Welcome to our dedicated page for Masimo SEC filings (Ticker: MASI), a comprehensive resource for investors and traders seeking official regulatory documents including 10-K annual reports, 10-Q quarterly earnings, 8-K material events, and insider trading forms.
Masimo’s dual focus on noninvasive patient-monitoring sensors and high-fidelity consumer audio means its SEC disclosures span everything from hospital connectivity contracts to headphone royalty agreements. Digging through the 300-page 10-K to pinpoint segment revenue or R&D spend can feel impossible—and that’s before you chase down Form 4 trades by clinicians on the advisory board.
Our platform solves that problem. Stock Titan delivers AI-powered summaries that turn complicated language into clear insight, so understanding Masimo SEC documents with AI becomes routine. Need the latest Masimo quarterly earnings report 10-Q filing? It’s indexed alongside an AI synopsis of sensor-unit growth. Want alerts on Masimo insider trading Form 4 transactions? You’ll receive Masimo Form 4 insider transactions real-time, complete with context. Even the dense Masimo proxy statement executive compensation is broken down to show incentive metrics tied to patient-safety outcomes.
Here’s what investors routinely monitor:
- Masimo annual report 10-K simplified—segment margins, patent litigation, and hospital adoption data.
- Masimo 8-K material events explained—FDA clearances, supply-chain updates, or audio-brand launches.
- Masimo executive stock transactions Form 4—track insider sentiment before product releases.
- Masimo earnings report filing analysis—AI extracts cash-flow trends and sensor ASP changes.
With real-time EDGAR feeds, comprehensive coverage of every form, and expert commentary, Masimo SEC filings explained simply are finally within reach—saving hours and sharpening decisions.
Politan Capital and affiliated entities disclosed a Form 4 reporting an internal distribution of Masimo Corporation (MASI) shares. On 08/29/2025 the Reporting Persons recorded a Code J(1) transaction showing 126,888 shares disposed at a reported price of $0, with an explanatory footnote stating those shares were distributed to a limited partner and were not sold in the open market. After the reported distribution, the Reporting Persons collectively beneficially owned 4,589,648 shares on an indirect basis. The filing is joint by Politan Capital Management LP, its GP entities, and Quentin Koffey, who is identified as a director and managing partner; signatures are dated 08/29/2025.
Joe Kiani reports beneficial ownership of 6,583,783 shares of Masimo Corporation common stock, representing 11.4% of the class using a base of 54,324,812 shares outstanding. The position combines shares held directly, shares held in trusts, retirement-plan shares and multiple equity awards and options.
A substantial portion of the reported holdings is the subject of active dispute: the filing includes 368,252 shares from exercised options the company declined to process, a claimed 2,700,000-share RSU award, 158,450 accelerated options, 198,225 performance RSUs (PSUs) and 85,255 vested options that the issuer contends were cancelled. The issuer has filed claims in the Court of Chancery of the State of Delaware challenging entitlement to some awards; the reporting person disputes the issuer’s position.
The reporting person discloses sole voting and dispositive power over 6,545,048 shares and shared voting and dispositive power over 38,735 shares, and states the reporting person’s spouse is entitled to receive dividends and sale proceeds for certain shares.
Masimo Corporation director William R. Jellison reported an open-market purchase of common stock on 08/11/2025. The Form 4 shows a purchase of 3,000 shares at a weighted average price of $145.98 per share; the reported purchase prices ranged from $145.84 to $146.00. After the transaction the reporting person beneficially owned 4,790 shares, held in a direct form of ownership.
The filing includes an explanation that the reported price is a weighted average of open market trades and the reporting person offers to provide full transaction details on request. The transaction is recorded with code P indicating a purchase; no derivative transactions are reported.
Ahmed Omar, CTIO & EVP of Engineering at Masimo Corporation, reports direct ownership of 1,768 common shares and beneficial ownership of 32,060 restricted stock units (RSUs), representing a total potential interest of 33,828 shares. Most RSU grants vest ratably over five years with 20% vesting each anniversary; one grant vests in full on its first anniversary.
Greg Allen Meehan, Chief Commercial Officer of Masimo Corporation (MASI), received time‑based equity awards tied to company stock. He was granted a non‑qualified stock option for 4,306 shares at an exercise price of $155.13 that vests 20% each year over five years and expires on 07/21/2035. He also received 1,933 restricted stock units that vest 25% annually over four years, with each RSU convertible into one share upon vesting.
Tim Benner, Chief Marketing Officer of Masimo Corporation (MASI), reports initial equity awards granted June 9, 2025. He holds a non‑qualified stock option for 2,537 shares with an exercise price of $171.88 that vests 20% on each anniversary over five years, and 1,163 restricted stock units that vest 25% on each anniversary over four years. Each RSU converts to one share upon vesting.
Michelle Brennan, a director and the Chairman of the Board at Masimo Corporation (MASI), received a grant of 766 restricted stock units (RSUs). Each RSU converts to one share of common stock upon vesting. The RSUs were granted on 04/29/2025, carry no purchase price, and will vest in full on the earlier of the first anniversary of the grant or the next annual meeting of stockholders. After the grant, Ms. Brennan beneficially owns 766 shares attributable to these RSUs in a direct ownership form.
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