COSTAIN GROUP PLC (COST) — research page
UK · uk-cm-kg/LSE/COST · as of 2026-11-06
Identity and listing
The issuer is COSTAIN GROUP PLC, listed on the LSE Main Market under ticker COST, with ISIN GB00B64NSP76 and LEI 213800PKIJBZ2EDTKC88. The security type is Corporate, the segment is STMM, the sector is Construction and Materials [501010], and the jurisdiction is England and Wales (Companies House jurisdiction field). The listing status is listed, not halted.
| field | value | source · read date |
|---|---|---|
| name | COSTAIN GROUP PLC | source · 2026-11-06 |
| exchange | LSE Main Market | source · 2026-11-06 |
| ticker | COST | source · 2026-11-06 |
| ISIN | GB00B64NSP76 | source · 2026-11-06 |
| LEI | 213800PKIJBZ2EDTKC88 | source · 2026-11-09 |
| security type | Corporate | source · 2026-11-06 |
| segment | STMM | source · 2026-11-06 |
| sector | Construction and Materials [501010] | source · 2026-11-06 |
| jurisdiction | England and Wales (Companies House jurisdiction field) | source · 2026-11-06 |
| status | listed, not halted | source · 2026-11-09 |
The disclosure read
The record holds 193 filings in the window 2025-11-06 to 2026-11-06, across 121 filing days. The median gap between filing days is 2.0 days. The latest filing is dated 2026-11-04, is of type ch_capital, and falls 2 days before the record date of 2026-11-06. The LSE Main Market median cadence gap is 4 days across 892 issuers, with a median of 29.0 filings and a median latency of 3 days. The Construction and Materials [501010] sector median cadence gap is 6.0 days across 36 issuers, with a median of 42.5 filings and a median latency of 3.0 days. The filings by type are: agm_record_date 2, ch_accounts_filed 1, ch_capital 63, ch_confirmation_statement 1, ch_resolution 1, corporate_action 40, director_dealing 13, early_warning 46, financial_statement 6, regulatory_announcement 20.
| filings | median gap between filing days | days from latest filing to as-of | |
|---|---|---|---|
| this issuer | 193 | 2 | 2 |
| exchange median: LSE Main Market (892 issuers) | 29 | 4 | 3 |
| sector median: Construction and Materials [501010] (36 issuers) | 42.5 | 6 | 3 |
| date | type | category | filing |
|---|---|---|---|
| 2026-11-04 | ch_capital | capital cancellation shares — 2026-09-30 | |
| 2026-11-04 | ch_capital | capital return purchase own shares | |
| 2026-11-03 | early_warning | Holding(s) in Company | |
| 2026-11-02 | corporate_action | Total Voting Rights | |
| 2026-10-29 | ch_capital | capital return purchase own shares |
window 2025-11-06 to 2026-11-06 · the node's disclosure lines, as get_filings serves them
Auditor
The auditor of record is PricewaterhouseCoopers LLP. The auditor's location is not on the record. Auditor changes are not on the record, as this register has no lifecycle type map yet (SHELF-01: us and ca first).
Events and halts
Listing, delisting, name change, domicile change and segment move are not on the record, as this register has no lifecycle type map yet (SHELF-01: us and ca first). The halt flag is listed, not halted.
Orderability
For the elective professional client category, the signal is ACM-200 and the outcome is determinable. For the eligible counterparty category, the signal is ACM-200 and the outcome is determinable. The rule version is acm-68000/uk/product-governance-fca-prod-sourcebook/r1, and the chapter is as of 2026-11-04.
| client category | outcome |
|---|---|
| elective professional client | ACM-200 |
| eligible counterparty | ACM-200 |
rule acm-68000/uk/product-governance-fca-prod-sourcebook/r1 · chapter as of 2026-11-04 · the full outcome: get_orderability
Coverage
No research houses were found on the issuer's investor-relations page. The count is 0.
Open research
No openly published research notes were found. The count is 0.
Licensed
Licensed research: none loaded. A licensed row is served only to an agent whose firm holds that licence (licensor, entitlement). No licensed row is loaded.
| licensor | entitlement | title | date | source |
|---|---|---|---|---|
| none loaded |
As-of depth
The vintage is not sealed. No issuer years are sealed on the record, and the market earliest sealed date is not on the record. The live record began on 2026-09-11. The years 2021, 2022, 2023, 2024, 2025 and 2026 are sealed in the store but not served as of a date, and the as-of door answers not_sealed.
Sources
10 source pages are named on this page; every value above carries its own source page and read date in the numbers.
- 10.1
- https://www.londonstockexchange.com/live-markets/market-data-dashboard/price-explorer (identity.exchange)
- 10.2
- https://api.londonstockexchange.com/api/gw/lse/instruments/alldata/COST (identity.isin)
- 10.3
- https://find-and-update.company-information.service.gov.uk/company/01393773 (identity.jurisdiction)
- 10.4
- https://mapping.gleif.org/api/v2/isin-lei/latest/download (identity.lei)
- 10.5
- https://www.londonstockexchange.com/stock/COST/costain-group-plc/company-page (identity.sector)
- 10.6
- https://mcp.uk-cm-kg.ai/events/LSE/COST (the disclosure lines)
- 10.7
- https://marketsecurities.fca.org.uk/officiallist (the halt flag)
- 10.8
- https://www.costain.com/media/5sthahwm/ara-2025-final_for-web.pdf (the auditor)
- 10.9
- https://mcp.uk-cm-kg.ai/book/aio.json (the orderability chapter)
- 10.10
- https://mcp.uk-cm-kg.ai/record/LSE/COST (the record)
Read it by agent
The same page, signed and receipted: get_research at https://mcp.getresearch.ai/mcp with {"isin":"GB00B64NSP76"}. Twins: .md · .json. Written: Claude through the platform account, Haiku class; one pass; checked against the numbers. Page hash sha256:f415719ce51e2cce.