MNSB at a glance
MainStreet Bancshares, Inc. (MNSB, SEC CIK 1693577) filed its latest 10-K annual report on March 13, 2026, a 10-Q quarterly report on August 7, 2026, an 8-K current report on August 21, 2026 and Form 4 insider filings as recently as October 2, 2026. SignalX summarizes each filing with AI and tracks the company's insider trades and institutional holders.
- For the fiscal year ended December 31, 2025 (FY2025), MainStreet Bancshares, Inc. (MNSB) reported revenue of $2.2 million (up 9.4% from FY2024) and net income of $15.6 million. Diluted EPS was $1.76.
- As of June 30, 2026, 19 institutional investment managers tracked by SignalX reported holding MainStreet Bancshares, Inc. (MNSB) shares worth $31.2 million in 13F-HR filings.
- The most recent insider open-market sale reported on Form 4 was by Vari Richard Alexander on June 4, 2026 of 4,500 shares at $23.20 per share.
Source: SEC EDGAR (XBRL financial data, 13F-HR and Form 4 filings).
- Revenue · FY2025
- $2.2M
- +9.4% vs prior year
- Insiders · 90 days
- 0 buys · 0 sells
- No open-market trades
- 13F holders
- 19 funds
- $31.2M · +1 vs prior quarter
- Latest 8-K
- Aug 21, 2026
- Item 8.01
AI 10-Q Quarterly Report Analysis
Latest 10-Q, quarter ended Jun 30, 2026
Management Discussion & Analysis
- Net income $4.7M, up $0.1M from $4.6M YoY
- Net interest margin 3.53% vs 3.75% YoY; net interest income $18.3M vs $18.9M
- Loan interest income $30.7M vs $32.4M; average loan balance $1.92B vs $1.82B
- Loan originations $108.5M, up $57.6M YoY; no charge-offs and $14,000 recoveries
- Credit-loss provision $0.6M vs $0.5M recovery; management cited potential additional provisions as risks emerge
Risk Factors
- No material risk-factor changes disclosed; 10-Q references December 31, 2025 Form 10-K
- Forward-looking-statements disclosures identified as the quarter’s supplemental risk discussion
- New $10.0 million stock-repurchase program subject to regulatory requirements and Rule 10b-18 compliance
- Repurchased 207,000 shares at $24.09 average during April 2026
AI summary of the MNSB 10-Q filed . Generated from the filing text; verify against the original.View on SEC EDGAR10-K vs 10-Q vs 8-K
AI 8-K Current Report Analysis
The most recent material events, by 8-K item
Item 8.01: Other Events
- Filing contains only standard incorporation-by-reference and signature language
- CFO Richard A. Vari signed the report on August 21, 2026
Item 8.01: Other Events
- Filing signed July 21, 2026 by Richard A. Vari, Chief Financial Officer
Item 7.01: Regulation FD Disclosure
- Investor presentation released July 20, 2026 covering second-quarter financial results
- Exhibit 99.2 provides management’s analysis and may contain additional performance metrics
Item 2.02: Results of Operations and Financial Condition
- Second-quarter 2026 unaudited financial results released July 20, 2026
- Detailed results available in Exhibit 99.1 and on MainStreet Bancshares’ website
AI summaries of MNSB 8-K current reports filed with the SEC. What 8-K item codes mean
SignalX for MNSB
Don't miss the next MNSB filing
- Alerts as it files. A push when MNSB files an 8-K or an insider trades.
- Fund moves. Which tracked funds opened, added or cut MNSB, by share count.
- Ask anything. An AI agent that reads every MNSB filing and answers with sources.
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Recent Insider Transactions (Form 4)
Latest reported trades by officers, directors and 10% owners
| Insider | Type | Date | Shares | Price |
|---|---|---|---|---|
| Hall Wendy Adeler | A | Oct 1, 2026 | 849 | $24.74 |
| Higgins Joan Morgan | A | Oct 1, 2026 | 971 | $24.74 |
| GREEN DARRELL | A | Jul 1, 2026 | 851 | $24.69 |
| DeLeon Rafael E | A | Jul 1, 2026 | 753 | $24.69 |
| Hall Wendy Adeler | A | Jul 1, 2026 | 973 | $24.69 |
| Higgins Joan Morgan | A | Jul 1, 2026 | 973 | $24.69 |
| Vari Richard Alexander | Sell | Jun 4, 2026 | 4,500 | $23.20 |
| RUST PATSY I | A | Apr 3, 2026 | 534 | $22.48 |
Financial SummaryXBRL
| Metric | FY2023 | FY2024 | FY2025 |
|---|---|---|---|
| Profitability | |||
| Revenue | $2.1M | $2.0M | $2.2M |
| Gross Profit | $80.1M | $65.8M | $73.6M |
| Net Income | - | -$10.0M | $15.6M |
| Gross Margin | 3726.5% | 3297.9% | 3368.7% |
| Net Margin | - | -500.0% | 714.9% |
| Balance Sheet | |||
| Total Assets | - | $2.2B | $2.2B |
| Equity | $221.5M | $208.0M | $218.6M |
| ROE | - | -4.8% | 7.1% |
| Per Share | |||
| EPS | - | $-1.60 | $1.76 |
| Cash Flow | |||
| Operating CF | $31.6M | $14.7M | $14.8M |
| CapEx | - | $909K | $4.2M |
Source: XBRL data in MainStreet Bancshares, Inc. (MNSB)'s 10-K filings on SEC EDGAR, in USD. Compare across companies →
13F Fund Holdings: Quarterly Trend
Latest: Q2 2026Aggregate MNSB share value held by 13F filers tracked by SignalX, by quarter.
