MASI Insider Trading

Masimo Corp · full profile →Last filing Jun 10, 2026
Net Selling · 180d
Open-Market Buys (180d)
$0
0 insiders
Open-Market Sells (180d)
$2.6M
1 insiders
Net Insider Flow
-$2.6M
open market, 180d
Reporting Insiders
1
3 P/S transactions
Build

Build on these Form 4 transactions

The public view is the crawlable proof. The same sourced dataset is available through REST and MCP for agents, research scripts, and back-office tools.

Recent Form 4 Transactions

100 shown
DateInsiderRoleActionSharesPriceValue
Jun 10, 2026Lane Wendy EDirectorDisposed to issuer(D)3K$180.00$469K
Jun 10, 2026Lane Wendy EDirectorDisposed to issuer(D)1K
Jun 10, 2026Brennan MichelleDirectorDisposed to issuer(D)9K$180.00$1.7M
Jun 10, 2026Brennan MichelleDirectorDisposed to issuer(D)1K
Jun 10, 2026Politan Capital Management LPInsiderOther(J)143K
Jun 10, 2026Politan Capital Management LPInsiderOther(J)131K
Jun 10, 2026Politan Capital Management LPInsiderDisposed to issuer(D)4.6M$180.00$826.4M
Jun 10, 2026Politan Capital Management LPInsiderDisposed to issuer(D)1K
Jun 10, 2026Sampath AnandEVP, OperationsDisposed to issuer(D)34K$180.00$6.1M
Jun 10, 2026Sampath AnandEVP, OperationsDisposed to issuer(D)2K
Jun 10, 2026Sampath AnandEVP, OperationsDisposed to issuer(D)5K
Jun 10, 2026Sampath AnandEVP, OperationsDisposed to issuer(D)5K
Jun 10, 2026Sampath AnandEVP, OperationsDisposed to issuer(D)7K
Jun 10, 2026Sampath AnandEVP, OperationsDisposed to issuer(D)10K$89.13$891K
Jun 10, 2026Sampath AnandEVP, OperationsDisposed to issuer(D)10K$93.05$931K
Jun 10, 2026Sampath AnandEVP, OperationsDisposed to issuer(D)7K$46.50$336K
Jun 10, 2026Sampath AnandEVP, OperationsDisposed to issuer(D)4K$0.58$3K
Jun 10, 2026Sampath AnandEVP, OperationsDisposed to issuer(D)4K$22.47$87K
Jun 10, 2026Hataishi PaulSVP, Chief Accounting OfficerDisposed to issuer(D)13K$180.00$2.4M
Jun 10, 2026Hataishi PaulSVP, Chief Accounting OfficerDisposed to issuer(D)627
Jun 10, 2026Hataishi PaulSVP, Chief Accounting OfficerDisposed to issuer(D)910
Jun 10, 2026Hataishi PaulSVP, Chief Accounting OfficerDisposed to issuer(D)3K
Jun 10, 2026Hataishi PaulSVP, Chief Accounting OfficerDisposed to issuer(D)3K
Jun 10, 2026Hataishi PaulSVP, Chief Accounting OfficerDisposed to issuer(D)3K
Jun 10, 2026Benner TimChief Marketing OfficerDisposed to issuer(D)1K
Jun 10, 2026Benner TimChief Marketing OfficerDisposed to issuer(D)6K
Jun 10, 2026Benner TimChief Marketing OfficerDisposed to issuer(D)3K$8.12$21K
Jun 10, 2026Benner TimChief Marketing OfficerDisposed to issuer(D)3K$180.00$628K
Jun 10, 2026Dadswell CharlesEVP, General CounselDisposed to issuer(D)12K
Jun 10, 2026Dadswell CharlesEVP, General CounselDisposed to issuer(D)10K
Jun 10, 2026Hellmann Elisabeth AChief Human Resources OfficerDisposed to issuer(D)214$180.00$39K
Jun 10, 2026Hellmann Elisabeth AChief Human Resources OfficerDisposed to issuer(D)1K
