Skip to main content
Diploma PLC logo

Diploma PLC — Investor Relations & Filings

Ticker · DPLM ISIN · GB0001826634 LEI · 2138008OGI7VYG8FGR19 IL Wholesale and retail trade
Open in API
Filings indexed 480 across all filing types
Latest filing 2026-05-21 Director's Dealing
Country GB United Kingdom
Listing IL DPLM

About Diploma PLC

https://www.diplomaplc.com/

Diploma PLC is an international group of specialized businesses that supply essential, high-quality technical products and value-added services. Operating through a decentralized model, the company acquires and develops businesses for long-term growth across three core sectors. The Controls sector provides advanced technologies, including specialized wiring, connectors, and automation components for critical applications in aerospace, energy, and medical technology. The Seals sector delivers high-performance sealing solutions, such as gaskets and hydraulic components, for heavy machinery in the infrastructure and renewables industries. The Life Sciences sector offers a range of medical instruments, diagnostic equipment, and laboratory products to healthcare professionals and scientists. Across all its operations, Diploma PLC focuses on providing value-added solutions, encompassing bespoke product design, technical support, and supply chain management for applications where quality and reliability are paramount.

Recent filings

Filing Released Lang Actions
Director/PDMR Shareholding
Director's Dealing Classification · 90% confidence The document is an RNS announcement titled “Notification of transactions by persons discharging managerial responsibilities (PDMRs)”. It details an individual director’s purchase of ordinary shares, the transaction date, price, volume, and regulatory references to Market Abuse Regulation. This corresponds to insider share transactions by a director. Therefore, it is a Director’s Dealing.
2026-05-21 English
Half Year Results
Earnings Release Classification · 88% confidence The document is an RNS announcement dated 19 May 2026 titled “Half Year Results for the Six Months Ended 31 March 2026.” It contains summary tables of revenue, profit, margins, EPS, cash flow, dividend declaration and CEO commentary, along with a link to the full PDF. This is the initial public release of interim period results (key highlights only), rather than the full interim report. Therefore it best fits the description of an Earnings Release. H1 2026
2026-05-19 English
Half Year Results
Interim / Quarterly Report Classification · 95% confidence The document is Diploma PLC’s detailed half-year results announcement for the six months ended 31 March 2026, including comprehensive financial tables (revenue, profit, margins, segment performance), management discussion of operations, strategy, outlook and sector reviews. It is more substantive than a brief earnings release (it includes extensive narrative and referenced condensed financial statements) and clearly covers a period shorter than a full fiscal year. Therefore it matches an Interim/Quarterly Report. H1 2026
2026-05-19 English
Holding(s) in Company
Major Shareholding Notification Classification · 99% confidence The document is a TR-1 notification of major holdings filed via RNS by Diploma PLC. It details a shareholder (Norges Bank) crossing a voting rights threshold on 16-Apr-2026 with ISIN GB0001826634. This matches the definition of a Major Shareholding Notification (MRQ).
2026-04-20 English
Holding(s) in Company
Major Shareholding Notification Classification · 95% confidence The document is an RNS announcement containing a completed TR-1 standard form for notification of major holdings, including threshold crossing details (voting rights percentages before and after, details of the shareholder structure, dates of notification). This exactly matches the definition of a Major Shareholding Notification.
2026-04-09 English
Holding(s) in Company
Major Shareholding Notification Classification · 98% confidence The document is a TR-1 form ‘‘Standard form for notification of major holdings’’ filed under the UK’s Disclosure and Transparency Rules, detailing BlackRock’s crossing of the 5% voting threshold in Diploma PLC. This exactly matches the Major Shareholding Notification category.
2026-03-23 English

Browse filings by year

25 years

Report missing filing

Can't find a specific document? Let us know and we'll add it within 24 hours.

We will notify you once the filing is added.
Report sent
Thank you. We will check the data and update it shortly.