SEI INVESTMENTS CO — 8-K Filings
190 8-K filings on record
This page lists all 8-K filings submitted to the SEC by SEI INVESTMENTS CO (SEIC), sorted by most recent first. Each row links to the full filing on EdgarLookup. SEI INVESTMENTS CO has filed 190 8-K documents with the SEC since 2013. To view all SEC filings by SEI INVESTMENTS CO, see the full filings list.
All
10-K
10-K/A
10-K405
10-Q
10-Q/A
11-K
13F-HR
13F-HR/A
144
3
3/A
4
4/A
5
5/A
8-A12B
8-A12G
8-K
8-K/A
ARS
CORRESP
DEF 14A
DEFA14A
DEFS14A
N-PX
NT 11-K
PRES14A
RW
S-8
SC 13D
SC 13D/A
SC 13G
SC 13G/A
SCHEDULE 13G/A
UPLOAD
| Form | Description | Accession Number | Filed | Period |
|---|---|---|---|---|
| 8-K | 8-K | 0000350894-26-000015 | Mar 2, 2026 | — |
| 8-K | FORM 8-K | 0000350894-26-000003 | Jan 28, 2026 | — |
| 8-K | — | 0000929638-26-000165 | Jan 15, 2026 | Jan 13, 2026 |
| 8-K | FORM 8-K | 0000350894-25-000126 | Dec 17, 2025 | Dec 12, 2025 |
| 8-K | FORM 8-K | 0000350894-25-000123 | Dec 3, 2025 | — |
| 8-K | FORM 8-K | 0000350894-25-000115 | Oct 24, 2025 | Oct 20, 2025 |
| 8-K | FORM 8-K | 0000350894-25-000113 | Oct 22, 2025 | — |
| 8-K | FORM 8-K | 0000350894-25-000109 | Sep 18, 2025 | — |
| 8-K | FORM 8-K | 0000350894-25-000106 | Aug 19, 2025 | Aug 18, 2025 |
| 8-K | FORM 8-K | 0000350894-25-000097 | Jul 23, 2025 | — |
| 8-K | FORM 8-K | 0000350894-25-000095 | Jul 22, 2025 | Jul 16, 2025 |
| 8-K | FORM 8-K | 0000350894-25-000092 | Jul 18, 2025 | Jul 17, 2025 |
| 8-K | FORM 8-K | 0000350894-25-000088 | Jul 1, 2025 | Jun 30, 2025 |
| 8-K | FORM 8-K | 0000350894-25-000078 | Jun 5, 2025 | — |
| 8-K | FORM 8-K | 0000350894-25-000076 | May 28, 2025 | — |
| 8-K | FORM 8-K | 0000350894-25-000065 | Apr 23, 2025 | — |
| 8-K | FORM 8-K | 0000350894-25-000040 | Mar 18, 2025 | — |
| 8-K | FORM 8-K | 0000350894-25-000032 | Feb 27, 2025 | — |
| 8-K | FORM 8-K | 0000350894-25-000030 | Feb 25, 2025 | — |
| 8-K | FORM 8-K | 0000350894-25-000016 | Jan 29, 2025 | — |
| 8-K | FORM 8-K | 0000350894-25-000007 | Jan 14, 2025 | — |
| 8-K | FORM 8-K | 0000350894-24-000153 | Dec 12, 2024 | — |
| 8-K | FORM 8-K | 0000350894-24-000150 | Dec 11, 2024 | Dec 10, 2024 |
| 8-K | FORM 8-K | 0000350894-24-000127 | Oct 23, 2024 | Oct 22, 2024 |
| 8-K | FORM 8-K | 0000350894-24-000115 | Aug 30, 2024 | — |
| 8-K | FORM 8-K | 0000350894-24-000099 | Jul 24, 2024 | — |
| 8-K | FORM 8-K | 0000350894-24-000090 | May 30, 2024 | May 29, 2024 |
| 8-K | FORM 8-K | 0000350894-24-000078 | Apr 24, 2024 | — |
| 8-K | FORM 8-K | 0000350894-24-000076 | Apr 23, 2024 | — |
| 8-K | FORM 8-K | 0000350894-24-000037 | Mar 1, 2024 | Feb 29, 2024 |
| 8-K | FORM 8-K | 0000350894-24-000026 | Feb 21, 2024 | — |
| 8-K | FORM 8-K | 0000350894-24-000009 | Feb 5, 2024 | Jan 16, 2024 |
| 8-K | FORM 8-K | 0000350894-24-000006 | Feb 1, 2024 | — |
| 8-K | FORM 8-K | 0000350894-24-000004 | Jan 31, 2024 | — |
| 8-K | FORM 8-K | 0000350894-23-000110 | Dec 22, 2023 | Dec 19, 2023 |
| 8-K | FORM 8-K | 0000350894-23-000108 | Dec 21, 2023 | — |
| 8-K | FORM 8-K | 0000350894-23-000106 | Dec 18, 2023 | Dec 15, 2023 |
| 8-K | FORM 8-K | 0000350894-23-000088 | Oct 26, 2023 | — |
| 8-K | FORM 8-K | 0000350894-23-000083 | Oct 25, 2023 | Oct 24, 2023 |
| 8-K | FORM 8-K | 0000350894-23-000086 | Oct 25, 2023 | — |
| 8-K | FORM 8-K | 0000350894-23-000076 | Jul 31, 2023 | Jul 26, 2023 |
| 8-K | FORM 8-K | 0000350894-23-000069 | Jul 26, 2023 | — |
| 8-K | FORM 8-K | 0000350894-23-000066 | Jul 14, 2023 | Jul 13, 2023 |
| 8-K | FORM 8-K | 0000350894-23-000058 | Jun 1, 2023 | May 31, 2023 |
| 8-K | FORM 8-K | 0000350894-23-000052 | Apr 20, 2023 | — |
| 8-K | FORM 8-K | 0000350894-23-000033 | Apr 18, 2023 | Apr 17, 2023 |
| 8-K | FORM 8-K | 0000350894-23-000022 | Apr 6, 2023 | Mar 31, 2023 |
| 8-K | FORM 8-K | 0000350894-23-000002 | Jan 25, 2023 | — |
| 8-K | FORM 8-K | 0000350894-22-000054 | Dec 5, 2022 | — |
| 8-K | FORM 8-K | 0000350894-22-000048 | Oct 27, 2022 | Oct 25, 2022 |