Octave Partners

Ambac Financial Group rebrands as Octave Specialty Group

11th November 2025

Ambac Financial Group, Inc. has rebranded as Octave Specialty Group, Inc. (Octave), a global specialty insurance firm, while its Everspan Group businesses will continue to operate under their existing brands. The company will begin trading under its new ticker symbol “NYSE: OSG” on November 20th, 2025, marking the next phase of ... Read the full article