# EDGAR Filing Document

**Accession Number:** 0001693577
**File Stem:** 9999999995-26-001943
**Filing Date:** 2026-6
**Character Count:** 1271
**Document Hash:** c33b7d7117c145ea3537ce86311b19f5
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**9999999995-26-001943.hdr.sgml**: 20260611

**ACCESSION NUMBER**: 9999999995-26-001943

**CONFORMED SUBMISSION TYPE**: EFFECT

**PUBLIC DOCUMENT COUNT**: 1

**FILED AS OF DATE**: 20260610

**DATE AS OF CHANGE**: 20260611

**EFFECTIVENESS DATE**: 20260610

**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** MainStreet Bancshares, Inc.
- **CENTRAL INDEX KEY:** 0001693577
- **STANDARD INDUSTRIAL CLASSIFICATION:** STATE COMMERCIAL BANKS [6022]
- **ORGANIZATION NAME:** 02 Finance
- **EIN:** 812871064
- **STATE OF INCORPORATION:** VA
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** EFFECT
- **SEC ACT:** 1933 Act
- **SEC FILE NUMBER:** 333-295929
- **FILM NUMBER:** 261081327

**BUSINESS ADDRESS:**
- **STREET 1:** 10089 FAIRFAX BOULEVARD
- **CITY:** FAIRFAX
- **STATE:** VA
- **ZIP:** 22030
- **BUSINESS PHONE:** (703) 481-4567

**MAIL ADDRESS:**
- **STREET 1:** 10089 FAIRFAX BOULEVARD
- **CITY:** FAIRFAX
- **STATE:** VA
- **ZIP:** 22030

### UNITED STATES
### SECURITIES AND EXCHANGE COMMISSION
**Washington, D.C. 20549**

## Notice of Effectiveness

**Date:** June 10, 2026

**Time:** 16:00:00

**Form Type:** S-3

---

**CIK:** 0001693577

**Company Name:** MainStreet Bancshares, Inc.

**File Number:** 333-295929