Siebert Financial Corp (SIEB) · Nov 4, 2026 · Exec change

Siebert CEO change adds co-CEOs as founder-era leader steps aside

Co-CEO appointment — Richard and David Gebbia appointed effective November 4, 2026

Siebert’s CEO change keeps leadership in the Gebbia family but creates a two-person executive structure as the company expands beyond brokerage.

Siebert is a diversified financial-services holding company built around brokerage, advisory, insurance and technology, while also developing a media, sports and entertainment business. Its recent strategy has broadened beyond traditional brokerage into technology and newer operating subsidiaries, including Gebbia Media and sports-related ventures.

This is a real leadership transition, not a routine title change. Richard S. Gebbia and David J. Gebbia become co-CEOs effective November 4, while John J. Gebbia leaves the CEO role but remains chairman. 〔0〕

The move preserves family continuity but makes accountability less clear. Both incoming CEOs are experienced industry executives, but the filing provides no division of responsibilities, succession timetable or explanation for why two CEOs are needed. That matters more because Siebert is managing several businesses beyond its core brokerage operation. 〔1〕

The family connection is the central governance signal. The new co-CEOs are John Gebbia’s sons, so the appointment looks more like an internal family succession than a broadening of outside management. The filing says there were no arrangements or understandings tied to their selection, but it does not address independent succession oversight or how the co-CEO structure will operate. 〔2〕

Bottom line: This keeps leadership continuity intact, but the unexpected co-CEO structure and continued family control add governance and execution uncertainty rather than clearly advancing Siebert’s operating story.2026-11-04

Original filing on SEC EDGAR

Siebert CEO change adds co-CEOs as founder-era leader steps aside | SIEB Stock News
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