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SDI GROUP PLC — Investor Relations & Filings

Ticker · SDI ISIN · GB00B3FBWW43 LEI · 213800YA3XW7JRE46Z70 IL Manufacturing
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Filings indexed 267 across all filing types
Latest filing 2026-05-11 Board/Management Inform…
Country GB United Kingdom
Listing IL SDI

About SDI GROUP PLC

https://sdigroup.com/

SDI Group PLC is an acquisitive group focused on acquiring and developing companies that design and manufacture scientific and technology products. The group's portfolio of businesses specializes in niche applications for science and industry, with core product areas including specialist laboratory equipment, industrial and scientific sensors, and control systems. Key technologies are centered on digital imaging, sensing, and control applications. The company pursues a 'buy and build' strategy, driving growth through both strategic acquisitions of complementary technology businesses and by fostering organic development within its existing companies. This approach aims to deliver solutions that enhance efficiency and sustainability for a global customer base.

Recent filings

Filing Released Lang Actions
Directorate change
Board/Management Information Classification · 93% confidence The document is an RNS announcement titled “Board Change” detailing a Non-Executive Director’s intention to step down and the commencement of a search for a replacement. It does not present financial statements or report publication; rather, it announces a change in the company’s board membership. This matches the Board/Management Information category.
2026-05-11 English
Holding(s) in Company
Major Shareholding Notification Classification · 96% confidence The document is an RNS TR-1 notification form (“Standard form for notification of major holdings”) detailing the crossing of a voting rights threshold by a shareholder (Mikhail Stiskin) for SDI Group PLC. This is exactly a Major Shareholding Notification as per category definitions (Code: MRQ).
2026-04-10 English
Holding(s) in Company
Major Shareholding Notification Classification · 98% confidence The document is a TR-1 form notifying a change in significant shareholding (major holdings) by Mikhail Stiskin in SDI Group PLC, showing crossing of the 8% threshold. This matches the definition of Major Shareholding Notification (Code: MRQ).
2026-04-09 English
Holding(s) in Company
Major Shareholding Notification Classification · 100% confidence The document is a 'TR-1: Standard form for notification of major holdings', which is a regulatory requirement for shareholders to disclose when their interest in a company crosses specific voting rights thresholds. This aligns perfectly with the definition of a Major Shareholding Notification (MRQ).
2026-03-20 English
News from Portfolio Companies
Regulatory Filings Classification · 95% confidence The document is an 'RNS Reach' announcement from SDI Group PLC. It provides a business update regarding the activities of its various portfolio companies (e.g., Sentek, Chell, Monmouth Scientific). It explicitly states in the footer that it is a 'non-regulatory press release' and not a regulatory announcement required under AIM rules. Since it is a general corporate update/press release that does not fit into specific financial reporting categories like 10-K, ER, or IR, it falls under the 'Regulatory Filings' (RNS) category as the designated fallback for miscellaneous corporate announcements.
2026-03-17 English
Holding(s) in Company
Major Shareholding Notification Classification · 100% confidence The document is a 'TR-1: Standard form for notification of major holdings' for SDI Group PLC. This form is used to report changes in significant share ownership (crossing thresholds), which directly matches the definition for 'Major Shareholding Notification'. The document contains multiple instances of this form, all detailing the acquisition of voting rights by a specific shareholder.
2026-03-13 English

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