OSI Systems Inc 2025年度报告

FORM 10-K Indicate by check mark if the registrant is not required to file reports pursuant to Section13 or Section15(d) of the Act. Yes:☐No☒Indicate by check mark whether the registrant (1)has filed all reports required to be filed by Section13 or 15(d) of the Securities Exchange Act of 1934 during the preceding 12months (or for such shorter period that the registrant was required to file such reports), and (2)has been subject to such filing requirements for the past 90days.Yes:☒No☐ Indicate by check mark whether the registrant has submitted electronically every Interactive Data File required to be submitted pursuant to Rule405 ofRegulationS-T (§232.405 of this chapter) during the preceding 12months (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 an emerginggrowth company. See the definitions of “large accelerated filer,” “accelerated filer,” “smaller reporting company,” and “emerging growth company” in Rule 12b-2 of the 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 or revisedfinancial accounting standards provided pursuant to Section13(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 over financial 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 audit report.☒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 by anyof 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 Rule12b-2 of the Exchange Act). Yes:☐No☒The aggregate market value of the registrant’s voting and non-voting Common Stock held by non-affiliates computed by reference to the price at which the Common Stock was last sold on December31, 2025, the last business day of the registrant’s most recently completed second fiscal quarter, was $4,020,393,452. For purposes ofthe foregoing calculation only, executive officers and directors of the registrant have been deemed to be affiliates of the registrant. The number of shares outstanding of theregistrant’s Common Stock as of August 17, 2026 was 15,941,968. DOCUMENTS INCORPORATED BY REFERENCE Portions of the definitive proxy statement relating to the 2026 annual meeting of stockholders are incorporated by reference into PartIII. The proxy statement willbe filed by the registrant with the Securities and Exchange Commission not later than 120days after the end of the registrant’s fiscal year. TABLE OF CONTENTS Description PART IItem 1.Item 1A.Item 1B.Item 1C.Item 2.Item 3.Item 4.PART IIItem 5. Business1Risk Factors17Unresolved Staff Comments32Cybersecurity32Properties33Legal Proceedings34Mine Safety Disclosures34 Market for Registrant’s Common Equity, Related Stockholder Matters and IssuerPurchases of Equity Securities34[RESERVED]37Management’s Discussion and Analysis of Financial Condition and Results ofOperations37Quantitative and Qualitative Disclosures About Market Risk46Financial Statements and Supplementary Data47Changes in and Disagreements with Accountants on Accounting and FinancialDisclosure47Controls and Procedures47Other Information48Disclosure Regarding Foreign Jurisdictions that Prevent Inspections48 Item 6.Item 7. Item 7A.Item 8.Item 9. Item 9A.Item 9B.Item 9C.PART IIIItem 10.Item 11.Item 12. Directors, Executive Officers and Corporate Governance49Executive Compensation49Security Ownership of Certain Beneficial Owners and Management and RelatedStockholder Matters49Certain Relationships and Related Transactions, and Director Independence49Principal Accountant Fees and Services49 Item 13.Item 14.PART IVItem 15.Item 16. Exhibits and Financial Statement Schedules50Form 10-K Summary50SignaturesII-2 PARTI Forward-Looking Statements This report contains “forward-looking statements” within the meaning of the Private Securities Litigation ReformAct of 1995, Section 27A of the Securities Act of 1933, as amended, and Section 21E of the Securities Exchange Act of1934, as amended (the “Exchange Act”). Forward-looking statements relate to our current expectations, beliefs, andprojections concerning matters that are not historical facts. Words such as “project,” “believe,” “anticipate,”