John Marshall Bancorp (JMSB) stock: insider trades, news & valuation
Financials · Net buyingShare price and insider trades
John Marshall Bancorp insider trading at a glance (Oct 9, 2026): in the past 12 months, 1 insider bought $120K and 0 sold $0 of JMSB stock on the open market; P/E 13.2 vs. a sector median of 12.2.
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JMSB insider buying and selling by quarter
Open-market purchases (green, above the line) and sales (red, below), by trade date.
| Quarter | Bought | Purchases | Sold | Sales |
|---|---|---|---|---|
| Q4 2026 | — | 0 | — | 0 |
| Q3 2026 | $57K | 3 | — | 0 |
| Q2 2026 | $52K | 3 | — | 0 |
| Q1 2026 | — | 0 | — | 0 |
| Q4 2025 | $77K | 8 | — | 0 |
Valuation, profit and volume
Pick score 60/100Summary
Over the past 12 months, 1 John Marshall Bancorp, Inc. insider reported open-market purchases totaling $120K, while 0 insiders reported sales totaling $0. Among insiders with enough purchase history to measure, Jonathan Craig Kinney (Director) has the highest Insider Score at 53.
JMSB stock news and SEC filings
Recent 8-K filings and headlines. Tone is scored from the headline wording; “Policy” marks regulatory, trade or government topics.
Insider transactions
Open-market purchases and sales.
| Filed | Insider | Type | Shares | Price | Value | Since | Score |
|---|---|---|---|---|---|---|---|
| Aug 28SEC | Jonathan Craig KinneyDirector | Buy | 1,238279,926 held (+0%) | $22.92 | $28K | -0.5% | 53 |
| Aug 28SEC | Jonathan Craig KinneyDirector | Buy | 1,119330,001 held (+0%) | $22.92 | $26K | -0.5% | 53 |
| Aug 28SEC | Philip ChaseDirector | Buy | 13332,408 held (+0%) | $22.96 | $3K | -0.7% | — |
| Jun 5SEC | Jonathan Craig KinneyDirector | Buy | 1,208278,688 held (+0%) | $21.03 | $25K | +8.4% | 53 |
| Jun 5SEC | Jonathan Craig KinneyDirector | Buy | 1,092328,882 held (+0%) | $21.03 | $23K | +8.4% | 53 |
| Jun 5SEC | Oscar Leland MahanDirector | Buy | 17994,981 held (+0%) | $21.03 | $4K | +8.4% | — |
| Dec 8SEC | Jonathan Craig KinneyDirector | Buy | 500325,652 held (+0%) | $19.63 | $10K | +16.1% | 53 |
| Dec 4SEC | Jonathan Craig KinneyDirector | Buy | 900324,707 held (+0%) | $19.30 | $17K | +18.1% | 53 |
| Dec 4SEC | Jonathan Craig KinneyDirector | Buy | 445325,152 held (+0%) | $19.40 | $9K | +17.5% | 53 |
| Nov 10SEC | Jonathan Craig KinneyDirector | Buy | 500323,807 held (+0%) | $18.90 | $9K | +20.6% | 53 |
| Nov 6SEC | Jonathan Craig KinneyDirector | Buy | 500323,307 held (+0%) | $18.71 | $9K | +21.9% | 53 |
| Nov 6SEC | Jonathan Craig KinneyDirector | Buy | 400322,507 held (+0%) | $18.95 | $8K | +20.3% | 53 |
| Nov 6SEC | Jonathan Craig KinneyDirector | Buy | 300322,807 held (+0%) | $18.70 | $6K | +21.9% | 53 |
| Nov 3SEC | Jonathan Craig KinneyDirector | Buy | 500322,107 held (+0%) | $18.85 | $9K | +21.0% | 53 |
Insiders at John Marshall Bancorp, Inc.
| Insider | Bought | Sold | Last filing | Score |
|---|---|---|---|---|
| Jonathan Craig KinneyDirector | $180K | — | Aug 28, 2026 | 53 |
| Oscar Leland MahanDirector | $4K | — | Jun 5, 2026 | — |
| Philip ChaseDirector | $3K | — | Aug 28, 2026 | — |
Insider activity at other Financials companies
Same sector, ranked by insider buying in the last 90 days.
JMSB stock: common questions
Are John Marshall Bancorp, Inc. insiders buying JMSB stock?
In the past 12 months, 1 insiders reported open-market purchases of JMSB worth $120K. The latest was Director Jonathan Craig Kinney bought $28K of JMSB at $22.92 — largest purchase by this insider in our records.
Are John Marshall Bancorp, Inc. insiders selling JMSB stock?
0 insiders reported sales worth $0 over the same period.
Where does this data come from?
Every transaction comes from Form 4 filings that insiders must submit to the SEC within two business days of a trade. We pull them from SEC EDGAR every night.
What is JMSB's P/E ratio?
JMSB trades at about 13.2 times trailing earnings, compared with a median of 12.2 for the Financials sector.
What is JMSB's 52-week range?
Over the past year JMSB has traded between $18.33 and $23.77. It last closed at $22.80 on Oct 9, 2026.