---
schema_version: "secwatch.filing_event.v1"
accession: "0000950170-25-098943"
form_type: "8-K"
ticker: "TRMK"
cik: "0000036146"
company_name: "TRUSTMARK CORP"
filed_at: "2025-07-28T23:59:59+00:00"
generated_at: "2026-05-18T00:36:27.983010+00:00"
event_type: "regulatory"
sentiment: "neutral"
materiality_score: 0.5
calibrated_materiality_score: 0.5
confidence: "high"
source: SEC EDGAR
---

# Trustmark National Bank receives Fed membership approval; state charter conversion still pending

## Summary
- Federal Reserve Board approved TNB's application for Federal Reserve System membership on July 24, 2025.
- Membership approval is tied to TNB's pending application to convert from national bank to Mississippi-chartered bank.
- Conversion application remains under review by the Mississippi Department of Banking and Consumer Finance.
- TNB continues as a national banking association supervised by the OCC until conversion is completed.

## SEC filing metadata
- accession: 0000950170-25-098943
- form_type: 8-K
- ticker: TRMK
- cik: 0000036146
- company_name: TRUSTMARK CORP
- filed_at: 2025-07-28T23:59:59+00:00
- event_type: regulatory
- sentiment: neutral
- materiality_score: 0.5
- calibrated_materiality_score: 0.5
- confidence: high
- sec_items: 7.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/36146/000095017025098943/0000950170-25-098943-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/36146/000095017025098943/trmk-20250724.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0000950170-25-098943
- JSON: https://secwatch.observer/filing/0000950170-25-098943.json
- Plain text: https://secwatch.observer/filing/0000950170-25-098943.txt

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