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JMSB · John Marshall Bancorp, Inc.
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JMSB John Marshall Bancorp (JMSB) Insider Trading, Ownership & Congress Trades

Banks · State commercial banks · CIK 0001710482
Cluster · 3 insiders
House members buying, 1 year
0
STOCK Act, US House only, disclosed up to 45 days after the trade
Funds added, last quarter
61
13F, latest reported quarter

What the filings say about JMSB

Insiders, 180 days
+$109.2K net bought
3 buyers

John Marshall Bancorp insider trades (Form 4)

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

Over the last 180 days, John Marshall Bancorp, Inc. insiders bought a net $109.2K of stock across 337 Form 4 purchases and sales, with 3 insiders buying. Source: SEC Form 4 filings, as of 2026-10-27.

Insider
Filed
Shares
Value
Since filing
BUY
2026-08-28 SECtraded 2026-08-26
1,119
$25.6K
+3.5%
Context
  • 89 earlier Form 4 trades (code P or S) here by this insider (88 buys, 1 sale), the last on Jun 3, 2026.
  • +11.8% median (+9.4% mean) 90-day return after 30 previous buys.
  • The trade is 0.3% of the 330,001 shares held after it.
  • 1 other insider bought within 30 days.
  • 61 funds added in the 13F quarter to Jun 30, 2026.
Insider activity: Director Kinney Jonathan Craig bought about $25.6K of JMSB on Aug 26, 2026, the largest insider purchase at the company since 2025; 1 other insider bought within 30 days and 61 funds added in the latest 13F quarter.
BUY
2026-08-28 SECtraded 2026-08-26
1,238
$28.4K
+3.5%
Context
  • 89 earlier Form 4 trades (code P or S) here by this insider (88 buys, 1 sale), the last on Jun 3, 2026.
  • +11.8% median (+9.4% mean) 90-day return after 30 previous buys.
  • The trade is 0.4% of the 279,926 shares held after it.
  • 1 other insider bought within 30 days.
  • 61 funds added in the 13F quarter to Jun 30, 2026.
Insider activity: Director Kinney Jonathan Craig bought about $28.4K of JMSB on Aug 26, 2026, the largest insider purchase at the company since 2025; 1 other insider bought within 30 days and 61 funds added in the latest 13F quarter.
Director
BUY
2026-08-28 SECtraded 2026-08-26
133
$3.1K
+3.5%
Context
  • 35 earlier Form 4 trades (code P or S) here by this insider (35 sales), the last on Nov 10, 2022.
  • The trade is 0.4% of the 32,408 shares held after it.
  • 1 other insider bought within 30 days.
  • 61 funds added in the 13F quarter to Jun 30, 2026.
Insider activity: Director Chase Philip bought about $3.1K of JMSB on Aug 26, 2026; 1 other insider bought within 30 days and 61 funds added in the latest 13F quarter.
BUY
2026-06-05 SECtraded 2026-06-03
179
$3.8K
+10.0%
Context
  • 131 earlier Form 4 trades (code P or S) here by this insider (2 buys, 129 sales), the last on Jul 15, 2025.
  • -8.5% median (-8.5% mean) 90-day return after 2 previous buys.
  • The trade is 0.2% of the 94,981 shares held after it.
  • 1 other insider bought within 30 days.
  • 61 funds added in the 13F quarter to Jun 30, 2026.
Insider activity: Director Mahan Oscar Leland bought about $3.8K of JMSB on Jun 3, 2026; 1 other insider bought within 30 days and 61 funds added in the latest 13F quarter.
BUY
2026-06-05 SECtraded 2026-06-03
1,208
$25.4K
+10.0%
Context
  • 87 earlier Form 4 trades (code P or S) here by this insider (86 buys, 1 sale), the last on Dec 5, 2025.
  • +12.1% median (+9.6% mean) 90-day return after 30 previous buys.
  • The trade is 0.4% of the 278,688 shares held after it.
  • 1 other insider bought within 30 days.
  • 61 funds added in the 13F quarter to Jun 30, 2026.
Insider activity: Director Kinney Jonathan Craig bought about $25.4K of JMSB on Jun 3, 2026; 1 other insider bought within 30 days and 61 funds added in the latest 13F quarter.
337 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 332 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 +$109.2K over 180 days
+$57.1K over 90 days
more than 84% of Banks
Congress
no House purchase disclosed in the last 12 months
Funds
61 funds bought in last quarter
below 72% of Banks
Revenue
no revenue reported in any filing
Margin
no margin: no revenue reported
Buybacks
$2.0M repurchased, FY to 2026-06-30
below 66% of Banks
Short interest
2.9% of the float short (float per yahoo 2026-10-26) · 5.2 days to cover · settled 2026-09-30
below 53% of Banks
What changed in the last 30 days
Nothing new filed in the last 30 days

Watch JMSB

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.
+19.6%12M
-7%+2%+11%+20%2025-102025-122026-022026-042026-062026-082026-10 2026-08-26 · Kinney Jonathan Craig bought $28.4K2026-08-26 · Kinney Jonathan Craig bought $25.6K2026-06-03 · Kinney Jonathan Craig bought $25.4K2026-06-03 · Kinney Jonathan Craig bought $23.0K2025-12-02 · Kinney Jonathan Craig bought $17.4K2025-12-05 · Kinney Jonathan Craig bought $9.8K2025-11-06 · Kinney Jonathan Craig bought $9.4K2025-10-31 · Kinney Jonathan Craig bought $9.4K2025-11-05 · Kinney Jonathan Craig bought $9.4K2025-12-02 · Kinney Jonathan Craig bought $8.6K2025-11-04 · Kinney Jonathan Craig bought $7.6K2025-11-05 · Kinney Jonathan Craig bought $5.6K2026-06-03 · Mahan Oscar Leland bought $3.8K2026-08-26 · Chase Philip bought $3.1K
Insider buy
Indexed to 100, dividend-adjusted, not a price chart. When a name files heavily, the largest trades are drawn first.

