X0609 4 2026-09-02 0 0000065596 SIEBERT FINANCIAL CORP SIEB 0001727425 Gebbia John M. false C/O SIEBERT FINANCIAL CORP. 653 COLLINS AVENUE MIAMI BEACH FL 33139 0 0 0 1 Member of 10% owner group 0 Common Stock, $0.01 par value per share 1921891 D Common Stock, $0.01 par value per share 490000 I See Footnote Common Stock, $0.01 par value per share 17050603 I Control Group The Reporting Person owns 1,921,891 shares of Issuer common stock. The Reporting Person's various family members own 490,000 shares of Issuer common stock. These shares are included in the Reporting Person's indirect beneficial ownership holdings. The Reporting Person disclaims beneficial ownership of such shares of Issuer common stock, except to the extent of the Reporting Person's pecuniary interest therein. The Reporting Person is part of a control group consisting of family members of the Reporting Person. Members of the control group gifted 10,000 shares of Issuer common stock to an individual not included within the control group, resulting in a net decrease of 10,000 shares of Issuer common stock to the control group. The Reporting Person disclaims beneficial ownership of such shares of Issuer common stock, except to the extent of the Reporting Person's pecuniary interest therein. /s/ John M. Gebbia 2026-09-04