Siebert Financial Corp. Director Resigns; Board Appoints John M. Gebbia

What Happened Siebert Financial Corp. announced on September 22, 2026 that Gloria E. Gebbia resigned from the Company's Board of Directors to focus on public relations and philanthropic endeavors. The Company stated her resignation was not due to any disagreement with the Company. On the same date the Board appointed John M. Gebbia to fill the vacancy. John M. Gebbia serves as Co‑Chief Executive Officer of Muriel Siebert & Co., LLC, a Siebert subsidiary, and has worked in the brokerage industry since 1990.

Key Details

• Gloria E. Gebbia resigned from the Board on September 22, 2026; resignation not due to any disagreement with the Company.
• The Board appointed John M. Gebbia on September 22, 2026 to fill the vacancy.
• John M. Gebbia is Co‑CEO of Muriel Siebert & Co., LLC and has industry experience dating to 1990.
• Mr. Gebbia’s board compensation will match the Company’s other employee directors as disclosed in Siebert’s Form 10‑K for the fiscal year ended Dec. 31, 2025; any related‑party transactions are disclosed in that Form 10‑K.

Why It Matters This filing alerts investors to a change in board membership and continuity of leadership within a Siebert subsidiary. The appointment of an existing company executive (Co‑CEO of a subsidiary) may affect governance and oversight dynamics; compensation and related‑party disclosures are reported in the Company’s most recent Form 10‑K, which investors can review for further detail.