MASIMO CORP (MASI)
Latest MASI Insider Trades
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.
90-Day SEC Filing Activity
| Form 4 transaction type | Transactions | Shares | Total value |
|---|---|---|---|
| Derivative transaction | 57 | 484,760 | |
| Other acquisition / disposition | 2 | 273,550 |
Dollar totals are shown for open-market purchases and sales only. Grants, option exercises, gifts and tax withholding are reported by share count because they are not trades at a market price.
MASI Insider Transactions (Form 4)
9445 Form 4 filings on record, the earliest from Oct 18, 2024, newest first. Filing history page 1 of 2.
| Date | Insider | Transaction | Security | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Darlene J. S. Solomon - Director | Derivative | Common Stock |
Recent MASI Form 8-K Filings
3MASI Insider Trading - FAQ
What is the latest insider trade for MASI?
MASIMO CORP (MASI) had 13 insider filings in the last 90 days, with the most recent on 2026-06-12. The full record for MASI runs to 45 Form 4 filings, the earliest from 2024-10-18. InsiderAlpha tracks every Form 4, Form 144, and 8-K filing in real time.
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 tracks MASI Form 4 insider transactions, Form 144 sale notices, and 8-K material event disclosures in one timeline. Annual 10-K and quarterly 10-Q reports live on the company's SEC EDGAR page.
How can I follow MASI insider buys?
Create a free InsiderAlpha account and press Watch on this page to add MASI to your watchlist. A free account also opens the full scored daily plan with every past day and 3 months of price history. No card is required. Sign up at https://insideralpha.ai/register.
More Health Care Companies with Insider Activity
Recent Insider Filings
10Every Form 4 below links to the original document on SEC EDGAR, so the numbers on this page can be checked against the filing they 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 - Recent Insider Activity
Learn More
- What is SEC Form 4?
- The filing insiders must submit within two business days of a trade, and how to read its transaction codes.
- Insider activity in Health Care
- Where MASI's peers are being bought and sold.
- Every recent Form 4
- The full market-wide feed, updated as filings arrive from SEC EDGAR.
Track MASI insider activity as it files
Real-time Form 4 alerts, AI-scored daily trade ideas and 10b5-1 plan flags.
