Artikel 19 of the MAR defines insiders as
Persons discharging managerial responsibilities and persons closely associated with them shall notify the issuer or the market participant of any transaction carried out for their own account in shares or debt securities of that issuer or in related derivatives or other financial instruments.
Where “person closely associated with them” means
(a) a spouse or a partner treated as such under national law
(b) a dependent child in accordance with national law
(c) a relative who has lived in the same household for at least one year at the time of the transaction in question
(d) a legal person, trust or partnership whose management functions are carried out by a person discharging managerial responsibilities or by any person referred to in points (a), (b) or (c), and which is controlled, directly or indirectly, by any such person for the benefit of any such person or which has economic interests substantially equivalent to those of such person