John Marshall Bancorp, Inc.
John Marshall Bancorp, Inc. (JMSB) Insider Trading
Form 4 buy vs sell counts, ratio, and sentiment — switch this quarter or last 12 months; chart and transactions below.
SEC EDGAR · FMP · JMSB · as of Jun 9, 2026
Activity summary
Buy transactions
49
P-Purchase only
Sell transactions
18
12 Months
Buy/Sell ratio
2.72
Buy/Sell (by trades)
Overall sentiment
John Marshall Bancorp, Inc. insiders have been net buyers of shares over the past 12 Months, which may signal confidence in the company's outlook.
▸ Source: SEC EDGAR · Form 3 & 4 · via Financial Modeling Prep · Buy = P-Purchase only · Sell = S-Sale only
As of Jun 9, 2026
JMSB insider buying and selling by quarter
JMSB insider selling · JMSB insider buying stocks · quarterly insider activity
Mobile shows last 4Q · Desktop shows full 8Q
▸ Source: SEC EDGAR · Form 3 & 4 · via Financial Modeling Prep · last 8 quarters
As of Jun 9, 2026
Active insiders
Most active in past 12 months · JMSB ceo insider trading
Showing all insiders · Click a card to filter the transactions table below
▸ Aggregated from reportingName · top 5 by trade count (12M) · no extra API
Recent insider transactions
JMSB executive sell shares · JMSB board member insider trading · JMSB insider trading SEC filing
Scroll horizontally to see all columns
| Date | Insider | Type | Shares | Value | Filing |
|---|---|---|---|---|---|
| Jun 3, 2026 | Mahan Oscar Leland Director | Purchase | 179 | $4K | Form 4 |
| Jun 3, 2026 | Kinney Jonathan Craig Director | Purchase | 1,092 | $23K | Form 4 |
| Jun 3, 2026 | Kinney Jonathan Craig Director | Purchase | 1,208 | $25K | Form 4 |
| Dec 19, 2025 | Bell Kelly Jo CHIEF OPERATING OFFICER | Other | 37 | $790 | Form 4 |
| Dec 16, 2025 | Foster Michael T Director | Award | 1,901 | — | Form 4 |
| Dec 16, 2025 | Kinney Jonathan Craig Director | Award | 2,138 | — | Form 4 |
| Dec 16, 2025 | Mahan Oscar Leland Director | Award | 1,901 | — | Form 4 |
| Dec 16, 2025 | Garg Subhash Director | Award | 1,901 | — | Form 4 |
| Dec 16, 2025 | GARCIA MICHAEL A Director | Award | 1,901 | — | Form 4 |
| Dec 16, 2025 | Allin Philip W Director | Award | 1,901 | — | Form 4 |
| Dec 16, 2025 | Chase Philip Director | Award | 1,901 | — | Form 4 |
| Dec 17, 2025 | Bell Kelly Jo CHIEF OPERATING OFFICER | Other | 28 | $598 | Form 4 |
| Dec 16, 2025 | Peden Andrew CHIEF BANKING OFFICER | Award | 2,376 | — | Form 4 |
| Dec 17, 2025 | Peden Andrew CHIEF BANKING OFFICER | Other | 194 | $4K | Form 4 |
| Dec 16, 2025 | Carstater Kent CHIEF FINANCIAL OFFICER | Award | 3,088 | — | Form 4 |
| Dec 16, 2025 | BERGSTROM CHRISTOPHER W CHIEF EXECUTIVE OFFICER · Director | Award | 9,502 | — | Form 4 |
| Dec 5, 2025 | Kinney Jonathan Craig Director | Purchase | 500 | $10K | Form 4 |
| Dec 2, 2025 | Kinney Jonathan Craig Director | Purchase | 445 | $9K | Form 4 |
| Dec 2, 2025 | Kinney Jonathan Craig Director | Purchase | 900 | $17K | Form 4 |
| Nov 6, 2025 | Kinney Jonathan Craig Director | Purchase | 500 | $9K | Form 4 |
| Nov 5, 2025 | Kinney Jonathan Craig Director | Purchase | 500 | $9K | Form 4 |
| Nov 5, 2025 | Kinney Jonathan Craig Director | Purchase | 300 | $6K | Form 4 |
| Nov 4, 2025 | Kinney Jonathan Craig Director | Purchase | 400 | $8K | Form 4 |
| Oct 31, 2025 | Kinney Jonathan Craig Director | Purchase | 500 | $9K | Form 4 |
| Jul 31, 2025 | Carstater Kent CHIEF FINANCIAL OFFICER | Purchase | 1,000 | $19K | Form 4 |
Bell Kelly Jo
CHIEF OPERATING OFFICER
Date
Dec 19
Shares
37
Price
$21.36
Value
$790
Bell Kelly Jo
CHIEF OPERATING OFFICER
Date
Dec 17
Shares
28
Price
$21.37
Value
$598
BERGSTROM CHRISTOPHER W
CHIEF EXECUTIVE OFFICER · Director
Date
Dec 16
Shares
9,502
Price
—
Value
—
Carstater Kent
CHIEF FINANCIAL OFFICER
Date
Jul 31
Shares
1,000
Price
$18.60
Value
$19K
⚡ = value ≥ $1M · Award/Option price shows — · formType=4 · securityName=Common Stock · url → sec.gov/Archives/edgar
▸ Source: SEC EDGAR · Form 4 filings · ⚡ = value ≥ $1M · Award/Option price shows —
About JMSB insider trading
JMSB insider trades
John Marshall Bancorp, Inc. (JMSB) insider trading data is sourced from SEC Form 4 filings submitted by corporate insiders, including Kinney Jonathan Craig (Director), Carstater Kent (CHIEF FINANCIAL OFFICER), GARCIA MICHAEL A (Director). Over the past 12 months, 5 insiders have filed transactions with the SEC. JMSB insiders have been primarily buying, which may reflect pre-scheduled Rule 10b5-1 plan executions.
For John Marshall Bancorp, Inc.'s institutional ownership breakdown and insider ownership percentage, see the Ownership tab → Ownership tab →
Frequently asked questions
JMSB insider trading · 5 questionsThe insiders of John Marshall Bancorp, Inc. (JMSB) include executives and directors such as Kinney Jonathan Craig (Director), Carstater Kent (CHIEF FINANCIAL OFFICER), GARCIA MICHAEL A (Director), among others. Over the past 12 months, 5 insiders have filed Form 4 transactions with the SEC. Insider transactions are required to be reported within 2 business days of the trade date.
▸ Source: FMP /stable/insider-trading/search · SEC EDGAR Form 3 & 4 · acquisitionOrDisposition A=Buy, D=Sell · RSU vesting (M-Exempt) excluded from sentiment bar · As of Jun 9, 2026