Magna will not stop selling. They have another ~$500,000 worth to convert and sell.
One only has to look at a few other stocks that involved Magna to prove they will continue to sell.
NSL - 15/01/2015 - http://www.asx.com.au/asxpdf/20150115/pdf/42w0bx79kk1ffj.pdf
NSL broker trades from 15/01/2015 - (Magna = Morgans Financial)
QBL - 09/09/2015 - http://www.asx.com.au/asxpdf/20150909/pdf/4316hd8j83r1gt.pdf
QBL broker trades from 09/09/2015 (Magna = Morgans Financial)