JMSB director buys 2,300 John Marshall Bancorp shares

John Marshall Bancorp, Inc. director Jonathan Craig Kinney reported open-market purchases of a total of 2,300 shares of common stock on June 3, 2026 at $21.03 per share.

Rhea-AI Filing Summary

John Marshall Bancorp, Inc. director Jonathan Craig Kinney reported open-market purchases of a total of 2,300 shares of common stock on June 3, 2026 at $21.03 per share. He bought 1,208 shares indirectly through affiliated company KF Associates and 1,092 shares directly.

Following these transactions, Kinney holds 328,882 shares directly and 278,688 shares indirectly through KF Associates, plus 5,624 shares indirectly owned by his spouse. These holdings include 3,058 shares relating to unvested restricted stock awards that will be issuable upon vesting.

Insider Trade Summary

Net Buyer: 2,300 shares

Net Buy 3 txns

Insider Kinney Jonathan Craig

Role Director

Bought 2,300 shs ($48K)

Type	Security	Shares	Price	Value
Purchase	Common Stock	1,092	$21.03	$23K
Purchase	Common Stock	1,208	$21.03	$25K
holding	Common Stock	--	--	--

Holdings After Transaction: Common Stock — 328,882 shares (Direct); Common Stock — 278,688 shares (Indirect, See footnote); Common Stock — 5,624 shares (Indirect, Shares owned by spouse)

Footnotes (3)

1. F1. Reinvestment of cash dividends.
2. F2. Includes 3,058 shares relating to unvested restricted stock awards issuable upon vesting.
3. F3. Shares owned by KF Associates, an affiliated company of the reporting person.

Key Figures

Direct purchase: 1,092 shares at $21.03 Indirect purchase via KF Associates: 1,208 shares at $21.03 Total shares bought: 2,300 shares +4 more

7 metrics

Direct purchase 1,092 shares at $21.03 Open-market buy on June 3, 2026

Indirect purchase via KF Associates 1,208 shares at $21.03 Open-market buy on June 3, 2026

Total shares bought 2,300 shares Net purchases reported in transaction summary

Direct holdings after transaction 328,882 shares Common stock directly owned after June 3, 2026

Indirect holdings via KF Associates 278,688 shares Common stock held through affiliated company after transaction

Spouse-owned shares 5,624 shares Indirect ownership classified as shares owned by spouse

Unvested restricted stock component 3,058 shares Relating to unvested restricted stock awards issuable upon vesting

Key Terms

open-market purchase, indirect ownership, restricted stock awards, reinvestment of cash dividends, +1 more

5 terms

open-market purchase financial

"transaction_action: "open-market purchase" for common stock on June 3, 2026"

An open-market purchase is when an investor or a company buys shares on a public stock exchange at the going market price, rather than through a private deal. It matters to investors because these purchases change how many shares are available, can push the stock price up or signal confidence from large buyers, and often affect per-share metrics like earnings—think of it like someone buying lots of apples off a grocery shelf, reducing supply and potentially raising the price.

indirect ownership financial

"ownership_type: "indirect" and nature_of_ownership referencing spouse and KF Associates"

restricted stock awards financial

"Includes 3,058 shares relating to unvested restricted stock awards issuable upon vesting"

Restricted stock awards are company shares given to employees or executives that cannot be sold or transferred until certain conditions — like staying with the company for a set time or meeting performance targets — are met, like a gift that is locked in a safe until rules are satisfied. Investors care because these awards tie management’s pay to company performance, can increase the number of shares outstanding when they become tradable (dilution), and may signal expected future selling pressure or commitment to long-term growth.

reinvestment of cash dividends financial

"Footnote stating: "Reinvestment of cash dividends.""

Form 4 regulatory

"INSIDER FILING DATA (Form 4)"

Form 4 is a official document that company insiders, such as executives or major shareholders, file with regulators whenever they buy or sell company shares. It provides transparency about how those with inside knowledge are trading, helping investors see if insiders are confident in the company's prospects or may be selling for personal reasons. This information can influence investor decisions by revealing insiders' perspectives on the company's value.

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What insider transactions did JMSB director Jonathan Craig Kinney report?

Jonathan Craig Kinney reported buying 2,300 shares of John Marshall Bancorp common stock. The purchases occurred on June 3, 2026 at $21.03 per share in open-market transactions, split between direct ownership and an affiliated entity.

How many JMSB shares did Kinney buy directly and indirectly?

Kinney bought 1,092 John Marshall Bancorp shares directly and 1,208 shares indirectly. The indirect purchase was through KF Associates, an affiliated company of the reporting person, with both transactions executed at $21.03 per share on June 3, 2026.

What are Jonathan Craig Kinney’s total JMSB share holdings after these purchases?

After the reported trades, Kinney holds 328,882 John Marshall Bancorp shares directly and 278,688 shares indirectly through KF Associates, plus 5,624 shares indirectly owned by his spouse, according to the Form 4 ownership totals.

How are indirect JMSB share holdings attributed to Kinney on this Form 4?

Indirect holdings include shares owned by KF Associates, an affiliated company of Kinney, and shares owned by his spouse. The filing notes 278,688 shares held through KF Associates and 5,624 shares owned by his spouse as of the reported date.

Does Kinney’s JMSB position include unvested restricted stock awards?

Yes. The filing states his holdings include 3,058 shares relating to unvested restricted stock awards. These shares will be issuable upon vesting and are counted within the reported ownership totals on the Form 4.

Were any JMSB insider transactions related to dividend reinvestment?

Yes. A footnote explains that at least one entry reflects reinvestment of cash dividends. This reinvestment is recorded as part of the reported indirect holdings, alongside open-market purchases and existing positions.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Accepted by SEC EDGAR 06/05/2026 - 01:50 PM Learn about SEC filing dates

SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

OMB Number:			3235-0287
Estimated average burden
hours per response:			0.5

Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

Kinney Jonathan Craig

(Last) (First) (Middle)

1943 ISAAC NEWTON SQUARE EAST

SUITE 100

(Street)

RESTON VIRGINIA 20190

(City) (State) (Zip)

UNITED STATES

(Country)

2. Issuer Name and Ticker or Trading Symbol
John Marshall Bancorp, Inc. [ JMSB ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

X	Director		10% Owner
	Officer (give title below)		Other (specify below)

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
06/03/2026

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

4. If Amendment, Date of Original Filed (Month/Day/Year)

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Common Stock	06/03/2026		P(1)		1,092	A	$21.03	328,882(2)	D
Common Stock	06/03/2026		P(1)		1,208	A	$21.03	278,688	I	See footnote(3)
Common Stock								5,624	I	Shares owned by spouse

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:

1. Reinvestment of cash dividends.

2. Includes 3,058 shares relating to unvested restricted stock awards issuable upon vesting.

3. Shares owned by KF Associates, an affiliated company of the reporting person.

	/s/ Jacob A. Gruninger, Attorney-in-Fact	06/05/2026
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.
* Form 4: SEC 1474 (03-26)