___________________________________FORM 8-K

~~FORM~~CURRENT ~~8-K~~REPORT

~~___________________________________~~Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934

~~CURRENT~~Date ~~REPORT~~of Report (Date of earliest event reported): May 07, 2026

~~Pursuant~~NETSCOUT toSYSTEMS, ~~Section 13 or 15(d)~~INC.

(Exact name of ~~the~~registrant ~~Securities~~as ~~Exchange~~specified ~~Act~~in ofits ~~1934~~charter)

February 5, 2026


Delaware	000-26251	04-2837575
(State or Other Jurisdiction of Incorporation)	(Commission File Number)	(IRS Employer Identification No.)

310 Littleton Road
Westford, Massachusetts		01886
(Address of principal executive offices)		(Zip Code)

~~Date~~Registrant’s oftelephone ~~Report~~number, ~~(date~~including ofarea ~~earliest~~code: ~~event reported~~(978) 614-4000

~~___________________________________~~(Former name or former address, if changed since last report)

~~NETSCOUT~~Check ~~SYSTEMS,~~the ~~INC.~~appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:

~~(Exact~~☐Written ~~name~~communications ofpursuant ~~registrant~~to asRule ~~specified~~425 inunder ~~its~~the ~~charter~~Securities Act (17 CFR 230.425)

~~___________________________________~~☐Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

Delaware(State or other jurisdiction of incorporation or organization)	000-26251(Commission File Number)	04-2837575(I.R.S. Employer Identification Number)
310 Littleton RoadWestford, MA 01886
(Address of principal executive offices and zip code)
(978) 614-4000
(Registrant's telephone number, including area code)

☐Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

~~___________________________________~~☐Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

~~Check~~Securities ~~the~~registered ~~appropriate~~pursuant ~~box below if the Form 8-K filing is intended~~ to ~~simultaneously~~Section ~~satisfy~~12(b) ~~the filing obligation~~ of the ~~registrant under any of the following provisions~~Act:

☐ Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425) ☐ Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12) ☐ Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b)) ☐ Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))


Title of each class	Trading Symbol	Name of each exchange on which registered
Common Stock, par value $0.001 per share	NTCT	Nasdaq Global Select Market

Securities registered pursuant to Section 12(b) of the Act:
Title of each class	Trading Symbol	Name of each exchange on which registered
CommonStock	NTCT	Nasdaq Global Select Market

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§ 230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§ 240.12b-2 of this chapter).

~~Indicate~~Emerging ~~by check mark whether the registrant is an emerging~~ growth company ~~as defined in Rule 12b-2 of the Exchange Act.~~☐

~~Emerging~~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 revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐

IfItem an2.02. ~~emerging~~Results growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of ~~the~~Operations ~~Exchange~~and ~~Act~~Financial Condition. ☐

~~Item~~The 2following information and the Exhibit 99.~~02.~~1 ~~Results~~attached hereto shall not be deemed “filed” for purposes of ~~Operations~~Section ~~and~~18 ~~Financial~~of ~~Condition.~~the Securities Exchange Act of 1934, as amended, or otherwise subject to the liabilities of that section, nor shall it be deemed incorporated by reference in any filing under the Securities Act of 1933, as amended, except as expressly set forth by specific reference in such filing.

~~The~~On ~~following~~May ~~information~~7, ~~and~~2026, ~~the~~NetScout ~~Exhibit~~Systems, 99Inc.1 ~~attached~~(the ~~hereto~~“Company”) ~~shall~~issued ~~not~~a bepress ~~deemed~~release ~~"filed"~~regarding its financial results for ~~purposes~~the offourth ~~Section~~fiscal 18quarter ofand the ~~Securities~~fiscal ~~Exchange~~year ~~Act~~2026 ofeach ~~1934,~~ended asMarch ~~amended~~31, or2026, ~~otherwise~~its ~~subject~~expectations ~~to the liabilities~~ of ~~that~~future ~~section,~~performance ~~nor~~and ~~shall~~its itintention beto ~~deemed~~hold ~~incorporated~~a byconference ~~reference~~call inregarding ~~any~~these ~~filing~~topics. ~~under~~The ~~the~~Company's ~~Securities~~press ~~Act~~release ofis ~~1933,~~furnished as ~~amended,~~Exhibit ~~except~~99.1 asto ~~expressly~~this ~~set forth by specific reference in such filing~~report.

OnItem ~~February 5, 2026, NetScout Systems, Inc~~9.01. ~~(the~~Financial ~~"Company")~~Statements ~~issued a press release regarding its financial results for the third quarter of fiscal year 2026 ended December 31, 2025, its expectations of future performance~~ and ~~its intention to hold a conference call regarding these topics~~Exhibits. ~~The Company's press release is furnished as Exhibit 99.1 to this report.~~

~~Item~~(d) ~~9.01. Financial Statements and~~ Exhibits.

~~(d) Exhibits.~~The Company hereby furnishes the following exhibit:

The Company hereby furnishes the following exhibit:


Exhibit Number	Description
99.1	Press release titled "NETSCOUT Reports Fourth Quarter and Full Fiscal Year 2026 Financial Results" issued by NetScout Systems, Inc. on May 7, 2026.
104	Cover Page Interactive Data File - the cover page XBRL tags are embedded within the Inline XBRL document.

Exhibit Number			Description
99.1			Press release titled "NETSCOUT Reports Third Quarter Fiscal Year 2026 Financial Results" issued by NetScout Systems, Inc. on February 5, 2026
104			Cover Page Interactive Data File - the cover page XBRL tags are embedded within the Inline XBRL document.

SIGNATURE

~~SIGNATURE~~Pursuant to the requirements of the Securities Exchange Act of 1934, as amended, the Registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized on this 7th day of May, 2026.

~~Pursuant~~NETSCOUT ~~to the requirements of the Securities Exchange Act of 1934~~SYSTEMS, asINC. ~~amended,~~By: ~~the~~/s/ ~~Registrant~~Anthony ~~has~~Piazza ~~duly~~Name: ~~caused~~Anthony ~~this~~Piazza ~~report~~Title: toExecutive beVice ~~signed~~President onand ~~its~~Chief ~~behalf~~Financial ~~by the undersigned hereunto duly authorized on this 5th day of February, 2026.~~Officer

NETSCOUT SYSTEMS, INC. By: /s/ Anthony Piazza Name: Anthony Piazza Title: Executive Vice President and Chief Financial Officer

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