Flat Capital AB — Investor Relations & Filings
Flat Capital AB is an investment company focused on making long-term investments in unlisted, growth-stage companies led by dedicated founders and entrepreneurs. Founded in 2013 by Nina and Sebastian Siemiatkowski, the firm operates with a hands-off approach, trusting the entrepreneurs it backs to build their businesses. Flat Capital aims to provide its shareholders with access to a unique and global portfolio of investment opportunities that are typically inaccessible to the public. The company differentiates itself through a transparent, low-cost structure, emphasizing long-term partnership and value creation over short-term horizons.
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Market data
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Flat Capital AB 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/8395/ | Company identity, sector, listing, identifiers |
| GET | /api/filings/?company=8395 | 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=8395 | 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=8395 \ -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": 8395}, 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 Flat Capital AB (id: 8395)"
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