Radius had wanted to attract institutional investors in its recent $48.2m capital raising which was why the new shares were sold at such a deep discount.
Hospitality businesses using software to make sales look lower to avoid taxes face the prospect of hefty fines.
Chief executive Clive Mackenzie says build-to-rent is a long-term proposition.
The high court dismissed claims Turners Automotive breached fundamental covenants with the vendor of Buy Right Cars.