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MNSB SCHEDULE 13G/A: SEC filing

An institutional holder

Filed with the SEC on · accession 0001109448-26-000258

MNSB filed a SCHEDULE 13G/A (schedule 13g/a) with the SEC on Aug 14, 2026. An institutional holder filed an amended Schedule 13G for MainStreet Bancshares, Inc. (MNSB), indicating a change in its passive ownership position. The stock moved -1.3% by the first close after the filing.

Summary of the filing

An institutional holder filed an amended Schedule 13G for MainStreet Bancshares, Inc. (MNSB), indicating a change in its passive ownership position. The filing text contains only the EDGAR directory listing, so specific ownership details are not available.

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Key details

IssuerMainStreet Bancshares, Inc.

How MNSB stock reacted

Close before

$25.18

Aug 13, 2026

First close after

-1.27%

$24.86

5 trading days

+0.32%

$25.26

Since filing

-13.54%

$21.77

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Frequently asked questions

What did MNSB file with the SEC on Aug 14, 2026?

MNSB filed a SCHEDULE 13G/A (SEC filing). An institutional holder filed an amended Schedule 13G for MainStreet Bancshares, Inc. (MNSB), indicating a change in its passive ownership position. The filing text contains only the EDGAR directory listing, so specific ownership details are not available.

How do I read a SCHEDULE 13G/A?

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 SCHEDULE 13G/A (schedule 13g/a): A report the company filed with the SEC (the US market regulator).

How did MNSB stock react to this filing?

MNSB closed at $25.18 before the filing and $24.86 on Aug 14, 2026 (-1.27%). Five trading days later: $25.26 (+0.32%).

Other MNSB SEC filings

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