0000929638-23-002529.txt : 20230913 0000929638-23-002529.hdr.sgml : 20230913 20230913193042 ACCESSION NUMBER: 0000929638-23-002529 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20230911 FILED AS OF DATE: 20230913 DATE AS OF CHANGE: 20230913 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: 231253781 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 form4.xml X0508 4 2023-09-11 0000350894 SEI INVESTMENTS CO SEIC 0001059374 WEST ALFRED P JR 1 FREEDOM VALLEY DRIVE OAKS PA 19456 true true true Executive Chairman false Common Stock 2023-09-11 4 S 0 18808 61.02 D 8340651 D Common Stock 2023-09-12 4 S 0 69540 60.49 D 8271111 D Common Stock 2023-09-12 4 S 0 900 61.02 D 8270211 D Common Stock 2023-09-13 4 S 0 43192 60.14 D 8227019 D Represents the weighted average of a range of sale prices from $60.89 to $61.13. The reporting person undertakes to provide to the Staff of the Securities and Exchange Commission, the Company or any stockholder of the Company, upon request, full information regarding the number of shares sold at each separate price. Represents the weighted average of a range of sale prices from $59.91 to $60.90. The reporting person undertakes to provide to the Staff of the Securities and Exchange Commission, the Company or any stockholder of the Company, upon request, full information regarding the number of shares sold at each separate price. Represents the weighted average of a range of sale prices from $60.96 to $61.12. The reporting person undertakes to provide to the Staff of the Securities and Exchange Commission, the Company or any stockholder of the Company, upon request, full information regarding the number of shares sold at each separate price. Represents the weighted average of a range of sale prices from $59.85 to $60.57. The reporting person undertakes to provide to the Staff of the Securities and Exchange Commission, the Company or any stockholder of the Company, upon request, full information regarding the number of shares sold at each separate price. /s/ Alfred P. West, Jr., by John Munch, attorney in fact 2023-09-13