John Marshall Bancorp, Inc. (JMSB) Insider Trading
Over the last 3 months, JMSB insiders made 6 open-market buys and 0 sales, a net purchase of $109K (SEC Form 4). Multiple insiders bought within days of each other (cluster buying). Over the last 6 months, 67 institutions increased and 39 reduced their position (13F).
Insider Activity
Sentiment
100/100
Buys (3m)
6
Sells (3m)
0
Net (3m)
$109.2K
Insiders buyingCluster buying
Insider trades by month Buys Sells
Jul
Aug
Nov
Dec
Jun
Aug
Context3-month price +9.2%Institutions accumulating (13F)
| Date | Insider | Type | Shares | Price |
|---|---|---|---|---|
| Aug 28, 2026 | Chase Philipdirector | Buy | 133 | $22.96 |
| Aug 28, 2026 | Kinney Jonathan Craigdirector | Buy | 1,119 | $22.92 |
| Aug 28, 2026 | Kinney Jonathan Craigdirector | Buy | 1,238 | $22.92 |
| Jun 5, 2026 | Mahan Oscar Lelanddirector | Buy | 179 | $21.03 |
| Jun 5, 2026 | Kinney Jonathan Craigdirector | Buy | 1,092 | $21.03 |
| Jun 5, 2026 | Kinney Jonathan Craigdirector | Buy | 1,208 | $21.03 |
| Dec 22, 2025 | Bell Kelly Joofficer: CHIEF OPERATING OFFICER | Tax | 37 | $21.36 |
| Dec 18, 2025 | Chase Philipdirector | Grant | 1,901 | — |
| Dec 18, 2025 | Foster Michael Tdirector | Grant | 1,901 | — |
| Dec 18, 2025 | Peden Andrewofficer: CHIEF BANKING OFFICER | Grant | 2,376 | — |
| Dec 18, 2025 | Peden Andrewofficer: CHIEF BANKING OFFICER | Tax | 194 | $21.37 |
| Dec 18, 2025 | Carstater Kentofficer: CHIEF FINANCIAL OFFICER | Grant | 3,088 | — |
| Dec 18, 2025 | BERGSTROM CHRISTOPHER Wdirector, officer: CHIEF EXECUTIVE OFFICER | Grant | 9,502 | — |
| Dec 18, 2025 | Kinney Jonathan Craigdirector | Grant | 2,138 | — |
| Dec 18, 2025 | Mahan Oscar Lelanddirector | Grant | 1,901 | — |
| Dec 18, 2025 | Garg Subhashdirector | Grant | 1,901 | — |
| Dec 18, 2025 | GARCIA MICHAEL Adirector | Grant | 1,901 | — |
| Dec 18, 2025 | Allin Philip Wdirector | Grant | 1,901 | — |
| Dec 18, 2025 | Bell Kelly Joofficer: CHIEF OPERATING OFFICER | Tax | 28 | $21.37 |
| Dec 8, 2025 | Kinney Jonathan Craigdirector | Buy | 500 | $19.63 |
| Dec 4, 2025 | Kinney Jonathan Craigdirector | Buy | 445 | $19.40 |
| Dec 4, 2025 | Kinney Jonathan Craigdirector | Buy | 900 | $19.30 |
| Nov 10, 2025 | Kinney Jonathan Craigdirector | Buy | 500 | $18.90 |
| Nov 6, 2025 | Kinney Jonathan Craigdirector | Buy | 400 | $18.95 |
| Nov 6, 2025 | Kinney Jonathan Craigdirector | Buy | 300 | $18.70 |
| Nov 6, 2025 | Kinney Jonathan Craigdirector | Buy | 500 | $18.71 |
| Nov 3, 2025 | Kinney Jonathan Craigdirector | Buy | 500 | $18.85 |
| Aug 1, 2025 | Carstater Kentofficer: CHIEF FINANCIAL OFFICER | Buy | 498 | $18.26 |
| Aug 1, 2025 | Carstater Kentofficer: CHIEF FINANCIAL OFFICER | Buy | 551 | $18.25 |
| Aug 1, 2025 | Carstater Kentofficer: CHIEF FINANCIAL OFFICER | Buy | 2 | $18.24 |
Source: JMSB SEC Form 4 filings, latest Aug 28, 2026. For informational purposes only — not investment advice.
Institutional activity (13F)
How institutions changed their JMSB positions over the last 6 months (SEC Form 13F).
Increased
67
New positions
34
Reduced
39
Sold out
5
Largest moves
| Institution | Action | Shares | Filed |
|---|---|---|---|
| T. ROWE PRICE INVESTMENT MANAGEMENT, INC. | Reduced | 2.0M | May 15, 2026 |
| T. Rowe Price Investment Management, Inc. | Unchanged | 2.0M | Aug 14, 2026 |
| BlackRock, Inc. | Increased | 984K | Aug 7, 2026 |
| BLACKROCK, INC. | Increased | 875K | May 13, 2026 |
| VANGUARD CAPITAL MANAGEMENT LLC | New Position | 537K | May 15, 2026 |
| VANGUARD CAPITAL MANAGEMENT LLC | Reduced | 535K | Aug 13, 2026 |
| FJ CAPITAL MANAGEMENT LLC | Reduced | 412K | May 15, 2026 |
| TOTH FINANCIAL ADVISORY CORP | Reduced | 369K | Apr 16, 2026 |
| EVERMAY WEALTH MANAGEMENT LLC | Increased | 351K | Jul 27, 2026 |
| EVERMAY WEALTH MANAGEMENT LLC | Increased | 350K | May 12, 2026 |
| TOTH FINANCIAL ADVISORY CORP | Reduced | 336K | Jul 14, 2026 |
| GEODE CAPITAL MANAGEMENT, LLC | Increased | 316K | Aug 12, 2026 |
| GEODE CAPITAL MANAGEMENT, LLC | Reduced | 295K | May 15, 2026 |
| STATE STREET CORP | Increased | 219K | Aug 7, 2026 |
| STATE STREET CORP | Increased | 217K | May 15, 2026 |
Source: SEC Form 13F filings. For informational purposes only — not investment advice.