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( Mark One ) ☐ 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 July 31 , 2021 Transition Report Pursuant to Section 13 or 15 ( d ) of the Securities Exchange Act of 1934 Commission File Number : 0-7928 COMTECH ( Exact name of registrant as specified in its charter ) Delaware ( State or other jurisdiction of incorporation / organization ) 68 South Service Road , Suite 230 , Melville , NY ( Address of principal executive offices ) TELECOMMUNICATIONS CORP . Title of each class Common Stock , par value $ .10 per share Series A Junior Participating Cumulative Preferred Stock , par value $ 0.10 per share 11-2139466 ( I.R.S. Employer Identification Number ) ( 631 ) 962-7000 ( Registrant's telephone number , including area code ) Securities registered pursuant to Section 12 ( b ) of the Act : Trading Symbol ( s ) CMTL 11747 ( Zip Code ) Name of each exchange on which registered NASDAQ Stock Market LLC Securities registered pursuant to Section 12 ( g ) of the Act : None ( Title of class ) 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 of 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