(Mark One) ☒QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIESEXCHANGE ACT OF 1934 For the quarterly period ended December 31, 2025OR TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIESEXCHANGE ACT OF 1934For the transition period fromto ______Commission file number 000-25711EXTREME NETWORKS, INC. (Exact name of registrant as specified in its charter) 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 theSecurities Exchange Act of 1934 during the preceding 12 months (or for such shorter period that the registrant was required to filesuch reports), 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 besubmitted pursuant to Rule 405 of Regulation S-T (§-232.405 of this chapter) during the preceding 12 months (or for such shorterperiod 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, asmaller reporting company 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. Large accelerated filer☒Accelerated filer☐Non-accelerated filer☐Smaller reporting company☐Emerging growth company☐ If an emerging growth company, indicate by checkmark if the registrant has elected not to use the extended transition periodfor complying with any new 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☒ As of January 23, 2026, the registrant had 134,269,540 shares of common stock, $0.001 par value per share, outstanding. EXTREME NETWORKS, INC.FORM 10-QQUARTERLY PERIOD ENDEDDecember 31, 2025 INDEX PAGEPART I. CONDENSED CONSOLIDATED FINANCIAL INFORMATIONItem 1.Condensed Consolidated Financial Statements (Unaudited)3Condensed Consolidated Balance Sheets as of December 31, 2025 and June 30, 20253Condensed Consolidated Statements of Operations for the three and six months ended December 31, 2025and 20244Condensed Consolidated Statements of Comprehensive Income (Loss) for the three and six months endedDecember 31, 2025 and 20245Condensed Consolidated Statements of Stockholders' Equity for the three and six months ended December 31,2025 and 20246Condensed Consolidated Statements of Cash Flows for the six months ended December 31, 2025 and 20247Notes to Condensed Consolidated Financial Statements8Item 2.Management’s Discussion and Analysis of Financial Condition and Results of Operations25Item 3.Quantitative and Qualitative Disclosures About Market Risk35Item 4.Controls and Procedures36PART II. OTHER INFORMATIONItem 1.Legal Proceedings37Item 1ARisk Factors37Item 2.Unregistered Sales of Equity Securities and Use of Proceeds37Item 3.Defaults Upon Senior Securities37Item 4.Mine Safety Disclosure37Item 5.Other Information37Item 6.Exhibits38Signatures39 PART I. CONDENSED CONSOLIDATED FINANCIAL INFORMATION ITEM 1. Condensed Consolidated Financial Statements (Unaudited) EXTREME NETWORKS, INC. CONDENSED CONSOLIDATED BALANCE SHEETS (In thousands, except per share amounts) (Unaudited) EXTREME NETWORKS, INC. CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS (In thousands, except per share amounts) (Unaudited) EXTREME NETWORKS, INC. CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS) (In thousands) (Unaudited) EXTREME NETWORKS, INC. CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (In thousands) (Unaudited) EXTREME NETWORKS, INC. NOTES TO CONDENSED CONSOLIDATED FINANCIAL STATEMENTS (Unaudited) 1.Description of Business and Basis of Presentation Extreme Networks, Inc., together with its subsidiaries (collectively referred to as “Extreme” or the “Company”), is a leader inproviding software-driven networking solutions for enterprise customers. The Company conducts its sales and marketing activitieson a worldwide basis through distributors, resellers, and the Company’s field sales organization. Extreme was incorporated inCalifornia in 1996 and reincorporated in Delaware in 1999. The unaudited condensed consolidated financial statements of Extreme included herein have been prepared under the rulesand regulations of the Securities and Exchange Commission (“SEC”). Certain information and footnote disclosures normallyincluded in financial statements prepared in accordance with U.S. generally accepted accounting principles have been condensed oromitted under such rules and regulations. The condensed consolidated balance sheet at June 30, 2025 was derived from auditedfinancial sta