☒QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934For the quarterly period ended March 31, 2026 OR ☐TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934For the transition period from _____ to _____ Commission File Number:1-39093 BellRing Brands, Inc.(Exact name of registrant as specified in its charter) 87-3296749 Delaware (I.R.S. Employer Identification No.) (State or other jurisdiction of incorporation or organization) 1 N Brentwood Blvd., Suite 1550St. Louis, Missouri 63105(Address of principal executive offices) (Zip Code) (314) 644-7652(Registrant’s telephone number, including area code) Securities registered pursuant to Section 12(b) of the Act: 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 of1934 during the preceding 12 months (or for such shorter period that the registrant was required to file such reports), and (2) has been subject to suchfiling 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 405of Regulation S-T (§232.405 of this chapter) during the preceding 12 months (or for such shorter period that the registrant was required to submitsuch 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, oran emerging growth company. See the definitions of “large accelerated filer,” “accelerated filer,” “smaller reporting company,” and “emerging growthcompany” in Rule 12b-2 of the Exchange Act. 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 anynew or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act.☐ Indicate by check mark whether the registrant is a shell company (as defined in Rule 12b-2 of the Exchange Act). Yes☐No☒ Indicate the number of shares outstanding of each of the issuer’s classes of common stock, as of the latest practicable date: Common Stock, $0.01 par value per share – 116,277,850 shares as of April28, 2026 BELLRING BRANDS, INC.QUARTERLY REPORT ON FORM 10-QTABLE OF CONTENTS PagePART I.FINANCIAL INFORMATIONItem 1.Financial Statements (Unaudited)1Condensed Consolidated Statements of Operations (Unaudited)1Condensed Consolidated Statements of Comprehensive Income (Unaudited)2Condensed Consolidated Balance Sheets (Unaudited)3Condensed Consolidated Statements of Cash Flows (Unaudited)4Condensed Consolidated Statements of Stockholders’ Deficit (Unaudited)5Notes to Condensed Consolidated Financial Statements (Unaudited)6Item 2.Management’s Discussion and Analysis of Financial Condition and Results of Operations15Item 3.Quantitative and Qualitative Disclosures About Market Risk19Item 4.Controls and Procedures20PART II.OTHER INFORMATIONItem 1.Legal Proceedings21Item 1A.Risk Factors21Item 2.Unregistered Sales of Equity Securities and Use of Proceeds22Item 5.Other Information22Item 6.Exhibits23SIGNATURES24 PART I.FINANCIAL INFORMATION.ITEM 1.FINANCIAL STATEMENTS (UNAUDITED). BELLRING BRANDS, INC.CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME(Unaudited)(in millions) See accompanying Notes to Condensed Consolidated Financial Statements (Unaudited). BELLRING BRANDS, INC.CONDENSED CONSOLIDATED BALANCE SHEETS (Unaudited)(in millions) BELLRING BRANDS, INC.CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited)(in millions) Six Months EndedMarch 31,20262025Cash Flows from Operating ActivitiesNet earnings$77.6$135.6Adjustments to reconcile net earnings to net cash (used in) provided by operating activities:Depreciation and amortization9.89.2Non-cash stock-based compensation expense11.211.7Deferred income taxes14.6(2.5)Unrealized (gain) loss on commodity derivatives(28.9)12.5Other, net1.81.0Other changes in operating assets and liabilities:Increase in receivables, net(49.1)(45.7)Increase in inventories(79.1)(99.7)Increase in prepaid expenses and other current assets(0.4)(2.7)(Increase) decrease in other assets(7.2)1.8Increase in accounts payable and other current liabilities35.430.0Net Cash (Used in) Provided by Operating Activities(14.3)51.2 BELLRING BRANDS, INC.NOTES TO CONDENSED CONSOLIDATED FINANCIAL STATEMENTS (Unaudited)(in millions, except per share information and where indicated otherwise) NOTE1— BACKGROUND AND BASIS OF PRESENTATION BellRing Brands, Inc. is a consumer products holding company operating in the global proactive wellness category and is aprovider of ready-to-drink (“RTD”) protein shakes and powders. The Company’s principal products are protein-based consumer goodsand its primary brands arePremier ProteinandDymatize. Unless otherwise stated or the context otherw