Zekkyou on 05 December 2014
This should help: http://www.capcom.co.jp/ir/english/business/million.html
All the versions of SF4 are listed separately (though the various platform versions are combined).
Edit: They don't seem to have Ultra on there, but according to Wiki it's sold 500k (full game only). No source was listed but i did a quick google and found one: http://www.eventhubs.com/news/2014/nov/01/sales-figures-ultra-street-fighter-4-retail-and-full-digital-editions-revealed-capcoms-fy2014-q2-results-presentation/
