MainStreet Bancshares (NASDAQ: MNSB) details 174,280-share buyback activity

Rhea-AI Filing Summary

MainStreet Bancshares, Inc. reported that since the beginning of the year it has repurchased 174,280 shares of its outstanding common stock under its current stock repurchase program. The company paid an average price of $22.45 per share for these buybacks.

The purchases were made in line with the limitations of SEC Rule 10b-18 and other legal requirements. The company stated that its tangible book value was $25.52 as of December 31, 2025. The repurchase program does not obligate any specific amount and may be extended, suspended, or discontinued at any time.

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UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

WASHINGTON, D.C. 20549

FORM 8-K

CURRENT REPORT

Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934

Date of Report (Date of earliest event reported): March 3, 2026

MainStreet Bancshares, Inc.

(Exact name of Registrant as Specified in Its Charter)

Virginia	001-38817	81-2871064
(State or Other Jurisdiction of Incorporation)	(Commission File Number)	(IRS Employer Identification No.)
10089 Fairfax Boulevard, Fairfax, VA		22030
(Address of Principal Executive Offices)		(Zip Code)

(703) 481-4567

(Registrant’s Telephone Number, Including Area Code)

Not Applicable

(Former Name or Former Address, if Changed Since Last Report)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions (see General Instructions A.2. below):

☐         Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

☐         Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

☐         Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

☐         Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Securities registered pursuant to Section 12(b) of the Act:

Title of each class		Trading Symbol(s)		Name of each exchange on which registered
Common Stock		MNSB		The Nasdaq Stock Market LLC
Depositary Shares (each representing a 1/40th interest in a share of 7.50% Series A Fixed-Rate Non-Cumulative Perpetual Preferred Stock)		MNSBP		The Nasdaq Stock Market LLC

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§ 230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§ 240.12b-2 of this chapter).

Emerging growth company  ☐

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐

Item 8.01 Other Events.

On March 3, 2026, MainStreet Bancshares, Inc. (the “Company”) the holding company for MainStreet Bank, announced that since the beginning of the year, the Company has repurchased 174,280 shares of outstanding common stock at an average price of $22.45 per share under its current stock repurchase program. The shares were repurchased in accordance with the limitations set forth in Rule 10b-18 of the Securities and Exchange Commission and other applicable legal requirements. As of December 31, 2025, our tangible book value was $25.52. The share repurchase program does not obligate the Company to repurchase any dollar amount or number of shares, and the program may be extended, suspended, or discontinued at any time.

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

		MAINSTREET BANCSHARES, INC
Date: March 3, 2026		By:	/s/ Richard A. Vari
			Name: Richard A. Vari
			Title: Chief Financial Officer

FAQ

What share repurchases did MainStreet Bancshares (MNSB) disclose in this filing?

MainStreet Bancshares disclosed that it repurchased 174,280 shares of its outstanding common stock since the beginning of the year. These buybacks were executed under its current stock repurchase program, following Rule 10b-18 and other applicable legal requirements.

At what average price did MainStreet Bancshares (MNSB) repurchase its shares?

The company reported an average repurchase price of $22.45 per share for the 174,280 shares bought under its stock repurchase program. This reflects the weighted average cost paid for those shares since the beginning of the year.

What is MainStreet Bancshares’ tangible book value mentioned in the 8-K?

MainStreet Bancshares reported a tangible book value of $25.52 as of December 31, 2025. This figure represents the company’s tangible net asset value per share at that date and provides context for the price paid in the repurchase program.

Is MainStreet Bancshares (MNSB) obligated to repurchase a set number of shares?

The company stated that its share repurchase program does not obligate it to repurchase any specific dollar amount or number of shares. The program may be extended, suspended, or discontinued at any time at the company’s discretion.

Under what regulatory framework were MainStreet Bancshares’ share repurchases conducted?

MainStreet Bancshares indicated that its share repurchases were conducted in accordance with Rule 10b-18 of the Securities and Exchange Commission and other applicable legal requirements. Rule 10b-18 provides a safe harbor framework for issuer stock buyback transactions.

What type of event does this MainStreet Bancshares (MNSB) 8-K report?

The filing reports an Item 8.01 – Other Events disclosure. It focuses on the company’s recent share repurchase activity, including the number of shares bought, the average price paid, and the non-binding nature of the repurchase program.

Filing Exhibits & Attachments

4 documents

Other Documents

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