magnite inc 2025年季度报告

☐TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934For the transition period from _____________ to _____________ Commission File Number:001-36384 New York,New York10001(Address of principal executive offices, including zip code) Trading Symbol(s)Name of each exchange on which registeredCommon stock, par value $0.00001 per shareMGNINasdaq Global Select MarketIndicate by check mark whether the registrant (1) has filed all reports required to be filed by Section 13 or 15(d) of the Securities Exchange Actof 1934 during the preceding 12 months (or for such shorter period that the registrant was required to file such reports), and (2) has been subject Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer, a smaller reportingcompany, or an emerging growth company.See the definitions of "large accelerated filer," "accelerated filer," "smaller reporting company," and Non-accelerated filer☐Smaller reporting companyEmerging growth companyIf an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying Indicate by check mark whether the registrant is a shell company (as defined in Rule 12b-2 of the Act).☐Yes☒NoIndicate the number of shares outstanding of each of the registrant's classes of common stock, as of the latest practicable date. ClassOutstanding as of May 1, 2025Common Stock, $0.00001 par value141,110,559 TABLE OF CONTENTS March 31, 2024Condensed Consolidated Statements of Stockholders' Equity for the Three Months Ended March 31, 2025 and March31, 2024 Notes to Condensed Consolidated Financial StatementsManagement's Discussion and Analysis of Financial Condition and Results of Operations Controls and ProceduresOTHER INFORMATION Note 1—Organization and Summary of Significant Accounting PoliciesCompany Overview symbol "MGNI." Magnite has its principal offices in New York City, Los Angeles, Denver, London, and Sydney, and additional offices inEurope, Asia, North America, and South America.The Company provides a technology solution to automate the purchase and sale of digital advertising inventory for buyers and sellers properties, to manage and monetize their inventory; applications and services for buyers, including advertisers, agencies, agency trading desks,and demand side platforms, to buy digital advertising inventory; and a transparent, independent marketplace that brings buyers and sellerstogether and facilitates intelligent decision making and automated transaction execution at scale. The Company's clients include many of the Sellers monetize their inventory through the Company’s platform by seamlessly connecting to a global market of integrated buyersthat transact through real-time bidding. These transactions include biddable auctions, where multiple buyers bid against each other in a real- time auction for the right to purchase a publisher's inventory, as well as reserve auctions, where publishers establish direct deals or privatemarketplaces with select buyers. At the same time, buyers leverage the Company’s platform to manage their advertising spending and reachtheir target audiences, simplify order management and campaign tracking, obtain actionable insights into audiences for their advertising, andaccess impression-level purchasing from thousands of sellers.Basis of Presentation and Summary of Significant Accounting PoliciesThe accompanying unaudited condensed consolidated financial statements have been prepared in accordance with accountingprinciples generally accepted in the United States of America, or GAAP, for interim financial information and the instructions to Form 10-Q but does not include all of the disclosures required by GAAP. The accompanying condensed consolidated financial statements should be read inconjunction with the Company's audited consolidated financial statements and notes thereto for the year ended December 31, 2024 included in its 2024 Annual Report on Form 10-K. Management has determined that the Company operates asoneoperating segment andonereportable segment. The Company’s chiefoperating decision maker ("CODM") is the Chief Executive Officer ("CEO"). The Company has one primary business activity, where it provides a platform to all of its customers, buyers and sellers, that automates the purchase and sale of digital advertising inventory globally,across all channels, formats, and auction types, as described above. The Company’s CODM reviews financial information on a consolidated basis, principally to make decisions about how to allocate resources and to measure the Company’s performance. The CODM reviewsconsolidated net income (loss), which is the measure of financial profit and loss most closely aligned with generally accepted accounting principles. The CODM considers budget-to-actual variances for this measure, predominantly in the annual budget, forecasting process, a