I couldn't find it on IB...
http://www.marketwatch.com/news/story/goldman-amex-could-sell-some/story.aspx?guid={B7230D9A-08FE-419F-A2BB-6A0EBB79E0D0}&dist=msr_8
http://www.marketwatch.com/news/story/goldman-amex-could-sell-some/story.aspx?guid={B7230D9A-08FE-419F-A2BB-6A0EBB79E0D0}&dist=msr_8