---
schema_version: "secwatch.filing_event.v1"
accession: "0000350894-24-000009"
form_type: "8-K"
ticker: "SEIC"
cik: "0000350894"
company_name: "SEI INVESTMENTS CO"
filed_at: "2024-02-05T23:59:59+00:00"
generated_at: "2026-06-06T09:26:40.648599+00:00"
event_type: "leadership"
sentiment: "neutral"
materiality_score: 0.7
calibrated_materiality_score: 0.7
confidence: "high"
source: SEC EDGAR
---

# SEI Investments names Sean Denham as CFO, succeeding Dennis McGonigle upon his retirement

## Summary
- Sean Denham (51) to join SEI on March 18, 2024; appointment effective after McGonigle's resignation following Q1 2024 10-Q filing.
- Base salary of $750K and target annual bonus of $1.7M (guaranteed for 2024, prorated).
- Sign-on equity: 45,000 RSUs vesting over 3 years and 22,500 options with adjusted EPS performance gates ($5.25 and $7.10).
- Denham was a Grant Thornton partner for ~20 years; experience in audit, advisory, and M&A.
- Severance includes 1x base + 1x target bonus paid over 12 months, full vest of RSUs, and option extension.

## SEC filing metadata
- accession: 0000350894-24-000009
- form_type: 8-K
- ticker: SEIC
- cik: 0000350894
- company_name: SEI INVESTMENTS CO
- filed_at: 2024-02-05T23:59:59+00:00
- event_type: leadership
- sentiment: neutral
- materiality_score: 0.7
- calibrated_materiality_score: 0.7
- confidence: high
- sec_items: 5.02, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/350894/000035089424000009/0000350894-24-000009-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/350894/000035089424000009/seic-20240116.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0000350894-24-000009
- JSON: https://secwatch.observer/filing/0000350894-24-000009.json
- Plain text: https://secwatch.observer/filing/0000350894-24-000009.txt

## Key facts
- Executive change
  Dennis McGonigle resigned as Chief Financial Officer at SEI INVESTMENTS CO.
  - Action: resigned
  - Role: Chief Financial Officer
  source text: On January 16, 2024, SEI Investments Company (the “Company”) entered into an agreement with Sean Denham, 51, to begin employment with the Company on March 18, 2024 and serve as the Company’s Chief Financial Officer effective upon the date following the current Chief Financial Officer Dennis McGonigle’s resignation in connection with his previously announced retirement.
  evidence_url: https://www.sec.gov/Archives/edgar/data/350894/000035089424000009/0000350894-24-000009-index.htm
- Executive change
  Sean Denham was appointed as Chief Financial Officer at SEI INVESTMENTS CO.
  - Action: appointed
  - Role: Chief Financial Officer
  source text: On January 16, 2024, SEI Investments Company (the “Company”) entered into an agreement with Sean Denham, 51, to begin employment with the Company on March 18, 2024 and serve as the Company’s Chief Financial Officer effective upon the date following the current Chief Financial Officer Dennis McGonigle’s resignation in connection with his previously announced retirement.
  evidence_url: https://www.sec.gov/Archives/edgar/data/350894/000035089424000009/0000350894-24-000009-index.htm

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