0000350894-18-000077.txt : 20181220 0000350894-18-000077.hdr.sgml : 20181220 20181220113028 ACCESSION NUMBER: 0000350894-18-000077 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20181219 FILED AS OF DATE: 20181220 DATE AS OF CHANGE: 20181220 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: WITHROW WAYNE CENTRAL INDEX KEY: 0001191733 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 000-10200 FILM NUMBER: 181245331 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 2018-12-19 0 0000350894 SEI INVESTMENTS CO SEIC 0001191733 WITHROW WAYNE 0 1 0 0 EXECUTIVE VICE PRESIDENT STOCK OPTION (RIGHT TO PURCHASE) 2018-12-19 4 M 0 4997 17.65 A 36711 D COMMON STOCK 2018-12-19 4 S 0 4997 47.5 D 31714 D STOCK OPTION (RIGHT TO PURCHASE) 17.65 2018-12-19 4 M 0 4997 17.65 A 2011-02-25 2019-12-15 STOCK OPTION RIGHT TO PURCHASE 4997 25003 D RUTH MONTGOMERY (ATTORNEY IN FACT) 2018-12-20