Looking at the universe of stocks we cover at Dividend Channel, on 8/11/16, SemGroup Corp (NYSE: SEMG), Helmerich & Payne, Inc. (NYSE: HP), and Enbridge Inc (NYSE: ENB) will all trade ex-dividend for their respective upcoming dividends. SemGroup Corp will pay its quarterly dividend of $0.45 on 8/25/16, Helmerich & Payne, Inc. will pay its quarterly dividend of $0.70 on 9/1/16, and Enbridge Inc will pay its quarterly dividend of $0.53 on 9/1/16.