
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 |
|---|---|---|---|
|
Al Wathba National Insurance Co.
Offers comprehensive insurance products and services for in…
|
AWNIC | AE | Financial and insurance activit… |
|
Amana Cooperative Insurance Co.
Provides Sharia-compliant cooperative insurance for individ…
|
8310 | SA | Financial and insurance activit… |
|
AMERICAN COASTAL INSURANCE Corp
Property and casualty insurer for commercial residential pr…
|
ACIC | US | Financial and insurance activit… |
|
AMERICAN FINANCIAL GROUP INC
An insurance holding company engaged in property and casual…
|
AFG | US | Financial and insurance activit… |
|
American Integrity Insurance Group, Inc.
Provider of residential property insurance in Florida, Geor…
|
AII | US | Financial and insurance activit… |
|
AMERICAN INTERNATIONAL GROUP, INC.
Global insurance firm offering property, life, and retireme…
|
AIG | US | Financial and insurance activit… |
|
AMERISAFE INC
Specialty provider of workers' compensation insurance for h…
|
AMSF | US | Financial and insurance activit… |
|
ANADOLU ANONİM TÜRK SİGORTA ŞİRKETİ
An insurance provider specializing in non-life products for…
|
ANSGR | TR | Financial and insurance activit… |
|
Anicom Holdings,Inc.
Holding company providing pet insurance and related animal …
|
8715 | JP | Financial and insurance activit… |
|
Anshin Guarantor Service Co.,Ltd.
A specialized provider of rent obligation guarantee service…
|
7183 | JP | 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)"
Report missing filing
Can't find a specific document? Let us know and we'll add it within 24 hours.