---
schema_version: "secwatch.filing_event.v1"
accession: "0001193125-26-201540"
form_type: "8-K"
ticker: "TCBX"
cik: "0001781730"
company_name: "Third Coast Bancshares, Inc."
filed_at: "2026-05-01T23:59:59+00:00"
generated_at: "2026-05-15T00:20:59.920935+00:00"
event_type: "debt"
sentiment: "neutral"
materiality_score: 0.55
calibrated_materiality_score: 0.55
confidence: "high"
source: SEC EDGAR
---

# Third Coast Bancshares extends loan maturity to 2028, ups commitment to $70M

## Summary
- Maturity date extended from March 10, 2026 to March 10, 2028.
- Maximum loan commitment increased from $55M to $70M.
- Outstanding borrowings of $54.875M; collateral remains 100% of Third Coast Bank stock.

## SEC filing metadata
- accession: 0001193125-26-201540
- form_type: 8-K
- ticker: TCBX
- cik: 0001781730
- company_name: Third Coast Bancshares, Inc.
- filed_at: 2026-05-01T23:59:59+00:00
- event_type: debt
- sentiment: neutral
- materiality_score: 0.55
- calibrated_materiality_score: 0.55
- confidence: high
- sec_items: 1.01, 2.03, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1781730/000119312526201540/0001193125-26-201540-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1781730/000119312526201540/tcbx-20260310.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001193125-26-201540
- JSON: https://secwatch.observer/filing/0001193125-26-201540.json
- Plain text: https://secwatch.observer/filing/0001193125-26-201540.txt

## Source-grounded claims
- claim_id: edb395c6812157ebb0d2d1f11a5a6143d8f54130
  claim: Third Coast Bancshares, Inc. amended loan of $70,000,000 maximum commitment, with $54,875,000 outstanding borrowings as of March 10, 2026 with American National Bank & Trust at Not provided maturing March 10, 2028.
  evidence_excerpt: Effective March 10, 2026 (the “Effective Date”), Third Coast Bancshares, Inc. (the “Company”) entered into a Renewal, Extension and Modification of Loan (the “Amendment”) of the Loan Agreement, dated March 10, 2021, by and between the Company and American National Bank & Trust (the “Loan Agreement”).
  evidence_url: https://www.sec.gov/Archives/edgar/data/1781730/000119312526201540/0001193125-26-201540-index.htm
- claim_id: 42138b04165b69d57d69e1f9deee332ef3792202
  claim: Third Coast Bancshares, Inc. amended Renewal, Extension and Modification of Loan with American National Bank & Trust valued at $70,000,000 (effective 2026-03-10).
  evidence_excerpt: Third Coast Bancshares, Inc. (the “Company”) entered into a Renewal, Extension and Modification of Loan (the “Amendment”) of the Loan Agreement, dated March 10, 2021, by and between the Company and American National Bank & Trust (the “Loan Agreement”).
  evidence_url: https://www.sec.gov/Archives/edgar/data/1781730/000119312526201540/0001193125-26-201540-index.htm

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