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MNSB · Mainstreet Bancshares, Inc.
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MNSB MainStreet Bancshares (MNSB) Insider Trading, Ownership & Congress Trades

Banks · State commercial banks · CIK 0001693577
SEC filings
Insider buyers, 180 days
0
House members buying, 1 year
0
STOCK Act, US House only, disclosed up to 45 days after the trade
Funds added, last quarter
60
13F, latest reported quarter

What the filings say about MNSB

Insiders, 180 days
-$104.4K net sold
1 seller · 0% of sales under a 10b5-1 plan

MainStreet Bancshares insider trades (Form 4)

Form 4 buys and sells (codes P and S). Grants, option exercises and conversions excluded.

Over the last 180 days, MainStreet Bancshares, Inc. insiders sold a net $104.4K of stock across 111 Form 4 purchases and sales, with no insider buying. Source: SEC Form 4 filings, as of 2026-10-28.

Insider
Filed
Shares
Value
Since filing
Chief Financial Officer
SELL
2026-06-04 SEC
4,500
$104.4K
-10.7%
Context
  • 2 earlier Form 4 trades (code P or S) here by this insider (2 buys), the last on Apr 24, 2024.
  • +18.6% median (+18.6% mean) 90-day return after 2 previous buys.
  • The trade is 13.2% of the 34,036 shares held after it.
  • No other insider sold within 30 days.
  • 60 funds added in the 13F quarter to Jun 30, 2026.
Insider activity: Chief Financial Officer Vari Richard Alexander sold about $104.4K of MNSB on Jun 4, 2026; 60 funds added in the latest 13F quarter.
BUY
2026-02-13 SECtraded 2025-12-31
22
$416
-4.9%
Context
  • 33 earlier Form 4 trades (code P or S) here by this insider (33 buys), the last on Dec 11, 2024.
  • -14.1% median (-9.3% mean) 90-day return after 14 previous buys.
  • The trade is 0.4% of the 5,100 shares held after it.
  • No other insider bought within 30 days.
  • 60 funds added in the 13F quarter to Jun 30, 2026.
Insider activity: Director ECHLOV RUSSELL bought about $416 of MNSB on Dec 31, 2025; 60 funds added in the latest 13F quarter.
CFO, MainStreet Bancshares Inc
SELL
2025-12-10 SECtraded 2025-12-09
5,452
$109.3K
+4.0%
Context
  • 8 earlier Form 4 trades (code P or S) here by this insider (4 buys, 4 sales), the last on Dec 8, 2025.
  • +5.2% median (+10.2% mean) 90-day return after 3 previous buys.
  • The trade is 8.6% of the 63,761 shares held after it.
  • No other insider sold within 30 days.
  • 60 funds added in the 13F quarter to Jun 30, 2026.
Insider activity: CFO, MainStreet Bancshares Inc CHMELIK THOMAS J sold about $109.3K of MNSB on Dec 9, 2025; 60 funds added in the latest 13F quarter.
CFO, MainStreet Bancshares Inc
SELL
2025-12-10 SECtraded 2025-12-09
1,786
$36.1K
+4.0%
Context
  • 8 earlier Form 4 trades (code P or S) here by this insider (4 buys, 4 sales), the last on Dec 8, 2025.
  • +5.2% median (+10.2% mean) 90-day return after 3 previous buys.
  • The trade is 2.6% of the 69,213 shares held after it.
  • No other insider sold within 30 days.
  • 60 funds added in the 13F quarter to Jun 30, 2026.
Insider activity: CFO, MainStreet Bancshares Inc CHMELIK THOMAS J sold about $36.1K of MNSB on Dec 9, 2025; 60 funds added in the latest 13F quarter.
CFO, MainStreet Bancshares Inc
SELL
2025-12-08 SEC
11,343
$224.0K
+7.1%
Context
  • 6 earlier Form 4 trades (code P or S) here by this insider (4 buys, 2 sales), the last on Dec 3, 2025.
  • +5.2% median (+10.2% mean) 90-day return after 3 previous buys.
  • The trade is 16.0% of the 70,999 shares held after it.
  • No other insider sold within 30 days.
  • 60 funds added in the 13F quarter to Jun 30, 2026.
Insider activity: CFO, MainStreet Bancshares Inc CHMELIK THOMAS J sold about $224.0K of MNSB on Dec 8, 2025, the largest insider sale at the company on our record; 60 funds added in the latest 13F quarter.
111 transactions on record
Since filing: total return from the first close after the filing to the latest close, dividend-adjusted. Not a forecast.
Context lines are counts over the filings above and returns from our own price history, never a price level. Not investment advice.
Showing the latest few. to see 106 more transactions and use the screener and CSV export. We store only your email; there is no password.
Seven facts, ranked against the sector · Rank is not a forecast
Insiders
net -$104.4K over 180 days
more than 58% of Banks
Congress
no House purchase disclosed in the last 12 months
Funds
60 funds bought in last quarter
below 73% of Banks
Revenue
+9.4% year over year
more than 66% of Banks
Margin
714.9% net margin
more than 87% of Banks
Buybacks
$11.1M repurchased, FY to 2026-06-30
more than 57% of Banks
Short interest
3.4% of the float short (float per yahoo 2026-10-27) · 6.8 days to cover · settled 2026-10-15
below 54% of Banks
What changed in the last 30 days
Nothing new filed in the last 30 days

