MASI insider transaction filings
MASIMO CORP — 50 most recent Form 4 filings from SEC EDGAR, normalized by FilingPulse. Latest filing: 2026-06-12. Screen MASI transaction legs live →
| Filed | Form | Insider | Reported transactions | Source |
|---|---|---|---|---|
| 2026-06-12 | 4 | Meehan Greg Allen — Chief Commercial Officer | Disposition to issuer (D): 1,933 (derivative) · Disposition to issuer (D): 8,550 (derivative) · Disposition to issuer (D): 4,306 (derivative) @ $24.87 · Disposition to issuer (D): 5,801 (derivative) @ $180 | EDGAR |
| 2026-06-12 | 4 | Hataishi Paul — SVP, Chief Accounting Officer | Disposition to issuer (D): 13,317 @ $180 · Disposition to issuer (D): 627 (derivative) · Disposition to issuer (D): 910 (derivative) · Disposition to issuer (D): 3,224 (derivative) · Disposition to issuer (D): 3,380 (derivative) · Disposition to issuer (D): 3,134 (derivative) | EDGAR |
| 2026-06-12 | 4 | Politan Capital Management LP Politan Capital Management GP LLC Politan Capital Partners GP LLC Koffey Quentin | Other (J): 142,681 (derivative) · Other (J): 130,869 (derivative) | EDGAR |
| 2026-06-12 | 4 | Politan Capital Management LP Koffey Quentin Politan Capital Partners GP LLC Politan Capital Management GP LLC | Disposition to issuer (D): 4,590,873 @ $180 · Disposition to issuer (D): 1,119 (derivative) | EDGAR |
| 2026-06-12 | 4 | Hellmann Elisabeth A — Chief Human Resources Officer | Disposition to issuer (D): 214 @ $180 · Disposition to issuer (D): 1,005 (derivative) · Disposition to issuer (D): 5,985 (derivative) · Disposition to issuer (D): 2,873 (derivative) @ $30.76 · Disposition to issuer (D): 4,020 (derivative) @ $180 | EDGAR |
| 2026-06-12 | 4 | Brennan Michelle — Director | Disposition to issuer (D): 9,309 @ $180 · Disposition to issuer (D): 1,119 (derivative) | EDGAR |
| 2026-06-12 | 4 | Benner Tim — Chief Marketing Officer | Disposition to issuer (D): 1,163 (derivative) · Disposition to issuer (D): 6,128 (derivative) · Disposition to issuer (D): 2,537 (derivative) @ $8.12 · Disposition to issuer (D): 3,490 (derivative) @ $180 | EDGAR |
| 2026-06-12 | 4 | Young Micah W — EVP, Chief Financial Officer | Disposition to issuer (D): 25,656 @ $180 · Disposition to issuer (D): 2,622 (derivative) · Disposition to issuer (D): 17,671 (derivative) · Disposition to issuer (D): 20,000 (derivative) @ $95.03 · Disposition to issuer (D): 4,175 (derivative) @ $93.05 · Disposition to issuer (D): 5,788 (derivative) @ $46.50 · +6 more | EDGAR |
| 2026-06-12 | 4 | Dadswell Charles — EVP, General Counsel | Disposition to issuer (D): 11,886 (derivative) · Disposition to issuer (D): 10,261 (derivative) | EDGAR |
| 2026-06-12 | 4 | Solomon Darlene J. S. — Director | Disposition to issuer (D): 3,015 @ $180 · Disposition to issuer (D): 1,119 (derivative) | EDGAR |
| 2026-06-12 | 4 | Scannell Timothy J — Director | Disposition to issuer (D): 2,608 @ $180 · Disposition to issuer (D): 1,119 (derivative) | EDGAR |
| 2026-06-12 | 4 | Szyman Catherine M. — Chief Executive Officer, Director | Disposition to issuer (D): 7,605 @ $180 · Disposition to issuer (D): 22,283 (derivative) · Disposition to issuer (D): 6,306 (derivative) · Disposition to issuer (D): 39,904 (derivative) · Disposition to issuer (D): 18,617 (derivative) @ $13.48 · Disposition to issuer (D): 49,243 (derivative) @ $180 | EDGAR |
| 2026-06-12 | 4 | Sampath Anand — EVP, Operations | Disposition to issuer (D): 33,901 @ $180 · Disposition to issuer (D): 1,820 (derivative) · Disposition to issuer (D): 5,158 (derivative) · Disposition to issuer (D): 4,828 (derivative) · Disposition to issuer (D): 6,840 (derivative) · Disposition to issuer (D): 10,000 (derivative) @ $89.13 · +4 more | EDGAR |
| 2026-06-12 | 4 | LANE WENDY E — Director | Disposition to issuer (D): 2,608 @ $180 · Disposition to issuer (D): 1,119 (derivative) | EDGAR |
