As filed with the Commission on March 23, 2023 Registration No. 333-268318 UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 AMENDMENT NO. 3 TO FORM S-1 REGISTRATION STATEMENT UNDER THE SECURITIES ACT OF 1933 MDB CAPITAL HOLDINGS, LLC (Exact name of registrant as specified in its charter) (State or other jurisdiction of incorporation or organization) (Primary Standard Industrial Classification Code Number) Delaware 6199 87-4366624 (I.R.S. Employer Identification No.) 14135 Midway Road, ...

As filed with the Commission on February 2, 2023 Registration No. 333-268318 UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 AMENDMENT NO. 2 TO FORM S-1 REGISTRATION STATEMENT UNDER THE SECURITIES ACT OF 1933 MDB CAPITAL HOLDINGS, LLC (Exact name of registrant as specified in its charter) (State or other jurisdiction of incorporation or organization) (Primary Standard Industrial Classification Code Number) Delaware 6199 87-4366624 (I.R.S. Employer Identification No.) 14135 Midway Roa ...