Comparable stake leader
T. Rowe Price Investment Management, Inc.
SEC ownership of John Marshall Bancorp, Inc.
Top holders, 13D/G large-stake signals, insider positions, and transaction flow tied to CIK 0001710482.
Disclosed value leader
T. Rowe Price Investment Management, Inc.
Comparable rows
1/50
Latest evidence
26 Aug 2026
- Public ticker
- JMSB on Nasdaq
- Parsed ownership sources
-
13F, 13D/G, and 3/4/5
Source: Parsed SEC ownership filingsUse: Compare filing families carefully
- Largest SEC-reported holder
-
T. Rowe Price Investment Management, Inc.
Ranking: Comparable ownership first, then disclosed value
- Comparable ownership rows
-
1 of 50
Meaning: Rows with safely comparable ownership %
- Latest 13D/G holder
-
T. Rowe Price Investment Management, Inc.
Source: Latest parsed Schedule 13D/G stake
- Latest parsed ownership date
-
26 Aug 2026
Freshness: Most recent filing date in this holder set
- Issuer CIK
- 0001710482
- Issuer location
- Reston, VA
Ownership snapshot
CIK-linked ownership evidence from parsed SEC filings.
3 signals
Issuer
Names, identifiers, and filing context for this profile.
2 identity fields
Ownership snapshot
Top shareholders of John Marshall Bancorp, Inc. (13F + 13D/G + 3/4/5)
Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.
Comparable stake leader
T. Rowe Price Investment ...
Disclosed value leader
T. Rowe Price Investment ...
Comparable rows
1/50
Latest evidence
26 Aug 2026
13F
13D/G
3/4/5
Lead comparable stake: 14%
49 rows are not safely comparable across share classes.
13D/G row: T. Rowe Price Investment Management, Inc.
Showing 1-8 of 50 holder rows.
Quick read
T. Rowe Price Investment Management, Inc. leads the comparable SEC ownership view at 14%.
1 of 50 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.
Open SEC evidence
Opens T. Rowe Price Investment Management, Inc.'s linked filing trail.
Comparable ownership
Top 1
T. Rowe Price Investment Manageme...
14%
Ownership % is shown only when SEC disclosures are safely comparable across share classes.
Detailed SEC evidence table Showing 1-8 of 50 holder rows
| Holder | Evidence | Ownership % | Position | 12M Net Δ | As of |
|---|---|---|---|---|---|
| T. Rowe Price Investment Management, Inc. |
13F
13D/G
Company
|
14%
Reported 13D/G
· 31 Dec 2024
|
$42,849,000
1,965,531 shares
|
— | 30 Jun 2026 |
| BlackRock, Inc. |
13F
Company
|
—
denominator unverified
|
$21,460,159
984,411 shares
|
— | 30 Jun 2026 |
| Jonathan Craig Kinney |
3/4/5
Director
|
—
denominator unverified
|
$14,102,128
615,551 shares
|
+$179,629 | 26 Aug 2026 |
| VANGUARD CAPITAL MANAGEMENT LLC |
13F
Company
|
—
denominator unverified
|
$11,653,626
534,570 shares
|
— | 30 Jun 2026 |
| EVERMAY WEALTH MANAGEMENT LLC |
13F
Company
|
—
denominator unverified
|
$7,655,049
351,149 shares
|
— | 30 Jun 2026 |
| Jean Edelman |
3/4/5
Director
|
—
denominator unverified
|
$7,555,086
321,493 shares
|
— | 26 Apr 2022 |
| TOTH FINANCIAL ADVISORY CORP |
13F
Company
|
—
denominator unverified
|
$7,330,310
336,253 shares
|
— | 30 Jun 2026 |
| GEODE CAPITAL MANAGEMENT, LLC |
13F
Company
|
—
denominator unverified
|
$6,894,460
316,184 shares
|
— | 30 Jun 2026 |
How to read this table
Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.
Forms 3/4/5 flow
Insider trading overview
Net insider flow leans to buying over the last 12 months. Net value: +$186,447.
