---
schema_version: "secwatch.filing_event.v1"
accession: "0000950170-25-101649"
form_type: "8-K"
ticker: "TRMK"
cik: "0000036146"
company_name: "TRUSTMARK CORP"
filed_at: "2025-08-04T23:59:59+00:00"
generated_at: "2026-05-17T21:38:31.168559+00:00"
event_type: "regulatory"
sentiment: "neutral"
materiality_score: 0.3
calibrated_materiality_score: 0.3
confidence: "high"
source: SEC EDGAR
---

# Trustmark National Bank converts to Mississippi state charter, renamed Trustmark Bank

## Summary
- On Aug 4, 2025, Trustmark National Bank converted from a national banking association to a Mississippi-chartered bank, renamed Trustmark Bank.
- Received regulatory approvals from the Federal Reserve and Mississippi Department of Banking and Consumer Finance.
- Bank remains a Federal Reserve member, supervised by Fed Atlanta and the state department.
- No change to customer deposits, day-to-day experience, or FDIC insurance coverage.

## SEC filing metadata
- accession: 0000950170-25-101649
- form_type: 8-K
- ticker: TRMK
- cik: 0000036146
- company_name: TRUSTMARK CORP
- filed_at: 2025-08-04T23:59:59+00:00
- event_type: regulatory
- sentiment: neutral
- materiality_score: 0.3
- calibrated_materiality_score: 0.3
- confidence: high
- sec_items: 7.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/36146/000095017025101649/0000950170-25-101649-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/36146/000095017025101649/trmk-20250804.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0000950170-25-101649
- JSON: https://secwatch.observer/filing/0000950170-25-101649.json
- Plain text: https://secwatch.observer/filing/0000950170-25-101649.txt

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