JMSB John Marshall Bancorp (JMSB) Insider Trading, Ownership & Congress Trades
What the filings say about JMSB
John Marshall Bancorp insider trades (Form 4)
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.
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.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.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.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.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.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.
Who owns JMSB: institutional holders (13F)
Congress trades in JMSB
Activist and 5% holders (13D/13G)
JMSB planned insider sales (Form 144)
JMSB mutual fund holders (N-PORT)
JMSB financials
| FY Dec 2025 | n/a |
| FY Dec 2024 | n/a |
| FY Dec 2023 | n/a |
| FY Dec 2022 | n/a |
| FY Dec 2021 | n/a |
| Jun 2026 | n/a |
| Mar 2026 | n/a |
| Dec 2025 | n/a |
| Sep 2025 | n/a |
| Jun 2025 | $4.0K |
| Mar 2025 | n/a |
| Dec 2024 | n/a |
| Sep 2024 | n/a |
| FY Dec 2025 | n/a |
| FY Dec 2024 | n/a |
| FY Dec 2023 | n/a |
| FY Dec 2022 | n/a |
| FY Dec 2021 | n/a |
| Jun 2026 | n/a |
| Mar 2026 | n/a |
| Dec 2025 | n/a |
| Sep 2025 | n/a |
| Jun 2025 | n/a |
| Mar 2025 | n/a |
| Dec 2024 | n/a |
| Sep 2024 | n/a |
| FY Dec 2025 | $22.0M |
| FY Dec 2024 | $16.8M |
| FY Dec 2023 | $17.4M |
| FY Dec 2022 | $33.0M |
| FY Dec 2021 | $32.0M |
| Jun 2026 | $5.0M |
| Mar 2026 | $8.5M |
| Dec 2025 | $6.9M |
| Sep 2025 | $1.2M |
| Jun 2025 | $7.4M |
| Mar 2025 | $6.6M |
| Dec 2024 | $5.2M |
| Sep 2024 | $1.3M |
| FY Dec 2025 | 0.59x |
| FY Dec 2024 | 0.64x |
| FY Dec 2023 | 0.34x |
| FY Dec 2022 | 0.12x |
| FY Dec 2021 | 0.20x |
| Jun 2026 | 0.58x |
| Mar 2026 | 0.59x |
| Dec 2025 | 0.59x |
| Sep 2025 | 0.61x |
| Jun 2025 | 0.62x |
| Mar 2025 | 0.62x |
| Dec 2024 | 0.64x |
| Sep 2024 | 0.65x |
| FY Dec 2025 | 0.14x |
| FY Dec 2024 | 0.11x |
| FY Dec 2023 | 0.23x |
| FY Dec 2022 | 1.35x |
| FY Dec 2021 | 0.76x |
| Jun 2026 | 0.14x |
| Mar 2026 | 0.15x |
| Dec 2025 | 0.14x |
| Sep 2025 | 0.13x |
| Jun 2025 | 0.14x |
| Mar 2025 | 0.15x |
| Dec 2024 | 0.11x |
| Sep 2024 | 0.11x |
| FY Dec 2025 | +8.3% |
| FY Dec 2024 | +7.2% |
| FY Dec 2023 | +2.3% |
| FY Dec 2022 | +15.1% |
| FY Dec 2021 | +12.9% |
| Jun 2026 | +9.3% |
| Mar 2026 | +8.6% |
| Dec 2025 | +8.3% |
| Sep 2025 | +8.0% |
| Jun 2025 | +7.7% |
| Mar 2025 | +7.3% |
| Dec 2024 | +7.2% |
| Sep 2024 | +7.3% |
| FY Dec 2025 | +0.9% |
| FY Dec 2024 | +0.8% |
| FY Dec 2023 | +0.2% |
