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UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington , D.C. 20549 FORM 10 - K ( Mark One ) × ANNUAL REPORT PURSUANT TO SECTION 13 OR 15 ( d ) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended September 30 , 2021 or □ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15 ( d ) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from Delaware 000-55922 Commission file number Nukkleus Inc. to ( Exact name of registrant as specified in its charter ) ( State or other jurisdiction of incorporation or organization ) 38-3912845 ( I.R.S. Employer Identification No. ) 525 Washington Boulevard , Jersey City , New Jersey ( Address of principal executive offices ) 212-791-4663 Registrant's telephone number , including area code Securities registered pursuant to Section 12 ( b ) of the Act : Title of each class Not applicable . Trading Symbol ( s ) 07310 ( Zip Code ) Name of each exchange on which registered Securities registered under Section 12 ( b ) of the Exchange Act : None Securities registered under Section 12 ( g ) of the Exchange Act : Common Stock , par value $ 0.0001 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 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 and posted on its corporate Web site , if any , every Interactive Data File required to be submitted and posted 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 and post such files ) . > Yes □ No Indicate by check mark if disclosure of delinquent filers pursuant to Item 405 of Regulation S - K ( § 229.405 of this chapter ) is not contained herein , and will not be contained , to the best of registrant's knowledge , in definitive proxy or information statements incorporated by reference in Part III of this Form 10 - K or any amendment to this Form 10 - K . 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 is a shell company ( as defined in Rule 12b - 2 of the Exchange Act ) . Yes □ No ☑ The aggregate market value of the voting and non - voting common equity held by non - affiliates of the registrant was approximately $ 4,420,000 as of March 31 , 2021 , based upon the closing stock price $ 0.23 per share reported for such date . State the number of shares outstanding of each of the issuer's classes of common equity , as of the latest practicable date .