MASIMO CORP
MASI
32 insider filings · Latest: Jun 10, 2026
Common Stock Transactions
| Txn Date | Accepted | Insider | Type | Shares | Avg Price | Value | Shares Owned | Filing |
|---|---|---|---|---|---|---|---|---|
| Jan 28, 2026 | Jan 31 1:13 AM | Anand SampathEVP, Ops & Clinical Research | Sale | 18,680 | $136.81 | $2.6M | 40,909(D) | View → |
| Jan 28, 2026 | Jan 28 9:00 PM | Sampath Anand | Proposed Sale | 18,680 | $136.81 | $2.6M | — | View → |
| Dec 11, 2025 | Dec 11 9:07 PM | Tripodi Blair | Proposed Sale | 17,118 | $142.00 | $2.4M | — | View → |
| Nov 28, 2025 | Nov 28 6:43 PM | Ahmed Omar | Proposed Sale | 3,229 | $142.79 | $461.1K | — | View → |
| Sep 29, 2025 | Sep 29 8:46 PM | Muhsin Bilal | Proposed Sale | 25,061 | $141.80 | $3.6M | — | View → |
| Sep 26, 2025 | Sep 26 8:05 PM | Muhsin Bilal | Proposed Sale | 50,000 | $141.88 | $7.1M | — | View → |
| Sep 23, 2025 | Sep 23 8:57 PM | Muhsin Bilal | Proposed Sale | 25,000 | $140.76 | $3.5M | — | View → |
| May 13, 2025 | May 13 8:44 PM | REYNOLDS CRAIG B | Proposed Sale | 16,443 | $164.00 | $2.7M | — | View → |
| May 12, 2025 | May 12 8:39 PM | Muhsin Bilal | Proposed Sale | 10,000 | $163.24 | $1.6M | — | View → |
| May 12, 2025 | May 12 8:38 PM | Chapek Robert A | Proposed Sale | 3,455 | $163.42 | $564.6K | — | View → |
| Apr 24, 2025 | Apr 24 8:20 PM | McClenahan Thomas Samuel | Proposed Sale | 26,300 | $162.95 | $4.3M | — | View → |
| Mar 14, 2025 | Mar 14 8:10 PM | REYNOLDS CRAIG B | Proposed Sale | 2,053 | $166.13 | $341.1K | — | View → |
| Mar 10, 2025 | Mar 10 9:12 PM | Muhsin Bilal | Proposed Sale | 30,000 | $167.48 | $5.0M | — | View → |
| Mar 3, 2025 | Mar 3 9:44 PM | McClenahan Thomas Samuel | Proposed Sale | 49,000 | $191.13 | $9.4M | — | View → |
| Feb 28, 2025 | Mar 3 6:26 PM | Levy Tao | Proposed Sale | 36,537 | $187.67 | $6.9M | — | View → |
| Jan 7, 2025 | Jan 7 10:36 PM | KIANI JOE E | Proposed Sale | 302,165 | $165.65 | $50.1M | — | View → |
| Dec 16, 2024 | Dec 16 9:09 PM | Levy Tao | Proposed Sale | 15,072 | $176.73 | $2.7M | — | View → |
Stock Options & Derivatives
| Txn Date | Accepted | Insider | Type | Shares | Exercise Price | Shares Owned | Filing |
|---|---|---|---|---|---|---|---|
| Apr 21, 2026 | May 5 8:59 PM | Elisabeth A HellmannChief Human Resources Officer | Option Exercise | 335 | — | 1,005(D) | View → |
| Mar 11, 2026 | Mar 16 9:21 PM | Catherine M. SzymanDirector, CEO | Option Exercise | 2,101 | — | 6,306(D) | View → |
| Mar 11, 2026 | Mar 16 9:19 PM | Micah W YoungEVP & Chief Financial Officer | Option Exercise | 873 | — | 2,622(D) | View → |
| Mar 12, 2026 | Mar 13 11:25 PM | Politan Capital Management LPOther | Other (J) | 130,869 | — | 130,869(I) | View → |
| Mar 11, 2026 | Mar 13 11:25 PM | Politan Capital Management LPOther | Other (J) | 142,681 | — | 142,681(I) | View → |
| Mar 6, 2026 | Mar 10 11:46 PM | Greg Allen MeehanChief Commerical Officer | Grant/Award | 8,550 | — | 8,550(D) | View → |
| Mar 6, 2026 | Mar 10 11:43 PM | Tim BennerChief Marketing Officer | Grant/Award | 6,128 | — | 6,128(D) | View → |
| Mar 6, 2026 | Mar 10 11:05 PM | Elisabeth A HellmannChief Human Resources Officer | Grant/Award | 5,985 | — | 5,985(D) | View → |
| Mar 6, 2026 | Mar 10 11:02 PM | Anand SampathEVP, Operations | Grant/Award | 6,840 | — | 6,840(D) | View → |
| Mar 6, 2026 | Mar 10 10:52 PM | Charles DadswellEVP, General Counsel | Grant/Award | 10,261 | — | 10,261(D) | View → |
| Mar 6, 2026 | Mar 10 10:51 PM | Micah W YoungEVP & Chief Financial Officer | Grant/Award | 17,671 | — | 17,671(D) | View → |
| Mar 6, 2026 | Mar 10 10:50 PM | Catherine M. SzymanDirector, CEO | Grant/Award | 39,904 | — | 39,904(D) | View → |
| Feb 27, 2026 | Mar 4 1:29 AM | Micah W YoungEVP & Chief Financial Officer | Option Exercise | 15,000 | — | 0(D) | View → |
| Feb 12, 2026 | Feb 13 10:28 PM | Catherine M. SzymanDirector, CEO | Option Exercise | 11,141 | — | 22,283(D) | View → |
| Jan 28, 2026 | Jan 31 1:13 AM | Anand SampathEVP, Ops & Clinical Research | Option Exercise | 30,000 | $37.84 | 0(D) | View → |
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