Growth in Advisory, Principal Transactions; Retail Accounts and Customer Net Worth Continue to Increase

Siebert Financial Corp. (NASDAQ: SIEB) (“Siebert”), a diversified provider of financial services, today reported financial results for the third quarter ended September 30, 2026.

Third Quarter 2026 Financial and Operational Highlights*

• Advisory fees increased 38% to $1.1 million, compared with $0.8 million in the prior-year quarter.
• Principal transaction revenue increased 8% to $4.7 million, compared with $4.3 million in the prior-year quarter, primarily due to market conditions.
• Commissions and fees increased 5% to $2.4 million, compared with $2.3 million in the prior-year quarter.
• Retail customer net worth increased by 7% to $20.8 billion as of September 30, 2026, from $19.5 billion as of December 31, 2025.
• Number of retail accounts increased 7% to 177,666, compared with 166,217 as of December 31, 2025.
• Total revenue was $24.7 million, compared with $26.8 million in the prior-year quarter, primarily reflecting lower stock borrow/stock loan revenue due to market conditions.

Leadership Transition

On November 3, 2026, Siebert announced a new leadership structure designed to support the Company’s continued growth and long-term strategic objectives. John J. Gebbia will continue serving as Chairman of the Board, while David J. Gebbia and Richard S. Gebbia have been appointed Co-Chief Executive Officers of Siebert Financial Corp. Additionally, John M. Gebbia has been appointed Chief Executive Officer of Muriel Siebert & Co., LLC and joined Siebert Financial Corp.’s Board of Directors. The transition reflects Siebert’s commitment to strengthening its leadership team, supporting its expanding businesses and positioning Siebert for its next phase of growth.

Third Quarter 2026 and Recent Business Highlights

• Strategic partnership with Unusual Whales.
  In August 2026, Siebert entered into a five-year licensing and marketing services agreement supporting the development, launch, and management of exchange-traded funds utilizing Unusual Whales branding and market data. The relationship combines Siebert’s established financial infrastructure and investment expertise with Unusual Whales’ market intelligence and data capabilities. Siebert believes the partnership can create new investment products and expand access to market insights that have traditionally sat outside conventional financial research.
  
  
• Expanded strategic relationship with FusionIQ.
  During the third quarter, Siebert increased its investment in FusionIQ by an additional $1 million and expanded the companies’ strategic relationship across technology, distribution, product development and commercialization. The investment supports Siebert’s broader strategy to expand its digital wealth capabilities, modernize financial infrastructure and create new products and distribution channels.
  
  
• Continued investment in financial technology and new products.
  The Unusual Whales and FusionIQ relationships reflect Siebert’s strategy of combining its regulated financial infrastructure with technology, data and new forms of market access. The Company continues to invest in capabilities that can support multiple businesses across wealth management, brokerage, investment banking and financial technology.

Management Commentary

“Third-quarter results demonstrate the benefit of continuing to build a broader Siebert platform,” said John M. Gebbia, CEO of Muriel Siebert & Co. “Stock loan revenue was lower as market conditions changed, but we delivered growth across advisory, commissions and principal transactions. At the same time, relationships with Unusual Whales and FusionIQ are expanding what we can build, distribute and offer through the Siebert platform.”

“Our focus is on creating businesses and infrastructure that can scale,” said David Gebbia, Co-CEO of Siebert Financial. “We are investing across financial technology, data-driven investment products and distribution while continuing to strengthen our established businesses.”

Andrew Reich, CFO of Siebert Financial, commented, “We are continuing to invest in technology, new products, distribution and business infrastructure. Our focus remains on disciplined expense management and converting those investments into stronger operating performance and long-term earnings power.”

*Refer to Siebert’s Quarterly Report on Form 10-Q for the quarter ended September 30, 2026, including Item 2, Management’s Discussion and Analysis of Financial Condition and Results of Operations, for additional detail.

About Siebert Financial Corp.

Siebert is a diversified financial services company and has been a member of the NYSE since 1967, when Muriel Siebert became the first woman to own a seat on the NYSE and the first woman to head one of its member firms.

Siebert operates through its subsidiaries Muriel Siebert & Co., LLC, Siebert AdvisorNXT, LLC, Park Wilshire Companies, Inc., RISE Financial Services, LLC, Siebert Technologies, LLC, StockCross Digital Solutions, Ltd., Gebbia Media LLC and Siebert Crypto, LLC.

Through these entities, Siebert provides a range of brokerage and financial advisory services, including securities brokerage, investment banking and capital markets services, investment advisory and insurance offerings, securities lending and corporate stock plan administration solutions, as well as sports management, entertainment, and media productions.

For over 55 years, Siebert has been a company that values its clients, shareholders and employees.

More information is available at siebert.com.

Cautionary Note Regarding Forward-Looking Statements

The statements contained in this press release that are not historical facts, including statements regarding Siebert’s beliefs, expectations, plans and anticipated business opportunities, are “forward-looking statements” within the meaning of the U.S. Private Securities Litigation Reform Act of 1995.

Forward-looking statements include statements preceded by, followed by or that include words such as “may,” “could,” “would,” “should,” “believe,” “expect,” “anticipate,” “plan,” “estimate,” “target,” “project,” “intend” and similar expressions.

These statements include expectations regarding business growth, new products, strategic partnerships, technology initiatives, distribution opportunities, operating performance and the development and commercialization of new financial products and services.

Forward-looking statements reflect the beliefs, objectives and expectations of Siebert’s management as of the date of this release and are subject to risks, uncertainties and assumptions that could cause actual results to differ materially.

These factors include economic, social and political conditions; securities industry and interest-rate risks; liquidity and credit risks; systems failures and cybersecurity risks; competition; reliance on external service providers; new laws and regulations affecting Siebert’s businesses; regulatory requirements; legal matters; the ability to maintain relationships with employees, customers and business partners; the ability to successfully implement new business initiatives; and other risks and uncertainties detailed in Siebert’s Annual Report on Form 10-K for the year ended December 31, 2025, and other filings with the Securities and Exchange Commission.

Siebert cautions that this list is not exclusive and that new factors may emerge or existing factors may change. Siebert undertakes no obligation to publicly update or revise these statements except as required by federal securities laws.

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