☒ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF1934 For fiscal year ended December 31, 2025OR TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACTOF 1934 (Exact name of registrant as specified in its charter) Registrant’s telephone number, including area code: (858)812-3400 Securities registered pursuant to Section12(b) of the Act: Securities registered pursuant to Section12(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 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 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 tosuch filing requirements for the past 90 days.YesNo☐ Indicate by check mark whether the registrant has submitted electronically every Interactive Data File required to be submitted pursuant to Rule405 of Regulation S-T (§ 232.405 of this chapter) during the preceding 12 months (or for such shorter period that the registrant was required tosubmit such files).YesNo☐ 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“emerging growth company” in Rule 12b-2 of the Exchange Act. Accelerated filerSmaller reporting companyEmerging growth company☐ Large accelerated filer☐Non-accelerated filer☐ If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying withany new or revised 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 over financial reporting under Section 404(b) of the Sarbanes-Oxley Act (15 U.S.C. 7262(b)) by the registered public accounting firmthat prepared or issue 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 registrantincluded in the filing reflect 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-basedcompensation received by any 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 Act). Yes☐No The aggregate market value of the voting common stock held by non-affiliates of the registrant, based on the closing price of the registrant’scommon stock on June30, 2025, as reported by The Nasdaq Global Select Market, was approximately $88.2 million. For the purposes of this calculation, shares owned by officers and directors (and their affiliates) have been excluded. This exclusion is not intended, nor shall it be deemed, tobe an admission that such persons are affiliates of the registrant. The registrant does not have any non-voting common stock outstanding. The number of shares of the registrant’s common stock outstanding as of February13, 2026 was 16,218,934. DOCUMENTS INCORPORATED BY REFERENCE Portions of the registrant’s definitive proxy statement for the 2026 Annual Meeting of Stockholders, to be filed with the Securities and ExchangeCommission pursuant to Regulation 14A within 120 days after the close of the registrant’s fiscal year ended December31, 2025, are incorporated byreference into Part III of this Form10-K to the extent stated herein. TABLE OF CONTENTS PagePART IItem 1.Business5Item1A.Risk Factors10Item 1B.Unresolved Staff Comments27Item 1C.Cybersecurity27Item 2.Properties29Item 3.Legal Proceedings29Item 4.Mine Safety Disclosures29PART IIItem 5.Market for Registrant’s Common Equity, Related Stockholder Matters and Issuer Purchases of Equity Securities30Item 6.Reserved30Item 7.Management’s Discussion and Analysis of Financial Condition and Results of Operations31Item 7A.Quantitative and Qualitative Disclosures About Market Risk40Item 8.Financial Statements and Supplementary Data40Item 9.Changes in and Disagreements With Accountants on Accounting and Financial Disclosure40Item 9A.Controls and Procedures41Item 9B.Other Information42Item 9C.Disclosure Regarding Foreign Jurisdictions that Prevent Inspections42PART IIIItem 10.Directors, Executive Officers and Corporate Governance43Ite