Financial PostSuncor Energy commences offer for outstanding shares of Canadian Oil Sands LimitedMarketWatchCALGARY, ALBERTA, Oct 05, 2015 (Marketwired via COMTEX) -- Suncor Energy Inc. ("Suncor") today announced that it has formally commenced an unsolicited offer (the "Offer") to Canadian Oil Sands Limited ("COS" TSX Symbol "COS") shareholders to ...UPDATE 1-Suncor launches hostile bid for Canadian Oil Sands for C$4.3 blnReutersSuncor Launches Unsolicited Offer for Canadian Oil SandsWall Street JournalSuncor launches unsolicited C$4.3B offer for Canadian Oil SandsSeeking AlphaNasdaq -OilVoice -Financial Timesall 24 news articles »