MASIMO CORP (MASI)
Data as of , from SEC Form 4 filings.
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Darlene J. S. Solomon - DirectorDerivative$543K- Darlene J. S. Solomon - DirectorDerivative1,119 sh
- Timothy J. Scannell - Director
About MASIMO CORP (MASI)
The SEC lists MASIMO CORP under CIK 0000937556, in electromedical and electrotherapeutic apparatus. We track it alongside the rest of the Health Care sector.
MASI Form 4 activity by transaction type, last 90 days
No Form 4 activity for MASI in the last 90 days.
MASI insider transactions (Form 4)
3045 Form 4 filings on record, the earliest from Oct 18, 2024, newest first. Filing history page 2 of 2.
| Date | Insider | Transaction | Security | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Anand Sampath - Officer | Option exercise | Common Stock | 30,000 | $37.84 | $1.14M | |
| Anand Sampath - Officer | Open-market sale | Common Stock | 11,924 | $136.56 footnote F2 | $1.63M | |
| Anand Sampath - Officer | Open-market sale | Common Stock | 6,560 | $137.22 footnote F3 | $900K | |
| Anand Sampath - Officer | Open-market sale | Common Stock | 196 | $138.09 footnote F4 | $27K | |
| Anand Sampath - Officer | Option exercise | Non-Qualified Stock Option (Right to Buy) | 30,000 | $0.00 | - | |
| ||||||
| Omar Ahmed - Officer | Option exercise | Common Stock | 2,474 | $152.43 | $377K | |
| Omar Ahmed - Officer | Tax withholding / forfeiture | Common Stock | 974 footnote F1 | $0.00 | - | |
| Omar Ahmed - Officer | Option exercise | Restricted Stock Units | 2,474 | $0.00 | - | |
| ||||||
| Blair Tripodi - Officer | Option exercise | Common Stock | 15,000 | $142.13 | $2.13M | |
| Blair Tripodi - Officer | Tax withholding / forfeiture | Common Stock | 8,078 | $0.00 | - | |
| Blair Tripodi - Officer | Option exercise | Restricted Stock Units | 15,000 | $0.00 | - | |
| Politan Capital Management LP | Other | Common Stock, par value $0.001 per share | 126,888 | $0.00 | - | |
| Michelle Brennan - Director | Open-market purchase | Common Stock | 100 | $150.35 | $15K | |
| Michelle Brennan - Director | Open-market purchase | Common Stock | 100 | $155.25 | $16K | |
| William R. Jellison - Director | Open-market purchase | Common Stock | 3,000 | $145.98 | $438K | |
| Wendy E. Lane - Director | Option exercise | Common Stock | 1,383 | $0.00 | - | |
| Wendy E. Lane - Director | Option exercise | Restricted Stock Units | 1,383 | $0.00 | - | |
| Wendy E. Lane - Director | Grant or award | Restricted Stock Units | 1,225 | $0.00 | - | |
| William R. Jellison - Director | Grant or award | Common Stock | 1,790 | $0.00 | - | |
| William R. Jellison - Director | Option exercise | Restricted Stock Units | 1,790 | $0.00 | - | |
| William R. Jellison - Director | Grant or award | Restricted Stock Units | 1,225 | $0.00 | - | |
| Craig B. Reynolds - Director | Option exercise | Common Stock | 1,790 | $0.00 | - | |
| Craig B. Reynolds - Director | Option exercise | Restricted Stock Units | 1,790 | $0.00 | - | |
| Michelle Brennan - Director | Grant or award | Restricted Stock Units | 766 | $0.00 | - | |
| Tao Levy - Officer | Option exercise | Common Stock | 30,000 | $0.00 | - | |
| Tao Levy - Officer | Tax withholding / forfeiture | Common Stock | 14,398 | $161.68 | $2.33M | |
| Tao Levy - Officer | Option exercise | Restricted Stock Units | 30,000 | $0.00 | - | |
| Michelle Brennan - Officer | Grant or award | Restricted Stock Units | 8,916 | $0.00 | - | |
| Timothy J. Scannell - Director | Grant or award | Restricted Stock Units | 1,383 | $0.00 | - | |
| Wendy E. Lane - Director | Grant or award | Restricted Stock Units | 1,383 | $0.00 | - | |
Stock trades in MASI disclosed by members of the U.S. House in the last 12 months, newest first. Values are the ranges as filed.
| Member | Type | Traded | Disclosed | Value range | Owner | Days to disclose | Filing |
|---|---|---|---|---|---|---|---|
 Kevin HernRepublican, OK-01 | Sale |
MASI insider trading FAQ
What is the latest insider trade for MASI?
MASIMO CORP (MASI) has filed no insider reports in the last 90 days. The most recent on record is dated 2026-06-12. The full record for MASI runs to 45 Form 4 filings, the earliest from 2024-10-18. InsiderAlpha adds new Form 4, Form 144 and 8-K filings as they arrive from SEC EDGAR.
How many insiders are buying MASI stock?
No insider purchases of MASI were filed in the last 90 days. 3 purchases are on record for this company.
How many insiders are selling MASI stock?
No insider sales of MASI were filed in the last 90 days. 3 sales are on record for this company.
Where can I see MASI SEC filings (Form 4, 10-K, 10-Q, 8-K)?
This page collects MASI Form 4 insider transactions, Form 144 sale notices and 8-K filings in one place. Annual 10-K and quarterly 10-Q reports live on the company's SEC EDGAR page.
More Health Care companies with insider activity
Recent insider filings
10The EDGAR links open each original Form 4, so you can check any number on this page against the filing it came from.
- - Darlene J. S. Solomon view on EDGAR
- - Timothy J. Scannell view on EDGAR
- - Wendy E. Lane view on EDGAR
- - Politan Capital Management LP view on EDGAR
- - Michelle Brennan view on EDGAR
- - Paul Hataishi view on EDGAR
- - Anand Sampath view on EDGAR
- - Greg Allen Meehan view on EDGAR
- - Elisabeth A. Hellmann view on EDGAR
Related companies with recent insider activity
Learn more
- What the Form 4 transaction codes mean
- Grants, option exercises, gifts and tax withholding are not trades on the market. The codes say which is which.
- Insider activity in Health Care
- Where MASI's peers are being bought and sold.
- Every recent Form 4
- The market-wide feed, updated as filings arrive from SEC EDGAR.
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- The daily trading plan of ranked insider buys, on a delay, with the plan archive