Watch MNSB

A free account keeps a watchlist and can send one email a day when insiders, funds or Congress file on the names in it. No password and no card.

The year, with the filings on it
Total return over 12 months. Each marker is a filing; hover or tap one for the detail.
+15.9%12M
-3%+11%+26%+40%2025-102025-122026-022026-042026-062026-082026-10 2025-12-08 · CHMELIK THOMAS J sold $245.9K2025-12-08 · CHMELIK THOMAS J sold $224.0K2025-12-03 · CHMELIK THOMAS J sold $173.2K2025-12-09 · CHMELIK THOMAS J sold $109.3K2026-06-04 · Vari Richard Alexander sold $104.4K2025-12-09 · CHMELIK THOMAS J sold $36.1K2025-12-03 · CHMELIK THOMAS J sold $20.5K2025-11-24 · Brockett Charles C. bought $7.6K2025-11-24 · Brockett Charles C. bought $3.8K2025-11-24 · Brockett Charles C. bought $2.3K2025-11-24 · DICK JEFF W bought $2.0K2025-12-31 · ECHLOV RUSSELL bought $4162025-11-24 · Brockett Charles C. bought $360
Insider buyInsider sell
Indexed to 100, dividend-adjusted, not a price chart. When a name files heavily, the largest trades are drawn first.

Who owns MNSB: institutional holders (13F)

13F holdings, latest reported quarter
$13.5M
404,037 sh
$10.0M
$9.3M

Congress trades in MNSB

No Congress trades reported
No House member has disclosed a trade in this stock. See what Congress is buying.

Activist and 5% holders (13D/13G)

No 5%+ ownership filings
Nobody has filed for crossing 5%. That is a fact, not missing data.

MNSB planned insider sales (Form 144)

No planned-sale notices
No insider has filed to sell. Watch this after a run-up.

MNSB mutual fund holders (N-PORT)

Funds ranked by the share of their own portfolio in this stock (N-PORT).
AUER GROWTH
$366.2K position · as of 2026-05-31
0.5%
Royce Quant Small-Cap Quality Value ETF
$81.6K position · as of 2026-06-30
0.3%
Ultra-Small Company Fund
$222.2K position · as of 2026-06-30
0.2%
EA Bridgeway Omni Small-Cap Value ETF
$917.8K position · as of 2026-06-30
0.0%
Omni Small-Cap Value Fund
$503.2K position · as of 2026-06-30
0.0%
iShares Micro-Cap ETF
$547.8K position · as of 2026-06-30
0.0%
SEC N-PORT, monthly, about 60 days late · funds ≥ $10M · % is the share of the fund's own portfolio
Executive pay vs shareholder return
CEO pay, headline and as actually paid, against the company's return and its chosen peers' (DEF 14A).
FY
CEO total
Actually paid
Other execs, avg
TSR
Peer TSR
2025
$1.3M
$1.3M
$490.2K
-21%
n/a
2024
$742.0K
$530.7K
$502.1K
-23%
n/a
2023
$1.6M
$1.5M
$679.7K
+4%
n/a
Tagged by the company under SEC Item 402(v). Returns are cumulative from the start of the disclosure period. Green where the company beat its own peer group.
Live price
Daily candles from TradingView, under their licence. No filings marked.
Why this name is on the desk
The complete filing record, in one place.
The record shows a net $104.4K sold by insiders over 180 days, 60 funds added last quarter. Each figure is a federal filing, dated the day it went public.
Same sector, ranked by filing activity
Sector by SEC SIC code

