Complex sentence: It was announced January 29 2018 that DMG fully acquired the comic publisher Valiant Entertainment, which it previously held only 57% ownership and forced founding President and CEO Dinesh Shamdasani out of the company.
Split into simpler sentences: It was announced January 29 2018 that DMG fully acquired the comic publisher Valiant Entertainment, which it previously held 57% ownership. Upon acquiring the whole of Valiant, DMG forced founding President and CEO Dinesh Shamdasani out of the company.