11 insiders reported 89 Form 4 transactions for John Marshall Bancorp, Inc. (JMSB) over the past 18 months (most recent 2026-08-28). Recent activity: Chase Philip (Director) Buy 133 shares, Kinney Jonathan Craig (Director) Buy 1,119 shares, Kinney Jonathan Craig (Director) Buy 1,238 shares, BERGSTROM CHRISTOPHER W (CHIEF EXECUTIVE OFFICER) Sell 32,720 shares, BERGSTROM CHRISTOPHER W (CHIEF EXECUTIVE OFFICER) Buy 32,720 shares. Source: SEC Form 4.
| Date | Insider | Title | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-08-28 | Chase Philip | Director | Buy | 133 | $3,054 |
| 2026-08-28 | Kinney Jonathan Craig | Director | Buy | 1,119 | $25,647 |
| 2026-08-28 | Kinney Jonathan Craig | Director | Buy | 1,238 | $28,375 |
| 2026-06-26 | BERGSTROM CHRISTOPHER W | CHIEF EXECUTIVE OFFICER | Sell | 32,720 | $0 |
| 2026-06-26 | BERGSTROM CHRISTOPHER W | CHIEF EXECUTIVE OFFICER | Buy | 32,720 | $0 |
| 2026-06-05 | Mahan Oscar Leland | Director | Buy | 179 | $3,764 |
| 2026-06-05 | Kinney Jonathan Craig | Director | Buy | 1,092 | $22,965 |
| 2026-06-05 | Kinney Jonathan Craig | Director | Buy | 1,208 | $25,404 |
| 2025-12-22 | Bell Kelly Jo | CHIEF OPERATING OFFICER | Sell | 37 | $790 |
| 2025-12-18 | Mahan Oscar Leland | Director | Buy | 1,901 | $0 |
| 2025-12-18 | GARCIA MICHAEL A | Director | Buy | 1,901 | $0 |
| 2025-12-18 | Carstater Kent | CHIEF FINANCIAL OFFICER | Buy | 3,088 | $0 |
| 2025-12-18 | Foster Michael T | Director | Buy | 1,901 | $0 |
| 2025-12-18 | Bell Kelly Jo | CHIEF OPERATING OFFICER | Sell | 28 | $598 |
| 2025-12-18 | Peden Andrew | CHIEF BANKING OFFICER | Buy | 2,376 | $0 |
| 2025-12-18 | Kinney Jonathan Craig | Director | Buy | 2,138 | $0 |
| 2025-12-18 | Garg Subhash | Director | Buy | 1,901 | $0 |
| 2025-12-18 | Chase Philip | Director | Buy | 1,901 | $0 |
| 2025-12-18 | Allin Philip W | Director | Buy | 1,901 | $0 |
| 2025-12-18 | BERGSTROM CHRISTOPHER W | CHIEF EXECUTIVE OFFICER | Buy | 9,502 | $0 |
| 2025-12-18 | Peden Andrew | CHIEF BANKING OFFICER | Sell | 194 | $4,146 |
| 2025-12-08 | Kinney Jonathan Craig | Director | Buy | 500 | $9,815 |
| 2025-12-04 | Kinney Jonathan Craig | Director | Buy | 900 | $17,370 |
| 2025-12-04 | Kinney Jonathan Craig | Director | Buy | 445 | $8,633 |
| 2025-11-10 | Kinney Jonathan Craig | Director | Buy | 500 | $9,450 |
Source: SEC Form 4 filings · as of 2026-08-28