Masimo Corp (MASI) insider trading
Every open-market stock purchase and sale by Masimo Corp executives, directors, large shareholders and members of Congress, from SEC Form 4 filings. Sector: Other.
Insider activity at a glance
- Insiders sold $2.6M over the last 12 months (1 sale). No open-market buys.
- Last insider buy: Michelle Brennan (Director), $15.5K, 14 months ago.
Last 12 months: insiders bought $0 (0 buys) and sold $2.6M (1 sale). Last close $178.82 on Jun 4, 2026.
Recent MASI insider trades
| Date | Insider | Trade | Value |
|---|---|---|---|
| Jun 10, 2026 | Politan Capital Management LP (Insider) | Sold (not open market) | $826M |
| Jun 10, 2026 | Catherine M. Szyman (CEO) | Sold (not open market) | $8.9M |
| Jun 10, 2026 | Anand Sampath (VP) | Sold (not open market) | $6.1M |
| Jun 10, 2026 | Micah W Young (CFO) | Sold (not open market) | $4.6M |
| Jun 10, 2026 | Micah W Young (CFO) | Sold (not open market) | $3M |
| Jun 10, 2026 | Paul Hataishi (C-suite exec) | Sold (not open market) | $2.4M |
| Jun 10, 2026 | Micah W Young (CFO) | Sold (not open market) | $1.9M |
| Jun 10, 2026 | Micah W Young (CFO) | Sold (not open market) | $1.9M |
| Jun 10, 2026 | Michelle Brennan (Director) | Sold (not open market) | $1.7M |
| Jun 10, 2026 | Catherine M. Szyman (CEO) | Sold (not open market) | $1.4M |
| Jun 10, 2026 | Greg Allen Meehan (C-suite exec) | Sold (not open market) | $1M |
| Jun 10, 2026 | Anand Sampath (VP) | Sold (not open market) | $931K |
| Jun 10, 2026 | Elisabeth A Hellmann (Officer) | Sold (not open market) | $724K |
| Jun 10, 2026 | Micah W Young (CFO) | Sold (not open market) | $640K |
| Jun 10, 2026 | Tim Benner (C-suite exec) | Sold (not open market) | $628K |
| Jun 10, 2026 | Darlene J. S. Solomon (Director) | Sold (not open market) | $543K |
| Jun 10, 2026 | Wendy E Lane (Director) | Sold (not open market) | $469K |
| Jun 10, 2026 | Timothy J Scannell (Director) | Sold (not open market) | $469K |
| Jun 10, 2026 | Micah W Young (CFO) | Sold (not open market) | $388K |
| Jun 10, 2026 | Anand Sampath (VP) | Sold (not open market) | $336K |
| Jun 10, 2026 | Micah W Young (CFO) | Sold (not open market) | $269K |
| Jun 10, 2026 | Catherine M. Szyman (CEO) | Sold (not open market) | $251K |
| Jun 10, 2026 | Micah W Young (CFO) | Sold (not open market) | $143K |
| Jun 10, 2026 | Greg Allen Meehan (C-suite exec) | Sold (not open market) | $107K |
| Jun 10, 2026 | Micah W Young (CFO) | Sold (not open market) | $104K |
Who's trading MASI
- Greg Allen Meehan, C-suite exec: other filings, last Jun 10, 2026
- Tim Benner, C-suite exec: other filings, last Jun 10, 2026
- Michelle Brennan, Director: other filings, last Jun 10, 2026
- Micah W Young, CFO: other filings, last Jun 10, 2026
- Catherine M. Szyman, CEO: other filings, last Jun 10, 2026
- Charles Dadswell, VP: other filings, last Jun 10, 2026
- Paul Hataishi, C-suite exec: other filings, last Jun 10, 2026
- Elisabeth A Hellmann, Officer: other filings, last Jun 10, 2026
- Darlene J. S. Solomon, Director: other filings, last Jun 10, 2026
- Timothy J Scannell, Director: other filings, last Jun 10, 2026
- Anand Sampath, VP: sold $2.6M (3 sales), last Jun 10, 2026
- Wendy E Lane, Director: other filings, last Jun 10, 2026
- Politan Capital Management LP, Insider: other filings, last Jun 10, 2026
- Omar Ahmed, VP: other filings, last Nov 13, 2025
Get free alerts when an insider at Masimo Corp files a new trade →