Form DEFA14A - Additional definitive proxy soliciting materials and Rule 14(a)(12) material:
SEC Accession No. 0000350894-20-000028
Filing Date
2020-05-14
Accepted
2020-05-14 12:08:31
Documents
3
Effectiveness Date
2020-05-14

Document Format Files

Seq Description Document Type Size
1 ADDITIONAL DEFINITIVE PROXY SOLICITING MATERIALS a2020proxysupplement.htm DEFA14A 51775
2 GRAPHIC seiexhibit991logoa31.jpg GRAPHIC 35933
3 GRAPHIC seinwnaka36.jpg GRAPHIC 37183
  Complete submission text file 0000350894-20-000028.txt   153958
Mailing Address 1 FREEDOM VALLEY DRIVE OAKS PA 19456-1100
Business Address 1 FREEDOM VALLEY DRIVE OAKS PA 19456-1100 6106761000
SEI INVESTMENTS CO (Filer) CIK: 0000350894 (see all company filings)

EIN.: 231707341 | State of Incorp.: PA | Fiscal Year End: 1231
Type: DEFA14A | Act: 34 | File No.: 000-10200 | Film No.: 20876449
SIC: 6211 Security Brokers, Dealers & Flotation Companies