The proposed changes, which were put forward by the European Commission in December 2022 as part of the Listings Act proposal, mean that insider lists would only include persons who have regular access to inside information, and not those who may have access to such information on a case by case basis. The letter outlines how the proposed changes may lead to detrimental effects for national supervisors and their ability to enforce against market abuse, as well as for issuers, who use insider lists to manage the flow and access to inside information.