---
schema_version: "secwatch.filing_event.v1"
accession: "0000350894-25-000030"
form_type: "8-K"
ticker: "SEIC"
cik: "0000350894"
company_name: "SEI INVESTMENTS CO"
filed_at: "2025-02-25T23:59:59+00:00"
generated_at: "2026-05-26T05:09:21.413232+00:00"
event_type: "leadership"
sentiment: "neutral"
materiality_score: 0.4
calibrated_materiality_score: 0.4
confidence: "high"
source: SEC EDGAR
---

# SEI Investments expands CFO Sean J. Denham's role to include COO duties

## Summary
- Sean J. Denham appointed Chief Financial and Chief Operating Officer effective Feb 25, 2025.
- He retains CFO responsibilities and adds oversight of IT, operations, and human resources.
- Role expansion supports SEI's strategy for growth; no successor named for prior COO role.

## SEC filing metadata
- accession: 0000350894-25-000030
- form_type: 8-K
- ticker: SEIC
- cik: 0000350894
- company_name: SEI INVESTMENTS CO
- filed_at: 2025-02-25T23:59:59+00:00
- event_type: leadership
- sentiment: neutral
- materiality_score: 0.4
- calibrated_materiality_score: 0.4
- confidence: high
- sec_items: 5.02, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/350894/000035089425000030/0000350894-25-000030-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/350894/000035089425000030/seic-20250225.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0000350894-25-000030
- JSON: https://secwatch.observer/filing/0000350894-25-000030.json
- Plain text: https://secwatch.observer/filing/0000350894-25-000030.txt

This AI-assisted summary is a reading aid. Review the linked SEC EDGAR filing before relying on any specific claim.