Complex sentence: However, in late 1985, with the release of the IBM PC-based "Auto CAD", Gerhardt's group began to lose market share; the group dispersed and the code base was sold to Computervision.
Split into simpler sentences: However, in late 1985, with the release of the IBM PC-based "Auto CAD", Gerhardt's group began to lose market share. The group dispersed and the code base was sold to Computervision.