Page 1

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington , D.C. 20549 FORM 10 - K ANNUAL REPORT PURSUANT TO SECTION 13 OR 15 ( d ) OF THE SECURITIES EXCHANGE ACT OF 1934 For the Fiscal Year Ended September 24 , 2021 OR TRANSITION REPORT PURSUANT TO SECTION 13 OR 15 ( d ) OF THE SECURITIES EXCHANGE ACT OF 1934 For the Transition Period From DOLBY LABORATORIES , INC . ( Exact name of registrant as specified in its charter ) Title of each class Class A common stock , $ 0.001 Delaware ( State or other jurisdiction of incorporation or organization ) 1275 Market Street ( Address of principal executive offices ) To Commission File Number : 001-32431 D Dolby Title of each class Class B common stock , $ 0.001 par value San Francisco ( 415 ) 558-0200 Registrant's telephone number , including area code Securities registered pursuant to Section 12 ( b ) of the Act : Trading Symbol ( s ) DLB Large accelerated filer Non - accelerated filer California par value Securities registered pursuant to Section 12 ( g ) of the Act : 90-0199783 ( I.R.S. Employer Identification No. ) X 94103-1410 ( Zip Code ) Name of each exchange on which registered The New York Stock Exchange No No ý Indicate by check mark if the registrant is a well - known seasoned issuer , as defined in Rule 405 of the Securities Act . Yes ý 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 ý No 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 ý 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 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 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 the voting common equity held by non - affiliates of the registrant as of March 26 , 2021 was $ 5.7 billion . This calculation excludes the shares of Class A and Class B common stock held by executive officers , directors and stockholders whose ownership exceeds 5 % of the combined shares of Class A and Class B common stock outstanding at March 26 , 2021. This calculation does not reflect a determination that such persons are affiliates for any other purposes . On October 29 , 2021 , the registrant had 65,073,727 shares of Class A common stock , par value $ 0.001 per share , and 36,086,779 shares of Class B common stock , par value $ 0.001 per share , outstanding . DOCUMENTS INCORPORATED BY REFERENCE Portions of the registrant's Definitive Proxy Statement to be filed with the Commission pursuant to Regulation 14A in connection with the registrant's 2022 Annual Meeting of Stockholders , to be filed subsequent to the date hereof , are incorporated by reference into Part III of this Report . Such Definitive Proxy Statement will be filed with the Securities and Exchange Commission not later than 120 days after the