---
schema_version: "secwatch.filing_event.v1"
accession: "0000719220-25-000060"
form_type: "8-K"
ticker: "STBA"
cik: "0000719220"
company_name: "S&T BANCORP INC"
filed_at: "2025-09-24T23:59:59+00:00"
generated_at: "2026-05-17T05:50:35.660808+00:00"
event_type: "leadership"
sentiment: "neutral"
materiality_score: 0.6
calibrated_materiality_score: 0.6
confidence: "high"
source: SEC EDGAR
---

# Chair Christine Toretti resigns to become ambassador; CEO McComish named Chair, Grube as Lead Independent Director

## Summary
- Christine Toretti resigns as Chair and director effective Sept 28, 2025, after confirmation as U.S. ambassador to Sweden.
- Board combines CEO and Chair roles; appoints CEO Christopher J. McComish as Chair effective Sept 28, 2025.
- New Lead Independent Director position created; Jeffrey D. Grube appointed, board member since 1997.
- Resignation not due to any disagreement with company operations, policies, or practices.

## SEC filing metadata
- accession: 0000719220-25-000060
- form_type: 8-K
- ticker: STBA
- cik: 0000719220
- company_name: S&T BANCORP INC
- filed_at: 2025-09-24T23:59:59+00:00
- event_type: leadership
- sentiment: neutral
- materiality_score: 0.6
- calibrated_materiality_score: 0.6
- confidence: high
- sec_items: 5.02, 7.01, 8.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/719220/000071922025000060/0000719220-25-000060-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/719220/000071922025000060/stba-20250922.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0000719220-25-000060
- JSON: https://secwatch.observer/filing/0000719220-25-000060.json
- Plain text: https://secwatch.observer/filing/0000719220-25-000060.txt

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