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John Marshall Bancorp, Inc.

JMSB
Exchange
Nasdaq
Industry
State Commercial Banks
SEC CIK
0001710482

In the last 90 days, John Marshall Bancorp, Inc. insiders filed 2 open-market purchases and 0 sales; 95 institutions reported holding it in 13F filings for Q2 2026, worth $152.6M in total; no superinvestor holds it.

Holders of 5% or more of JMSB

Holders whose latest Schedule 13D or 13G filing reports 5% or more of John Marshall Bancorp, Inc., largest stake first. The change is against the holder's previous filing.

Holders of 5% or more of JMSB
HolderLatest formStakeChangeFirst filedLatest filingFiling
T. Rowe Price Investment Management, Inc.13G/A13.70%1.94M shares–Aug 10, 20223 filingsFeb 14, 2025SEC

Stakes are as of each holder's latest filing. Holders whose last filing was in the old format (before December 18, 2024) have no stake on record and are not listed, and after an acquisition or delisting holders usually stop filing.

13D and 13G filings

4 Schedule 13D and 13G filings on John Marshall Bancorp, Inc., newest first, including old-format filings without a stake.

Schedule 13D and 13G filings on JMSB
Filed (ET)FilerFormStakeChangeEvent dateFiling
Feb 14, 20259:45 AM ETT. Rowe Price Investment Management, Inc.13G/A13.70%1.94M shares–Dec 31, 2024SEC
Feb 14, 2023T. Rowe Price Investment Management, Inc.13G/AOld format–––SEC
Feb 3, 20234:27 PM ETBlackRock Inc.13GOld format–New–SEC
Aug 10, 2022T. Rowe Price Investment Management, Inc.13GOld format–New–SEC

Form 144: proposed insider sales

Notices from officers, directors and other affiliates planning to sell John Marshall Bancorp, Inc. shares.

No Form 144 notices for John Marshall Bancorp, Inc. are on file.