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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 2025-06-13 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 · 99% confidence The document is explicitly titled 'TR-1: Standard form for notification of major holdings' and contains an 'RNS Number'. It details an acquisition or disposal of voting rights by JPMorgan Chase & Co. and reports the resulting percentage of voting rights. This structure is characteristic of regulatory notifications concerning changes in significant share ownership thresholds, which aligns perfectly with the Major Shareholding Notification (MRQ) definition. Although it is distributed via RNS, the specific content is a major holding notification, making MRQ the most precise classification.
2025-06-13 English
Holding(s) in Company
Major Shareholding Notification Classification · 99% confidence The document is titled 'TR-1: Standard form for notification of major holdings' and contains specific fields related to the acquisition or disposal of voting rights, ISIN codes, and details of the shareholder (Morgan Stanley). This structure is characteristic of regulatory filings mandated when a shareholder's stake crosses a certain threshold. The presence of 'RNS Number' and the closing statement referencing the London Stock Exchange and the Financial Conduct Authority confirms it is a regulatory disclosure. This type of filing, reporting changes in major shareholdings, maps directly to the 'Major Shareholding Notification' category.
2025-06-13 English
Form 8.3 - Spirent Communications plc
Major Shareholding Notification Classification · 97% confidence The document is explicitly titled 'FORM 8.3 - Spirent Communications plc' and references 'Rule 8.3 of the Takeover Code (the “Code”)'. This form is a Public Opening Position Disclosure/Dealing Disclosure made by a person holding 1% or more interests in relevant securities during a takeover situation. This type of filing relates directly to insider/significant shareholder activity during a takeover bid. Among the provided categories, 'Transaction in Own Shares (Code: POS)' covers share repurchases/issuance, and 'Director's Dealing (Code: DIRS)' covers insider trades. However, Form 8.3 is specifically mandated by the UK Takeover Code and deals with interests/dealings in the context of an ongoing offer. This is most closely related to insider trading/shareholder activity disclosure, but the specific context of a takeover bid makes it distinct. Since there is no specific code for 'Takeover Disclosure (Form 8.3)', I must evaluate the closest fit. Form 8.3 discloses interests and dealings (transactions) in securities. Given the options, 'Director's Dealing (DIRS)' covers personal share transactions by executives, and 'Transaction in Own Shares (POS)' covers company share activity. Since this is a disclosure by an external entity (Millennium International Management LP) regarding their position during an offer, it is a form of significant shareholder dealing disclosure. However, the most encompassing category for disclosures related to share ownership changes, especially those triggered by corporate actions like takeovers, often falls under general insider/shareholder transaction reporting. Given the options, 'Director's Dealing (DIRS)' is the closest analogue for reporting significant security interests and transactions by a major holder, even if the filer isn't strictly a director. If the takeover context was the primary driver, 'TAR' (M&A Activity) might be considered, but TAR is for the announcement of the M&A event itself, not the subsequent required disclosures by interested parties. Form 8.3 is a mandatory disclosure of security interests/dealings. I will classify this as 'Director's Dealing (DIRS)' as it represents mandatory disclosure of security interests/transactions by a major party involved in the company's securities, which is the closest fit for insider/significant holder transaction reporting among the choices, although it is technically a Takeover Code disclosure.
2025-06-12 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. It details the acquisition or disposal of voting rights and the resulting percentage of voting rights held. This aligns perfectly with the definition of a Major Shareholding Notification (MRQ), which tracks changes in significant share ownership levels.
2025-06-11 English
Form 8.3 - Spirent Communications plc
Major Shareholding Notification Classification · 98% confidence The document is explicitly titled "FORM 8.3 - Spirent Communications plc" and references "Rule 8.3 of the Takeover Code (the “Code”)". This form is used for Public Opening Position Disclosure or Dealing Disclosure by a person holding 1% or more interest in relevant securities during a takeover situation. This type of filing relates to insider transactions or significant ownership changes during a takeover bid, which falls under the scope of insider dealing or major shareholding notifications related to corporate actions. Since the document details dealings (specifically derivative transactions) by Millennium International Management LP concerning Spirent Communications plc during what appears to be a takeover context, it is most closely related to insider trading disclosures. Among the provided codes, "Director's Dealing (DIRS)" covers personal share transactions by executives/directors, and "Major Shareholding Notification (MRQ)" covers changes in significant ownership. Given the context of the Takeover Code (Rule 8.3), which mandates disclosure of interests and dealings by parties involved in an offer, this is a specific type of insider/major shareholder disclosure. While not strictly a Director's Dealing, it is a mandatory disclosure of interests/dealings by a significant party to an offer. In the context of the provided definitions, "Director's Dealing (DIRS)" is the closest fit for mandatory disclosure of personal security interests/transactions by insiders/major stakeholders, even though the filer here is an investment manager involved in the offer, not necessarily a director. However, if we consider the nature of the disclosure (dealing/position disclosure related to a specific corporate event like a takeover), it is a specialized regulatory filing. Since it is a specific disclosure mandated by the Takeover Code regarding interests/dealings, and not a general regulatory announcement (RNS) or a major shareholding notification (MRQ) which usually relates to crossing thresholds outside of a formal offer context, DIRS is the most appropriate category for mandatory insider/stakeholder transaction reporting among the choices, although it is a specialized form. Given the specific nature of the disclosure (Rule 8.3 dealing disclosure), it is a highly specific regulatory filing. If DIRS is interpreted broadly as 'insider dealing/transaction disclosure', it fits. If it must be strictly director-related, MRQ might be considered for the 1.706% holding, but the document focuses heavily on the *dealings* (Section 3). I will classify this as DIRS as it reports specific security dealings by a major interested party under a regulatory code governing transactions during an offer, which aligns best with the spirit of DIRS (insider/stakeholder transaction reporting).
2025-06-11 English
Holding(s) in Company
Major Shareholding Notification Classification · 98% confidence The document is titled 'TR-1: Standard form for notification of major holdings' and is issued via 'RNS Number : 4288M' on '11 June 2025'. It details an 'acquisition or disposal of voting rights' by UBS Group AG, crossing a threshold (5.048591%). This specific regulatory form (TR-1) is used to report changes in significant share ownership, which directly corresponds to the definition of Major Shareholding Notification (MRQ). Although it is distributed via RNS, the content is highly specific to share ownership changes, making MRQ the most accurate classification over the general RNS fallback.
2025-06-11 English

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