MainStreet CFO sells 4,500 MNSB shares

MainStreet Bancshares, Inc. Chief Financial Officer Richard Alexander Vari reported an open-market sale of 4,500 shares of Common Stock at $23.20 per share.

Rhea-AI Filing Summary

MainStreet Bancshares, Inc. Chief Financial Officer Richard Alexander Vari reported an open-market sale of 4,500 shares of Common Stock at $23.20 per share. After the sale, he holds 34,036 shares directly and 5,878 shares indirectly through a 401K plan. According to a footnote, the net proceeds were used to purchase a residence.

Insights

Equity ownership analyst

CFO executes modest open-market sale primarily for personal liquidity.

MainStreet Bancshares CFO Richard Alexander Vari sold 4,500 Common Stock shares in an open-market transaction at $23.20 per share. This is a direct sale, classified with code S, and represents a portion of his existing equity stake.

Following the sale, he retains 34,036 shares directly and 5,878 shares indirectly via a 401K plan, indicating a continuing position in the company. A footnote states that net proceeds were used to purchase a residence, framing the transaction as liquidity-driven rather than purely portfolio rebalancing.

The filing shows no option exercises or derivative activity, and no reference to a Rule 10b5-1 trading plan in the provided data. Subsequent company filings may provide further context on any future equity transactions by senior management.

Insider Trade Summary

Net Seller: 4,500 shares

Net Sell 2 txns

Insider Vari Richard Alexander

Role Chief Financial Officer

Sold 4,500 shs ($104K)

Type	Security	Shares	Price	Value
Sale	Common Stock	4,500	$23.20	$104K
holding	Common Stock	--	--	--

Holdings After Transaction: Common Stock — 34,036 shares (Direct); Common Stock — 5,878 shares (Indirect, By 401K Plan)

Footnotes (1)

1. F1. The reporting person used the net proceeds from the sale of these shares for the purchase of a residence.

Key Figures

Shares sold: 4,500 shares Sale price per share: $23.20 per share Direct holdings after transaction: 34,036 shares +2 more

5 metrics

Shares sold 4,500 shares Open-market sale of Common Stock

Sale price per share $23.20 per share Price for the 4,500-share sale

Direct holdings after transaction 34,036 shares Common Stock held directly post-sale

Indirect holdings after transaction 5,878 shares Common Stock held via 401K Plan

Net shares sold 4,500 shares NetBuySellShares from transaction summary

Key Terms

open-market sale, 401K Plan, Common Stock, Chief Financial Officer, +1 more

5 terms

open-market sale financial

"Sale in open market or private transaction"

An open-market sale is when a shareholder sells existing shares directly on a public exchange to any willing buyer, rather than through a private deal. Think of it like putting goods on a busy market stall where price is set by supply and demand; for investors it matters because such sales increase available supply, can put short-term downward pressure on the stock price, and signal changes in liquidity or investor confidence.

401K Plan financial

"nature_of_ownership: By 401K Plan"

A 401(k) plan is an employer-sponsored retirement savings account that lets workers set aside part of their paycheck into investments, often with tax breaks and sometimes with matching contributions from the employer. Think of it as a workplace piggy bank that grows through employee contributions, optional company top-ups, and market returns; it matters to investors because it shapes household retirement security, drives large flows of money into public markets, and affects a company’s compensation costs and ability to attract and keep talent.

Common Stock financial

"security_title: Common Stock"

Common stock represents ownership shares in a company, giving investors a stake in its success and a say in important decisions through voting rights. It is the most common type of stock traded on markets and can provide income through dividends, as well as potential for value growth. For investors, holding common stock means sharing in the company’s profits and risks.

Chief Financial Officer financial

"officer_title: Chief Financial Officer"

A Chief Financial Officer (CFO) is the person in charge of a company's money and financial planning. They decide how to spend, save, and invest funds to help the company grow and stay stable. Their role is important because good financial decisions keep the company healthy and successful.

Form 4 regulatory

"INSIDER FILING DATA (Form 4)"

Form 4 is a official document that company insiders, such as executives or major shareholders, file with regulators whenever they buy or sell company shares. It provides transparency about how those with inside knowledge are trading, helping investors see if insiders are confident in the company's prospects or may be selling for personal reasons. This information can influence investor decisions by revealing insiders' perspectives on the company's value.

FAQ

What did MainStreet Bancshares (MNSB) CFO transact in this Form 4?

The CFO of MainStreet Bancshares reported an open-market sale of 4,500 shares of Common Stock at $23.20 per share. The transaction is coded as an S sale, indicating a sale in the open market or a private transaction.

How many MainStreet Bancshares (MNSB) shares does the CFO hold after the sale?

After the reported sale, the CFO holds 34,036 shares of MainStreet Bancshares Common Stock directly. He also has 5,878 additional shares held indirectly through a 401K plan, according to the ownership details in the Form 4 filing.

What was the sale price for the MainStreet Bancshares (MNSB) shares?

The 4,500 MainStreet Bancshares shares were sold at a price of $23.20 per share. This price is explicitly disclosed as the transaction price per share for the open-market sale reported in the Form 4.

Why did the MainStreet Bancshares (MNSB) CFO sell shares according to the Form 4?

A footnote explains that the CFO used the net proceeds from the sale of these shares to purchase a residence. This indicates the sale was motivated by a personal liquidity need rather than a company-related transaction.

Does the MainStreet Bancshares (MNSB) Form 4 show any option exercises or derivatives?

The Form 4 data provided shows no derivative transactions or option exercises. The derivativeSummary is empty, and the only reportable activity is an open-market sale of Common Stock plus a holding entry for shares in a 401K plan.

How large is the MainStreet Bancshares (MNSB) CFO’s reported sale versus his remaining holdings?

The CFO sold 4,500 shares but still holds 34,036 shares directly and 5,878 indirectly. This indicates he retains a meaningful equity position in MainStreet Bancshares even after the disclosed open-market sale.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Accepted by SEC EDGAR 06/04/2026 - 02:41 PM Learn about SEC filing dates

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

OMB APPROVAL

OMB Number:			3235-0287
Estimated average burden
hours per response:			0.5

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^*

Vari Richard Alexander

(Last) (First) (Middle)

10089 FAIRFAX BLVD

(Street)

FAIRFAX VIRGINIA 22030

(City) (State) (Zip)

UNITED STATES

(Country)

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)
	Chief Financial Officer

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
06/04/2026

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

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

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

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	06/04/2026		S		4,500(1)	D	$23.2	34,036	D
Common Stock								5,878	I	By 401K Plan

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:

1. The reporting person used the net proceeds from the sale of these shares for the purchase of a residence.

	/s/ Richard A. Vari	06/04/2026
	** 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.
* Form 4: SEC 1474 (03-26)