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.
BlackRock Portfolio Management LLC filed an amended Schedule 13G reporting its beneficial ownership of MASIMO CORPORATION common stock as of 12/31/2025. The firm reports beneficial ownership of 4,386,302 shares of common stock, representing 8.2% of the outstanding class. It has sole power to vote 4,290,570 shares and sole power to dispose of 4,386,302 shares, with no shared voting or dispositive power.
The filing explains that the shares are held by certain business units of BlackRock, Inc. and affiliates, and that various underlying persons have rights to dividends or sale proceeds, but no single person has more than five percent of the total outstanding common shares. BlackRock Portfolio Management LLC certifies that the securities were acquired and are held in the ordinary course of business and not for the purpose of changing or influencing control of Masimo.
Masimo Corporation filed an 8-K describing how it is sharing early views of its recent performance. On January 12, 2026, the company issued a press release with select preliminary financial results for the fourth quarter and full year ended January 3, 2026, with full audited figures to follow.
Management plans to review complete fourth quarter and full-year 2025 results after the market closes on February 26, 2026. On the same day as the filing, the CEO and EVP & CFO discussed select preliminary results at the 44th Annual J.P. Morgan Healthcare Conference, and Masimo also made available a supplemental 2025 earnings presentation and non-GAAP information as furnished exhibits.
Masimo Corporation (MASI) reported an insider equity transaction by its CTIO and EVP of Engineering on November 13, 2025. A previously granted award of 2,474 restricted stock units (RSUs), originally granted on November 13, 2024, vested in full and was converted into the same number of shares of common stock. To cover tax withholding obligations tied to this vesting, 974 shares were withheld by the company at a stated price of $152.43 per share for the acquisition transaction and $0 for the tax withholding entry. Following these transactions, the officer directly held 3,268 shares of Masimo common stock, reflecting the updated beneficial ownership after the RSU vesting and tax withholding.
Masimo Corporation reported third‑quarter results reflecting solid performance in healthcare operations and the completion of its consumer audio divestiture. Total revenue was
Masimo closed the Sound United sale on September 23, 2025. On the balance sheet, cash and cash equivalents increased to
Masimo Corporation furnished an 8‑K announcing it issued a press release with financial results for the quarter ended September 27, 2025, and provided a supplemental investor presentation. The press release (Exhibit 99.1) and supplemental materials (Exhibit 99.2) are furnished under Items 2.02 and 7.01 and are not deemed “filed” for Section 18 liability or incorporated by reference unless expressly stated.
The CFO planned to review third‑quarter 2025 results and an updated outlook for the remainder of fiscal 2025 on a conference call scheduled for November 4, 2025.
Masimo Corporation (MASI) insider sale notice: This Form 144 shows that 25,061 shares of Masimo common stock are proposed to be sold via Charles Schwab & Co., Inc. on 09/29/2025 with an aggregate market value of $3,553,637. The shares were acquired and paid on 09/29/2025 through an employee stock option exercise using a broker cashless exercise. The filing reports total shares outstanding of 54,324,812. The seller, identified in prior sales as Bilal Muhsin, sold 25,000 shares on 09/23/2025 for $3,518,983 and 50,000 shares on 09/26/2025 for $7,093,910. By combining the prior sales and the proposed sale, the filing documents insider dispositions totaling 100,061 shares during late September 2025. The filer certifies no undisclosed material adverse information and includes the standard Rule 144 representations.
Masimo Corporation filed an amendment to a prior current report to add unaudited pro forma financial information related to the completed sale of its consumer audio business to Harman International Industries. The amendment includes a pro forma condensed consolidated balance sheet as of June 28, 2025 and pro forma condensed consolidated statements of operations for the fiscal years ended December 28, 2024, December 30, 2023 and December 31, 2022, along with related notes.
These pro forma statements show how Masimo’s historical financials would look after applying the disposition adjustments and other transaction adjustments tied to the divestiture, helping readers understand the ongoing profile of the company after exiting the consumer audio business.
Form 144 notice for MASIMO CORP (MASI) indicates a proposed sale of 50,000 common shares acquired and to be sold on 09/26/2025 following an employee stock option exercise. The broker listed is Charles Schwab & Co., Inc. with an aggregate market value of $7,093,910.00 and the issuer's shares outstanding reported as 54,324,812. The filing shows a prior sale by the same person on 09/23/2025 of 25,000 shares for gross proceeds of $3,518,983.00. The filer certifies they are unaware of undisclosed material adverse information.
Tripodi Blair, Chief Operating Officer, Consumer Division of Masimo Corporation (MASI), reported transactions on Form 4 dated 09/23/2025. On that date 15,000 restricted stock units (granted March 1, 2024) were treated as acquired/settled using a $142.13 per-share price, and 8,078 shares were withheld to satisfy tax withholding. After these transactions the filing shows beneficial ownership figures of 21,896 and 13,818 shares for the reported classes. The filing states the RSUs fully accelerated on 09/23/2025 because Mr. Tripodi resigned for "good reason" in connection with the Company’s sale of its consumer audio business.
Form 144 filed for MASIMO CORPORATION (MASI): An individual proposes selling 25,000 common shares acquired the same day via an employee stock option exercise. The filing lists an aggregate market value of $3,518,983.00 and identifies Charles Schwab & Co., Inc. as the broker. The planned sale date is 09/23/2025 on NASDAQ.
The filing states the payment was handled by the broker as a cashless exercise. The filer reports no securities sold in the past three months and affirms they are not aware of undisclosed material adverse information about the issuer.