On 30 July 2026, ASIC announced plans to change its substantial shareholding forms.
- new Substantial Holding Notice (SHN) form, consolidates three forms into one
- interest holders can meet their substantial holding obligations either by using the new SHN or one of three replacement forms that will take the place of Form 603, Form 604 and Form 605
- ASIC is exploring with market operators a web-based portal for users to submit substantial holding information;
- new form comes effective 7 June 2027
