Austin, Texas-based Continuum Co Inc has completed its acquisition of Vantage Computer Systems Inc from DST Systems Inc and Robert Maltempo, chief executive of Vantage: Continuum acquired Vantage in exchange for 4m new Continuum shares with 2.9m shares issued immediately and an additional 1.1m shares subject to approval by Continuum shareholders; if the holders do not approve the issuance of the additional shares, other consideration – cash? – will be paid over.