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Table of Contents ( Mark One ) UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington , D.C. 20549 FORM 10 - K ANNUAL REPORT UNDER SECTION 13 OR 15 ( d ) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended June 30 , 2021 OR 0 TRANSITION REPORT UNDER SECTION 13 OR 15 ( d ) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from State of Delaware State of Incorporation to Commission File No. 001-31298 LANNETT COMPANY , INC . ( Exact name of registrant as specified in its charter ) 23-0787699 I.R.S. Employer I.D. No. 1150 Northbrook Drive , Suite 155 Trevose , Pennsylvania 19053 Registrant's telephone number , including area code : ( 215 ) 333-9000 ( Address of principal executive offices and telephone number ) Trading Symbol ( s ) LCI Securities registered under Section 12 ( b ) of the Exchange Act : Title of each class Common Stock , $ 0.001 par value Securities registered under Section 12 ( g ) of the Exchange 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 No 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 No > 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 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 No Indicate by check mark whether the registrant is a large accelerated filer , an accelerated filer , a non - accelerated filer , or a smaller reporting company . See definitions of " large accelerated filer , " " accelerated filer , " " smaller reporting company " and " emerging growth company " in Rule 12b - 2 of the Exchange Act . ( Check one ) : Large accelerated filer Non - accelerated filer 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 . X Indicate by check mark whether the registrant is a shell company ( as defined in Rule 12B - 12 of the Exchange Act ) . Yes No > Aggregate market value of common stock held by non - affiliates of the registrant , as of December 31 , 2020 was $ 214,124,709 based on the closing price of the stock on the NYSE . As of July 31 , 2021 , there were 42,276,052 shares of the registrant's common stock , $ .001 par value , outstanding .