Rule Collection
Rule Overview
Jurisdiction: United Kingdom
Regulator: FCA
Topic: Market Abuse
FCA Handbook MAR 1 (Market Abuse)
FCA fires warning shot over market soundings and insider trading
The UK FCA's Market Watch 75 has published observations on market soundings, voicing concern about potential insider trading.
FCA outlines market abuse prevention best practice at CFD firms
Regulator's granular observations useful to other market participants in order to ensure that their surveillance approach meets expectations.
FCA provides more advice on insider lists
Accurate lists that include personal information are required in the UK in order to fully comply with MAR.
Regulator's head of Secondary Markets Oversight encourages continuous improvement rather than perfection in implementing MAR regime.
The AFM said the investor's conduct posed a risk to the integrity of the financial markets and gave it solid grounds for imposing a penalty.
From June 5, 2026, EU Listing Act amendments will change criteria stipulating when issuers must disclose certain inside information under MAR.
To what extent do the business activities of prediction market platforms fall within the scope of financial services regulation in European jurisdictions?
We consider industry pushback and sovereignty concerns with Tom Callaby, CMS; and Miroslav Đurić, Taylor Wessing.
The call-out follows recurring suspicions of insider trading in connection to major share transactions.
Thematic review points to persistent recordkeeping issues at firms stemming from inadequate controls and use of error-prone manual systems.
ESMA’s final report also includes technical advice on MAR and MiFID, plus where disclosure of information is required because it contrasts with previous announcements.
