Complex sentence: After ten years of Flynn working with producer Tripp Vinson, both split on June 17,2011, after completing their four films deal of joint company Contrafilm with New Line Cinema.
Split into simpler sentences: After ten years working with producer Tripp Vinson, Flynn and Vinson split on June 17,2011. The separation occurred after the completion of their four films deal of joint company Contrafilm with New Line Cinema.