John Marshall Bancorp, Inc. (JMSB) has 16 known insider and institutional holders on record. The largest holder is Foster Michael T with 337,573 shares. Other notable holders include Kinney Jonathan Craig and Edelman Jean.
Over the last 12 months, insiders have made 39 transactions in JMSB stock — 34 buys (valued at $388.27K) and 1 sells (valued at $519.90). Insider buying has outpaced selling during this period, which may signal confidence in the company's prospects.
JMSB Insider Ownership
Top Holder
Foster Michael T
337,573 shares
Buys (12 mo)
34
$388.27K value
Sells (12 mo)
1
$519.90 value
12-Month Transaction Activity
Top Insider Holders
| # |
Name |
Role |
Shares Owned |
Last Filed |
Relative Size |
| 1 |
Foster Michael T |
Director |
337,573 |
2025-12-18 |
|
| 2 |
Kinney Jonathan Craig |
Director |
327,790 |
2025-12-18 |
|
| 3 |
Edelman Jean |
Director |
321,493 |
2022-04-26 |
|
| 4 |
Gordon Ronald J |
Director |
151,373 |
2022-12-22 |
|
| 5 |
Ridenour William |
Chief Banking Officer |
132,432 |
2022-04-26 |
|
| 6 |
Mahan Oscar Leland |
Director |
94,802 |
2025-12-18 |
|
| 7 |
Bergstrom Christopher W |
Chief Executive Officer |
74,867 |
2025-12-18 |
|
| 8 |
Nguonly Lim |
Director |
64,375 |
2024-12-19 |
|
| 9 |
Carstater Kent |
Chief Financial Officer |
56,219 |
2025-12-18 |
|
| 10 |
Garg Subhash |
Director |
44,213 |
2025-12-18 |
|
| 11 |
Garcia Michael A |
Director |
36,273 |
2025-12-18 |
|
| 12 |
Chase Philip |
Director |
32,275 |
2025-12-18 |
|
| 13 |
Allin Philip W |
Director |
29,963 |
2025-12-18 |
|
| 14 |
Peden Andrew |
Chief Banking Officer |
26,754 |
2025-12-18 |
|
| 15 |
Dodson Carl E |
Chief Operating Officer & Cro |
26,500 |
2022-05-27 |
|
| 16 |
Bell Kelly Jo |
Chief Operating Officer |
1,333 |
2025-12-22 |
|
Recent Transactions (last 12 months)
| Date |
Name |
Role |
Type |
Shares |
Price |
Value |
| 2025-12-19 |
Bell Kelly Jo |
Chief Operating Officer |
Tax Withholding of RSU |
37 |
$21.36 |
$790.32 |
| 2025-12-17 |
Bell Kelly Jo |
Chief Operating Officer |
Tax Withholding of RSU |
28 |
$21.37 |
$598.36 |
| 2025-12-16 |
Allin Philip W |
Director |
RSU Award |
1,901 |
- |
- |
| 2025-12-16 |
Foster Michael T |
Director |
RSU Award |
1,901 |
- |
- |
| 2025-12-16 |
Mahan Oscar Leland |
Director |
RSU Award |
1,901 |
- |
- |
| 2025-12-16 |
Garg Subhash |
Director |
RSU Award |
1,901 |
- |
- |
| 2025-12-16 |
Chase Philip |
Director |
RSU Award |
1,901 |
- |
- |
| 2025-12-17 |
Peden Andrew |
Chief Banking Officer |
Tax Withholding of RSU |
194 |
$21.37 |
$4.15K |
| 2025-12-16 |
Peden Andrew |
Chief Banking Officer |
RSU Award |
2,376 |
- |
- |
| 2025-12-16 |
Carstater Kent |
Chief Financial Officer |
RSU Award |
3,088 |
- |
- |
| 2025-12-16 |
Kinney Jonathan Craig |
Director |
RSU Award |
2,138 |
- |
- |
| 2025-12-16 |
Bergstrom Christopher W |
Chief Executive Officer |
RSU Award |
9,502 |
- |
- |
| 2025-12-16 |
Garcia Michael A |
Director |
RSU Award |
1,901 |
- |
- |
| 2025-12-05 |
Kinney Jonathan Craig |
Director |
Informative Buy |
500 |
$19.63 |
$9.82K |
| 2025-12-02 |
Kinney Jonathan Craig |
Director |
Informative Buy |
900 |
$19.30 |
$17.37K |
| 2025-11-06 |
Kinney Jonathan Craig |
Director |
Informative Buy |
500 |
$18.90 |
$9.45K |
| 2025-11-05 |
Kinney Jonathan Craig |
Director |
Informative Buy |
300 |
$18.70 |
$5.61K |
| 2025-11-04 |
Kinney Jonathan Craig |
Director |
Informative Buy |
400 |
$18.95 |
$7.58K |
| 2025-10-31 |
Kinney Jonathan Craig |
Director |
Informative Buy |
500 |
$18.85 |
$9.43K |
| 2025-07-31 |
Carstater Kent |
Chief Financial Officer |
Informative Buy |
19 |
$18.18 |
$345.42 |
| 2025-07-30 |
Garcia Michael A |
Director |
Informative Buy |
6,162 |
$19.20 |
$118.31K |
| 2025-07-29 |
Garcia Michael A |
Director |
Informative Buy |
4,276 |
$19.20 |
$82.1K |
| 2025-07-28 |
Garcia Michael A |
Director |
Informative Buy |
871 |
$19.20 |
$16.72K |
| 2025-07-15 |
Mahan Oscar Leland |
Director |
Informative Buy |
712 |
$18.63 |
$13.26K |
| 2025-06-12 |
Kinney Jonathan Craig |
Director |
Informative Buy |
700 |
$17.36 |
$12.15K |
