SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM10-K (Mark One) ☒ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year endedJune30, 2025OR Premier,Inc. (Exact name of registrant as specified in its charter) 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 Rule405 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 Act of 1934 during thepreceding 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 past90days.Yes☒No☐ Indicate by check mark whether the registrant has submitted electronically every Interactive Data File required to be submitted pursuant to Rule405 of RegulationS-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 theExchange Act. 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 with any new or revisedfinancial 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 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 filing reflect thecorrection 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 any of theregistrant’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 Class A common stock held by non-affiliates of the registrant as of the last business day of the registrant's most recently completedsecond fiscal quarter was approximately $1,929.3million. For purposes of the foregoing calculation only, executive officers and directors of the registrant have beendeemed to be affiliates. As of August14, 2025, there were82,549,641shares of the registrant's Class A common stock, par value $0.01 per share, outstanding. DOCUMENTS INCORPORATED BY REFERENCE The registrant's definitive proxy statement for its 2025 Annual Meeting of Stockholders to be held on or about December5, 2025 is incorporated by reference intoPartIII hereof to the extent described herein. PREMIER, INC.FORM 10-KTABLE 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 PART II ITEM 5.MARKET FOR REGISTRANT'S COMMON EQUITY, RELATED STOCKHOLDER MATTERS ANDISSUER PURCHASES OF EQUITY SECURITIES52ITEM 6.RESERVED53ITEM 7.MANAGEMENT'S DISCUSSION AND ANALYSIS OF FINANCIAL CONDITION AND RESULTS OFOPERATIONS54ITEM 7A.QUANTITATIVE AND QUALITATIVE DISCLOSURES ABOUT MARKET RISK79ITEM 8.FINANCIAL STATEMENTS AND SUPPLEMENTARY DATA80ITEM 9.CHANGES IN AND DISAGREEMENTS WITH ACCOUNTANTS ON ACCOUNTING AND FINANCIALDISCLOSURE121ITEM 9A.CONTROLS AND PROCEDURES121ITEM 9B.OTHER INFORMATION121ITEM 9C.DISCLOSURE REGARDING FOREIGN JURISDICTIONS THAT PREVENT INSPECTIONS122 PART III ITEM 10.DIRECTORS, EXECUTIVE OFFICERS AND CORPORATE GOVERNANCE123ITEM 11.EXECUTIVE COMPENSATION123ITEM 12.SECURITY OWNERSHIP OF CERTAIN BENEFICIAL OWNERS AND MANAGEMENT AND RELATEDSTOCKHOLDER MATTERS123ITEM 13.CERTAIN RELATIONSHIPS AND RELATED TRANSACTIONS, AND DIRECTOR INDEPENDENCE124ITEM 14.PRINCIPAL ACCOUNTING FEES AND SERVICES124PART IV ITEM 15.EXHIBITS AND FINANCIAL STATEMENT SCHEDULES125ITEM 16.FORM 10-K SUMMARY128SIGNATURES129 CAUTIONARY NOTE REGARDING FORWARD-LOOKING STATEMENTS Statements made in this Annual Report on Form 10-K for the fiscal year ended June 30, 20