Sept 8 (Reuters) - Universal Biosensors Inc UBI.AX :
* VIBURNUM FUNDS PTY LTD REPORTS A STAKE OF 21.87% IN UNIVERSAL BIOSENSORS AS OF SEPT. 4 - SEC FILING
* VIBURNUM FUNDS PTY LTD - PURCHASED UNIVERSAL BIOSENSORS SHARES BASED ON BELIEF SHARES WERE UNDERVALUED