Kent Carstater - 31 Jul 2025 Form 4 Insider Report for John Marshall Bancorp, Inc. (JMSB)

Role: CHIEF FINANCIAL OFFICER
Signature: /s/ Jason S. Anderson, Attorney-in-Fact
Issuer symbol: JMSB
Transactions as of: 31 Jul 2025
Net transactions value: +$92,156
Form type: 4
Filing time: 01 Aug 2025, 16:06:10 UTC
Previous filing: 28 Apr 2025
Next filing: 18 Dec 2025
SEC: View on sec.gov

Reporting Owners (1)

Name	Relationship	Address	Signature	Signature date	CIK
Carstater Kent	CHIEF FINANCIAL OFFICER	1943 ISAAC NEWTON SQUARE EAST, SUITE 100, RESTON	/s/ Jason S. Anderson, Attorney-in-Fact	01 Aug 2025	0001897278

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	JMSB	Common Stock	Purchase	$345	+19	+0.04%	$18.18	48,150	31 Jul 2025	Direct	F1
transaction	JMSB	Common Stock	Purchase	$36.48	+2	+0%	$18.24	48,152	31 Jul 2025	Direct	F1
transaction	JMSB	Common Stock	Purchase	$10,056	+551	+1.1%	$18.25	48,703	31 Jul 2025	Direct	F1
transaction	JMSB	Common Stock	Purchase	$9,093	+498	+1%	$18.26	49,201	31 Jul 2025	Direct	F1
transaction	JMSB	Common Stock	Purchase	$2,109	+115	+0.23%	$18.34	49,316	31 Jul 2025	Direct	F1
transaction	JMSB	Common Stock	Purchase	$4,110	+224	+0.45%	$18.35	49,540	31 Jul 2025	Direct	F1
transaction	JMSB	Common Stock	Purchase	$1,675	+91	+0.18%	$18.41	49,631	31 Jul 2025	Direct	F1
transaction	JMSB	Common Stock	Purchase	$44,280	+2,400	+4.8%	$18.45	52,031	31 Jul 2025	Direct	F1
transaction	JMSB	Common Stock	Purchase	$1,850	+100	+0.19%	$18.50	52,131	31 Jul 2025	Direct	F1
transaction	JMSB	Common Stock	Purchase	$18,600	+1,000	+1.9%	$18.60	53,131	31 Jul 2025	Direct	F1

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
F1	Includes 7,930 shares relating to unvested restricted stock awards issuable upon vesting.