | Form 3 |
| 15 | FITCH SANFORD Director | 2020-06-02 17:21:10 | 54,522 0 | 54,522 | Form 4 |
| 16 | Campbell Brian VP, Operations | 2009-10-07 17:48:01 | 50,000 0 | 50,000 | Form 4 |
| 17 | Szyman Catherine M. CEO | 2026-03-10 18:50:05 | 39,904 0 | 39,904 | Form 4 |
| 18 | Levy Tao EVP, Bus Dev | 2024-11-15 18:05:19 | 26,810 0 | 26,810 | Form 4 |
| 19 | Leclercq Thierry EVP, Bus Dev | 2017-05-10 16:11:37 | 25,000 0 | 25,000 | Form 4 |
| 20 | Jansen Paul EVP, Bus Dev | 2017-03-10 17:33:57 | 24,389 0 | 24,389 | Form 4 |
| 21 | Muhsin Bilal Chief Operating Officer | 2025-05-14 17:32:56 | 24,172 0 | 24,172 | Form 4 |
| 22 | Fishel Rick Pres, WW OEM Business... | 2017-07-18 16:37:59 | 20,022 0 | 20,022 | Form 4 |
| 23 | LASERSOHN JACK W Director | 2015-12-18 17:21:53 | 20,000 0 | 20,000 | Form 4 |
| 24 | Coleman Robert Director | 2014-02-20 12:46:05 | 20,000 0 | 20,000 | Form 4 |
| 25 | CAHILL EDWARD L Director | 2014-02-20 12:34:46 | 20,000 0 | 20,000 | Form 4 |
| 26 | O'Reilly Michael Chief Medical Officer | 2011-02-24 17:48:06 | 20,000 0 | 20,000 | Form 4 |
| 27 | Duffy Kevin P President, Consumer | 2022-04-14 16:10:59 | 18,893 0 | 18,893 | Form 4 |
| 28 | REYNOLDS CRAIG B Director | 2025-05-01 21:53:44 | 18,371 0 | 18,371 | Form 4 |
| 29 | Young Micah W EVP & Chief Financial Officer | 2026-03-10 18:51:35 | 17,671 0 | 17,671 | Form 4 |
| 30 | Paul Stephen E. EVP, Acute Care Sales | 2011-05-04 19:09:04 | 15,000 0 | 15,000 | Form 4 |
| 31 | Tripodi Blair COO, Consumer Division | 2025-09-25 18:25:25 | 13,818 0 | 13,818 | Form 4 |
| 32 | Allan Anthony Chief Operating Officer | 2011-11-23 16:50:13 | 10,524 0 | 10,524 | Form 4 |
| 33 | Dadswell Charles EVP, General Counsel | 2026-03-10 18:52:36 | 10,261 0 | 10,261 | Form 4 |
| 34 | de Raad Mark EVP & Chief Financial Officer | 2017-06-07 16:26:39 | 10,000 0 | 10,000 | Form 4 |
| 35 | Meehan Greg Allen Chief Commerical Officer | 2026-03-10 19:46:28 | 8,550 0 | 8,550 | Form 4 |
| 36 | Brennan Michelle Chairman of the Board | 2025-08-14 16:42:13 | 7,318 0 | 7,318 | Form 4 |
| 37 | Sampath Anand EVP, Operations | 2026-03-10 19:02:05 | 6,840 0 | 6,840 | Form 4 |
| 38 | Harkin Thomas Director | 2021-06-01 18:47:42 | 6,589 0 | 6,589 | Form 4 |
| 39 | Benner Tim Chief Marketing Officer | 2026-03-10 19:43:55 | 6,128 0 | 6,128 | Form 4 |
| 40 | Hellmann Elisabeth A Chief Human Resources Officer | 2026-03-10 19:05:12 | 5,985 0 | 5,985 | Form 4 |
| 41 | Jellison William R Director | 2025-08-12 16:20:13 | 4,790 0 | 4,790 | Form 4 |
| 42 | Shimer Julie Ann Director | 2023-05-31 16:18:43 | 4,410 0 | 4,410 | Form 4 |
| 43 | Cohen H Michael Director | 2023-05-31 16:18:01 | 3,823 0 | 3,823 | Form 4 |
| 44 | Chapek Robert A Director | 2025-05-01 21:52:02 | 3,455 0 | 3,455 | Form 4 |
| 45 | Ahmed Omar CTIO & EVP of Engineering | 2025-11-17 21:41:07 | 3,268 0 | 3,268 | Form 4 |
| 46 | Solomon Darlene J. S. Director | 2025-05-02 08:55:57 | 3,015 0 | 3,015 | Form 4 |
| 47 | Coleman Jon Pres-WW OEM & Global Health | 2021-03-02 16:23:11 | 2,637 0 | 2,637 | Form 4 |
| 48 | Lee Yongsam EVP, CIO | 2021-03-02 16:20:50 | 2,637 0 | 2,637 | Form 4 |
| 49 | LANE WENDY E Director | 2025-05-02 08:52:40 | 2,608 0 | 2,608 | Form 4 |
| 50 | Scannell Timothy J Director | 2025-05-02 08:54:23 | 2,608 0 | 2,608 | Form 4 |
| 51 | CLASSON ROLF A Director | 2023-12-21 17:05:29 | 1,726 0 | 1,726 | Form 4 |
| 52 | Koning John Todd SVP, Chief Accounting Officer | 2021-03-02 16:14:22 | 1,483 0 | 1,483 | Form 4 |
| 53 | Mikkelson Adam Director | 2023-06-28 16:59:09 | 1,228 0 | 1,228 | Form 4 |
| 54 | Van Ramshorst David J SVP, Chief Accounting Officer | 2020-04-15 16:27:35 | 1000 0 | 1000 | Form 4 |
| 55 | Hataishi Paul SVP, Chief Accounting Officer | 2023-02-28 16:17:26 | 0 0 | 0 | Form 3 |