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UK Market Abuse Regulation meaning

What does UK Market Abuse Regulation mean?
The term used in practice for the UK regime that governs insider dealing, unlawful disclosure of inside information and market manipulation in UK financial markets. Lawyers and regulators commonly call it UK MAR. It is the UK onshored version of Regulation (EU) 596/2014 (the market abuse regulation), forming part of domestic law under the European Union (Withdrawal) Act 2018 and amended by UK exit instruments; since 2024 it is treated as “assimilated law”. Key features include: scope over financial instruments admitted to trading on UK regulated markets, MTFs and OTFs (and related OTC conduct); issuer obligations to disclose inside information, keep insider lists and observe closed periods; PDMR/PCAs transaction notifications; market soundings; and STORs by firms professionally arranging or executing transactions. The FCA is the competent authority for supervision, guidance (including FCA Handbook MAR 1) and enforcement through administrative sanctions. Across England & Wales, Scotland and Northern Ireland, usage and effect are consistent. In Ireland, “Market Abuse Regulation” ordinarily refers to the EU regime (EU MAR) supervised by the Central Bank of Ireland. In practice, UK MAR is the primary civil market abuse framework after brexit, central to disclosure, compliance and investigations for UK issuers, trading venues and investment firms.
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View the related Checklists about UK Market Abuse Regulation

CHECKLISTS
UK Market Abuse Regulation (MAR): Practical Guide and Flowchart for Assessing Insider Dealing, Unlawful Disclosure and Instruments in Scope

Assimilated Regulation (EU) 596/2014 (UK Market Abuse Regulation) has effect in the UK from IP completion day (31 December 2020)...

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CHECKLISTS
Archived UK tracker: FCA 2025 consultation papers, deadlines, policy statements and Handbook Notices

ARCHIVED : This Checklist has been archived and is not maintained. This tracker summarises consultation papers issued by the Financial Conduct Authority (FCA) in 2025, together with the release of any related rules and guidance. For FCA consultation papers from other years, see: FCA consultation paper trackers. For Prudential Regulation Authority (PRA) papers from 2017 and Financial Services Authority (FSA) papers from 2008 to 2013, see: PRA consultation paper tracker [Archived] FSA consultation paper tracker [Archived] Fintech and cryptoassets - Prudential requirements: CP25/42: A prudential regime for cryptoasset firms - proposals for new prudential rules for all cryptoasset firms requiring FCA authorisation - 16 December 2025 - 12 February 2026 Fintech and cryptoassets - Market abuse regime: CP25/41: Regulating cryptoassets: Admissions & disclosures and market abuse regime for cryptoassets - proposals on the regulation of cryptoassets, including admissions, disclosures, and the market abuse regime - 16 December 2025 - 12 February 2026 Fintech and cryptoassets -...

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CHECKLISTS
Archived timeline: EU, EEA and UK Market Abuse Regulation (MAR) developments, 2003–2023

ARCHIVED: This timeline has been archived and is no longer maintained. For developments from January 2024 onwards, see EU Market Abuse Regulation—timeline for issues relating to the EU Market Abuse Regulation, or UK Market Abuse Regulation—timeline for matters concerning the UK Market Abuse Regulation. For further guidance on the EU Market Abuse Regulation, see Practice Note: EU Market Abuse Regulation (MAR)—essentials. For further guidance on the UK Market Abuse Regulation, see Practice Note: UK Market Abuse Regulation (MAR)—essentials. Date: 9 November 2023 Source: European Economic Area Joint Committee Documents: Decision of the EEA Joint Committee No 98/2023 of 28 April 2023 amending Annex IX (Financial services) to the EEA Agreement [2023/2252]; Decision of the EEA Joint Committee No 99/2023 of 28 April 2023 amending Annex IX (Financial services) to the EEA Agreement [2023/2253]; Decision of the EEA Joint Committee No 100/2023 of 28 April 2023 amending Annex IX (Financial services) to the EEA Agreement [2023/2254] Description: Three decisions of the EEA Joint Committee...

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FLOWCHARTS
Flowchart: assessing inside information under Article 7 of the EU and UK Market Abuse Regulation

The following chart provides a concise outline of the principal information and the questions to weigh when determining whether something amounts to inside information for the purposes of Article 7 of Regulation (EU) 596/2014 (the EU Market Abuse Regulation) and Assimilated Regulation (EU) 596/2014 (the UK Market Abuse Regulation). For fuller detail, consult Practice Note: Market Abuse Regulation (MAR)—essentials—Definition of inside information...

