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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 2025-09-24 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. This type of filing is a specific regulatory disclosure regarding shareholdings and derivative positions during a takeover period, which falls under the 'Major Shareholding Notification' category as it tracks significant ownership and changes in interest.
2025-09-24 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 the regulatory standard in the UK for disclosing changes in significant share ownership (crossing thresholds). This directly matches the definition for 'Major Shareholding Notification' (MRQ).
2025-09-24 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 during an M&A offer period. It details positions and dealings in Spirent Communications plc by Millennium International Management LP. Since this is a specific regulatory disclosure regarding shareholdings and dealings during a takeover, it falls under the 'Major Shareholding Notification' category, which covers notifications of significant ownership changes and related regulatory disclosures of this nature.
2025-09-23 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 during an offer period. This form details positions and dealings in the securities of Spirent Communications plc. Since it is a specific regulatory disclosure regarding shareholdings and dealings during a takeover/offer period, it falls under the 'Regulatory Filings' category as it does not fit into the specific 'Director's Dealing' (which is for company insiders) or 'Major Shareholding Notification' (which is for threshold crossings) categories in the provided schema.
2025-09-22 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 during an offer period. This specific form is used for 'Public Opening Position Disclosure/Dealing Disclosure'. Since it details shareholding positions and dealings in the context of a takeover/offer, it falls under the category of Major Shareholding Notification (MRQ) as it tracks significant ownership changes and interests in the company's securities.
2025-09-19 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 type of filing is specifically designed to notify the market when a shareholder crosses a significant ownership threshold. According to the provided filing definitions, this corresponds to a 'Major Shareholding Notification' (MRQ).
2025-09-19 English

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