---
schema_version: "secwatch.filing_event.v1"
accession: "0000874501-25-000131"
form_type: "8-K"
ticker: "OSG"
cik: "0000874501"
company_name: "OCTAVE SPECIALTY GROUP INC"
filed_at: "2025-08-07T23:59:59+00:00"
generated_at: "2026-05-17T18:42:36.108426+00:00"
event_type: "earnings"
sentiment: "negative"
materiality_score: 0.75
calibrated_materiality_score: 0.75
confidence: "high"
source: SEC EDGAR
---

# Ambac Q2 total revenue up 8% to $55M; net loss widens to $72.7M as legacy sale nears approval

## Summary
- Total P&C premium production surged 110% to $346M, boosted by Beat acquisition.
- Cirrata revenue up 148% to $33M; adjusted EBITDA to shareholders rose 28% to $3M.
- Everspan combined ratio improved to 107% (down 270 bps) on lower loss ratio of 67.8%.
- Net loss from continuing ops to Ambac shareholders $(20.5M) vs $(14.9M) a year ago; adjusted EPS $(0.22).
- Wisconsin OCI recommends approval for AAC sale; hearing set Sept 3, 2025.

## SEC filing metadata
- accession: 0000874501-25-000131
- form_type: 8-K
- ticker: OSG
- cik: 0000874501
- company_name: OCTAVE SPECIALTY GROUP INC
- filed_at: 2025-08-07T23:59:59+00:00
- event_type: earnings
- sentiment: negative
- materiality_score: 0.75
- calibrated_materiality_score: 0.75
- confidence: high
- sec_items: 2.02, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/874501/000087450125000131/0000874501-25-000131-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/874501/000087450125000131/ambc-20250807.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0000874501-25-000131
- JSON: https://secwatch.observer/filing/0000874501-25-000131.json
- Plain text: https://secwatch.observer/filing/0000874501-25-000131.txt

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