COSTAIN GROUP PLC — Investor Relations & Filings
Costain Group PLC is an infrastructure solutions company that provides engineering, construction, consulting, and digital services. The company specializes in delivering complex projects and transforming the performance of infrastructure across its core markets: road, rail, integrated transport, energy, water, and defence & nuclear energy. By integrating its diverse expertise, Costain engineers and delivers connected, sustainable solutions designed to address critical national challenges. Its services span the entire asset lifecycle, from initial concept and design to construction, asset optimization, and technology deployment.
Recent filings
| Filing | Released | Lang | Actions |
|---|---|---|---|
| Director/PDMR Shareholding | 2026-05-22 | English | |
| Transaction in Own Shares | 2026-05-20 | English | |
| Additional Listing | 2026-05-18 | English | |
| Director Declaration | 2026-05-18 | English | |
| Result of AGM | 2026-05-14 | English | |
| AGM Trading Update | 2026-05-14 | English |
Browse filings by year
46 years- 2026 60 filings
- 2025 151 filings
- 2024 106 filings
- 2023 37 filings
- 2022 34 filings
- 2021 27 filings
- 2020 59 filings
- 2019 67 filings
- 2018 50 filings
- 2017 50 filings
- 2016 49 filings
- 2015 56 filings
- 2014 63 filings
- 2013 134 filings
- 2012 7 filings
- 2011 5 filings
- 2010 3 filings
- 2009 1 filing
- 2008 1 filing
- 2007 1 filing
- 2006 1 filing
- 2005 1 filing
- 2004 1 filing
- 2003 1 filing
- 2002 1 filing
- 2001 1 filing
- 2000 1 filing
- 1999 1 filing
- 1998 1 filing
- 1997 2 filings
- 1996 2 filings
- 1995 1 filing
- 1994 1 filing
- 1993 1 filing
- 1992 1 filing
- 1991 1 filing
- 1990 1 filing
- 1989 1 filing
- 1988 1 filing
- 1987 1 filing
- 1986 1 filing
- 1984 1 filing
- 1983 1 filing
- 1982 1 filing
- 1981 1 filing
- 1980 1 filing
| ID | Filing | Released | Lang | Actions | |
|---|---|---|---|---|---|
|
2026
15 filings
| |||||
| 46820762 | Director/PDMR Shareholding | 2026-05-22 | English | ||
| 46586341 | Transaction in Own Shares | 2026-05-20 | English | ||
| 46385720 | Additional Listing | 2026-05-18 | English | ||
| 46382948 | Director Declaration | 2026-05-18 | English | ||
| 46108344 | Result of AGM | 2026-05-14 | English | ||
| 45817464 | AGM Trading Update | 2026-05-14 | English | ||
| 45704369 | Holding(s) in Company | 2026-05-13 | English | ||
| 45519391 | Transaction in Own Shares | 2026-05-13 | English | ||
| 45321026 | Holding(s) in Company | 2026-05-12 | English | ||
| 41768258 | Transaction in Own Shares | 2026-05-06 | English | ||
| 41391475 | Director/PDMR Shareholding | 2026-05-05 | English | ||
| 39545243 | Scrip Dividend Reference Price - Replacement | 2026-05-01 | English | ||
| 39429711 | Total Voting Rights | 2026-05-01 | English | ||
| 39118142 | Director/PDMR Shareholding | 2026-04-30 | English | ||
| 38476185 | Transaction in Own Shares | 2026-04-29 | English | ||
Financials
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Market data
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Price history
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COSTAIN GROUP PLC 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/4669/ | Company identity, sector, listing, identifiers |
| GET | /api/filings/?company=4669 | 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=4669 | 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=4669 \ -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": 4669}, 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 COSTAIN GROUP PLC (id: 4669)"
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