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JMSB insider trading

John Marshall Bancorp, Inc. — open-market insider buys and $1M+ sells from SEC Forms 3, 4 and 5.
Insider buys · 24 mo
24
Bought · 24 mo
$821k
Buys · last 90 days
2 · $57k
Most recent buy
2026-08-28

Cluster buy detected

3 insiders bought JMSB within a short window (2025-07-15→2025-07-31), $358k in total — cluster score 62/100. Members see the buyers, the score breakdown and the chart.

See the cluster

Recent insider filings

FiledInsiderTypeSharesPriceValue
2026-08-28Chase Philip
Director
Bought133$22.96$3k
2026-08-28Kinney Jonathan Craig
Director
Bought2,357$22.92$54k
2026-06-05Mahan Oscar Leland
Director
Bought179$21.03$4k
2026-06-05Kinney Jonathan Craig
Director
Bought2,300$21.03$48k
2025-12-08Kinney Jonathan Craig
Director
Bought500$19.63$10k
2025-12-04Kinney Jonathan Craig
Director
Bought1,345$19.33$26k
2025-11-10Kinney Jonathan Craig
Director
Bought500$18.90$9k
2025-11-06Kinney Jonathan Craig
Director
Bought1,200$18.79$23k
2025-11-03Kinney Jonathan Craig
Director
Bought500$18.85$9k
2025-08-01Carstater Kentcluster
CHIEF FINANCIAL OFFICER
Bought5,000$18.43$92k
2025-07-31GARCIA MICHAEL Acluster
Director
Bought6,162$19.20$118k
2025-07-30GARCIA MICHAEL Acluster
Director
Bought7,023$19.17$135k
2025-07-17Mahan Oscar Lelandcluster
Director
Bought712$18.63$13k
2025-06-13Kinney Jonathan Craig
Director
Bought900$17.41$16k
2025-06-09Kinney Jonathan Craig
Director
Bought1,150$17.37$20k
2025-06-04Kinney Jonathan Craig
Director
Bought356$17.40$6k
2025-06-02Kinney Jonathan Craig
Director
Bought448$17.40$8k
2025-05-30Kinney Jonathan Craig
Director
Bought800$17.47$14k
2025-04-29Kinney Jonathan Craigcluster
Director
Bought2,415$15.80$38k
2025-04-28Peden Andrewcluster
CHIEF BANKING OFFICER
Bought1,200$15.50$19k
2025-04-28Carstater Kentcluster
CHIEF FINANCIAL OFFICER
Bought5,000$15.77$79k
2025-04-01Kinney Jonathan Craig
Director
Bought1,022$18.80$19k
2025-04-01Kinney Jonathan Craig
Director
Bought2,562$17.91$46k
2024-11-19Mahan Oscar Leland
Director
Bought501$24.31$12k

Most active insider buyers

InsiderRoleBuysTotal bought
Kinney Jonathan CraigDirector15$346k
GARCIA MICHAEL ADirector2$253k
Carstater KentCHIEF FINANCIAL OFFICER2$171k
Mahan Oscar LelandDirector3$29k
Peden AndrewCHIEF BANKING OFFICER1$19k
Chase PhilipDirector1$3k

See JMSB on the chart

Every insider buy and sell for JMSB plotted on the price, the full two-year history, cluster scores and daily updates — in the members area, $29/month. A free quarterly sample of the whole dataset needs no account.

Open the browserFree sample
Data from the SEC EDGAR ownership filings, refreshed daily. Only open-market purchases (transaction code P) and sales of $1M or more are shown; grants, option exercises and tax withholding are excluded because they run on schedules set years earlier. Not investment advice.