Who owns JMSB: institutional holders (13F)

13F holdings, latest reported quarter
984,411 sh
$21.5M

Congress trades in JMSB

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.

JMSB planned insider sales (Form 144)

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

JMSB mutual fund holders (N-PORT)

Funds ranked by the share of their own portfolio in this stock (N-PORT).
T. Rowe Price Small-Cap Value Fund, Inc.
$26.3M position · as of 2026-06-30
0.2%
First Trust NASDAQ ABA Community Bank Index Fund
$108.4K position · as of 2026-06-30
0.1%
iShares Micro-Cap ETF
$950.3K position · as of 2026-06-30
0.1%
Small Company Value Portfolio
$11.1K position · as of 2026-06-30
0.0%
1290 VT Micro Cap Portfolio
$63.5K position · as of 2026-06-30
0.0%
Goldman Sachs Small Cap Value Insights Fund
$342.6K position · as of 2026-07-31
0.0%
SEC N-PORT, monthly, about 60 days late · funds ≥ $10M · % is the share of the fund's own portfolio
Live price
Daily candles from TradingView, under their licence. No filings marked.
Why this name is on the desk
3 insiders reported buying shares.
The record shows a net $109.2K bought by insiders over 180 days, 61 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

JMSB financials

Ratios from the company's XBRL filings, latest filings
Revenue, TTM
n/a
fewer than four consecutive quarters of revenue filed
Net margin, TTM
n/a
needs four consecutive quarters of both revenue and net income
Free cash flow, TTM
$21.6M
operating cash flow minus capex, 2025-07-01 to 2026-06-30
Debt to equity
0.58x
long-term 2026-06-30 plus current 2024-06-30 (24 months older than the period end); equity 2026-06-30
Cash flow to debt
0.14x
TTM operating cash flow over long-term 2026-06-30 plus current 2024-06-30 (24 months older than the period end)
Return on equity
+9.3%
TTM net income over average of 2025-06-30 and 2026-06-30
Return on assets
+1.0%
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
13.66x
close 2026-10-23 over four quarters of diluted EPS, 2025-07-01 to 2026-06-30
Enterprise value
$332.5M
market value at close 2026-10-23 on 2026-07-30 shares, plus long-term 2026-06-30 plus current 2024-06-30 (24 months older than the period end), minus cash 2026-06-30
FCF yield
+6.5%
TTM free cash flow over market value at close 2026-10-23
PEG, trailing
0.45x
P/E over trailing EPS growth of 30%: four quarters to 2026-06-30 against the four to 2025-06-30
Price as of 2026-10-23. 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
Net income$21.2M$17.1M$5.2M$31.8M
EPS (diluted)1.491.200.362.25
Operating cash flow$22.6M$17.3M$18.0M$33.2M
Cash$130.0M$122.5M$99.0M$61.6M
Long-term debt$80.9M$80.8M$24.7M$24.6M
Buybacks$2.4M$49.0Kn/an/a
Dividends paid$4.3M$3.6M$3.1M$2.8M
SEC XBRL, fiscal years, as known on 2026-10-27

JMSB Stock Sonar score 5/7 axes

Find similar shapesCompare

JMSB ranks highest on insider conviction (82nd percentile) and risk and compliance (67th), and lowest on financial health (22nd), among Banks peers.

ProfitHealthInsidersInstitutionsRisk
Profitability
42
Inputs
  • Return on equity+9.3% · 39 pct, sector of 327
  • Return on assets+1.0% · 45 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
Financial health
22
Inputs
  • Debt to equity0.58x · 26 pct, sector of 229
  • Cash flow to debt0.14x · 18 pct, sector of 198
Insider conviction
82
Inputs
  • Net Form 4 buying (codes P and S), 180d$109K · 84 pct, sector of 274
  • Insider buyers, 180d3 · 80 pct, sector of 274
Institutional and government
28
Inputs
  • Funds adding, latest quarter61 · 28 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
67
Inputs
  • Short interest, % of float+2.9% · 54 pct, sector of 378
  • 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+4.6% · 80 pct, sector of 127
2 not measured: Growth, US patents
  • Growth needs 1 of 2 inputs, 0 present: no backlog line filed, or no year-earlier backlog; no revenue for this year and the year before
  • 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

JMSB filings, in plain words

Are John Marshall Bancorp insiders buying or selling JMSB?

In the 180 days to 2026-10-27, John Marshall Bancorp insiders were net buyers, a net $109.2K across purchases and sales reported on Form 4, by 3 buyers.

Read the full summary

In the 180 days to 2026-10-27, John Marshall Bancorp insiders were net buyers of JMSB, a net $109.2K across purchases and sales reported on Form 4 by 3 buyers. 2 different insiders reported purchases within the last 90 days, a cluster buy, which is rarer than a single purchase. Each figure is counted from SEC and House filings as of 2026-10-27, dated the day the filing was made public.

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