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NEWS
Financial services weekly: UK and EU regulatory, enforcement, capital markets, banking, funds and insurance highlights—29 August 2024

In this issue Prudential requirements Financial crime and sanctions Consumer protection Investigations, enforcement and discipline Ex-Barclays executive loses appeal over FCA ban on senior job Regulation of capital markets Banks and mutuals Investment funds and asset management Regulation of insurance Financial Services Enforcement Database Daily and weekly news alerts Intraday news alerts New and updated content Dates for your diary Prudential requirements EBA updates systemic importance indicators for G-SIIs. The European Banking Authority (EBA) has refreshed the set of 13 systemic importance indicators, together with the underlying data, for the EU’s 33 largest institutions whose leverage ratio exposure measure exceeds EUR 200 bn. The release also provides revised figures and data items reflecting recognition of the Banking Union and of institutions within the Single Resolution Mechanism. This dataset is updated on an annual cycle. See: LNB News 27/08/2024 20. Financial crime and sanctions IEA publishes discussion paper on...

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NEWS
UK and EU financial services weekly briefing: PSR–FCA integration, FCA motor finance redress, market abuse controls, gilt repo reforms, sanctions actions, SFDR reporting, stablecoin frameworks (11 September 2025)

In this issue: UK, EU and international regulators and bodies Authorisation, approval and supervision Prudential requirements Financial crime and sanctions Conduct requirements Complaints, compensation and claims management Investigations, enforcement and discipline Regulation of capital markets Sustainable finance and ESG Consumer credit, mortgage and home finance Regulation of insurance FSMA regulated pensions activity Payment services and systems Fintech and cryptoassets LexTalk®Financial Services: a Lexis®Nexis community Financial Services Enforcement Database Daily and weekly news alerts Intraday news alerts New and updated content Dates for your diary UK, EU and international regulators and bodies HMT consults on proposed integration of PSR functions into FCA framework HM Treasury (HMT) has launched a consultation proposing to fold the Payment Systems Regulator’s (PSR) remit into the Financial Conduct Authority (FCA) under the government’s Regulatory Action Plan. The intention is to streamline the payments regulatory landscape by reducing the number...

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NEWS
EU Law weekly: competition/FSR, GDPR platform liability, financial services (DORA–CTP MoU), energy/environment (PFAS, Ocean Act), UPC ruling, passenger rights, AI Act and DMA reviews—15 January 2026

In this issue EU fundamentals Competition and state aid Data protection and cybersecurity Financial services Energy Environment Insurance and reinsurance Life sciences Regulatory TMT Daily and weekly news alerts New and updated content Trackers EU fundamentals EU Law—key developments in 2025 and horizon scanning for 2026 This News Analysis distils the principal EU developments from 2025 and highlights what is expected in 2026. See News Analysis: EU Law—key developments in 2025 and horizon scanning for 2026. Competition and state aid Antitrust—Google and Alphabet v Commission An application for annulment has been submitted to the General Court in Case T-794/25, Google and Alphabet v Commission, contesting the Commission’s prohibition decision on Adtech and data-related practices (abuse of dominance) (AT.40670), under Article 102 TFEU and Article 54 of the EEA Agreement—see further, application. See News Analysis: EU Competition law—daily round-up (12/01/2026). Foreign Subsidies Regulation—Commission’s guidelines The Commission...

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View the related Practice Notes about UK Market Abuse Regulation

PRACTICE NOTES
UK DTR 2: issuer obligations on disclosure, delay, control and selective disclosure of inside information—FCA/ESMA guidance, case law, COVID‑19 context and enforcement (post‑Brexit UK MAR)

Resource Note This Resource Note signposts key commentary, analysis and materials to aid interpretation and offer practical direction on using Chapter 2 of the Disclosure Guidance and Transparency Rules (DTR 2). Where relevant, it draws on: the Financial Conduct Authority (FCA) Handbook FCA Knowledge Base—Procedural and Technical notes (formal guidance binding on the FCA) FCA consultation and discussion papers, policy and feedback statements, and warnings Primary Market Bulletins and other FCA publications legacy UKLA technical and procedural notes and the UKLA’s newsletter List!, where still pertinent assimilated EU legislation EU Directives and EU Regulations, where helpful to construing a provision Lexis+® UK analysis and resources Setting the scene What it covers: DTR 2 prescribes the framework for issuers to disclose and manage inside information, supporting timely and even-handed release of market-sensitive information. It also identifies specific situations permitting a delay to public disclosure of inside information, together with the safeguards required to keep such information...

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PRACTICE NOTES
UK FCA DTR 1–1C: application, post‑Brexit and 2024 listing reforms, MAR interplay, audit committees, misleading disclosures and related party rules

This Resource Note spotlights commentary, analysis and materials to aid interpretation and give practical guidance on applying Chapters 1, 1A, 1B and 1C of the Disclosure Guidance and Transparency Rules: DTR 1, DTR 1A, DTR 1B and DTR 1C respectively. Materials referenced here include, where pertinent: the Financial Conduct Authority (FCA) Handbook FCA Knowledge Base guidance—Procedural notes and Technical notes (constituting formal guidance and binding on the FCA) FCA consultation papers, discussion papers, policy statements, feedback statements and warnings Primary Market Bulletins and other FCA publications former UKLA technical and procedural notes and the UKLA newsletter List!, where still relevant to interpreting or applying a provision assimilated EU legislation EU Directives and EU Regulations, where relevant to interpreting a provision Lexis+ UK analysis and resources Setting the scene What it covers: DTR 1 sets out the Disclosure guidance, explaining its scope and purpose; DTR 1A sets out the transparency rules with their scope and purpose;...

