THOMAS J. CHMELIK - 09 Dec 2025 Form 4 Insider Report for MainStreet Bancshares, Inc. (MNSB)

Signature
/s/ Richard A. Vari, attorney-in-fact
Issuer symbol
MNSB
Transactions as of
09 Dec 2025
Transactions value $
-$145,408
Form type
4
Filing time
10 Dec 2025, 10:11:43 UTC
Previous filing
08 Dec 2025

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
CHMELIK THOMAS J CFO, MainStreet Bancshares Inc, Director 10089 FAIRFAX BLVD, FAIRFAX /s/ Richard A. Vari, attorney-in-fact 10 Dec 2025 0001774482

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction MNSB Common Stock Sale -$36.1K -1.79K -2.52% $20.21 69.2K 09 Dec 2025 Direct F1
transaction MNSB Common Stock Sale -$109K -5.45K -7.88% $20.05 63.8K 09 Dec 2025 Direct F1
holding MNSB Common Stock 56.8K 09 Dec 2025 By 401(k) Plan
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 This transaction was effected pursuant to a Form 144 previously filed on December 2, 2025.