Form 10-K____________________ xANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2024 ORoTRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF1934 For the transition period fromtoCommission file No. 1-8491 Delaware 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 during thepreceding 12 months, and (2) has been subject to such filing requirements for the past 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 an emerginggrowth company. See the definitions of “large accelerated filer,” “accelerated filer,” “smaller reporting company,” and “emerging growth company” in Rule 12b-2of 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 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 Rule 12b-2 of the Exchange Act).☐The aggregate market value of the registrant’s voting Common Stock held by non-affiliates was $2,979,623,680 as of June 30, 2024. There were 627,113,698shares of the registrant’s Common Stock outstanding as of June 30, 2024, and 631,831,137 shares outstanding as of February 7, 2025. Documents incorporated by reference herein: To the extent herein specifically referenced in Part III, the information contained in the Proxy Statement for the 2025 Annual Meeting of Shareholders of theregistrant, which will be filed with the Commission pursuant to Regulation 14A within 120 days of the end of the registrant’s 2024 fiscal year, is incorporatedherein by reference. See Part III. TABLE OF CONTENTS Risk Factors SummaryPART IItem 1. BusinessIntroductionProducts and SegmentsGovernmental RegulationPhysical AssetsHuman CapitalAvailable InformationItem 1A. Risk FactorsItem 1B. Unresolved Staff CommentsItem 1C. CybersecurityItem 2. PropertiesSummaryGreens CreekLucky FridayKeno HillCasa BerardiInternal ControlsItem 3. Legal Proceedings Item 4. Mine Safety Disclosures 60PART II61Item 5. Market for Registrant’s Common Equity, Related Stockholder Matters and Issuer Purchases ofEquity Securities61Item 6. Reserved62Item 7. Management’s Discussion and Analysis of Financial Condition and Results of Operations63Overview63Consolidated Results of Operations65Greens Creek69Lucky Friday71Keno Hill73Casa Berardi75Corporate Matters77Reconciliation of Total Cost of Sales to Cash Cost, Before By-product Credits and Cash Cost, AfterBy-product Credits (non-GAAP) and All-In Sustaining Cost, Before By-product Credits and All-InSustaining Cost, After By-product Credits (non-GAAP)78Financial Liquidity and Capital Resources87Contractual Obligations and Contingent Liabilities and Commitments89Critical Accounting Estimates90 New Accounting Pronouncements92Guarantor Subsidiaries93Forward-Looking Statements94Item 7A. Quantitative and Qualitative Disclosures About Market Risk95Provisional Sales95Commodity-Price Risk Management95Foreign Currency97Item 8. Financial Statements and Supplementary Data98Item 9. Changes in and Disagreements with Accountants on Accounting and Financial Disclosure98Item 9A. Con