Director Darrell Green takes 356 MainStreet (MNSB) shares as fee compensation

Rhea-AI Filing Summary

MainStreet Bancshares director Darrell Green received a stock grant instead of cash fees. On April 3, 2026, he acquired 356 shares of common stock as a restricted stock award valued at $22.48 per share under the company’s equity incentive plan. Following this grant, he directly holds 34,705 shares of MainStreet Bancshares common stock.

Insider Trade Summary

1 transaction reported

Mixed 1 txn

Insider GREEN DARRELL

Role Director

Type	Security	Shares	Price	Value
Grant/Award	Common Stock	356	$22.48	$8K

Holdings After Transaction: Common Stock — 34,705 shares (Direct)

Footnotes (1)

1. [object Object]

Key Figures

Restricted shares granted: 356 shares Grant value per share: $22.48 per share Total shares held after grant: 34,705 shares

3 metrics

Restricted shares granted 356 shares Common stock award to director on April 3, 2026

Grant value per share $22.48 per share Fair value of restricted stock on grant date

Total shares held after grant 34,705 shares Director Darrell Green’s direct holdings after transaction

Key Terms

restricted stock awards, equity incentive plan, fair value, Form 4

4 terms

restricted stock awards financial

"directors may elect to receive an equivalent value of equity in restricted stock awards under the existing equity incentive plan"

Restricted stock awards are company shares given to employees or executives that cannot be sold or transferred until certain conditions — like staying with the company for a set time or meeting performance targets — are met, like a gift that is locked in a safe until rules are satisfied. Investors care because these awards tie management’s pay to company performance, can increase the number of shares outstanding when they become tradable (dilution), and may signal expected future selling pressure or commitment to long-term growth.

equity incentive plan financial

"restricted stock awards under the existing equity incentive plan"

An equity incentive plan is a program that gives employees, executives or directors the right to receive company stock or options to buy stock as part of their pay. Think of it as offering slices of future company profit to motivate people to boost long‑term performance; for investors it matters because it can align employee goals with shareholder value but also increases the number of shares outstanding, which can dilute existing ownership.

fair value financial

"This amount reflects the fair value of restricted stock awards received in lieu of cash"

Fair value is an estimate of what an asset or company is really worth today, derived from expected future earnings, comparable market prices and other relevant facts—like agreeing a price for a used car after checking mileage, condition and similar listings. Investors use fair value to decide whether a stock looks overpriced or undervalued, which helps guide buy, hold or sell decisions and sets expectations for potential returns and risk.

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.

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Form 4 Insider Transactions: What Each Field Means →

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^*

GREEN DARRELL

(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)

X	Director		10% Owner
	Officer (give title below)		Other (specify below)

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
04/03/2026

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	04/03/2026		A		356(1)	A	$22.48	34,705	D

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. In lieu of cash fees, directors may elect to receive an equivalent value of equity in restricted stock awards under the existing equity incentive plan. This amount reflects the fair value of restricted stock awards received in lieu of cash based upon the stock price on the date of grant.

	/s/ Richard A. Vari, attorney-in-fact	04/17/2026
	** 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)

FAQ

What insider transaction did MainStreet Bancshares (MNSB) report for Darrell Green?

MainStreet Bancshares reported that director Darrell Green received 356 shares of common stock as a restricted stock award. The shares were valued at $22.48 each and were granted in lieu of cash director fees under the company’s existing equity incentive plan.

Was the MainStreet Bancshares (MNSB) Form 4 transaction a market purchase or sale?

The Form 4 transaction was not a market purchase or sale. It reflects a grant of 356 restricted shares to director Darrell Green as compensation in lieu of cash fees, based on the stock price on the April 3, 2026 grant date.

How many MainStreet Bancshares (MNSB) shares does Darrell Green hold after this Form 4?

After the reported grant, director Darrell Green directly holds 34,705 shares of MainStreet Bancshares common stock. This total includes the 356 restricted shares awarded in lieu of cash director fees, as disclosed in the Form 4 insider filing.

What was the valuation used for the restricted stock awarded by MainStreet Bancshares (MNSB)?

The restricted stock award to Darrell Green was valued using the stock price on the grant date. The Form 4 shows a fair value of $22.48 per share for the 356 common shares issued in lieu of cash director compensation under the equity incentive plan.

Why did MainStreet Bancshares (MNSB) issue restricted stock to its director instead of paying cash?

Directors at MainStreet Bancshares may elect to receive equity instead of cash fees. Darrell Green chose restricted stock awards in lieu of cash, and the 356 shares granted represent the fair value of those fees based on the stock price on the grant date.