MNSB financials

Revenue growth
+9.4%
XBRL, annual
Net margin
714.9%
Ratios from the company's XBRL filings, latest filings
Revenue, TTM
$67.5M
four quarters, 2025-07-01 to 2026-06-30
Net margin, TTM
+25.7%
net income over revenue, 2025-07-01 to 2026-06-30
Free cash flow, TTM
$23.2M
operating cash flow minus capex, 2025-07-01 to 2026-06-30
Debt to equity
n/a
no debt line filed
Cash flow to debt
n/a
no debt line filed
Return on equity
+8.1%
TTM net income over average of 2025-06-30 and 2026-06-30
Return on assets
+0.8%
TTM net income over average of 2025-06-30 and 2026-06-30
Return on invested capital
n/a
fewer than four consecutive quarters of operating income
Return on capital employed
n/a
fewer than four consecutive quarters of operating income
P/E, trailing
10.35x
close 2026-10-26 over four quarters of diluted EPS, 2025-07-01 to 2026-06-30
Enterprise value
n/a
no debt line filed
FCF yield
+15.4%
TTM free cash flow over market value at close 2026-10-26
PEG, trailing
n/a
prior-year trailing EPS was a loss, growth undefined
Price as of 2026-10-26. Hover or tap a tile for its yearly and quarterly history.
Method
TTM is four consecutive fiscal quarters; Q4 is the year minus nine months when not filed. Returns use the average of opening and closing balances. EBIT is approximated by operating income. PEG uses trailing EPS growth.
Fundamentals
Annual figures from XBRL filings. Pick a past date to see them as known then.
2025-122024-122023-122022-12
Revenue$135.6M$137.9M$127.8M$88.7M
Gross profit$73.6M$65.8M$80.1M$75.3M
Net income$15.6M-$12.1M$24.4M$26.7M
EPS (diluted)1.76-1.603.253.26
Operating cash flow$14.8M$14.7M$31.6M$33.5M
Buybacks$4.3M$732.0K$43.0K$6.9M
Dividends paid$3.0M$3.0M$3.0M$1.9M
SEC XBRL, fiscal years, as known on 2026-10-28

MNSB Stock Sonar score 5/7 axes

Find similar shapesCompare

MNSB ranks highest on growth (66th percentile) and risk and compliance (63rd), and lowest on institutional and government (27th), among Banks peers.

ProfitGrowthInsidersInstitutionsRisk
Profitability
29
Inputs
  • Return on equity+8.1% · 31 pct, sector of 327
  • Return on assets+0.8% · 26 pct, sector of 334
  • Return on invested capitalfewer than four consecutive quarters of operating income
  • Return on capital employedfewer than four consecutive quarters of operating income
Growth
66
Inputs
  • Revenue growth, YoY+9.4% · 66 pct, sector of 151
  • Backlog growth, YoYno backlog line filed, or no year-earlier backlog
Insider conviction
29
Inputs
  • Net Form 4 buying (codes P and S), 180d-$104K · 58 pct, sector of 273
  • Insider buyers, 180d0 · 0 pct, sector of 273
Institutional and government
27
Inputs
  • Funds adding, latest quarter60 · 27 pct, sector of 257
  • Congress net buyers, 365dno Congress trades in 365 days
  • Federal contracts, 180dno federal contracts in 180 days
  • Lobbying spend, 4 quartersno lobbying filings in the last four quarters
Risk and compliance
63
Inputs
  • Short interest, % of float+3.4% · 48 pct, sector of 374
  • Recalls per $1B revenue, 3yrevenue under $50M or not filed, so a count cannot be scaled to size
  • EPA cases per $1B revenue, 5yrevenue under $50M or not filed, so a count cannot be scaled to size
  • New text in Risk Factors, latest 10-K+5.5% · 78 pct, sector of 127
2 not measured: Financial health, US patents
  • Financial health needs 1 of 2 inputs, 0 present: no debt line filed
  • US patents needs 1 of 2 inputs, 0 present: patent data not loaded yet

5 of 7 axes scored. Each is a percentile against sector peers (all companies when the sector is thin); higher is better. An unscored axis is unmeasured, not low. How it is scored

MNSB filings, in plain words

Are MainStreet Bancshares insiders buying or selling MNSB?

In the 180 days to 2026-10-28, MainStreet Bancshares insiders were net sellers, a net $104.4K across purchases and sales reported on Form 4, by 1 seller.

Read the full summary

In the 180 days to 2026-10-28, MainStreet Bancshares insiders were net sellers of MNSB, a net $104.4K across purchases and sales reported on Form 4 by 1 seller. Each figure is counted from SEC and House filings as of 2026-10-28, dated the day the filing was made public.

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