SEIC - CIK 0000350894
SEI INVESTMENTS CO has filed 1,942 documents with the SEC between 1995 and 2026. The most frequent type is insider trade (1,197 filings), alongside the regular cadence of annual reports, quarterly reports, and event disclosures every public company must make. Use the filters to focus on one filing type, or flip the sort to trace the company's history from its earliest paperwork.
Data parsed from SEC EDGAR XBRL filings. See the full market cap rankings.
| Filing | Type | Filed | Period covered |
|---|---|---|---|
| Insider trade | 4 | 2023-06-22 | 2023-06-20 |
| Employee plan annual report | 11-K | 2023-06-22 | 2022-12-31 |
| Insider sale notice | 144 | 2023-06-20 | - |
| Annual insider summary | 5 | 2023-06-15 | 2022-12-31 |
| 3/A | - | 2023-06-15 | 2023-03-11 |
| Insider sale notice | 144 | 2023-06-14 | - |
| Major company event | 8-K | 2023-06-01 | 2023-05-31 |
| Institutional holdings | 13F-HR | 2023-05-12 | 2023-03-31 |
| Quarterly report | 10-Q | 2023-04-24 | 2023-03-31 |
| Major company event | 8-K | 2023-04-20 | 2023-04-20 |
| Annual report to shareholders | ARS | 2023-04-20 | 2022-12-31 |
| Proxy statement | DEF 14A | 2023-04-20 | - |
| Major company event | 8-K | 2023-04-18 | 2023-04-17 |
| Insider trade | 4 | 2023-04-11 | 2023-04-04 |
| New insider ownership | 3 | 2023-04-06 | 2023-03-31 |
| Major company event | 8-K | 2023-04-06 | 2023-03-31 |
| Insider trade (amended) | 4/A | 2023-04-05 | 2023-02-02 |
| 3/A | - | 2023-04-05 | 2023-01-24 |
| Insider trade | 4 | 2023-03-29 | 2023-03-29 |
| Insider trade | 4 | 2023-03-29 | 2023-03-27 |
| Insider trade | 4 | 2023-03-27 | 2023-03-23 |
| Insider trade | 4 | 2023-03-06 | 2022-04-19 |
| New insider ownership | 3 | 2023-03-06 | 2022-04-19 |
| Insider trade | 4 | 2023-02-28 | 2022-12-05 |
| Insider trade | 4 | 2023-02-28 | 2022-12-05 |
| Insider trade | 4 | 2023-02-28 | 2022-12-05 |
| Insider trade | 4 | 2023-02-28 | 2022-12-05 |
| Insider trade | 4 | 2023-02-28 | 2022-12-05 |
| Insider trade | 4 | 2023-02-28 | 2022-12-05 |
| Annual report (amended) | 10-K/A | 2023-02-24 | 2022-12-31 |
| Insider trade | 4 | 2023-02-22 | 2022-12-05 |
| Annual report | 10-K | 2023-02-21 | 2022-12-31 |
| Insider trade | 4 | 2023-02-15 | 2022-12-05 |
| New insider ownership | 3 | 2023-02-14 | 2023-01-24 |
| Passive ownership stake (update) | SC 13G/A | 2023-02-13 | - |
| Institutional holdings | 13F-HR | 2023-02-10 | 2022-12-31 |
| Insider trade | 4 | 2023-02-10 | 2023-02-02 |
| New insider ownership | 3 | 2023-02-10 | 2023-01-24 |
| Passive ownership stake (update) | SC 13G/A | 2023-02-10 | - |
| Insider trade | 4 | 2023-02-09 | 2023-02-09 |
| Passive ownership stake (update) | SC 13G/A | 2023-02-09 | - |
| Insider trade | 4 | 2023-02-08 | 2023-02-06 |
| Passive ownership stake (update) | SC 13G/A | 2023-02-03 | - |
| Major company event | 8-K | 2023-01-25 | 2023-01-25 |
| Insider trade | 4 | 2023-01-04 | 2022-12-28 |
| Insider trade | 4 | 2023-01-04 | 2022-12-16 |
| Insider trade | 4 | 2023-01-04 | 2022-12-23 |
| Insider trade | 4 | 2023-01-04 | 2022-12-28 |
| Insider trade | 4 | 2022-12-22 | 2022-12-21 |
| Insider trade | 4 | 2022-12-20 | 2022-12-16 |