UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (Mark One) ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period 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 __________ to _________ Commission File Number: 000-50755 OPTIMUMBANK HOLDINGS, INC. (Exact name of registrant as specified in its charter) (State or othe ...

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (Mark One) ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended June 30, 2021 or ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from __________ to _________ Commission File Number: 000-50755 OPTIMUMBANK HOLDINGS, INC. (Exact name of registrant as specified in its charter) Florida 55-0865043 ...

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (Mark One) [X] QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended March 31, 2021 or [ ] TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from __________ to _________ Commission File Number: 000-50755 OPTIMUMBANK HOLDINGS, INC. (Exact name of registrant as specified in its charter) (State or othe ...

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 2929 East Commercial Blvd. Suite 303, Fort Lauderdale, FL 33308 (Address of principal executive offices) For the fiscal year ended December 31, 2020 Commission File Number: 000-50755 OPTIMUMBANK HOLDINGS, INC. FORM 10-K (Exact name of registrant as specified in its charter) ANNUAL REPORT (State or other jurisdiction of incorporation or organization) PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Florida 55-086504 ...