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.
The Masimo Corporation (MASI) SEC filings page on Stock Titan provides access to the company e2 80 99s regulatory disclosures as filed with the U.S. Securities and Exchange Commission. Masimo, a Delaware corporation and global medical technology company, reports under Commission File Number 001-33642. Its filings offer detailed insight into financial performance, corporate actions, and material events related to its healthcare-focused monitoring technologies and related operations.
Recent Form 8-K filings document key developments, such as quarterly financial results, guidance updates, and significant transactions. For example, Masimo filed a Form 8-K on November 4, 2025, furnishing a press release that reported third quarter 2025 financial results for its continuing healthcare operations and provided updated full-year 2025 guidance. Earlier, on August 5, 2025, the company filed a Form 8-K to furnish second quarter 2025 results and supplemental financial information.
Masimo e2 80 99s filings also record corporate events beyond earnings. A Form 8-K dated September 23, 2025 describes the completion of the sale of its consumer audio business, Sound United, to Harman International Industries, Incorporated, including the transfer of Masimo e2 80 99s equity interests in Viper Holdings Corporation and related cash consideration. Another Form 8-K filed on August 19, 2025 notes the resignation of a board member, while additional 8-Ks provide unaudited pro forma financial information following the Sound United transaction.
Within these filings, Masimo explains its use of non-GAAP financial measures, outlining adjustments for items such as acquisition-related amortization, business transition and related costs, litigation-related expenses and settlements, realized and unrealized gains or losses, financing-related adjustments, and tax impacts. Investors reviewing this page can use the underlying documents alongside Stock Titan e2 80 99s AI-powered summaries to understand Masimo e2 80 99s reported GAAP and non-GAAP results, the impact of significant transactions, and disclosures about ongoing Apple-related litigation expenses. The filings archive is a primary source for Masimo e2 80 99s official, time-stamped communications with regulators and the market.
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.