---
schema_version: "secwatch.filing_event.v1"
accession: "0001437749-23-010371"
form_type: "8-K"
ticker: "MNSB"
cik: "0001693577"
company_name: "MainStreet Bancshares, Inc."
filed_at: "2023-04-17T23:59:59+00:00"
generated_at: "2026-06-17T01:24:35.447323+00:00"
event_type: "earnings"
sentiment: "positive"
materiality_score: 0.75
calibrated_materiality_score: 0.75
confidence: "high"
source: SEC EDGAR
---

# MainStreet Bancshares posts record Q1 net income of $8.2M, up 50% YoY; EPS $1.01

## Summary
- Net interest income $21.1M (+38.8% YoY); NIM expanded 76 bps to 4.69%.
- Loans grew 14.4% to $1.62B; deposits up 13.8% to $1.63B; zero nonperforming assets.
- ROAA 1.75%, ROAE 16.4%, tangible book value $22.22 per share.
- CECL adoption increased credit reserves 17.6% to $16.6M; AOCI at -3.7% of total capital.
- Avenu embedded-banking platform on track for April 30 launch; three clients signed.

## SEC filing metadata
- accession: 0001437749-23-010371
- form_type: 8-K
- ticker: MNSB
- cik: 0001693577
- company_name: MainStreet Bancshares, Inc.
- filed_at: 2023-04-17T23:59:59+00:00
- event_type: earnings
- sentiment: positive
- materiality_score: 0.75
- calibrated_materiality_score: 0.75
- confidence: high
- sec_items: 2.02, 7.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1693577/000143774923010371/0001437749-23-010371-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1693577/000143774923010371/main20230313_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001437749-23-010371
- JSON: https://secwatch.observer/filing/0001437749-23-010371.json
- Plain text: https://secwatch.observer/filing/0001437749-23-010371.txt

## Key facts
- Earnings Releases
  MainStreet Bancshares, Inc. reported the quarter-ended March 31, 2023 results: revenue $21.1 million, net income $8.2 million, EPS $1.01 EPS.
  - Period: the quarter-ended March 31, 2023
  - Revenue: $21.1 million
  - Net income: $8.2 million
  - EPS: $1.01 EPS
  - Result: reported results
  source text: then in the U.K. While in the U.K., Mr. Dick was an adviser to the Bank of England on modernizing their approach to risk-based banking supervision. Net interest income reached $21.1 million in the quarter ended March 31, 2023, up 38.8% from the year-earlier first quarter’s $15.2 million. MainStreet Bank benefited from having an asset-sensitive balance sheet during a
  evidence_url: https://www.sec.gov/Archives/edgar/data/1693577/000143774923010371/0001437749-23-010371-index.htm

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