Disclosure obligations: prompt stock exchange notification of events affecting securities to prevent false markets and protect investors. Listed entities must promptly notify stock exchanges of events specified in Schedule III: immediate, non materiality tested disclosures such as acquisitions, disposals, securities issuance/alteration, rating actions, board meeting outcomes (dividends, buybacks, fund raising, capital changes, financial results), significant agreements affecting management/control, frauds or defaults, changes in directors/KMP/auditors, resolution or restructuring of borrowings, winding up petitions, notices and meeting proceedings, forensic audits and material social media communications. Additional categories apply on a materiality basis and there are distinct, detailed disclosure regimes for non convertible securities, IDRs, securitised debt instruments and security receipts.