# SEI Investments Co: Form 8-K, filed Dec 17, 2025

- Company: [SEI Investments Co](/companies/seic.md) (CIK 350894)
- Form: 8-K
- Filed: 2025-12-17
- Accepted by EDGAR: Dec 17, 2025, 08:32 ET
- Period: 2025-12-12
- Accession: 0000350894-25-000126
- Inline XBRL: yes
- Main document: https://www.sec.gov/Archives/edgar/data/350894/000035089425000126/seic-20251212.htm
- All documents and exhibits: https://www.sec.gov/Archives/edgar/data/350894/000035089425000126/

## Items reported

- Item 5.02: Departure or appointment of officers or directors
- Item 8.01: Other events
- Item 9.01: Financial statements and exhibits

## Sections

Sections are extracted only from 10-K and 10-Q reports. Read this filing’s documents on sec.gov. https://www.sec.gov/Archives/edgar/data/350894/000035089425000126/seic-20251212.htm

Filed Dec 17, 2025.
Source: SEC EDGAR, the filing index for accession 0000350894-25-000126. Last ingested by Listed: Nov 5, 2026, 13:30 ET. No prices; not investment advice.