MASI insider trading
NasdaqGS HealthcareMASIMO CORP: insider trade history from SEC Form 4 filings.
About MASIMO CORP
Masimo Corporation develops, manufactures, and markets various patient monitoring technologies, and automation and connectivity solutions worldwide. The company offers masimo signal extraction technology (SET) pulse oximetry with measure-through motion and low perfusion pulse oximetry monitoring to address the primary limitations of conventional pulse oximetry; Masimo rainbow SET platform, including rainbow SET Pulse CO-Oximetry products that allows noninvasive monitoring of oxygen, carboxyhemoglobin, methemoglobin, hemoglobin, fractional arterial oxygen saturation, pleth variability index, rainbow pleth variability index, respiration rate from the pleth, and oxygen reserve index, as well as acoustic respiration monitoring, NomoLine capnography and gas monitoring, and regional oximetry. It also provides brain function and hemodynamic monitoring solutions; patient position and activity tracking, and neuromodulation technology solutions; and Masimo Hospital Automation platform, including hospital automation solutions, including Patient SafetyNet, SafetyNet, Replica, Iris, MyView, UniView, Uniview: 60, Masimo Sleep, Centroid, and Bridg; and nasal high-flow respiratory support therapy, neuromodulation technology, and telehealth solutions. In addition, the company provides its products through direct sales force, distributors, and original equipment manufacturers partners to hospitals, emergency medical service and home care providers, long-term care facilities, physician offices, veterinarians, and consumers; and home wellness products through e-commerce internet sites, such as masimopersonalhealth.com, amazon.com, and shopify.com. Masimo Corporation was incorporated in 1989 and is headquartered in Irvine, California.
Company website: www.masimo.com
MASI insider activity at a glance
FilingIQ tracks 926 insider transactions for MASI in filings since Jan 2, 2015. The most recent transaction is dated Jun 10, 2026.
Across the full history, 20 open-market purchases
and 413 open-market sales
were filed under transaction codes P and S respectively. Compensatory share awards
(code A) and option exercises (code M) are tracked separately and not counted here.
The average FilingIQ composite score on MASI insider trades is 62.9/100, produced by FilingIQ's multi-factor Form 4 model. Model framework documented at methodology.
Latest MASI Form 4 filings
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Other Healthcare tickers with recent insider activity
Frequently asked
- How many insider trades does FilingIQ track for MASI?
- FilingIQ tracks 926 Form 4 insider transactions for MASI (MASIMO CORP), covering filings from Jan 2, 2015 onwards. 0 of those are dated within the last 90 days.
- Are MASI insiders net buyers or net sellers?
- Across the full Form 4 history for MASI, 20 transactions (2%) were open-market purchases and 413 (45%) were open-market sales. Compensatory awards and option exercises are filtered out of these counts.
- Where does MASI insider data come from?
- Every transaction shown on this page is sourced directly from SEC EDGAR Form 4 filings. FilingIQ normalises insider identity across reporting variations and scores discretionary open-market purchases and sales on its multi-factor composite model.
- What sector is MASI in?
- MASIMO CORP (MASI) is classified in the Healthcare sector, specifically Medical Devices, with a current market capitalisation of $9.43B.
Methodology & sources
Every MASI insider transaction shown on FilingIQ is parsed directly from a public SEC Form 4 XML filing. Insider identity is normalised across reporting variants (CIK changes, name spellings, related-party indirect holdings). The FilingIQ composite score is documented in full on the team page and algo disclosure. Not investment advice; see disclaimer.