Jun 10, 2026Hellmann Elisabeth AChief Human Resources OfficerDisposed to issuer(D)6K
Jun 10, 2026Hellmann Elisabeth AChief Human Resources OfficerDisposed to issuer(D)3K$30.76$88K
Jun 10, 2026Hellmann Elisabeth AChief Human Resources OfficerDisposed to issuer(D)4K$180.00$724K
Jun 10, 2026Meehan Greg AllenChief Commercial OfficerDisposed to issuer(D)2K
Jun 10, 2026Meehan Greg AllenChief Commercial OfficerDisposed to issuer(D)9K
Jun 10, 2026Meehan Greg AllenChief Commercial OfficerDisposed to issuer(D)4K$24.87$107K
Jun 10, 2026Szyman Catherine M.Chief Executive Officer, DirectorDisposed to issuer(D)8K$180.00$1.4M
Jun 10, 2026Szyman Catherine M.Chief Executive Officer, DirectorDisposed to issuer(D)22K
Jun 10, 2026Szyman Catherine M.Chief Executive Officer, DirectorDisposed to issuer(D)6K
Jun 10, 2026Szyman Catherine M.Chief Executive Officer, DirectorDisposed to issuer(D)40K
Jun 10, 2026Szyman Catherine M.Chief Executive Officer, DirectorDisposed to issuer(D)19K$13.48$251K
Jun 10, 2026Szyman Catherine M.Chief Executive Officer, DirectorDisposed to issuer(D)49K$180.00$8.9M
Jun 10, 2026Young Micah WEVP, Chief Financial OfficerDisposed to issuer(D)26K$180.00$4.6M
Jun 10, 2026Young Micah WEVP, Chief Financial OfficerDisposed to issuer(D)3K
Jun 10, 2026Young Micah WEVP, Chief Financial OfficerDisposed to issuer(D)18K
Jun 10, 2026Young Micah WEVP, Chief Financial OfficerDisposed to issuer(D)20K$95.03$1.9M
Jun 10, 2026Young Micah WEVP, Chief Financial OfficerDisposed to issuer(D)4K$93.05$388K
Jun 10, 2026Young Micah WEVP, Chief Financial OfficerDisposed to issuer(D)6K$46.50$269K
Jun 10, 2026Young Micah WEVP, Chief Financial OfficerDisposed to issuer(D)7K$0.58$4K
Jun 10, 2026Young Micah WEVP, Chief Financial OfficerDisposed to issuer(D)6K$22.47$143K
Jun 10, 2026Young Micah WEVP, Chief Financial OfficerDisposed to issuer(D)12K$53.51$640K
Jun 10, 2026Young Micah WEVP, Chief Financial OfficerDisposed to issuer(D)8K$13.48$104K
Jun 10, 2026Young Micah WEVP, Chief Financial OfficerDisposed to issuer(D)17K$180.00$3.0M
Jun 10, 2026Young Micah WEVP, Chief Financial OfficerDisposed to issuer(D)10K$180.00$1.9M
Jun 10, 2026Meehan Greg AllenChief Commercial OfficerDisposed to issuer(D)6K$180.00$1.0M
Jun 10, 2026Scannell Timothy JDirectorDisposed to issuer(D)3K$180.00$469K
Jun 10, 2026Scannell Timothy JDirectorDisposed to issuer(D)1K
Jun 10, 2026Solomon Darlene J. S.DirectorDisposed to issuer(D)3K$180.00$543K
Jun 10, 2026Solomon Darlene J. S.DirectorDisposed to issuer(D)1K
Apr 29, 2026Brennan MichelleDirectorOption exercise(M)1K$0
Apr 29, 2026Brennan MichelleDirectorOption exercise(M)1K$0
Apr 29, 2026Lane Wendy EDirectorOption exercise(M)1K$0
Apr 29, 2026Lane Wendy EDirectorOption exercise(M)1K$0
Apr 29, 2026Scannell Timothy JDirectorOption exercise(M)1K$0
Apr 29, 2026Scannell Timothy JDirectorOption exercise(M)1K$0
