Insider activity at Masimo Corp has been all selling for a year now: about $2.6 million from one seller, and zero buyers on the open market.
Keep in mind most insider selling is routine — stock-based pay has to be converted to cash at some point.
Zooming out by quarter: No open-market insider buying or selling in the last full quarter. Insiders bought in 1 of the last 7 full quarters. MASI also shows up in congressional disclosures: 1 reported trade from one lawmaker in two years.
| Filed | Insider | Role | Type | Shares | Price | Value | Source |
|---|---|---|---|---|---|---|---|
| Jan 30, 2026 | Sampath Anand | Executive Officer | Sell | 196 | $138.09 | $27K | SEC |
| Jan 30, 2026 | Sampath Anand | Executive Officer | Sell | 6,560 | $137.22 | $900K | SEC |
| Jan 30, 2026 | Sampath Anand | Executive Officer | Sell | 11,924 | $136.56 | $1.6M | SEC |
| Aug 14, 2025 | Brennan Michelle | Director | Buy | 100 | $155.25 | $16K | SEC |
| Aug 14, 2025 | Brennan Michelle | Director | Buy | 100 | $150.35 | $15K | SEC |
| Aug 12, 2025 | Jellison William R | Director | Buy | 3,000 | $145.98 | $438K | SEC |
| May 14, 2025 | Muhsin Bilal | COO | Sell | 525 | $164.96 | $87K | SEC |
| May 14, 2025 | Muhsin Bilal | COO | Sell | 5,594 | $163.51 | $915K | SEC |
| May 14, 2025 | Muhsin Bilal | COO | Sell | 3,881 | $162.72 | $632K | SEC |
| Mar 14, 2025 | REYNOLDS CRAIG B | Director | Sell | 2,053 | $166.13 | $341K | SEC |
| Mar 12, 2025 | Muhsin Bilal | COO | Sell | 10,087 | $166.03 | $1.7M | SEC |
| Mar 12, 2025 | Muhsin Bilal | COO | Sell | 1,716 | $171.76 | $295K | SEC |
| Mar 12, 2025 | Muhsin Bilal | COO | Sell | 1,700 | $167.97 | $286K | SEC |
| Mar 12, 2025 | Muhsin Bilal | COO | Sell | 6,965 | $170.86 | $1.2M | SEC |
| Mar 12, 2025 | Muhsin Bilal | COO | Sell | 1,436 | $166.71 | $239K | SEC |
| Filed | Member | Type | Amount | Source |
|---|---|---|---|---|
| Oct 16, 2025 | Kevin Hern R | Sale | $15,001 - $50,000 | Official filing |
In the last 12 months Masimo Corp insiders made open-market purchases worth about $0 and sales worth about $2.6 million. Data comes from SEC Form 4 filings, updated every 30 minutes on CapitalSnitch.
The most recent open-market insider trade in MASI was filed on 2026-01-30.
Yes. Members of Congress reported 1 trades in MASI over the past two years. The full list is free on CapitalSnitch.
Public-record data for research and education, not investment advice. Insider sales are often pre-planned (10b5-1). Congress data: Data derived from public disclosures filed under the Ethics in Government Act and the STOCK Act, republished free for public transparency and news reporting. Disclosures may lag the trade by 45 days or more and show amounts only as ranges. This data may not be used for credit rating, loan underwriting, solicitation of money (political, charitable or other), direct-mail or commercial targeting (5 U.S.C. 13107).