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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 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 KENNAMETAL INC . ( Exact name of registrant as specified in its charter ) to Commission File Number 1-5318 Pennsylvania ( State or other jurisdiction of incorporation or organization ) 525 William Penn Place Suite 3300 Pittsburgh , Pennsylvania ( Address of Principal Executive Offices ) Title of each class Capital Stock , par value $ 1.25 per share Preferred Stock Purchase Rights Registrant's telephone number , including area code : ( 412 ) 248-8000 Securities registered pursuant to Section 12 ( b ) of the Act : Trading Symbol KMT 25-0900168 ( I.R.S. Employer Identification No. ) 15219 ( Zip Code ) Name of each exchange on which registered New York Stock Exchange New York Stock Exchange 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 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 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 , 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 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 by Rule 12b - 2 of the Exchange Act ) . Yes No > As of December 31 , 2020 , the aggregate market value of the registrant's Capital Stock held by non - affiliates of the registrant , estimated solely for the purposes of this Form 10 - K , was approximately $ 1,867,500,000 . For purposes of the foregoing calculation only , all directors and executive officers of the registrant and each person who may be deemed to own beneficially more than 5 % of the registrant's Capital Stock have been deemed affiliates . As of July 31 , 2021 , there were 83,615,430 shares of the Registrant's Capital Stock outstanding . DOCUMENTS INCORPORATED BY REFERENCE Portions of the Proxy Statement for the 2021 Annual Meeting of Shareholders are incorporated by reference into Part III .