0000350894-20-000015.txt : 20200227 0000350894-20-000015.hdr.sgml : 20200227 20200227172659 ACCESSION NUMBER: 0000350894-20-000015 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20200227 FILED AS OF DATE: 20200227 DATE AS OF CHANGE: 20200227 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: WEST ALFRED P JR CENTRAL INDEX KEY: 0001059374 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 000-10200 FILM NUMBER: 20663941 MAIL ADDRESS: STREET 1: 1 FREEDOM VALLEY DRIVE CITY: OAKS STATE: PA ZIP: 19456 ISSUER: COMPANY DATA: COMPANY CONFORMED NAME: SEI INVESTMENTS CO CENTRAL INDEX KEY: 0000350894 STANDARD INDUSTRIAL CLASSIFICATION: SECURITY BROKERS, DEALERS & FLOTATION COMPANIES [6211] IRS NUMBER: 231707341 STATE OF INCORPORATION: PA FISCAL YEAR END: 1231 BUSINESS ADDRESS: STREET 1: 1 FREEDOM VALLEY DRIVE CITY: OAKS STATE: PA ZIP: 19456-1100 BUSINESS PHONE: 6106761000 MAIL ADDRESS: STREET 1: 1 FREEDOM VALLEY DRIVE CITY: OAKS STATE: PA ZIP: 19456-1100 FORMER COMPANY: FORMER CONFORMED NAME: SEI INVESTMENT CO DATE OF NAME CHANGE: 20040806 FORMER COMPANY: FORMER CONFORMED NAME: SEI CORP DATE OF NAME CHANGE: 19920703 4 1 primary_doc.xml PRIMARY DOCUMENT X0306 4 2020-02-27 0 0000350894 SEI INVESTMENTS CO SEIC 0001059374 WEST ALFRED P JR 1 FREEDOM VALLEY DRIVE OAKS PA 19456 0 0 1 0 COMMON STOCK 2020-02-27 4 S 0 122411 60.89 D 9581977 D RUTH MONTGOMERY (Attorney in Fact) 2020-02-27