X0609 4 2026-05-28 0 0000065596 SIEBERT FINANCIAL CORP SIEB 0001727711 Gebbia Richard 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 3078127 D Common Stock, $0.01 par value per share 2026-05-28 4 P 0 15000 1.86 A 576273 I See Footnote Common Stock, $0.01 par value per share 17060603 I Control Group The Reporting Person owns 3,078,127 shares of Issuer common stock. The Reporting Person's various family members own 576,273 shares of Issuer common stock. A family member of the Reporting Person acquired 15,000 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 22,500 shares of Issuer common stock to individuals not included within the control group. Additionally, a family member of a member in the control group acquired 15,000 shares of Issuer common stock. These events resulted in a net decrease of 7,500 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/ Richard Gebbia 2026-08-28