---
schema_version: "secwatch.filing_event.v1"
accession: "0000950103-23-000346"
form_type: "8-K"
ticker: "AIG"
cik: "0000005272"
company_name: "AMERICAN INTERNATIONAL GROUP, INC."
filed_at: "2023-01-10T23:59:59+00:00"
generated_at: "2026-06-20T17:20:01.929512+00:00"
event_type: "leadership"
sentiment: "neutral"
materiality_score: 0.55
calibrated_materiality_score: 0.55
confidence: "high"
source: SEC EDGAR
---

# AIG CFO Shane Fitzsimons takes temporary medical leave; Mark Lyons named Interim CFO

## Summary
- CFO Shane Fitzsimons is taking a temporary medical leave of absence, effective immediately on January 10, 2023.
- Mark D. Lyons, EVP, Global Chief Actuary and Head of Portfolio Management, appointed Interim CFO in addition to his current duties.
- Lyons previously served as AIG CFO and Treasurer from December 2018 through December 2021, providing continuity.
- Lyons will serve until Fitzsimons returns; no timeline for Fitzsimons' return was disclosed.

## SEC filing metadata
- accession: 0000950103-23-000346
- form_type: 8-K
- ticker: AIG
- cik: 0000005272
- company_name: AMERICAN INTERNATIONAL GROUP, INC.
- filed_at: 2023-01-10T23:59:59+00:00
- event_type: leadership
- sentiment: neutral
- materiality_score: 0.55
- calibrated_materiality_score: 0.55
- confidence: high
- sec_items: 5.02, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/5272/000095010323000346/0000950103-23-000346-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/5272/000095010323000346/dp186881_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0000950103-23-000346
- JSON: https://secwatch.observer/filing/0000950103-23-000346.json
- Plain text: https://secwatch.observer/filing/0000950103-23-000346.txt

## Key facts
- Executive change
  Mark D. Lyons was appointed as Interim Chief Financial Officer at AMERICAN INTERNATIONAL GROUP, INC..
  - Action: appointed
  - Role: Interim Chief Financial Officer
  source text: The Company has appointed Mark D. Lyons, Executive Vice President, Global Chief Actuary and Head of Portfolio Management, to serve as Interim Chief Financial Officer of the Company until Mr. Fitzsimons’ return, in addition to his current duties.
  evidence_url: https://www.sec.gov/Archives/edgar/data/5272/000095010323000346/0000950103-23-000346-index.htm
- Executive change
  Shane Fitzsimons changed role as Executive Vice President and Chief Financial Officer at AMERICAN INTERNATIONAL GROUP, INC..
  - Action: taking a temporary medical leave of absence
  - Role: Executive Vice President and Chief Financial Officer
  source text: Effective January 10, 2023, Shane Fitzsimons, Executive Vice President and Chief Financial Officer of American International Group, Inc. (the “Company” or “AIG”), is taking a temporary medical leave of absence.
  evidence_url: https://www.sec.gov/Archives/edgar/data/5272/000095010323000346/0000950103-23-000346-index.htm

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