Lumentum：2024年度报告

Form10-K (Mark One)☒ANNUAL REPORT PURSUANT TO SECTION 13 OR 15 (d) OF THE SECURITIES EXCHANGE ACTOF 1934For the fiscal year endedJune28, 2025OR ☐TRANSITION REPORT PURSUANT TO SECTION13 OR 15(d)OF THE SECURITIES EXCHANGEACT OF 1934For the transition period from to Commission File Number001-36861Lumentum Holdings Inc.(Exact name of Registrant as specified in its charter) 1001 Ridder Park Drive,San Jose,California95131(Address of principal executive offices including Zip code) (408)546-5483(Registrant’s telephone number, including area code) Securities registered pursuant to Section12(b) of the Act: Nasdaq Global Select Market Securities registered pursuant to Section12(g) of the Act:NoneIndicate by check mark if the registrant is a well-known seasoned issuer, as defined in Rule405 of the Securities Act.Yes☒Noo Indicate by check mark if the registrant is not required to file reports pursuant to Section13 or 15(d) of the Act.Yeso No☒ Indicate by check mark whether the Registrant (1)has filed all reports required to be filed by Section13 or 15(d)of the SecuritiesExchange 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☒Noo Indicate by check mark whether the registrant has submitted electronically every Interactive Data File required to be submittedpursuant to Rule405 of Regulation S-T (§ 232.405 of this chapter) during the preceding 12 months (or for such shorter period that theregistrant was required to submit such files).Yes☒Noo Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer, a smallerreporting company, or an emerging growth company. See definition of “large accelerated filer,” “accelerated filer,” “smaller reportingcompany,” 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 forcomplying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act.o Indicate by check mark whether the registrant has filed a report on and attestation to its management’s assessment of the effectivenessof its internal control over financial reporting under Section 404(b) of the Sarbanes-Oxley Act (15 U.S.C. 7262(b)) by the registered publicaccounting 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 theregistrant included in the filing reflect the correction of an error to previously issued financial statements.o Indicate by check mark whether any of those error corrections are restatements that required a recovery analysis of incentive-basedcompensation received by any of the registrant’s executive officers during the relevant recovery period pursuant to §240.10D-1(b).o Indicate by check mark whether the registrant is a shell company (as defined in Rule12b-2 of the Exchange Act).Yes☐No☒ Theaggregate market value of the voting and non-voting common equity held by non-affiliates of the registrant wasapproximately$2,704million, based on the closing sales price of the registrant’s common stock onDecember 28, 2024(the last businessday of the registrant’s most recently completed second fiscal quarter) of$84.36per share, as reported on the Nasdaq Global Select Market.Shares of common stock held by officers, directors and holders of more than five percent of the outstanding common stock have beenexcluded from this calculation because such persons may be deemed to be affiliates. As of August12, 2025, the Registrant had69.9million shares of common stock outstanding. DOCUMENTS INCORPORATED BY REFERENCEPortions of the information called for by Part III of this Annual Report on Form 10-K are hereby incorporated by reference from the definitive proxy statement for the registrant’s annual meeting of stockholders, which will be filed with the Securities and ExchangeCommission not later than 120 days after the registrant’s fiscal year ended June28, 2025. TABLE OF CONTENTS PART I ITEM 1.BUSINESSITEM 1A.RISK FACTORSITEM 1B.UNRESOLVED STAFF COMMENTSITEM 1C.CYBERSECURITYITEM 2.PROPERTIESITEM 3.LEGAL PROCEEDINGSITEM 4.MINE SAFETY DISCLOSURES ITEM 5.MARKET FOR REGISTRANT’S COMMON EQUITY, RELATED STOCKHOLDER MATTERS ANDISSUER PURCHASES OF EQUITY SECURITIESITEM 6.RESERVEDITEM 7.MANAGEMENT’S DISCUSSION AND ANALYSIS OF FINANCIAL CONDITION AND RESULTS OFOPERATIONSITEM 7A.QUANTITATIVE AND QUALITATIVE DISCLOSURES ABOUT MARKET RISK ITEM 8.FINANCIAL STATEMENTS AND SUPPLEMENTARY DATAITEM 9.CHANGES IN AND DISAGREEMENTS WITH ACCOUNTANTS ON ACCOUNTING AND FINANCIALDISCLOSUREITEM 9A.CONTROLS AND PROCEDURESITEM 9B.OTHER INFORMATIONITEM 9C.DISCLOSURE REGARDING FOREIGN JURISDICTIONS THAT PREVENT INSPECTIONS PART