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Spirent Communications PLC — Investor Relations & Filings

Ticker · SPT ISIN · GB0004726096 LEI · 213800HKCUNWP1916L38 IL Telecommunications, computer programming, consultancy, computing infrastructure, and other information service activities
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Filings indexed 1,706 across all filing types
Latest filing 2025-10-06 Major Shareholding Noti…
Country GB United Kingdom
Listing IL SPT

About Spirent Communications PLC

https://www.spirent.com/

Spirent Communications is a global provider of automated testing and assurance solutions for networks, cybersecurity, and positioning. The company's portfolio enables technology developers, service providers, and enterprises to validate and optimize new technologies and services throughout their lifecycle. Key offerings include solutions for validating 5G and next-generation networks, ensuring the performance of positioning, navigation, and timing (PNT) systems through GNSS simulation, and testing security infrastructure against threats. Spirent's solutions are designed to help customers accelerate development, reduce operational complexity, enhance user experience, and secure their networks and devices. The company supports innovation in development labs, communication networks, and IT organizations by providing tools to manage the increasing complexity and security vulnerabilities of modern technologies.

Recent filings

Filing Released Lang Actions
Form 8.3 - Spirent Communications plc
Major Shareholding Notification Classification · 100% confidence The document is a 'Form 8.3' disclosure, which is a standard regulatory requirement under the UK Takeover Code for persons with interests in relevant securities representing 1% or more of an offeror or offeree company. It details positions and dealings in Spirent Communications plc by Millennium International Management LP. This type of filing is a specific regulatory disclosure regarding shareholding and derivative positions during a takeover period, which falls under the 'Major Shareholding Notification' category.
2025-10-06 English
Holding(s) in Company
Major Shareholding Notification Classification · 100% confidence The document is a 'TR-1: Standard form for notification of major holdings' filed by UBS Group AG regarding their shareholding in Spirent Communications PLC. It explicitly details the crossing of a voting rights threshold (falling below 5%). This fits the definition of a Major Shareholding Notification (MRQ).
2025-10-06 English
Holding(s) in Company
Major Shareholding Notification Classification · 100% confidence The document is a 'TR-1: Standard form for notification of major holdings' filed by UBS Group AG regarding their shareholding in Spirent Communications PLC. This document explicitly details the crossing of a voting rights threshold, which is the standard format for a Major Shareholding Notification (MRQ).
2025-10-03 English
Holding(s) in Company
Major Shareholding Notification Classification · 100% confidence The document is a 'TR-1: Standard form for notification of major holdings' filed by Spirent Communications PLC. It details the acquisition of voting rights by HSBC Holdings plc, crossing a specific threshold. This is a classic regulatory disclosure regarding significant share ownership, which falls under the 'Major Shareholding Notification' category.
2025-10-03 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 disclosing significant changes in share ownership (crossing thresholds). This aligns perfectly with the definition of a Major Shareholding Notification (MRQ).
2025-10-03 English
Form 8.3 - Spirent Communications plc
Major Shareholding Notification Classification · 100% confidence The document is a 'Form 8.3' disclosure, which is a standard regulatory requirement under the UK Takeover Code for persons with interests in relevant securities representing 1% or more of an offeror or offeree company. It details positions and dealings in Spirent Communications plc by Millennium International Management LP. This type of filing is a specific regulatory disclosure regarding shareholding and derivative positions during a takeover period, which falls under the 'Major Shareholding Notification' category as it tracks significant ownership and changes in interest.
2025-10-03 English

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