Buys
$186,447
Insiders: 3
Sells
$0
Insiders: 0
Net
+$186,447
Shares: +9,014
Window
Last 12 months
4 rolling buckets
Buy value
Sell value
Shares: 9,014
Shares: 0
| Window (months) | Buy shares | Sell shares | Buy value | Sell value | Net value |
|---|---|---|---|---|---|
| 0-3 | 2,490 | 0 | $57,076 | $0 | +$57,076 |
| 3-6 | 2,479 | 0 | $52,133 | $0 | +$52,133 |
| 6-9 | 0 | 0 | $0 | $0 | $0 |
| 9-12 | 4,045 | 0 | $77,238 | $0 | +$77,238 |
Reporting owners
Insider holders from Forms 3/4/5
Showing 1-16 of 16 reporting-owner rows connected to John Marshall Bancorp, Inc.. Open a relationship link for the CIK-to-CIK filing trail.
Rows
16
Largest Forms 3/4/5 holder
Jonathan Craig Kinney
Net 12M change
+$186.45K
Full value: +$186,447 · USD · 12-month changeLatest report
26 Aug 2026
| Name | Relationship | Holdings Value | Past Year Net Change | Change % | Valuation | Report Date |
|---|---|---|---|---|---|---|
| Jonathan Craig Kinney | Director | $14,102,128 | +$179,629 | +1.3% | Mixed | 26 Aug 2026 |
| Jean Edelman | Director | $7,555,086 | Mixed | 26 Apr 2022 | ||
| Foster Michael T. | Director | $6,413,887 | Mixed | 16 Dec 2025 | ||
| Ronald J. Gordon | Director | $3,557,266 | Mixed | 20 Dec 2022 | ||
| Philip W. Allin | Director | $3,557,047 | Mixed | 16 Dec 2025 | ||
| William Ridenour | Chief Banking Officer | $3,112,152 | Mixed | 26 Apr 2022 | ||
| Philip Chase | Director | $2,377,343 | +$3,054 | +0.13% | Mixed | 26 Aug 2026 |
| Oscar Leland Mahan | Director | $1,997,450 | +$3,764 | +0.19% | Filing P/S | 03 Jun 2026 |
| Carl E. Dodson | Chief Operating Officer & Cro | $1,821,250 | Mixed | 27 May 2022 | ||
| Christopher W. Bergstrom | CHIEF EXECUTIVE OFFICER, Director | $1,518,302 | Mixed | 17 Jun 2026 | ||
| Lim Nguonly | Director | $1,481,867 | Mixed | 17 Dec 2024 | ||
| Subhash Garg | Director | $1,374,422 | Mixed | 16 Dec 2025 | ||
| Kent Carstater | Chief Financial Officer | $1,068,161 | Mixed | 16 Dec 2025 | ||
| Michael A. Garcia | Director | $689,187 | Mixed | 16 Dec 2025 | ||
| Andrew Peden | Chief Banking Officer | $567,587 | Mixed | 16 Dec 2025 | ||
| Kelly Jo Bell | Chief Operating Officer | $28,472 | Mixed | 19 Dec 2025 |
Recent insider transactions for John Marshall Bancorp, Inc.
Showing up to 300 recent insider transactions from the last 12 months.
