---
schema_version: "secwatch.filing_event.v1"
accession: "0000093751-23-000696"
form_type: "8-K"
ticker: "STT"
cik: "0000093751"
company_name: "STATE STREET CORP"
filed_at: "2023-10-30T23:59:59+00:00"
generated_at: "2026-06-09T06:33:31.014063+00:00"
event_type: "leadership"
sentiment: "neutral"
materiality_score: 0.6
calibrated_materiality_score: 0.6
confidence: "high"
source: SEC EDGAR
---

# State Street President & COO Louis Maiuri to retire; O'Hanley becomes President, Tahiri named COO

## Summary
- Louis D. Maiuri steps down as President, COO, and Head of Investment Services effective Dec 31, 2023; retires early 2024.
- Ronald P. O'Hanley (Chairman & CEO) assumes additional role of President on Jan 1, 2024.
- Moulay Mostapha Tahiri promoted to COO effective Jan 1, 2024; previously EVP & head of Asia Pacific and MENA.
- Deferred compensation awards deemed satisfied if Maiuri remains employee through Dec 31, 2023.

## SEC filing metadata
- accession: 0000093751-23-000696
- form_type: 8-K
- ticker: STT
- cik: 0000093751
- company_name: STATE STREET CORP
- filed_at: 2023-10-30T23:59:59+00:00
- event_type: leadership
- sentiment: neutral
- materiality_score: 0.6
- calibrated_materiality_score: 0.6
- confidence: high
- sec_items: 5.02
- EDGAR index: https://www.sec.gov/Archives/edgar/data/93751/000009375123000696/0000093751-23-000696-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/93751/000009375123000696/stt-20231026.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0000093751-23-000696
- JSON: https://secwatch.observer/filing/0000093751-23-000696.json
- Plain text: https://secwatch.observer/filing/0000093751-23-000696.txt

## Key facts
- Executive change
  Moulay Mostapha Tahiri changed role as Chief Operating Officer at STATE STREET CORP.
  - Action: promoted
  - Role: Chief Operating Officer
  source text: On January 1, 2024, Ronald P. O’Hanley will assume the office of president (in addition to his current positions as chairman and chief executive officer) and Moulay Mostapha Tahiri will assume the role of chief operating officer.
  evidence_url: https://www.sec.gov/Archives/edgar/data/93751/000009375123000696/0000093751-23-000696-index.htm
- Executive change
  Louis D. Maiuri departed as President, Chief Operating Officer and Head of Investment Services at STATE STREET CORP.
  - Action: retire
  - Role: President, Chief Operating Officer and Head of Investment Services
  source text: On October 26, 2023, Louis D. Maiuri informed State Street Corporation (“State Street”) of his intention to step down from his roles as State Street’s president, chief operating officer and head of Investment Services at the end of this year.
  evidence_url: https://www.sec.gov/Archives/edgar/data/93751/000009375123000696/0000093751-23-000696-index.htm
- Executive change
  Ronald P. O'Hanley changed role as President at STATE STREET CORP.
  - Action: assumed
  - Role: President
  source text: On January 1, 2024, Ronald P. O’Hanley will assume the office of president (in addition to his current positions as chairman and chief executive officer) and Moulay Mostapha Tahiri will assume the role of chief operating officer.
  evidence_url: https://www.sec.gov/Archives/edgar/data/93751/000009375123000696/0000093751-23-000696-index.htm

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