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( Mark One ) [ X ] ANNUAL REPORT PURSUANT TO SECTION 13 OR 15 ( d ) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended February 28 , 2021 For the transition period from Commission File No. 001-04978 or [ ] TRANSITION REPORT PURSUANT TO SECTION 13 OR 15 ( d ) OF THE SECURITIES EXCHANGE ACT OF 1934 UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington , D.C. 20549 to Title of Each Class Delaware ( State or Other Jurisdiction of Incorporation or Organization ) ( I.R.S. Employer Identification No. ) 3301 Electronics Way , West Palm Beach , Florida ( Address of Principal Executive Offices ) Registrant's Telephone Number , Including Area Code : None FORM 10 - K Securities registered pursuant to Section 12 ( b ) of the Act : SOLITRON DEVICES , INC . ( Exact Name of Registrant as Specified in Its Charter ) Trading Symbol ( s ) N / A Common Stock , $ 0.01 par value ( Title of Class ) 22-1684144 ( I.R.S. Employer Identification No. ) 33407 ( Zip Code ) ( 561 ) 848-4311 Name of Each Exchange on Which Registered N / A No = Yes ☐ No 区 Indicate by check mark if the registrant is a well - known seasoned issuer , as defined in Rule 405 of the Securities Act . Yes Indicate by check mark if the registrant is not required to file reports pursuant to Section 13 or Section 15 ( d ) of the Act . 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 . ( Check one ) : Large accelerated filer Accelerated filer Non - accelerated filer ( do not check if smaller reporting company ) Smaller reporting company