Alfred P. West Jr.,, Executive Chairman at SEI Inv (NASDAQ:SEIC), disclosed an insider sell on August 28, according to a recent SEC filing. What Happened: According to a Form 4 filing with the U.S. Securities and Exchange Commission on Wednesday, Jr., sold 101,129 shares of SEI Inv. The total transaction value is $6,793,590. During Thursday’s morning session, SEI Inv shares up by 0.37%, currently priced at $67.55. All You Need to Know About SEI InvSEI Investments provides investment processing, management, and operations services to financial institutions, asset managers, asset owners, and fin…