(Mark One) ☒ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934For the fiscal year endedJune 30,2025or ☐TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF1934 For the transition period fromtoCommission file number001-33301 1240 Deming WayMadison,Wisconsin53717(Address of Principal Executive Offices) (Zip Code)Registrants’ telephone number, including area code:(608)824-2800Securities registered pursuant to section 12(b) of the Act: Name of Each Exchange on Which RegisteredThe Nasdaq Stock Market LLC Securities registered pursuant to section 12(g) of the Act:None Indicate by check mark if the registrant is a well‑known seasoned issuer, as defined in Rule 405 of the Securities Act. Yes☐No☒ Indicate by check mark if the registrant is not required to file reports pursuant to Section 13 or Section 15(d) of the Act. Yes☐No☒ Indicate 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 Act of 1934 duringthe preceding 12 months (or for such shorter period that the registrant was required to file such reports), and (2) has been subject to such filing requirements for thepast 90 days.Yes☒No☐ Indicate by check mark whether the registrant has submitted electronically every Interactive Data File required to be submitted pursuant to Rule 405 ofRegulation S‑T (§ 232.405 of this chapter) during the preceding 12 months (or for such shorter period that the registrant was required to submit such files).Yes☒No☐ Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, a non‑accelerated filer, a smaller reporting company, or anemerging growth company. See definitions of “large accelerated filer,” “accelerated filer,” “smaller reporting company” and “emerging growth company” in Rule12b‑2 of the Exchange Act. If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new orrevised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act.☐ Indicate by check mark whether the registrant has filed a report on and attestation to its management’s assessment of the effectiveness of its internal control overfinancial reporting under Section 404(b) of the Sarbanes-Oxley Act (15 U.S.C. 7262(b)) by the registered public accounting firm that prepared or issued its auditreport.☒ If securities are registered pursuant to Section 12(b) of the Act, indicate by check mark whether the financial statements of the registrant included in the filingreflect the correction of an error to previously issued financial statements.☐ Indicate by check mark whether any of those error corrections are restatements that required a recovery analysis of incentive-based compensation received byany of the registrant’s executive officers during the relevant recovery period pursuant to §240.10D-1(b).☐ Indicate by check mark whether the registrant is a shell company (as defined in Rule 12b‑2 of the Exchange Act). Yes☐No☒ The aggregate market value of the registrant’s common stock held by non‑affiliates of the registrant based on the last sale price for such stock on December 31,2024, the last business day of the registrant’s most recently completed second fiscal quarter was:$146,769,044. Shares of the registrant’s common stock held byeach executive officer, director and 5% stockholder have been excluded in that such persons may be deemed to be affiliates. This determination of affiliate status isnot necessarily a conclusive determination for other purposes. As of August 22, 2025, the number of outstanding shares of the registrant’s common stock, $0.001 par value, was112,677,147. Portions of the Proxy Statement for the Registrant’s 2025 Annual Meeting of stockholders to be filed within 120 days of our fiscal year end (the “2025 ProxyStatement”)are incorporated by reference in Part III of this Form 10‑K. ACCURAY INCORPORATED YEAR ENDED JUNE 30, 2025 FORM 10‑K ANNUAL REPORT TABLE OF CONTENTS PART I Item 1.Business4Item 1A.Risk Factors27Item 1B.Unresolved Staff Comments66Item 1C.Cybersecurity66Item 2.Properties68Item 3.Legal Proceedings68Item 4.Mine Safety Disclosures68PART IIItem 5.Market for Registrant’s Common Equity, Related Stockholder Matters and Issuer Purchases of EquitySecurities69Item 6.[RESERVED]69Item 7.Management’s Discussion and Analysis of Financial Condition and Results of Operations69Item 7A.Quantitative and Qualitative Disclosure About Market Risk80Item 8.Financial Statements and Supplementary Data82Item 9.Changes in and Disagreements with Accountants on Accounting and Financial Disclosure125Item 9A.Controls and Procedures125Item 9B.Other Information126Item 9C.Disclosure Regarding Foreign Jurisdictions that Prevent Inspections126PART IIIItem 10.Directors, Executive Officers and Corporate Governance128Item 11.Executive Compensation12