Complex sentence: Paterson fell from grace when a subordinate embezzled from the company which then took back Paterson's stock and expelled him from the Court of Directors; he was to have little real influence on events after this point.
Split into simpler sentences: Paterson fell from grace when a subordinate embezzled from the company. The company took back Paterson's stock and expelled him from the Court of Directors; he was to have little real influence on events after this point.