
AMBAC FINANCIAL GROUP INC — Investor Relations & Filings
Octave Specialty Group, formerly Ambac Financial Group, Inc., is a global specialty insurance holding company. The firm builds and acquires innovative Managing General Agent (MGA) businesses operating in the specialty property and casualty insurance markets across the U.S., U.K., and Bermuda. Octave provides its portfolio companies with strategic direction, risk oversight, data and technology solutions, and capital support. The company partners with entrepreneurial leaders to strengthen, scale, and differentiate their businesses in complex and evolving markets, having divested its legacy financial guarantee operations to focus on its specialty insurance platform.
Recent filings
| Filing | Released | Lang | Actions |
|---|---|---|---|
| 8-K | 2026-05-29 | English | |
| DEFA14A | 2026-05-14 | English | |
| Major Shareholding Notification 2026 | 2026-05-12 | English | |
| Major Shareholding Notification 2026 | 2026-05-11 | English | |
| 10-Q - OCTAVE SPECIALTY GROUP INC (0000874501) (Filer) | 2026-05-06 | English | |
| 8-K - OCTAVE SPECIALTY GROUP INC (0000874501) (Filer) | 2026-05-06 | English |
Browse filings by year
17 years| ID | Filing | Released | Lang | Actions | |
|---|---|---|---|---|---|
|
2026
15 filings
| |||||
| 47894374 | 8-K | 2026-05-29 | English | ||
| 46292252 | DEFA14A | 2026-05-14 | English | ||
| 46146466 | Major Shareholding Notification 2026 | 2026-05-12 | English | ||
| 46146477 | Major Shareholding Notification 2026 | 2026-05-11 | English | ||
| 42019122 | 10-Q - OCTAVE SPECIALTY GROUP INC (0000874501) (Filer) | 2026-05-06 | English | ||
| 42014173 | 8-K - OCTAVE SPECIALTY GROUP INC (0000874501) (Filer) | 2026-05-06 | English | ||
| 46146532 | ARS | 2026-04-10 | English | ||
| 46146533 | DEFA14A | 2026-04-10 | English | ||
| 46146563 | DEF 14A | 2026-04-10 | English | ||
| 46146538 | 8-K | 2026-04-07 | English | ||
| 46146716 | Major Shareholding Notification 2026 | 2026-03-27 | English | ||
| 33043015 | 4 - OCTAVE SPECIALTY GROUP INC (0000874501) (Issuer) | 2026-03-25 | English | ||
| 46146714 | 10-K | 2026-03-04 | English | ||
| 32882683 | 8-K - AMBAC FINANCIAL GROUP INC (0000874501) (Filer) | 2026-02-23 | English | ||
| 24613611 | SCHEDULE 13G Filing | 2026-02-12 | English | ||
Market data
Market data not available
Price history
Peer group · Non-life insurance
| Company | Ticker | Country | Sector |
|---|---|---|---|
|
Dunav osiguranje a.d.
An insurance company providing life, non-life, reinsurance,…
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DNOS | RS | Financial and insurance activit… |
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Dunav osiguranje a.d. Banja Luka
Offers a broad portfolio of life and non-life insurance for…
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East West Insurance Company Limited
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EWIC | PK | Financial and insurance activit… |
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ECCLESIASTICAL INSURANCE OFFICE PLC
Specialist insurance and financial services provider for he…
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ELLA | GB | Financial and insurance activit… |
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EFU General Insurance Limited
Oldest and largest general insurer providing comprehensive …
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EFUG | PK | Financial and insurance activit… |
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Emirates Insurance Co.
Established insurer offering comprehensive insurance and re…
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EIC | AE | Financial and insurance activit… |
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Employers Holdings, Inc.
Specialty provider of workers' compensation insurance for s…
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EIG | US | Financial and insurance activit… |
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Enact Holdings, Inc.
A private mortgage insurance company that protects lenders …
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ACT | US | Financial and insurance activit… |
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Essent Group Ltd.
Provides mortgage insurance, reinsurance, and title service…
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Eurohold Bulgaria AD
A public holding company with primary operations in the ene…
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EUBG | BG | Financial and insurance activit… |
AMBAC FINANCIAL GROUP INC via the API
Pull this company's filings, identifiers, and metadata as JSON or Markdown. Authenticate with your API key, then query by company ID, ISIN, or LEI. Full schema documented in the OpenAPI spec.
Endpoints
| GET | /api/companies/32919/ | Company identity, sector, listing, identifiers |
| GET | /api/filings/?company=32919 | Paginated list of all filings (filterable by type, date, language) |
| GET | /api/filings/{id}/ | Single filing — metadata, document URL, processing status |
| GET | /api/filings/{id}/markdown/ | Filing content as Markdown (PDF → text/tables/figures) |
| GET | /api/isins/?company=32919 | All ISINs registered to this company |
| GET | /api/filing-types/ | Reference: every filing-type code + category |
cURL
$ curl https://api.financialreports.eu/api/filings/?company=32919 \ -H "x-api-key: $FR_API_KEY" \ -H "Accept: application/json"
Python
import requests r = requests.get( "https://api.financialreports.eu/api/filings/", params={"company": 32919}, headers={"x-api-key": API_KEY}, ) filings = r.json()["results"]
MCP server
// MCP server URL https://mcp.financialfilings.com/mcp // Once connected, the LLM can query this company directly: "Pull the latest 5 filings for AMBAC FINANCIAL GROUP INC (id: 32919)"
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