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PRACTICE NOTES
Share-based remuneration for UK non-executive directors: independence, employees’ share scheme status, Listing/AIM, UK MAR, pre-emption, financial assistance, FSMA, disclosure and practical structuring options

Meaning of ‘non-executive director’ The broad definition of ‘director’ is not closed. Under the Companies Act 2006 (CA 2006), a director is any person who occupies the office of director, whatever title they hold. Accordingly, this covers both executive and non-executive directors (NEDs). Executive directors are typically authorised, either by the company’s constitution or by authority delegated from the board, to manage the company’s day-to-day affairs, and they usually have a full-time service contract. NEDs generally: have no executive powers play a pivotal role in the company’s corporate governance are not employees of the company There are a number of challenges around granting shares to NEDs. This Practice Note considers the issues to assess when offering shares or share-based remuneration to NEDs, including: the potential impact on the NED’s independence the share dealing provisions of Assimilated Regulation (EU) 596/2014 for the UK, and the Market Abuse Regulation (Regulation (EU) 596/2014) previously and for the EU ...

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View the related Precedents about UK Market Abuse Regulation

PRECEDENTS
UK environmental reporting for large unquoted companies: CA 2006 TCFD-aligned and SECR obligations, strategic report and GHG disclosures, with QCA/Wates considerations and practical board guidance

Memorandum prepared by [ Name of Firm ] for the directors of [ insert company name ] (the Company) providing guidance on annual environmental reporting obligations and disclosures 1 Scope This memorandum sets out the principal environmental disclosures the Company must present in its annual report and accounts. It reviews and explains the Companies Act 2006 (CA 2006) obligation to provide climate-related disclosures in line with the recommendations of the Task Force on Climate-related Financial Disclosures (TCFD), the need to state greenhouse gas (GHG) emissions, energy consumption and actions to improve energy efficiency under the Streamlined Energy and Carbon Reporting (SECR) regime, and other environmental legislation [ , as well as relevant principles and provisions within the QCA Corporate Governance Code (QCA Code) and the Wates Corporate Governance Principles for Large Private Companies (Wates Principles) ]. It also offers practical guidance for companies when assembling their environmental disclosures for reporting purposes. [ As an AIM company, the Company is subject to continuing disclosure obligations under the AIM...

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PRECEDENTS
UK climate and environmental reporting for quoted companies: TCFD, Listing Rules, Companies Act 2006, SECR, GHG, strategic report and UK Corporate Governance Code

Memorandum prepared by [ Name of Firm ] For the directors of [ insert company name ] (the Company) advising on annual environmental reporting 1 Scope This memorandum outlines the principal environmental disclosures the Company must include within its annual report and accounts. It addresses the UK Listing Rule and Companies Act 2006 ( CA 2006 ) obligations to present climate-related information consistent with the recommendations of the Task Force on Climate-related Financial Disclosures ( TCFD ). It also covers the duty to disclose greenhouse gas ( GHG ) emissions, energy consumption and measures to improve energy efficiency under the Streamlined Energy and Carbon Reporting ( SECR ) framework, together with other environmental legislation [ , and relevant principles and provisions from the UK Corporate Governance Code ( UKCG Code ) ] . In addition, it provides practical guidance to assist companies in compiling robust environmental disclosures. As a listed entity, the Company is further subject to continuing disclosure duties under the UK Listing Rules, the Disclosure Guidance...

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PRECEDENTS
Definitions for a public takeover via scheme of arrangement under the Takeover Code and Part 26 Companies Act 2006 (England and Wales)

DEFINITIONS The following terms apply throughout unless context dictates otherwise: parties/governance cover [ Offeree ] (its Directors, General Meeting, Group, Optionholders, Shareholders, Share Plans, Shares, Warrantholders and Warrants) and [ Offeror ] (its Directors, General Meeting, Group, [ Offeror Parent ], boards, shareholders and any [ Offeror ] Shareholder Resolutions). Transaction references include the Acquisition via the Scheme (or, with Panel consent, a Takeover Offer), the Announcement, Conditions, Meetings, Long Stop Date, Offer, Offer Period, Offer Price and the Resolution. Court/regulatory matters comprise the Court, Court Meeting, Court Hearing, Court Order, the Code, Companies Act, CMA, FCA, FSMA, UK Listing Rules/Market Abuse Regulation, Disclosure Guidance & Transparency Rules, the Panel and any Regulatory Information Service. Market/settlement terms include London Stock Exchange, Official List/Daily Official List, Business Day, Closing Price, CREST, Euroclear, CREST Regulations/Manual, certificated or uncertificated form and CREST sponsored member, plus the Registrars and Registrar of Companies. Scheme mechanics span the Scheme Document and Explanatory Statement, Forms of Proxy, Effective/Effective Date, Voting and Scheme Record Times, Scheme Shareholders/Shares,...

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