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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 1,656 across all filing types
Latest filing 2025-10-17 Delisting Announcement
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
Spirent Shares Delisting & Cancellation of Trading
Delisting Announcement Classification · 100% confidence The document is an official announcement from Spirent Communications PLC regarding the cancellation of its listing on the London Stock Exchange and the cancellation of trading of its shares. The title explicitly states 'DE-LISTING AND CANCELLATION OF TRADING OF SPIRENT SHARES'. This aligns perfectly with the definition for a Delisting Announcement (DLST).
2025-10-17 English
Holding(s) in Company
Major Shareholding Notification Classification · 100% confidence The document is a 'TR-1: Standard form for notification of major holdings' filed by Morgan Stanley regarding Spirent Communications PLC. This is a regulatory requirement for disclosing significant changes in share ownership (crossing thresholds). This fits the definition of a Major Shareholding Notification (MRQ).
2025-10-17 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 during an M&A transaction. It details positions and dealings in Spirent Communications plc. While it relates to M&A activity, it is specifically a regulatory disclosure of shareholdings/dealings rather than a merger announcement or takeover bid document itself. Therefore, it falls under the category of Regulatory Filings (RNS).
2025-10-16 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 its shareholding in Spirent Communications PLC. This document explicitly details the crossing of a voting rights threshold (from 5.59% to 8.93%), which is the standard format for a Major Shareholding Notification. It follows the regulatory requirements for such disclosures in the UK market.
2025-10-15 English
Form 8.3 - Spirent Communications plc
Regulatory Filings Classification · 100% confidence The document is a 'Form 8.3' disclosure, which is a mandatory regulatory filing under the UK Takeover Code. It details the interests and dealings in relevant securities by a person with interests representing 1% or more in a company involved in a takeover (Spirent Communications plc). This type of disclosure is a specific regulatory requirement for market transparency 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 Regulatory Filing (RNS).
2025-10-15 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 share positions and dealings in Spirent Communications plc. Since this is a specific regulatory disclosure regarding shareholdings and dealings during a takeover period, it falls under the 'Major Shareholding Notification' category, which covers notifications of significant ownership levels and related disclosures.
2025-10-14 English

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