Foster Michael T. - 16 Dec 2025 Form 4 Insider Report for John Marshall Bancorp, Inc. (JMSB)

Reporting relationship: Director
Issuer ticker: JMSB
Reported as of: 16 Dec 2025
Net transaction value: $0
SEC form: 4
Accepted by SEC: 18 Dec 2025, 17:15:00 UTC
Prior SEC filing: 14 Apr 2025
Source filing: View source filing
Reporting owner signature: /s/ Jacob A. Gruninger, Attorney-in-Fact

Key filing fact

Foster Michael T. filed Form 4 for John Marshall Bancorp, Inc. (JMSB) on 18 Dec 2025.

Key facts

This page summarizes Foster Michael T.'s Form 4 filing for John Marshall Bancorp, Inc. (JMSB).
1 reported transaction and 0 derivative rows are listed below.
Accepted by SEC: 18 Dec 2025, 17:15.

Change

Previous filing in this sequence was filed on 14 Apr 2025.
Current net transaction value: $0.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0001903972 Primary reporting owner

Foster Michael T

Relationship: Director
Address: 1943 ISAAC NEWTON SQUARE EAST, SUITE 100, RESTON
Signature: /s/ Jacob A. Gruninger, Attorney-in-Fact
Signature date: 18 Dec 2025

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

JMSB transaction

Common Stock

Award

Transaction value: $0
Shares: +1,901
Change %: +0.57%
Price: $0.000000
Shares after: 337,573
Date: 16 Dec 2025
Ownership: Direct
Footnotes: F1, F2

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 2 footnotes

Footnote F1

1,901 shares issuable upon vesting of restricted stock awards. The awards will vest in equal installments over two years with the first installment vesting on the anniversary of the grant.

Footnote F2

Includes 4,251 shares relating to unvested restricted stock awards issuable upon vesting.