JMSB insider purchase: 500 shares; direct holdings 322,107

Rhea-AI Filing Summary

John Marshall Bancorp (JMSB) reported an insider transaction on a Form 4. A director purchased 500 shares of common stock at $18.85 on 10/31/2025.

Following the transaction, the director beneficially owned 322,107 shares direct, which includes 2,686 shares relating to unvested restricted stock awards issuable upon vesting. Additional holdings were reported as 277,480 shares indirect through KF Associates and 5,624 shares held by the spouse.

Insider Trade Summary

Net Buyer: 500 shares ($9,425)

Net Buy 3 txns

Insider Kinney Jonathan Craig

Role Director

Bought 500 shs ($9K)

Type	Security	Shares	Price	Value
Purchase	Common Stock	500	$18.85	$9K
holding	Common Stock	--	--	--
holding	Common Stock	--	--	--

Holdings After Transaction: Common Stock — 322,107 shares (Direct); Common Stock — 277,480 shares (Indirect, See footnote)

Footnotes (1)

1. Includes 2,686 shares relating to unvested restricted stock awards issuable upon vesting. Shares owned by KF Associates, an affiliated company of the reporting person.

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Form 4 Insider Transactions: What Each Field Means →

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 VA 20190

(City) (State) (Zip)

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)

3. Date of Earliest Transaction (Month/Day/Year)
10/31/2025

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

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

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

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	10/31/2025		P		500	A	$18.85	322,107(1)	D
Common Stock								277,480	I	See footnote(2)
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. Includes 2,686 shares relating to unvested restricted stock awards issuable upon vesting.

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

	/s/ Jason S. Anderson, Attorney-in-Fact	11/03/2025
	** 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.

FAQ

What insider transaction did JMSB report on Form 4?

A director purchased 500 shares of John Marshall Bancorp common stock at $18.85 on 10/31/2025.

What is the director’s direct ownership in JMSB after the trade?

Direct beneficial ownership is 322,107 shares, including 2,686 shares from unvested restricted stock awards issuable upon vesting.

What indirect JMSB holdings were disclosed?

Indirect beneficial ownership includes 277,480 shares held through KF Associates.

Were any family holdings reported in the Form 4?

Yes. 5,624 shares are reported as owned by the spouse.

What was the transaction price for the purchased shares?

The 500 shares were purchased at $18.85 per share.

What is the role of the reporting person at JMSB?

The reporting person is a Director of John Marshall Bancorp.