| Insider | Symbol | Class | Transaction | % | SEC-reported value | SEC-reported price | Shares | Shares owned | Date | Ownership |
|---|---|---|---|---|---|---|---|---|---|---|
| Philip Chase | JMSB | Common Stock | Purchase | 0.41% | $3,054 | $22.96 | 133 | 32,408 | 26 Aug 2026 | Direct |
| Jonathan Craig Kinney | JMSB | Common Stock | Purchase | 0.44% | $28,375 | $22.92 | 1,238 | 279,926 | 26 Aug 2026 | See footnote |
| Jonathan Craig Kinney | JMSB | Common Stock | Purchase | 0.34% | $25,647 | $22.92 | 1,119 | 330,001 | 26 Aug 2026 | Direct |
| Christopher W. Bergstrom | JMSB | Common Stock | Gift | 32,720 | 32,720 | 17 Jun 2026 | By trust | |||
| Christopher W. Bergstrom | JMSB | Common Stock | Gift | -43.7% | -32,720 | 42,147 | 17 Jun 2026 | Direct | ||
| Oscar Leland Mahan | JMSB | Common Stock | Purchase | 0.19% | $3,764 | $21.03 | 179 | 94,981 | 03 Jun 2026 | Direct |
| Jonathan Craig Kinney | JMSB | Common Stock | Purchase | 0.44% | $25,404 | $21.03 | 1,208 | 278,688 | 03 Jun 2026 | See footnote |
| Jonathan Craig Kinney | JMSB | Common Stock | Purchase | 0.33% | $22,965 | $21.03 | 1,092 | 328,882 | 03 Jun 2026 | Direct |
| Kelly Jo Bell | JMSB | Common Stock | Tax liability | -2.7% | -37 | 1,333 | 19 Dec 2025 | Direct | ||
| Kelly Jo Bell | JMSB | Common Stock | Tax liability | -2% | -28 | 1,370 | 17 Dec 2025 | Direct | ||
| Andrew Peden | JMSB | Common Stock | Tax liability | -0.73% | -194 | 26,560 | 17 Dec 2025 | Direct | ||
| Foster Michael T. | JMSB | Common Stock | Award | 0.57% | 1,901 | 337,573 | 16 Dec 2025 | Direct | ||
| Jonathan Craig Kinney | JMSB | Common Stock | Award | 0.66% | 2,138 | 327,790 | 16 Dec 2025 | Direct | ||
| Oscar Leland Mahan | JMSB | Common Stock | Award | 2.05% | 1,901 | 94,802 | 16 Dec 2025 | Direct | ||
| Subhash Garg | JMSB | Common Stock | Award | 4.49% | 1,901 | 44,213 | 16 Dec 2025 | Direct | ||
| Michael A. Garcia | JMSB | Common Stock | Award | 5.53% | 1,901 | 36,273 | 16 Dec 2025 | Direct | ||
| Philip W. Allin | JMSB | Common Stock | Award | 6.77% | 1,901 | 29,963 | 16 Dec 2025 | Direct | ||
| Philip Chase | JMSB | Common Stock | Award | 6.26% | 1,901 | 32,275 | 16 Dec 2025 | Direct | ||
| Andrew Peden | JMSB | Common Stock | Award | 9.75% | 2,376 | 26,754 | 16 Dec 2025 | Direct | ||
| Kent Carstater | JMSB | Common Stock | Award | 5.81% | 3,088 | 56,219 | 16 Dec 2025 | Direct | ||
| Christopher W. Bergstrom | JMSB | Common Stock | Award | 14.5% | 9,502 | 74,867 | 16 Dec 2025 | Direct | ||
| Jonathan Craig Kinney | JMSB | Common Stock | Purchase | 0.15% | $9,815 | $19.63 | 500 | 325,652 | 05 Dec 2025 | Direct |
| Jonathan Craig Kinney | JMSB | Common Stock | Purchase | 0.42% | $26,003 | $19.33 | 1,345 | 325,152 | 02 Dec 2025 | Direct |
| Jonathan Craig Kinney | JMSB | Common Stock | Purchase | 0.15% | $9,450 | $18.90 | 500 | 323,807 | 06 Nov 2025 | Direct |
| Jonathan Craig Kinney | JMSB | Common Stock | Purchase | 0.25% | $14,965 | $18.71 | 800 | 323,307 | 05 Nov 2025 | Direct |
| Jonathan Craig Kinney | JMSB | Common Stock | Purchase | 0.12% | $7,580 | $18.95 | 400 | 322,507 | 04 Nov 2025 | Direct |
| Jonathan Craig Kinney | JMSB | Common Stock | Purchase | 0.16% | $9,425 | $18.85 | 500 | 322,107 | 31 Oct 2025 | Direct |
* marks a reported price that did not pass the local price check.