Complex sentence: CHEK is currently owned by Canwest, though a sale to CHEK Media Group, owned by station employees and local investors, was agreed to on September 4,2009 (with approval from the CRTC still needed).
Split into simpler sentences: CHEK is currently owned by Canwest, though a sale to CHEK Media Group, owned by station employees and local investors. The sale was agreed to on September 4,2009 (with approval from the CRTC still needed).