---
schema_version: "secwatch.filing_event.v1"
accession: "0000874501-24-000039"
form_type: "8-K"
ticker: "OSG"
cik: "0000874501"
company_name: "OCTAVE SPECIALTY GROUP INC"
filed_at: "2024-02-27T23:59:59+00:00"
generated_at: "2026-06-05T13:50:16.496825+00:00"
event_type: "earnings"
sentiment: "neutral"
materiality_score: 0.65
calibrated_materiality_score: 0.65
confidence: "high"
source: SEC EDGAR
---

# Ambac Q4 net loss $16M, adjusted income $10M; P&C premiums up 76%

## Summary
- Q4 net loss attributable to common stockholders $15.7M ($0.24 diluted EPS); adjusted net income $10.2M ($0.32 diluted EPS).
- Specialty P&C segment (Everspan) gross written premium $90.7M, up 76% YoY; combined ratio improved to 100.3%.
- Insurance Distribution (Cirrata) premiums placed $50.2M, up 31% YoY; pretax income $0.6M.
- Legacy Financial Guarantee segment net loss $12.2M from lower premiums and $19M defensive litigation in prior year.

## SEC filing metadata
- accession: 0000874501-24-000039
- form_type: 8-K
- ticker: OSG
- cik: 0000874501
- company_name: OCTAVE SPECIALTY GROUP INC
- filed_at: 2024-02-27T23:59:59+00:00
- event_type: earnings
- sentiment: neutral
- materiality_score: 0.65
- calibrated_materiality_score: 0.65
- confidence: high
- sec_items: 2.02, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/874501/000087450124000039/0000874501-24-000039-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/874501/000087450124000039/ambc-20240227.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0000874501-24-000039
- JSON: https://secwatch.observer/filing/0000874501-24-000039.json
- Plain text: https://secwatch.observer/filing/0000874501-24-000039.txt

## Key facts
- Earnings Releases
  OCTAVE SPECIALTY GROUP INC reported fourth quarter ended December 31, 2023 results: net income Net loss of $(16) million, EPS $(0.24) per diluted share.
  - Period: fourth quarter ended December 31, 2023
  - Net income: Net loss of $(16) million
  - EPS: $(0.24) per diluted share
  - Result: reported results
  source text: Ambac Financial Group, Inc. issued a press release announcing financial results for its fourth quarter ended December 31, 2023.
  evidence_url: https://www.sec.gov/Archives/edgar/data/874501/000087450124000039/0000874501-24-000039-index.htm

This AI-assisted summary is a reading aid. Review the linked SEC EDGAR filing before relying on any specific claim.