Quarterly totals table
| Quarter | Funds | Total value |
|---|---|---|
| Q2 2026 | 19 | $31.2M |
| Q1 2026 | 18 | $24.7M |
| Q4 2025 | 18 | $23.8M |
| Q3 2025 | 19 | $24.3M |
| Q2 2025 | 19 | $20.3M |
| Q1 2025 | 13 | $10.6M |
| Q4 2024 | 11 | $11.0M |
| Q3 2024 | 8 | $4.8M |
- BlackRock+56.4K (+16%)
- Dimensional Fund Advisors+38.4K (+23%)
- Citadel Advisors LLC+34.8K (+148%)
- State Street Corp+9.3K (+9%)
- Vanguard Portfolio Management LLC+3.2K (+8%)
- Vanguard Capital Management LLC−39.0K (-13%)
- Renaissance Technologies LLC−3.4K (-24%)
- Goldman Sachs Group−2.2K (-17%)
- Morgan Stanley−64 (-0%)
- AQR Capital Management+29.4K
- Two Sigma Investments+16.7K
- U.S. Bancorp−1.0K
Source: 13F-HR filings on SEC EDGAR (aggregated from 125 fund-quarter rows). Reflects only 13F filers tracked by SignalX, not the full institutional ownership universe. How 13F filings work
MNSB filing archive
AI analysis pages for each 10-K, 10-Q and 8-K
Latest 2026 SEC Filings: 10-K, 10-Q, 8-K & Form 4
| Form | Filing date | Period | Analysis | SEC |
|---|---|---|---|---|
| 4 | Oct 2, 2026 | - | - | - |
| 4 | Oct 2, 2026 | - | - | - |
| 8-K | Aug 21, 2026 | - | Analysis | - |
| 10-Q | Aug 7, 2026 | Jun 30, 2026 | Analysis | |
| SC 13G | Jul 29, 2026 | - | - | |
| 8-K | Jul 21, 2026 | - | Analysis | - |
| 8-K | Jul 20, 2026 | - | Analysis | - |
| 8-K | Jul 6, 2026 | - | Analysis | - |
| 4 | Jul 2, 2026 | - | - | - |
| 4 | Jul 2, 2026 | - | - | - |
| 4 | Jul 2, 2026 | - | - | - |
| 4 | Jul 2, 2026 | - | - | - |
| 4 | Jun 4, 2026 | - | - | |
| 8-K | May 26, 2026 | - | Analysis | |
| 8-K | May 22, 2026 | - | Analysis | |
| 10-Q | May 8, 2026 | Mar 31, 2026 | Analysis | |
| 8-K | Apr 24, 2026 | - | Analysis | - |
| 8-K | Apr 21, 2026 | - | Analysis | - |
| 8-K | Apr 20, 2026 | - | Analysis | - |
| 4 | Apr 17, 2026 | - | - | - |
| 4 | Apr 17, 2026 | - | - | - |
| 4 | Apr 17, 2026 | - | - | - |
| 4 | Apr 17, 2026 | - | - | - |
| 4 | Apr 17, 2026 | - | - | - |
| 8-K | Apr 13, 2026 | - | Analysis | - |
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MNSB SEC filings: frequently asked questions
Which institutions hold MNSB stock?
As of June 30, 2026, the largest MainStreet Bancshares, Inc. (MNSB) holders among the 13F filers tracked by SignalX were BlackRock ($10.0 million), Vanguard Capital Management LLC ($6.5 million), Dimensional Fund Advisors ($5.1 million), State Street Corp ($2.7 million), Citadel Advisors LLC ($1.4 million). 13F-HR reports are filed up to 45 days after each quarter ends.
What was MNSB's revenue in fiscal year 2025?
For the fiscal year ended December 31, 2025 (FY2025), MainStreet Bancshares, Inc. (MNSB) reported revenue of $2.2 million (up 9.4% from FY2024) and net income of $15.6 million. Diluted EPS was $1.76. The figures come from the XBRL data in the 10-K.
What did MNSB report in its latest 8-K?
MainStreet Bancshares, Inc. (MNSB) filed an 8-K on August 21, 2026 reporting Item 8.01 (Other Events). Filing contains only standard incorporation-by-reference and signature language.
What are the latest MNSB SEC filings?
MainStreet Bancshares, Inc. (MNSB) filed its latest 10-K annual report on March 13, 2026, a 10-Q quarterly report on August 7, 2026, an 8-K current report on August 21, 2026 and a Form 4 insider filing on October 2, 2026.
What is MNSB's SEC CIK number?
MainStreet Bancshares, Inc. (MNSB)'s SEC Central Index Key (CIK) is 1693577. EDGAR lists every MNSB filing under that number.
Ask anything about MNSB
The research agent reads MNSB's filings, financials, insider trades and 13F holders, then answers with sources.