---
schema_version: "secwatch.filing_event.v1"
accession: "0001437749-24-032187"
form_type: "8-K"
ticker: "MNSB"
cik: "0001693577"
company_name: "MainStreet Bancshares, Inc."
filed_at: "2024-10-28T23:59:59+00:00"
generated_at: "2026-05-30T09:44:07.624462+00:00"
event_type: "earnings"
sentiment: "negative"
materiality_score: 0.65
calibrated_materiality_score: 0.65
confidence: "high"
source: SEC EDGAR
---

# MainStreet Bancshares Q3 EPS -$0.04; core deposits rise $33M, Avenu BaaS launched

## Summary
- Net loss per common share -$0.04; YTD EPS $0.60.
- Net interest margin impacted by $984K reversal on nonaccrual loans; Q3 NIM 3.05%.
- $1.9M charge-offs and $1M provision expense; YTD principal losses ~0.1% of loans.
- Core deposits grew $33M to $1.47B (78% of total deposits); $233M noncore deposits can reprice.
- Avenu BaaS platform launched; first fintech client expected early Nov, four more to follow.

## SEC filing metadata
- accession: 0001437749-24-032187
- form_type: 8-K
- ticker: MNSB
- cik: 0001693577
- company_name: MainStreet Bancshares, Inc.
- filed_at: 2024-10-28T23:59:59+00:00
- event_type: earnings
- sentiment: negative
- materiality_score: 0.65
- calibrated_materiality_score: 0.65
- confidence: high
- sec_items: 2.02, 7.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1693577/000143774924032187/0001437749-24-032187-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1693577/000143774924032187/main20240814_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001437749-24-032187
- JSON: https://secwatch.observer/filing/0001437749-24-032187.json
- Plain text: https://secwatch.observer/filing/0001437749-24-032187.txt

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