Apr 23, 2026Brennan MichelleDirectorGrant(A)1K$178.71$200K
Apr 23, 2026Lane Wendy EDirectorGrant(A)1K$178.71$200K
Apr 23, 2026Scannell Timothy JDirectorGrant(A)1K$178.71$200K
Apr 21, 2026Hellmann Elisabeth AChief Human Resources OfficerOption exercise(M)335$0
Apr 21, 2026Hellmann Elisabeth AChief Human Resources OfficerTax withholding(F)121$178.43$22K
Apr 21, 2026Hellmann Elisabeth AChief Human Resources OfficerOption exercise(M)335$0
Mar 12, 2026Politan Capital Management LPInsiderOther(J)131K
Mar 11, 2026Young Micah WEVP & Chief Financial OfficerOption exercise(M)873$0
Mar 11, 2026Young Micah WEVP & Chief Financial OfficerTax withholding(F)471$175.47$83K
Mar 11, 2026Young Micah WEVP & Chief Financial OfficerOption exercise(M)873$0
Mar 11, 2026Szyman Catherine M.CEO, DirectorTax withholding(F)1K$175.47$188K
Mar 11, 2026Szyman Catherine M.CEO, DirectorOption exercise(M)2K$0
Mar 11, 2026Szyman Catherine M.CEO, DirectorOption exercise(M)2K$0
Mar 11, 2026Politan Capital Management LPInsiderOther(J)143K
Mar 6, 2026Szyman Catherine M.CEO, DirectorGrant(A)40K$0
Mar 6, 2026Young Micah WEVP & Chief Financial OfficerGrant(A)18K$0
Mar 6, 2026Dadswell CharlesEVP, General CounselGrant(A)10K$0
Mar 6, 2026Sampath AnandEVP, OperationsGrant(A)7K$0
Mar 6, 2026Hellmann Elisabeth AChief Human Resources OfficerGrant(A)6K$0
Mar 6, 2026Benner TimChief Marketing OfficerGrant(A)6K$0
Mar 6, 2026Meehan Greg AllenChief Commerical OfficerGrant(A)9K$0
Feb 27, 2026Young Micah WEVP & Chief Financial OfficerGrant(A)15K$0
Feb 27, 2026Young Micah WEVP & Chief Financial OfficerTax withholding(F)8K$175.35$1.4M
Feb 27, 2026Young Micah WEVP & Chief Financial OfficerOption exercise(M)15K$0
Feb 26, 2026Young Micah WEVP & Chief Financial OfficerTax withholding(F)1K$175.22$197K
Feb 26, 2026Young Micah WEVP & Chief Financial OfficerGrant(A)2K$0
Feb 12, 2026Szyman Catherine M.CEO, DirectorOption exercise(M)11K$132.96$1.5M
Feb 12, 2026Szyman Catherine M.CEO, DirectorTax withholding(F)5K$0
Feb 12, 2026Szyman Catherine M.CEO, DirectorOption exercise(M)11K$0
Jan 28, 2026Sampath AnandEVP, Ops & Clinical ResearchOption exercise(M)30K$37.84$1.1M
Jan 28, 2026Sampath AnandEVP, Ops & Clinical ResearchSell(S)196$138.09$27K
Jan 28, 2026Sampath AnandEVP, Ops & Clinical ResearchSell(S)7K$137.22$900K
Jan 28, 2026Sampath AnandEVP, Ops & Clinical ResearchSell(S)12K$136.56$1.6M

Data Source

Insider transactions sourced from SEC EDGAR Form 4 filings, normalized within minutes of acceptance. "Buy"/"Sell" mark open-market transactions (codes P/S), the tradeable signal. Awards, option exercises and tax-withholding are shown with their raw code. All data is public domain.

Coverage: Form 4 filings indexed 2021-03-292026-07-14. Earlier history is backfilling; this window widens as it deepens.

Programmatic access via the Arkolith API & MCP server (insider.transactions, insider.company).