---
schema_version: "secwatch.filing_event.v1"
accession: "0001437749-23-028716"
form_type: "8-K"
ticker: "MNSB"
cik: "0001693577"
company_name: "MainStreet Bancshares, Inc."
filed_at: "2023-10-23T23:59:59+00:00"
generated_at: "2026-06-09T16:51:54.299078+00:00"
event_type: "earnings"
sentiment: "positive"
materiality_score: 0.7
calibrated_materiality_score: 0.7
confidence: "high"
source: SEC EDGAR
---

# MainStreet Bancshares Q3 net income $6.3M in line; nine-month earnings +12.3% YoY

## Summary
- Q3 net income $6.3M; YTD EPS $2.64; cumulative net income $21.4M, up 12.3% from 2022.
- Annualized returns (nine months): ROAE 13.80%, ROAA 1.50%, NIM 4.28%, efficiency ratio 55.06%.
- Tangible book value per common share $23.00; ACL 1.01%; core deposit ratio 68%; FDIC insured deposits 76%.
- Avenu SaaS solution identified first client: SafariPay via PaySii, expected avg balances of $4M.
- Liquidity Coverage Ratio 164%; balance sheet positioned for stable/declining rate environment.

## SEC filing metadata
- accession: 0001437749-23-028716
- form_type: 8-K
- ticker: MNSB
- cik: 0001693577
- company_name: MainStreet Bancshares, Inc.
- filed_at: 2023-10-23T23:59:59+00:00
- event_type: earnings
- sentiment: positive
- materiality_score: 0.7
- calibrated_materiality_score: 0.7
- confidence: high
- sec_items: 2.02, 7.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1693577/000143774923028716/0001437749-23-028716-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1693577/000143774923028716/main20230817_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001437749-23-028716
- JSON: https://secwatch.observer/filing/0001437749-23-028716.json
- Plain text: https://secwatch.observer/filing/0001437749-23-028716.txt

## Key facts
- Earnings Releases
  MainStreet Bancshares, Inc. reported third quarter and year-to-date ended September 30, 2023 results: net income $6.3 million.
  - Period: third quarter and year-to-date ended September 30, 2023
  - Net income: $6.3 million
  - Result: reported results
  source text: MainStreet Bancshares, Inc. (the "Company") issued a press release setting forth the Company's third quarter and year-to-date ended September 30, 2023, unaudited financial results.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1693577/000143774923028716/0001437749-23-028716-index.htm

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