Hi productive
The shares were returned on 11-11-16
http://hotcopper.com.au/posts/20634194/single
How does the seller benefit - The borrower sells the shares at a given price, and then it hopes to buy the shares back at a lower price from which they sold. So in effect they are buying the shares back at a cheaper price and making a profit from the sp declining.
Cheers
Tradealot