
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 Fujairah National Insurance Company
Established insurer with 4+ decades experience, providing c…
|
AFNIC | AE | Financial and insurance activit… |
|
Alignment Healthcare, Inc.
Health insurance company providing Medicare Advantage plans…
|
ALHC | US | Financial and insurance activit… |
|
Al Khazna Insurance Co.
Historically offered diverse general and re-insurance produ…
|
AKIC | AE | Financial and insurance activit… |
|
Alliance Insurance PJSC
Leading provider of comprehensive insurance solutions, offe…
|
ALLIANCE | AE | Financial and insurance activit… |
|
Allied Cooperative Insurance Group
Provides cooperative insurance and risk management for indi…
|
8150 | SA | Financial and insurance activit… |
|
ALLSTATE CORP
Provider of property, casualty, life, and supplemental heal…
|
ALL | US | Financial and insurance activit… |
|
Alm. Brand
A financial services group specializing in insurance and pe…
|
ALMB | DK | Financial and insurance activit… |
|
Al-Rajhi Company for Cooperative Insurance
Provides Sharia-compliant insurance solutions for individua…
|
8230 | SA | Financial and insurance activit… |
|
Al Sagr Cooperative Insurance Co.
Provides Sharia-compliant cooperative insurance for individ…
|
8180 | SA | Financial and insurance activit… |
|
Al Sagr National Insurance Company PJSC
Provides quality-driven, comprehensive general insurance so…
|
ASNIC | AE | 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.