Company profile
John Marshall Bancorp, Inc. Insider Trading
JMSBEvery SEC Form 4 insider trading filing for John Marshall Bancorp, Inc. (JMSB) since April 2023 — open-market buys and sells by directors and officers, option exercises, and cluster activity, updated as each filing is reported to the SEC. Why 2023?
- Exchange
- Nasdaq
- Sector
- State Commercial Banks
- CIK
- 0001710482
- Filings
- 105
- Insiders
- 12
- Last filing
- 2026-08-26
Activity summary
Recent insider activity is bullish. Over the last 30 days, 3 insiders purchased shares (net $57K). Buying was led by Jonathan Craig Kinney.
Three year balance
Buy and sell value by quarter, Q4 23 to Q3 26. John Marshall Bancorp, Inc. insiders are net buyers across the period shown.
Bars below the rule are sales, above are purchases. Largest quarter on the chart is $699K.
90 day insight
Over the last 90 days, John Marshall Bancorp, Inc. insiders bought $57K across 3 transactions with no open-market sales.
- Most active insider: Jonathan Craig Kinney with 2 transactions totaling $54K.
- Largest single purchase: $28K by Jonathan Craig Kinney on Aug 26, 2026.
Activity skews bullish — buys outpace sales.
Insider Transactions
Sourced from SEC EDGAR Form 4 filings. Updated hourly.
| Date | Insider | Company | Type | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Aug 26, 2026 | Jonathan Craig Kinney | JMSB | Purchase | 1,119 | $22.92 | $26K |
| Aug 26, 2026 | Jonathan Craig Kinney | JMSB | Purchase | 1,238 | $22.92 | $28K |
| Aug 26, 2026 | Philip Chase | JMSB | Purchase | 133 | $22.96 | $3K |
| Jun 17, 2026 | Christopher W Bergstrom | JMSB | Gift | 32,720 | — | — |
| Jun 17, 2026 | Christopher W Bergstrom | JMSB | Gift | 32,720 | — | — |
45 more transactions hidden
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-H "X-Api-Key: $KEY"Top insiders
By total value filed.
Institutional Ownership
Top 13F-HR holders of John Marshall Bancorp, Inc. as of 2026-06-30
Data source: quarterly 13F-HR filings — institutional holders report positions within 45 days of quarter end. Joined with insider activity above — see who's loading up institutionally while insiders are trading. Full 13F-HR API →