
INFRONEER Holdings Inc. — Investor Relations & Filings
INFRONEER Holdings Inc. is a comprehensive infrastructure services company that integrates the engineering capabilities and regional networks of its group companies. Leveraging over a century of combined technical expertise, the firm provides one-stop management and operational solutions for infrastructure assets. The company is engaged in construction and a range of infrastructure-related businesses, with a focus on pioneering new approaches and challenging conventional industry standards. Its activities also extend to renewable energy projects, including onshore wind power development.
Recent filings
| Filing | Released | Lang | Actions |
|---|---|---|---|
| 有価証券届出書(参照方式) | 2026-05-13 | Japanese | |
| 臨時報告書 | 2026-05-13 | Japanese | |
| 臨時報告書 | 2026-05-13 | Japanese | |
| 当社子会社(前田建設工業株式会社)に関する一部報道について | 2026-05-07 | Japanese | |
| インフロニア・ホールディングス株式会社の子会社(三井住友建設株式会社)による三井住建道路株式会社株式(1776)に対する公開買付けの結果に関するお知らせ | 2026-04-22 | Japanese | |
| 取締役候補者の選任に関するお知らせ | 2026-04-20 | Japanese |
Browse filings by year
6 years| ID | Filing | Released | Lang | Actions | |
|---|---|---|---|---|---|
|
2026
7 filings
| |||||
| 45432427 | 有価証券届出書(参照方式) | 2026-05-13 | Japanese | ||
| 45420832 | 臨時報告書 | 2026-05-13 | Japanese | ||
| 45420801 | 臨時報告書 | 2026-05-13 | Japanese | ||
| 46881196 | 当社子会社(前田建設工業株式会社)に関する一部報道について | 2026-05-07 | Japanese | ||
| 46878327 | インフロニア・ホールディングス株式会社の子会社(三井住友建設株式会社)による三井住建道路株式会社株式(1776)に対する公開買付けの結果に関するお知らせ | 2026-04-22 | Japanese | ||
| 46877957 | 取締役候補者の選任に関するお知らせ | 2026-04-20 | Japanese | ||
| 34468196 | 臨時報告書 | 2026-04-14 | Japanese | ||
|
2025
8 filings
| |||||
| 8316098 | 確認書 | 2025-11-14 | Japanese | ||
| 8316094 | 半期報告書-第5期(2025/04/01-2026/03/31) | 2025-11-14 | Japanese | ||
| 7859275 | 公開買付届出書 | 2025-08-06 | Japanese | ||
| 7245313 | 臨時報告書 | 2025-06-27 | Japanese | ||
| 7252747 | 臨時報告書 | 2025-06-24 | Japanese | ||
| 7253899 | 内部統制報告書-第4期(2024/04/01-2025/03/31) | 2025-06-23 | Japanese | ||
| 7253876 | 確認書 | 2025-06-23 | Japanese | ||
| 7253860 | 有価証券報告書-第4期(2024/04/01-2025/03/31) | 2025-06-23 | Japanese | ||
Market data
Market data not available
Price history
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INFRONEER Holdings 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/14424/ | Company identity, sector, listing, identifiers |
| GET | /api/filings/?company=14424 | 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=14424 | 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=14424 \ -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": 14424}, 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 INFRONEER Holdings Inc. (id: 14424)"
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