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UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington , D.C. 20549 FORM 10 - K [ X ] ANNUAL REPORT PURSUANT TO SECTION 13 OR 15 ( d ) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended June 30 , 2021 Commission file number : 001-15317 ResMed Inc. ( Exact name of registrant as specified in its charter ) Delaware ( State or other jurisdiction of incorporation or organization ) 98-0152841 Title of each class Common Stock , par value $ 0.004 per share ( IRS Employer Identification No. ) 9001 Spectrum Center Blvd. San Diego , CA 92123 United States of America ( Address of principal executive offices ) ( 858 ) 836-5000 ( Registrant's telephone number , including area code ) Securities registered pursuant to Section 12 ( b ) of the Act : X Trading Symbol ( s ) RMD 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 x No " Indicate by check mark if the registrant is not required to file reports pursuant to Section 13 or 15 ( d ) of the Act . Yes " No x 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 x No " Name of each exchange on which registered New York Stock Exchange 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 ( § 232.405 of this chapter ) during the preceding 12 months ( or for such shorter period that the registrant was required to submit such files ) . Yes x No " Indicate by check mark whether the registrant is a large accelerated filer , an accelerated filer , a non - accelerated filer , a 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 . Large Accelerated Filer Non - accelerated Filer Emerging Growth Company Accelerated Filer Smaller Reporting Company 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 . X Indicate by check mark whether the registrant is a shell company ( as defined in Rule 12b - 2 of the Exchange Act ) . Yes " No x The aggregate market value of the voting and non - voting common equity held by non - affiliates of registrant as of December 31 , 2020 ( the last business day of the registrant's most recently completed second fiscal quarter ) , computed by reference to the closing sale price of such stock on the New York Stock Exchange , was $ 30,662,112,869 . All directors , executive officers , and 10 % stockholders of registrant are considered affiliates . At August 12 , 2021 , registrant had 145,681,186 shares of Common Stock , $ 0.004 par value , issued and outstanding . This number excludes 41,836,234 shares held by the registrant as treasury shares . Portions of the registrant's definitive Proxy Statement to be delivered to stockholders in connection with the registrant's 2021 Annual Meeting of Stockholders , to be filed subsequent to the date hereof , are incorporated by reference into Part III of this report .