Page 1

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington , D.C. 20549 Form 10 - K ( Mark One ) ANNUAL REPORT PURSUANT TO SECTION 13 OR 15 ( d ) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended June 30 , 2021 OR TRANSITION REPORT PURSUANT TO SECTION 13 OR 15 ( d ) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Delaware ( State or other jurisdiction of incorporation or organization ) 2121 RDU Center Drive , Suite 300 Morrisville , North Carolina ( Address of principal executive offices ) Extreme Networks , Inc. ( Exact name of Registrant as specified in its charter ) Securities registered pursuant to Section 12 ( b ) of the Act : Title of each class Common Stock , par value $ 0.001 per share Commission file number 001-40423 Large Accelerated Filer Non - Accelerated Filer Emerging growth company Registrant's telephone number , including area code : ( 408 ) 579-2800 ☐ 77-0430270 ( I.R.S. Employer Identification No. ) Trading Symbol ( s ) EXTR 27560 ( Zip Code ) Securities registered pursuant to Section 12 ( g ) of the Act : None Indicate by check mark if the Registrant is a well - known seasoned issuer , as defined in Rule 405 of the Securities Act . Yes Indicate by check mark if the Registrant is not required to file reports pursuant to Section 13 or Section 15 ( d ) of the Act . Yes 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 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 subject to such filing requirements for the past 90 days . Yes No Name of each exchange on which registered Nasdaq Global Select Market Indicate by check mark whether the Registrant has submitted electronically every Interactive Data File required to be submitted pursuant to Rule 405 of Regulation S - T ( §229.405 of this chapter ) during the preceding 12 months ( or for such shorter period that the registrant was required to submit such files ) . Yes No No ® No > Indicate by check mark whether the registrant is a large accelerated filer , an accelerated filer , a non - accelerated filer , smaller 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 . Accelerated Filer Smaller reporting company 0 0 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 . 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 over financial 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 . Indicate by check mark whether the registrant is a shell company ( as defined in Rule 12b - 2 of the Exchange Act ) . Yes No The aggregate market value of voting common equity held by non - affiliates of the Registrant was approximately $ 0.6 billion as of December 31 , 2020 the last business day of the Registrant's most recently completed second fiscal quarter , based upon the per share closing price of the Registrant's common stock as reported on The Nasdaq Global Market reported on such date . For purposes of this disclosure , shares of common stock held or controlled by executive officers and directors of the registrant and by persons who hold more than 5 % of the outstanding shares of common stock have been treated as shares held by affiliates . This calculation does not reflect a determination that certain persons are affiliates of the Registrant for any other purpose . Indicate the number of shares outstanding of each of the registrant's classes of stock , as of the latest practicable date . 129,512,622 shares of the Registrant's Common stock , $ .001 par value , were outstanding as of August 20 , 2021 . DOCUMENTS INCORPORATED BY REFERENCE Portions of the registrant's definitive proxy statement for the year ended June 30 , 2021 Annual Meeting of Stockholders to be filed with the Commission pursuant to Regulation 14A not later than 120 days after the end of the fiscal year covered by this Annual Report on Form 10 - K are incorporated herein by reference in Part III of this Annual Report on Form 10 - K .