---
schema_version: "secwatch.filing_event.v1"
accession: "0000350894-24-000037"
form_type: "8-K"
ticker: "SEIC"
cik: "0000350894"
company_name: "SEI INVESTMENTS CO"
filed_at: "2024-03-01T23:59:59+00:00"
generated_at: "2026-06-05T05:50:05.401917+00:00"
event_type: "leadership"
sentiment: "neutral"
materiality_score: 0.6
calibrated_materiality_score: 0.6
confidence: "high"
source: SEC EDGAR
---

# SEI CFO McGonigle to retire Apr 30; consulting deal $25k/mo; new CFO Denham starts Mar 18

## Summary
- Dennis McGonigle's employment ends April 30, 2024; he becomes consultant May 1 for $25k/month.
- Sean Denham to join March 18 as CFO, effective upon Q1 10-Q filing.
- Consulting term one year with auto-renew; McGonigle gets healthcare, pro-rated 2024 incentive.
- Outstanding equity continues vesting; non-compete and client non-solicit restrictions apply.
- McGonigle to assist with CFO transition and serve on subsidiary/fund boards as agreed.

## SEC filing metadata
- accession: 0000350894-24-000037
- form_type: 8-K
- ticker: SEIC
- cik: 0000350894
- company_name: SEI INVESTMENTS CO
- filed_at: 2024-03-01T23:59:59+00:00
- event_type: leadership
- sentiment: neutral
- materiality_score: 0.6
- calibrated_materiality_score: 0.6
- confidence: high
- sec_items: 5.02, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/350894/000035089424000037/0000350894-24-000037-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/350894/000035089424000037/seic-20240229.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0000350894-24-000037
- JSON: https://secwatch.observer/filing/0000350894-24-000037.json
- Plain text: https://secwatch.observer/filing/0000350894-24-000037.txt

## Key facts
- Executive change
  Sean Denham was appointed as Chief Financial Officer at SEI INVESTMENTS CO.
  - Action: appointed
  - Role: Chief Financial Officer
  source text: to begin employment with the Company on March 18, 2024 and serve as the Company’s Chief Financial Officer effective on or about April 30, 2024
  evidence_url: https://www.sec.gov/Archives/edgar/data/350894/000035089424000037/0000350894-24-000037-index.htm
- Executive change
  Dennis McGonigle resigned as Chief Financial Officer at SEI INVESTMENTS CO.
  - Action: resigned
  - Role: Chief Financial Officer
  source text: Mr. McGonigle’s employment with the Company will end on April 30, 2024.
  evidence_url: https://www.sec.gov/Archives/edgar/data/350894/000035089424000037/0000350894-24-000037-index.htm

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