JMSB EFFECT: Shelf registration
John Marshall Bancorp, Inc.
Filed with the SEC on · accession 9999999995-26-003276
JMSB filed a EFFECT (effect) with the SEC on Oct 16, 2026. John Marshall Bancorp, Inc. filed an EFFECT notice with the SEC, indicating that a registration statement has been declared effective. The stock moved +0.5% by the first close after the filing.
Summary of the filing
John Marshall Bancorp, Inc. filed an EFFECT notice with the SEC, indicating that a registration statement has been declared effective. This typically relates to a shelf registration or other securities offering becoming effective.
Key details
How JMSB stock reacted
Close before
$22.79
Oct 15, 2026
First close after
+0.48%
$22.90
5 trading days
+3.16%
$23.51
Since filing
+1.32%
$23.09
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Click hereFrequently asked questions
What did JMSB file with the SEC on Oct 16, 2026?
JMSB filed a EFFECT (Shelf registration). John Marshall Bancorp, Inc. filed an EFFECT notice with the SEC, indicating that a registration statement has been declared effective. This typically relates to a shelf registration or other securities offering becoming effective.
What does a shelf registration mean for JMSB stock?
New shares dilute existing holders and are often sold at a discount to the market price.
How do I read a EFFECT?
A report the company filed with the SEC (the US market regulator). Start with the summary, then the key amounts and names. Compare it with the company’s earlier filings.
Why are SEC filings important?
Public companies must tell the SEC about anything that can change their value — results, leadership changes, big deals, new shares, bankruptcy. Filings are the official source, often before the news. A EFFECT (effect): A report the company filed with the SEC (the US market regulator).
How did JMSB stock react to this filing?
JMSB closed at $22.79 before the filing and $22.90 on Oct 16, 2026 (+0.48%). Five trading days later: $23.51 (+3.16%).
Other JMSB SEC filings
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