The page is the record's research on the issuer — no analyst, no rating, no view.

# APTAMER GROUP PLC (AIM: APTA) — research page

As of 2026-11-06 · uk-cm-kg · record version 1

## Identity and listing

APTAMER GROUP PLC is listed on AIM under the ticker APTA, with ISIN GB00BNRRP542 and LEI 213800Y4XGH3WJNBE686. Its security type is Corporate and its segment is ASQ1. Its sector is Pharmaceuticals and Biotechnology [201030] and its jurisdiction is England and Wales (Companies House jurisdiction field). The issuer is listed and not halted.

## The disclosure read

The record holds 37 filings in the twelve months to 2026-11-06, on 30 filing days. The median gap between filing days is 13 days. The latest filing is dated 2026-10-26, 11 days before the record date, and is of type regulatory_announcement. The AIM exchange median is 7.0 days for cadence gap, 33.5 filings and 4 days latency across 594 issuers. The sector median is 6.0 days for cadence gap, 42 filings and 4.0 days latency across 51 issuers.

## Auditor

The auditor of record is Gravita Audit II Limited. Its location is not on the record. Auditor changes are not on the record.

## 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. The issuer is listed and not halted.

## Orderability

For elective professional client, the outcome is signal ACM-200, determinable. For eligible counterparty, the outcome is signal ACM-200, determinable. The rule version is acm-68000/uk/product-governance-fca-prod-sourcebook/r1, with chapter as of 2026-11-04.

## 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.

## As-of depth

The market's vintage is not sealed. The issuer has no sealed years. The live record began on 2026-09-11. Years 2021 through 2026 are sealed in the store but not served as of a date, and the as-of door answers not_sealed.

## Sources

9 source pages are named on this page; every value above carries its own source page and read date in the numbers.

- https://www.londonstockexchange.com/live-markets/market-data-dashboard/price-explorer (identity.exchange)
- https://api.londonstockexchange.com/api/gw/lse/instruments/alldata/APTA (identity.isin)
- https://find-and-update.company-information.service.gov.uk/company/09061413 (identity.jurisdiction)
- https://mapping.gleif.org/api/v2/isin-lei/latest/download (identity.lei)
- https://www.londonstockexchange.com/stock/APTA/aptamer-group-plc/company-page (identity.sector)
- https://mcp.uk-cm-kg.ai/events/AIM/APTA (the disclosure lines)
- https://marketsecurities.fca.org.uk/officiallist (the halt flag)
- https://mcp.uk-cm-kg.ai/book/aio.json (the orderability chapter)
- https://mcp.uk-cm-kg.ai/record/AIM/APTA (the record)

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