
taisei corporation — Investor Relations & Filings
Taisei Corporation is a general contractor specializing in building construction, civil engineering, and real estate development. The company undertakes a diverse range of projects, including large-scale infrastructure and commercial buildings, for both public and private sector clients. Its operations span the entire project lifecycle, from planning, design, and engineering to construction and maintenance. With a history dating back to 1873, the firm has a significant portfolio of domestic and international projects. Taisei Corporation focuses on technological innovation and sustainability, developing advanced solutions such as its proprietary carbon-recycled concrete (T-eConcrete®) to address environmental challenges.
Recent filings
| Filing | Released | Lang | Actions |
|---|---|---|---|
| 訂正発行登録書 | 2026-02-26 | Japanese | |
| 訂正発行登録書 | 2026-02-26 | Japanese | |
| 自己株券買付状況報告書(法24条の6第1項に基づくもの) | 2025-12-15 | Japanese | |
| 自己株券買付状況報告書(法24条の6第1項に基づくもの) | 2025-11-14 | Japanese | |
| 確認書 | 2025-11-12 | Japanese | |
| 半期報告書-第166期(2025/04/01-2026/03/31) | 2025-11-12 | Japanese |
| ID | Filing | Released | Lang | Actions | |
|---|---|---|---|---|---|
|
2026
2 filings
| |||||
| 32839036 | 訂正発行登録書 | 2026-02-26 | Japanese | ||
| 32839028 | 訂正発行登録書 | 2026-02-26 | Japanese | ||
|
2025
13 filings
| |||||
| 10096688 | 自己株券買付状況報告書(法24条の6第1項に基づくもの) | 2025-12-15 | Japanese | ||
| 8308105 | 自己株券買付状況報告書(法24条の6第1項に基づくもの) | 2025-11-14 | Japanese | ||
| 8234757 | 確認書 | 2025-11-12 | Japanese | ||
| 8234736 | 半期報告書-第166期(2025/04/01-2026/03/31) | 2025-11-12 | Japanese | ||
| 8053330 | 訂正発行登録書 | 2025-10-29 | Japanese | ||
| 8024337 | 自己株券買付状況報告書(法24条の6第1項に基づくもの) | 2025-10-15 | Japanese | ||
| 7931618 | 訂正発行登録書 | 2025-09-26 | Japanese | ||
| 7929093 | 大量保有報告書 | 2025-09-25 | Japanese | ||
| 7929092 | 公開買付報告書 | 2025-09-25 | Japanese | ||
| 7855730 | 自己株券買付状況報告書(法24条の6第1項に基づくもの) | 2025-09-12 | Japanese | ||
| 7858411 | 公開買付届出書 | 2025-08-12 | Japanese | ||
| 7858495 | 自己株券買付状況報告書(法24条の6第1項に基づくもの) | 2025-08-08 | Japanese | ||
| 7239705 | 自己株券買付状況報告書(法24条の6第1項に基づくもの) | 2025-07-15 | Japanese | ||
Market data
Market data not available
Price history
Peer group · Construction of residential and non-residential buildings
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taisei corporation 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/10903/ | Company identity, sector, listing, identifiers |
| GET | /api/filings/?company=10903 | 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=10903 | 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=10903 \ -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": 10903}, 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 taisei corporation (id: 10903)"
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