Buy warrant because of
1) max your RM spend, buy 4 warrant instead of 1 mother
2) gearing or leverage, when mother up10 c, gain = 2.5%, warrant theorothical up 10c, 10/90c =11%

Scientx Warrant now has 4. 30+.905 / 4 =30% premium which is normal for growth stock with 5yrs term