Optimumbank Holdings, Inc.

OPHC·AMEX·$5.49Share Price as of 11/2·$67MMarket Cap as of 11/2

Financials

10-QQ2 ended 06/30/2608/10/26 10-QQ1 ended 03/31/2605/12/26 10-KFY 202502/26/26 10-QQ3 ended 09/30/2511/10/25 10-QQ2 ended 06/30/2508/08/25

Disclosures

8-KEntry into Material Agreement; Creation of Direct Financial Obligation; Regulation FD Disclosure08/19/26 8-KRegulation FD Disclosure08/13/26 8-KResults of Operations; Regulation FD Disclosure07/24/26 8-KChange in Directors or Officers05/05/26 8-KCurrent report05/04/26

Prospectuses and Registrations

424B3Prospectus09/21/26 S-4Registration (business combination)09/10/26 424B5Prospectus supplement07/01/25 S-3Shelf registration08/09/24 424B4Prospectus07/24/24

Proxies

DEFA14AAdditional proxy materials03/31/26 DEF 14ADefinitive proxy03/26/26 PRE 14APreliminary proxy03/17/26 DEF 14ADefinitive proxy04/02/25 DEFR14ADefinitive proxy (revised)05/23/24

Ownership

SC 13G/ABeneficial ownership (amended)02/17/26 Form 4Insider transaction02/04/26 Form 4Insider transaction01/30/26 144Proposed sale of securities01/05/26 4/AInsider transaction (amended)12/09/25

Other

EFFECTRequest for effectiveness09/21/26 DEL AMDEL AM09/11/26 25Removal from listing12/30/24 8-A12B8-A12B12/19/24 CERTCEO/CFO certification12/19/24