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Market Abuse Regulation
Enforcement Hub
Welcome to the EU Market Abuse Regulation (MAR) Enforcement Hub, designed for European compliance professionals
Explore trends since 2016, understand which aspects require your attention, and monitor the evolution of sanctions.
🔎 Explore Data DashboardLearn what went wrong in specific MAR infringement cases and identify where your compliance processes need reinforcement.
🔎 Explore Breach CasesDownload the most requested resources covering core MAR topics and strengthen your expertise with trusted guides.
🔎 Explore Compliance ResourcesRead the most recent ESMA and EU updates, presented in clear summaries that outline the actions required.
🔎 Explore Updates
1
Brief your leadership: present enforcement data and operational findings that reinforce your discussion points at team and board level
2
Support MAR‑related work: reinforce training, internal awareness, and day‑to‑day compliance tasks with clear, curated resources
3
Stay aligned with ESMA updates: follow enforcement developments and adjust your internal processes accordingly
Use the data dashboard to review the evolution of MAR sanctions and fines over the years, and provide your stakeholders with decisions supported by data.
- Where a data point is not publicly disclosed, we say so.
- Notice any inaccuracies? Let us know.
Select the year
A 2026 Guide to the European Regulatory Landscape
An annual overview of major EU regulatory updates, enforcement developments and best‑practice considerations across MAR, MiFID II, ESAP and the 2026 Listing Act.
In collaboration with 
lawyers
MAR Checklist: everything you need to do
This checklist distills the core actions EU listed companies need to maintain robust, audit‑ready compliance with the Market Abuse Regulation, from preventing market abuse and insider risks to managing conflicts of interest.
Manage PDMR Trading More Efficiently
This ebook shows how a structured, efficient PDMR trade‑approval framework can reduce MAR‑related risk without slowing compliance down.
Download8 Best Practices for Managing Closed Periods
This guide outlines how to handle MAR closed periods correctly by applying practical methods that keep trading controls disciplined, timely and compliant.
DownloadAsk ChatGPT or maybe not
A compact guide that shows when generative AI supports compliance work, when it shouldn’t be used, and how to apply it safely and effectively. With practical examples related to MAR.
Download
Meet your requirements
Receive more information about InsiderLog, the platform where you can securely manage key MAR compliance tasks and strengthen control over market‑abuse risks.
Listing Act
MAR webinar
Listing Act 2026 - shifting the focus towards strong
governance
The EU Listing Act introduces the most significant updates to the Market Abuse Regulation since its implementation in 2016.
From 5 June 2026, several MAR obligations have changed and issuers must update their processes. Read our summary of the Listing Act amendments to MAR.
Webinar recap: key compliance questions on the latest MAR changes
Experts addressed the most frequent questions on MAR and the 2026 Listing Act amendments during our recent session. Read the Q&A recap.
Listing Act
Listing Act 2026 - shifting the focus towards strong
governance
The EU Listing Act introduces the most significant updates to the Market Abuse Regulation since its implementation in 2016.
From 5 June 2026, several MAR obligations have changed and issuers must update their processes. Read our summary of the Listing Act amendments to MAR.
MAR webinar
Webinar recap: key compliance questions on the latest MAR changes
Experts addressed the most frequent questions on MAR and the 2026 Listing Act amendments during our recent session. Read the Q&A recap.
Next step
Strengthen your compliance
Explore InsiderLog, a solution built for today’s requirements.
- All key MAR tasks in one place - Insider lists, disclosures, PDMR.
- Always aligned with new rules - Including 2026 Listing Act updates.
- Trusted since MAR began - Supporting EU compliance teams since 2016.
Request a meeting with a MAR compliance expert: choose the length you prefer
Short call - For compliance leaders who want a quick discussion on how InsiderLog can reduce operational risk, and understand if existing approach can be strengthened or modernised.
Longer meeting - For teams ready for a personalised demo to assess impact on efficiency, audit readiness and regulatory alignment.