| 2026-05-05 | 4 | Hellmann Elisabeth A — Chief Human Resources Officer | Option exercise (M): 335 @ $0 · Tax withholding (F): 121 @ $178.43 · Option exercise (M): 335 (derivative) @ $0 | EDGAR |
| 2026-05-05 | 4 | Brennan Michelle — Director | Option exercise (M): 1,225 @ $0 · Option exercise (M): 1,225 (derivative) @ $0 · Grant/award (A): 1,119 (derivative) @ $178.71 | EDGAR |
| 2026-05-05 | 4 | Scannell Timothy J — Director | Option exercise (M): 1,225 @ $0 · Option exercise (M): 1,225 (derivative) @ $0 · Grant/award (A): 1,119 (derivative) @ $178.71 | EDGAR |
| 2026-05-05 | 4 | LANE WENDY E — Director | Option exercise (M): 1,225 @ $0 · Option exercise (M): 1,225 (derivative) @ $0 · Grant/award (A): 1,119 (derivative) @ $178.71 | EDGAR |
| 2026-03-16 | 4 | Young Micah W — EVP & Chief Financial Officer | Option exercise (M): 873 @ $0 · Tax withholding (F): 471 @ $175.47 · Option exercise (M): 873 (derivative) @ $0 | EDGAR |
| 2026-03-16 | 4 | Szyman Catherine M. — CEO, Director | Option exercise (M): 2,101 @ $0 · Tax withholding (F): 1,069 @ $175.47 · Option exercise (M): 2,101 (derivative) @ $0 | EDGAR |
| 2026-03-13 | 4 | Politan Capital Management LP Politan Capital Management GP LLC Politan Capital Partners GP LLC Koffey Quentin | Other (J): 142,681 (derivative) · Other (J): 130,869 (derivative) | EDGAR |
| 2026-03-10 | 4 | Meehan Greg Allen — Chief Commerical Officer | Grant/award (A): 8,550 (derivative) @ $0 | EDGAR |
| 2026-03-10 | 4 | Hellmann Elisabeth A — Chief Human Resources Officer | Grant/award (A): 5,985 (derivative) @ $0 | EDGAR |
| 2026-03-10 | 4 | Benner Tim — Chief Marketing Officer | Grant/award (A): 6,128 (derivative) @ $0 | EDGAR |
| 2026-03-10 | 4 | Young Micah W — EVP & Chief Financial Officer | Grant/award (A): 17,671 (derivative) @ $0 | EDGAR |
| 2026-03-10 | 4 | Dadswell Charles — EVP, General Counsel | Grant/award (A): 10,261 (derivative) @ $0 | EDGAR |
| 2026-03-10 | 4 | Szyman Catherine M. — CEO, Director | Grant/award (A): 39,904 (derivative) @ $0 | EDGAR |
| 2026-03-10 | 4 | Sampath Anand — EVP, Operations | Grant/award (A): 6,840 (derivative) @ $0 | EDGAR |
| 2026-03-03 | 4 | Young Micah W — EVP & Chief Financial Officer | Grant/award (A): 15,000 @ $0 · Tax withholding (F): 8,093 @ $175.35 · Option exercise (M): 15,000 (derivative) @ $0 | EDGAR |
| 2026-02-26 | 4 | Young Micah W — EVP & Chief Financial Officer | Grant/award (A): 2,034 @ $0 · Tax withholding (F): 1,123 @ $175.22 | EDGAR |
| 2026-02-13 | 4 | Szyman Catherine M. — CEO, Director | Option exercise (M): 11,141 @ $132.96 · Tax withholding (F): 4,568 @ $0 · Option exercise (M): 11,141 (derivative) @ $0 | EDGAR |
| 2026-01-30 | 4 | Sampath Anand — EVP, Ops & Clinical Research | Option exercise (M): 30,000 @ $37.84 · Sale (S): 11,924 @ $136.56 · Sale (S): 6,560 @ $137.22 · Sale (S): 196 @ $138.09 · Option exercise (M): 30,000 (derivative) @ $0 | EDGAR |
| 2025-11-17 | 4 | Ahmed Omar — CTIO & EVP of Engineering | Option exercise (M): 2,474 @ $152.43 · Tax withholding (F): 974 @ $0 · Option exercise (M): 2,474 (derivative) @ $0 | EDGAR |
| 2025-09-25 | 4 | Tripodi Blair — COO, Consumer Division | Option exercise (M): 15,000 @ $142.13 · Tax withholding (F): 8,078 @ $0 · Option exercise (M): 15,000 (derivative) @ $0 | EDGAR |
| 2025-09-03 | 4 | Dadswell Charles — Director | Holdings only — no transactions reported | EDGAR |
| 2025-08-29 | 4 | Politan Capital Management LP Politan Capital Management GP LLC Politan Capital Partners GP LLC Koffey Quentin — Director | Other (J): 126,888 @ $0 | EDGAR |
| 2025-08-14 | 4 | Brennan Michelle — Director | Purchase (P): 100 @ $150.35 · Purchase (P): 100 @ $155.25 | EDGAR |
| 2025-08-12 | 4 | Jellison William R — Director | Purchase (P): 3,000 @ $145.98 | EDGAR |
| 2025-08-11 | 4 | Brennan Michelle — Director | Grant/award (A): 766 (derivative) @ $0 | EDGAR |
