Form 4 Tracker
MASIMO CORP
MASI

15 insider filings · Latest: Apr 23, 2026

Common Stock Transactions

No transactions found.

Stock Options & Derivatives
Txn DateAcceptedInsiderTypeSharesExercise PriceShares OwnedFiling
Apr 29, 2026May 5 9:03 PMTimothy J ScannellDirector
Option Exercise
1,2250(D)

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Apr 23, 2026May 5 9:03 PMTimothy J ScannellDirector
Grant/Award
1,1192,238(D)

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Apr 29, 2026May 5 9:01 PMWendy E LaneDirector
Option Exercise
1,2250(D)

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Apr 23, 2026May 5 9:01 PMWendy E LaneDirector
Grant/Award
1,1192,238(D)

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Apr 29, 2026May 5 9:00 PMMichelle BrennanDirector, Other
Option Exercise
1,2250(D)

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Apr 23, 2026May 5 9:00 PMMichelle BrennanDirector, Other
Grant/Award
1,1192,238(D)

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Apr 21, 2026May 5 8:59 PMElisabeth A HellmannChief Human Resources Officer
Option Exercise
3351,005(D)

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Mar 11, 2026Mar 16 9:21 PMCatherine M. SzymanDirector, CEO
Option Exercise
2,1016,306(D)

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Mar 11, 2026Mar 16 9:19 PMMicah W YoungEVP & Chief Financial Officer
Option Exercise
8732,622(D)

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Mar 12, 2026Mar 13 11:25 PMPolitan Capital Management LPOther
Other (J)
130,869130,869(I)

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Mar 11, 2026Mar 13 11:25 PMPolitan Capital Management LPOther
Other (J)
142,681142,681(I)

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Mar 6, 2026Mar 10 11:46 PMGreg Allen MeehanChief Commerical Officer
Grant/Award
8,5508,550(D)

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Mar 6, 2026Mar 10 11:43 PMTim BennerChief Marketing Officer
Grant/Award
6,1286,128(D)

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Mar 6, 2026Mar 10 11:05 PMElisabeth A HellmannChief Human Resources Officer
Grant/Award
5,9855,985(D)

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Mar 6, 2026Mar 10 11:02 PMAnand SampathEVP, Operations
Grant/Award
6,8406,840(D)

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Mar 6, 2026Mar 10 10:52 PMCharles DadswellEVP, General Counsel
Grant/Award
10,26110,261(D)

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Mar 6, 2026Mar 10 10:51 PMMicah W YoungEVP & Chief Financial Officer
Grant/Award
17,67117,671(D)

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Mar 6, 2026Mar 10 10:50 PMCatherine M. SzymanDirector, CEO
Grant/Award
39,90439,904(D)

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Feb 27, 2026Mar 4 1:29 AMMicah W YoungEVP & Chief Financial Officer
Option Exercise
15,0000(D)

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