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( Mark one ) UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON , D.C. 20549 冈 ANNUAL REPORT PURSUANT TO SECTION 13 or 15 ( d ) OF THE SECURITIES EXCHANGE ACT OF 1934 For the Fiscal Year ended April 30 , 2021 FORM 10 - K TRANSITION REPORT PURSUANT TO SECTION 13 or 15 ( d ) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from Delaware ( State or other jurisdiction of incorporation or organization ) OR FREQUENCY ELECTRONICS , INC . ( Exact name of Registrant as specified in its charter ) Title of each class Common Stock ( par value $ 1.00 per share ) Commission File No. 1-8061 55 CHARLES LINDBERGH BLVD . , MITCHEL FIELD , N.Y. ( Address of principal executive offices ) Registrant's telephone number , including area code : 516-794-4500 to Trading Symbol FEIM 11-1986657 Securities registered pursuant to Section 12 ( b ) of the Act : None ( I.R.S. Employer Identification No. ) 11553 ( Zip Code ) Name of each exchange on which registered NASDAQ Global Market Securities registered pursuant to Section 12 ( g ) of the Act : 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 Exchange 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 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