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Home/The Filing Wire/Octave Specialty Group, Inc./ 10-K

Annual Report · 10-K

Octave Specialty Group, Inc.

OSGNYSEEQUITYCurrent

Annual Report

Filed Mar 4, 2026Accepted Mar 4, 2026, 4:29 PM ESTCIK 874501Accession 0001628280-26-014653
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Company context

Octave Specialty Group, Inc. is a global specialty insurance firm that builds, buys, and scales niche insurance distribution and underwriting businesses. With a focus on operational excellence, disciplined growth, and innovation, Octave is creating a harmonized portfolio of companies that deliver exceptional performance and long-term value for shareholders. For more information, visit www.octavegroup.com.

Current securities

OSGNYSE · EQUITY · Current
Historical securities (3)
AMBCNYSE · EQUITY · Historical · closed Nov 19, 2025AMBCWNASDAQ · WARRANT · Historical · closed Feb 3, 2020AMBC.WSNYSE · WARRANT · Historical · closed Apr 26, 2023

Recent company filings

  1. S-8 filingAug 6, 2026
  2. S-8 POS filingAug 6, 2026
  3. 10-Q filingAug 6, 2026
  4. Results of Operations and Financial ConditionAug 6, 2026
  5. SCHEDULE 13G - filed by VANGUARD CAPITAL MANAGEMENT LLC regarding OCTAVE SPECIALTY GROUP INCJul 31, 2026

Registered securities in this filing

OCTAVE SPECIALTY GROUP, INC. · 10-K · Filed 2026-03-04

As filed in this accession. Current/historical status below comes from the governed listing record; the cover itself remains exact to this filing.

Common Stock, par value $0.01 per share

Symbol
OSG
Exchange
NYSE
Classification
COMMON
Status
Current
Filing context

Context: c-1

Dimensions: Not supplied

Accession 000162828026014653 · 1 registered-security cover member

Read the exact SEC filing ↗

As-filed source

Primary evidence
As filedOpen full document ↗

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