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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 2025-08-19 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
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 a change in voting rights held by UBS Group AG, crossing a specific threshold. This is a standard regulatory disclosure for major shareholding notifications, which corresponds to the 'Major Shareholding Notification' category.
2025-08-19 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 filing under the UK Takeover Code. It details the interests and dealings in relevant securities by a person or entity (Millennium International Management LP) holding 1% or more of a company (Spirent Communications plc) involved in a takeover. This type of disclosure is a specific regulatory requirement for major shareholders during M&A activity and does not fit into the other categories like M&A announcements (TAR) or director dealings (DIRS). Therefore, it is classified as a Major Shareholding Notification.
2025-08-19 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 JPMorgan Chase & Co. regarding their shareholding in Spirent Communications PLC. This is a regulatory requirement for disclosing when a shareholder crosses a specific ownership threshold. Based on the provided filing categories, this document fits the definition of a 'Major Shareholding Notification'.
2025-08-19 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 Morgan Stanley regarding Spirent Communications PLC. This is a regulatory requirement for disclosing significant changes in share ownership (crossing thresholds). Based on the provided definitions, this falls under 'Major Shareholding Notification'.
2025-08-19 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 filing required under the UK Takeover Code for persons with interests in relevant securities representing 1% or more of an offeror or offeree. It details share positions and dealings (specifically equity swaps) in Spirent Communications plc. Since this is a specific regulatory disclosure regarding shareholdings and dealings during a takeover period, it falls under the category of Major Shareholding Notification (MRQ).
2025-08-18 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 a change in voting rights held by UBS Group AG, crossing a specific threshold. This is a standard regulatory disclosure for major shareholding notifications, which corresponds to the MRQ category.
2025-08-18 English

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