
KOATSU KOGYO CO., LTD. — Investor Relations & Filings
KOATSU KOGYO CO., LTD. is a construction company specializing in infrastructure projects utilizing prestressed concrete (PC) technology. The company's principal activities include the design, construction, and repair of bridges, highways, railways, and tanks. In addition to its core construction services, the company is involved in foundation works. It also manufactures and sells a range of concrete products and provides leasing services for concrete product formworks.
Recent filings
| Filing | Released | Lang | Actions |
|---|---|---|---|
| 意見表明報告書 | 2025-08-06 | Japanese | |
| 確認書 | 2025-05-14 | Japanese | |
| 半期報告書-第67期(2024/10/01-2025/09/30) | 2025-05-14 | Japanese | |
| 臨時報告書 | 2024-12-23 | Japanese | |
| 内部統制報告書-第66期(2023/10/01-2024/09/30) | 2024-12-20 | Japanese | |
| 有価証券報告書-第66期(2023/10/01-2024/09/30) | 2024-12-20 | Japanese |
Browse filings by year
11 years| ID | Filing | Released | Lang | Actions | |
|---|---|---|---|---|---|
|
2025
3 filings
| |||||
| 7859324 | 意見表明報告書 | 2025-08-06 | Japanese | ||
| 7264061 | 確認書 | 2025-05-14 | Japanese | ||
| 7263845 | 半期報告書-第67期(2024/10/01-2025/09/30) | 2025-05-14 | Japanese | ||
|
2024
8 filings
| |||||
| 7290833 | 臨時報告書 | 2024-12-23 | Japanese | ||
| 7291131 | 内部統制報告書-第66期(2023/10/01-2024/09/30) | 2024-12-20 | Japanese | ||
| 7291137 | 有価証券報告書-第66期(2023/10/01-2024/09/30) | 2024-12-20 | Japanese | ||
| 7291130 | 確認書 | 2024-12-20 | Japanese | ||
| 7337737 | 確認書 | 2024-05-14 | Japanese | ||
| 7337730 | 四半期報告書-第66期第2四半期(2024/01/01-2024/03/31) | 2024-05-14 | Japanese | ||
| 7354998 | 確認書 | 2024-02-13 | Japanese | ||
| 7354981 | 四半期報告書-第66期第1四半期(2023/10/01-2023/12/31) | 2024-02-13 | Japanese | ||
|
2023
4 filings
| |||||
| 7363866 | 臨時報告書 | 2023-12-22 | Japanese | ||
| 7364287 | 内部統制報告書-第65期(2022/10/01-2023/09/30) | 2023-12-21 | Japanese | ||
| 7364286 | 確認書 | 2023-12-21 | Japanese | ||
| 7364290 | 有価証券報告書-第65期(2022/10/01-2023/09/30) | 2023-12-21 | Japanese | ||
Market data
Market data not available
Price history
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KOATSU KOGYO CO., LTD. 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/11011/ | Company identity, sector, listing, identifiers |
| GET | /api/filings/?company=11011 | 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=11011 | 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=11011 \ -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": 11011}, 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 KOATSU KOGYO CO., LTD. (id: 11011)"
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