Ambac Financial Group Changes Name to Octave Specialty Group, Inc.

Rebranding Announcement: Ambac Financial Group has rebranded to Octave Specialty Group, Inc., effective November 20, 2025, as part of its transformation into a specialty insurance platform.

Focus on Growth: The rebrand follows the sale of its legacy financial guarantee business and emphasizes Octave's commitment to building and acquiring high-performing managing general agency (MGA) businesses in the U.S., U.K., and Bermuda.

New Brand Identity: The Octave brand reflects innovation and collaboration, symbolizing the integration of diverse specialty businesses to enhance shareholder value.

Operational Structure: Cirrata Group and Beat Capital Partners have been rebranded as Octave Partners and Octave Ventures, respectively, while existing MGAs and Everspan Group will retain their current branding.