I have no direct knowledge of the sante.ca situation, but it's a great domain for a brand, and if I had to guess, whoever paid or is paying big bucks in TBR for that domain is either a broker or lawyer representing an end-user, or is the end-user.
BTW - if you didn't know, baremetal has more transparency in auctions than anywhere else. They assign a random userid each week for auctions, but that random userid is the same in all auctions that week. So this bidder was bidding on much more than just sante.