| 2025-05-14 | 4 | Muhsin Bilal — Chief Operating Officer | Option exercise (M): 10,000 @ $34.51 · Sale (S): 3,881 @ $162.72 · Sale (S): 5,594 @ $163.51 · Sale (S): 525 @ $164.96 · Option exercise (M): 10,000 (derivative) @ $34.51 | EDGAR |
| 2025-05-02 | 4 | Solomon Darlene J. S. — Director | Option exercise (M): 1,790 @ $0 · Option exercise (M): 1,790 (derivative) @ $0 · Grant/award (A): 1,225 (derivative) @ $0 | EDGAR |
| 2025-05-02 | 4 | Scannell Timothy J — Director | Option exercise (M): 1,383 @ $0 · Option exercise (M): 1,383 (derivative) @ $0 · Grant/award (A): 1,225 (derivative) @ $0 | EDGAR |
| 2025-05-02 | 4 | LANE WENDY E — Director | Option exercise (M): 1,383 @ $0 · Option exercise (M): 1,383 (derivative) @ $0 · Grant/award (A): 1,225 (derivative) @ $0 | EDGAR |
| 2025-05-02 | 4 | Jellison William R — Director | Grant/award (A): 1,790 @ $0 · Option exercise (M): 1,790 (derivative) @ $0 · Grant/award (A): 1,225 (derivative) @ $0 | EDGAR |
| 2025-05-01 | 4 | Politan Capital Management LP Politan Capital Management GP LLC Politan Capital Partners GP LLC Koffey Quentin — Director | Option exercise (M): 1,790 @ $0 · Option exercise (M): 1,790 (derivative) @ $0 · Grant/award (A): 1,225 (derivative) @ $0 | EDGAR |
| 2025-05-01 | 4 | Brennan Michelle — Director | Option exercise (M): 1,790 @ $0 · Option exercise (M): 1,790 (derivative) @ $0 · Grant/award (A): 1,225 (derivative) @ $0 | EDGAR |
| 2025-05-01 | 4 | Chapek Robert A — Director | Option exercise (M): 1,790 @ $0 · Option exercise (M): 1,790 (derivative) @ $0 | EDGAR |
| 2025-05-01 | 4 | REYNOLDS CRAIG B — Director | Option exercise (M): 1,790 @ $0 · Option exercise (M): 1,790 (derivative) @ $0 | EDGAR |
| 2025-04-23 | 4 | Hellmann Elisabeth A — Chief Human Resources Officer | Grant/award (A): 2,873 (derivative) @ $0 · Grant/award (A): 1,340 (derivative) @ $0 | EDGAR |
| 2025-03-14 | 4 | Muhsin Bilal — Chief Operating Officer | Grant/award (A): 7,771 (derivative) @ $0 · Grant/award (A): 3,512 (derivative) @ $0 | EDGAR |
Recent 8-K events — MASIMO CORP
| Filed | Form | Items reported | Source |
|---|---|---|---|
| 2026-06-10 | 8-K | 1.02 — Termination of a Material Definitive Agreement 2.01 — Completion of Acquisition or Disposition of Assets 3.01 — Notice of Delisting or Failure to Satisfy a Continued Listing Rule or Standard; Transfer of Listing 3.03 — Material Modification to Rights of Security Holders 5.01 — Changes in Control of Registrant 5.02 — Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers 5.03 — Amendments to Articles of Incorporation or Bylaws; Change in Fiscal Year 9.01 — Financial Statements and Exhibits | EDGAR |
| 2026-05-04 | 8-K | 5.07 — Submission of Matters to a Vote of Security Holders 7.01 — Regulation FD Disclosure 9.01 — Financial Statements and Exhibits | EDGAR |
| 2026-04-23 | 8-K | 8.01 — Other Events | EDGAR |
| 2026-02-17 | 8-K | 1.01 — Entry into a Material Definitive Agreement 7.01 — Regulation FD Disclosure 9.01 — Financial Statements and Exhibits | EDGAR |
| 2026-01-12 | 8-K | 2.02 — Results of Operations and Financial Condition 7.01 — Regulation FD Disclosure 9.01 — Financial Statements and Exhibits | EDGAR |
| 2025-12-03 | 8-K | 7.01 — Regulation FD Disclosure 9.01 — Financial Statements and Exhibits | EDGAR |
| 2025-12-01 | 8-K | 1.01 — Entry into a Material Definitive Agreement 1.02 — Termination of a Material Definitive Agreement 2.03 — Creation of a Direct Financial Obligation or an Obligation under an Off-Balance Sheet Arrangement of a Registrant 9.01 — Financial Statements and Exhibits | EDGAR |
| 2025-11-04 | 8-K | 2.02 — Results of Operations and Financial Condition 7.01 — Regulation FD Disclosure 9.01 — Financial Statements and Exhibits | EDGAR |
| 2025-09-29 | 8-K | 9.01 — Financial Statements and Exhibits | EDGAR |
| 2025-09-23 | 8-K | 2.01 — Completion of Acquisition or Disposition of Assets 7.01 — Regulation FD Disclosure 9.01 — Financial Statements and Exhibits | EDGAR |
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