Indicate by check mark whether the registrant: (1)has filed all reports required to be filed by Section13 or 15(d) of the Securities ExchangeAct of 1934 during the preceding 12 months (or for such shorter period that the registrant was required to file such reports), and (2)has been Indicate by check mark whether the registrant has submitted electronically every Interactive Data File required to be submitted pursuant toRule 405 of Regulation S-T (§ 232.405 of this chapter) during the preceding 12 months (or for such shorter period that the registrant was 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 If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complyingwith 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☒ The number of shares outstanding of the registrant's common stock, par value $0.001 per share, as of January26, 2026 was 72,220,350. CAUTIONARY STATEMENT CONCERNING FORWARD-LOOKING STATEMENTS PART I: FINANCIAL INFORMATION Item1.Unaudited Financial Statements: Consolidated Balance Sheets: AtDecember31, 2025 andMarch31, 2025Consolidated Statements of Operations: For the three andnine months ended December 31, 2025 and 2024 Consolidated Statements of Comprehensive Income (Loss): For the three andnine months ended December 31,2025 and 2024Consolidated Statements of Stockholders' Equity: For thethree and nine months ended December 31, 2025 and2024 PART II: OTHER INFORMATION Item1.Legal ProceedingsItem1A.Risk FactorsItem2.Unregistered Sales of Equity Securities and Use of ProceedsItem3.Defaults Upon Senior SecuritiesItem4.Mine Safety DisclosuresItem5.Other InformationItem6.ExhibitsSIGNATURES Unless the context suggests otherwise, references in this Quarterly Report on Form 10-Q, or Quarterly Report, to "NetScout," the "Company,""we," "us," and "our" refer to NetScout Systems, Inc. and, where appropriate, our consolidated subsidiaries. NetScout, the NetScout logo, Adaptive Service Intelligence and other trademarks or service marks of NetScout appearing in this QuarterlyReport are the property of NetScout Systems, Inc. and/or its subsidiaries and/or affiliates in the United States and/or other countries. Any third- Cautionary Statement Concerning Forward-Looking Statements The following discussion and other parts of this Quarterly Report contain forward-looking statements under Section 21E of the SecuritiesExchange Act of 1934, as amended, and other federal securities laws. These forward-looking statements involve risks and uncertainties.Examples of forward-looking statements include statements that relate to future events or our future financial performance or liquidity, andother statements that are not historical fact. You can identify forward-looking statements by their use of forward-looking words such as "may,""will," "could," "should," "expects," "plans," "intends," "seeks," "anticipates," "believes," "estimates," "potential," or "continue," or thenegative of such terms or other comparable terminology. These statements are only predictions. You should not place undue reliance on theseforward-looking statements. The outcome of the events described in these forward-looking statements is subject to risks, uncertainties, andother factors, including those described in Part I, Item 1A. Risk Factors in our Annual Report on Form 10-K for our fiscal year ended March31, 2025, filed with the Securities and Exchange Commission (SEC) on May 15, 2025, and Part II, Item 1A of our Quarterly Report on Form The forward-looking statements made in this Quarterly Report on Form 10-Q relate only to events as of the date on which the statementsare made. We undertake no obligation to update any forward-looking statements made in this Quarterly Report on Form10-Q to reflect eventsor circumstances after the date of this Quarterly Report on Form 10-Q or to reflect new information or the occurrence of unanticipated events,except as required by law. We may not actually achieve the plans, intentions, or expectations disclosed in our forward-looking statements and NetScout Systems, Inc.Consolidated Statements of Comprehensive Income (Loss) NetScout Systems, Inc.Consolidated Statements of Stockholders' Equity Consolidated Statements of Stockholders' Equity(In thousands, except for per share data) NetScout Systems, Inc.Notes to Consolidated Financial Statements NOTE 1 – BASIS OF PRESENTATION The accompanying unaudited interim consolidated financial statements have been prepared by NetScout Systems,