| FY Dec 2022 | +1.4% |
| FY Dec 2021 | +1.2% |
| Jun 2026 | +1.0% |
| Mar 2026 | +1.0% |
| Dec 2025 | +0.9% |
| Sep 2025 | +0.9% |
| Jun 2025 | +0.8% |
| Mar 2025 | +0.8% |
| Dec 2024 | +0.8% |
| Sep 2024 | +0.7% |
| FY Dec 2025 | n/a |
| FY Dec 2024 | n/a |
| FY Dec 2023 | n/a |
| FY Dec 2022 | n/a |
| FY Dec 2021 | n/a |
| Jun 2026 | n/a |
| Mar 2026 | n/a |
| Dec 2025 | n/a |
| Sep 2025 | n/a |
| Jun 2025 | n/a |
| Mar 2025 | n/a |
| Dec 2024 | n/a |
| Sep 2024 | n/a |
| FY Dec 2025 | n/a |
| FY Dec 2024 | n/a |
| FY Dec 2023 | n/a |
| FY Dec 2022 | n/a |
| FY Dec 2021 | n/a |
| Jun 2026 | n/a |
| Mar 2026 | n/a |
| Dec 2025 | n/a |
| Sep 2025 | n/a |
| Jun 2025 | n/a |
| Mar 2025 | n/a |
| Dec 2024 | n/a |
| Sep 2024 | n/a |
| FY Dec 2025 | 13.33x |
| FY Dec 2024 | 16.73x |
| FY Dec 2023 | 64.46x |
| FY Dec 2022 | 12.73x |
| FY Dec 2021 | 10.87x |
| Jun 2026 | 12.60x |
| Mar 2026 | 12.75x |
| Dec 2025 | 13.33x |
| Sep 2025 | 14.06x |
| Jun 2025 | 13.93x |
| Mar 2025 | 13.32x |
| Dec 2024 | 16.73x |
| Sep 2024 | 16.76x |
| FY Dec 2025 | $311.3M |
| FY Dec 2024 | $321.3M |
| FY Dec 2023 | $298.4M |
| FY Dec 2022 | $368.1M |
| FY Dec 2021 | n/a |
| Jun 2026 | $306.5M |
| Mar 2026 | $296.0M |
| Dec 2025 | $311.3M |
| Sep 2025 | $276.0M |
| Jun 2025 | $305.5M |
| Mar 2025 | $224.6M |
| Dec 2024 | $321.3M |
| Sep 2024 | $262.0M |
| FY Dec 2025 | +7.8% |
| FY Dec 2024 | +5.9% |
| FY Dec 2023 | +5.5% |
| FY Dec 2022 | +8.1% |
| FY Dec 2021 | n/a |
| Jun 2026 | +7.0% |
| Mar 2026 | +8.3% |
| Dec 2025 | +7.8% |
| Sep 2025 | +7.2% |
| Jun 2025 | +7.8% |
| Mar 2025 | +9.9% |
| Dec 2024 | +5.9% |
| Sep 2024 | +6.0% |
| FY Dec 2025 | 0.53x |
| FY Dec 2024 | 0.07x |
| FY Dec 2023 | n/a |
| FY Dec 2022 | 0.54x |
| FY Dec 2021 | n/a |
| Jun 2026 | 0.42x |
| Mar 2026 | 0.45x |
| Dec 2025 | 0.53x |
| Sep 2025 | 0.72x |
| Jun 2025 | 0.02x |
| Mar 2025 | 0.03x |
| Dec 2024 | 0.07x |
| Sep 2024 | 0.19x |
Method
| 2025-12 | 2024-12 | 2023-12 | 2022-12 | |
|---|---|---|---|---|
| Net income | $21.2M | $17.1M | $5.2M | $31.8M |
| EPS (diluted) | 1.49 | 1.20 | 0.36 | 2.25 |
| 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 | $49.0K | n/a | n/a |
| Dividends paid | $4.3M | $3.6M | $3.1M | $2.8M |
JMSB Stock Sonar score 5/7 axes
Find similar shapesCompareJMSB ranks highest on insider conviction (82nd percentile) and risk and compliance (67th), and lowest on financial health (22nd), among Banks peers.
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.

