Insider at MainStreet Bancshares (MNSB) reports tax-share disposition

Rhea-AI Filing Summary

MainStreet Bancshares, Inc. senior vice president and chief of staff William Freesmeier reported a Form 4 showing a tax-withholding disposition of company stock. On February 20, 2026, 744 shares of common stock were disposed of at $20.36 per share to cover tax obligations, a non-open-market transaction. After this, he directly held 8,668 shares and indirectly held 1,077 shares through a 401(k) plan.

SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

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Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

Freesmeier William

(Last) (First) (Middle)

10089 FAIRFAX BLVD

(Street)

FAIRFAX VA 22030

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
MainStreet Bancshares, Inc. [ MNSB ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	SVP, Chief of Staff

3. Date of Earliest Transaction (Month/Day/Year)
02/20/2026

4. If Amendment, Date of Original Filed (Month/Day/Year)

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Common Stock	02/20/2026		F		744	D	$20.36	8,668	D
Common Stock								1,077	I	by 401(k)

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:

	/s/ Richard A. Vari, attorney-in-fact	02/20/2026
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.

FAQ

What insider transaction did MainStreet Bancshares (MNSB) report for William Freesmeier?

MainStreet Bancshares reported a Form 4 for SVP and chief of staff William Freesmeier. It shows a tax-withholding disposition of 744 common shares on February 20, 2026, at $20.36 per share, rather than an open-market sale.

Was the MainStreet Bancshares (MNSB) Form 4 a regular stock sale?

The Form 4 does not show a regular open-market sale. It records a tax-withholding disposition code F, meaning 744 shares were delivered to satisfy tax obligations related to equity compensation, at a reported price of $20.36 per share.

How many MainStreet Bancshares (MNSB) shares does William Freesmeier hold after this Form 4?

After the reported tax-withholding disposition, William Freesmeier directly holds 8,668 MainStreet Bancshares common shares. He also indirectly holds 1,077 additional shares through a 401(k) plan, according to the ownership detail in the Form 4 filing.

What transaction code appears in the MainStreet Bancshares (MNSB) Form 4 for Freesmeier?

The filing uses transaction code F for the main entry. This code indicates payment of an exercise price or tax liability by delivering securities, reflecting a tax-withholding disposition of 744 common shares at a reported price of $20.36 per share.

Does the MainStreet Bancshares (MNSB) Form 4 show indirect ownership for William Freesmeier?

Yes. In addition to his direct holdings, the Form 4 reports indirect ownership of 1,077 common shares by 401(k). This indicates part of his interest in MainStreet Bancshares stock is held within a retirement plan arrangement.

What is the reported price per share in the MainStreet Bancshares (MNSB) insider transaction?

The Form 4 reports a price of $20.36 per share for the 744 MainStreet Bancshares common shares. This price is used to value the shares delivered for tax withholding in connection with the reported tax-related disposition transaction.