Mainstreet Bancshares Inc SEC Filings

MainStreet Bancshares, Inc. reported that Thomas J. Chmelik will retire from his role as Chief Financial Officer effective December 31, 2025. He will continue as a Senior Executive Vice President and Secretary of both the company and MainStreet Bank, and remain on the Boards of Directors of each, through December 31, 2027, working with the Board and senior management to support an orderly transition. The company states that his move is for personal reasons and not due to any disagreement over operations, policies, practices, financial disclosures, accounting practices or internal controls. Mr. Chmelik currently expects to divest up to 25% of his MNSB common stock through December 31, 2027 via ordinary broker transactions on the Nasdaq Capital Market, in line with SEC rules and the company’s trading policies, with the timing influenced by market and economic factors.

MainStreet Bancshares, Inc. (MNSB)11/24/2025. The director bought multiple small lots of shares at prices between $18.95 and $19.05 per share in routine transactions coded as purchases.

Following these trades, the director beneficially owns shares both directly and indirectly. Indirect holdings include shares held through the Brockett Family Trust and additional shares attributed to the director’s spouse, while a larger block is held directly in the director’s own name.

MainStreet Bancshares (MNSB) insider and Chairman, President and CEO reported a small open-market stock purchase. On 11/24/2025, the reporting person bought 106 shares of common stock at a price of $18.99 per share, coded as a purchase transaction. Following this trade, the insider directly owned 194,796 shares of MainStreet Bancshares common stock and held an additional 55,091 shares indirectly through a 401(k) plan. The filing was made by one reporting person and reflects continued equity ownership by a senior executive and director.

MainStreet Bancshares, Inc. reported that its Board of Directors declared a quarterly cash dividend on its 7.50% Series A Fixed-Rate Non-Cumulative Perpetual Preferred Stock. The preferred stock is represented by 1,150,000 depositary shares, each equal to a 1/40th interest in a preferred share, with a liquidation preference of $1,000 per preferred share, or $25 per depositary share, totaling $28,750,000 in aggregate liquidation preference.

The declared dividend is approximately $0.47 per depositary share, or $18.75 per preferred share, payable on December 30, 2025 to holders of record as of December 15, 2025. Future dividends on this preferred series and related depositary shares are expected, when declared, to be paid quarterly in arrears on March 30, June 30, September 30 and December 30 each year. The depositary shares trade on the Nasdaq Capital Market under the symbol MNSBP.

MainStreet Bancshares (MNSB) reported stronger Q3 2025 results. Net income was $4.517M, up from $0.265M a year ago, and diluted EPS was $0.52 versus a loss of $(0.04). Net interest income rose to $17.102M as total interest expense fell to $15.362M. The company recorded a small loan credit loss benefit of $66K and a $210K provision for off‑balance sheet exposures.

Total assets were $2.125B and deposits were $1.811B, reflecting lower money market and time balances. Loans, net of the allowance, were $1.788B with the allowance at $18.831M. Stockholders’ equity increased to $218.363M. For the quarter, preferred dividends were $0.539M and common dividends were $0.10 per share. For the first nine months, operating cash flow was $8.234M, investing provided $15.901M, and financing used $(104.549M). As of October 30, 2025, common shares outstanding were 7,705,571.

MainStreet Bancshares announced it repurchased 209,000 shares of common stock at $18.54 per share under its stock repurchase program. The purchases were made in accordance with Rule 10b-18.

After this transaction, common shares outstanding decreased to 7,496,571. As of September 30, 2025, tangible book value was $24.81. The company reported $6.1 million of remaining repurchase capacity. The program does not obligate the company to repurchase any amount and may be extended, suspended, or discontinued at any time.

MainStreet Bancshares, Inc. (MNSB) announced a $0.10 per share cash dividend to common shareholders. The dividend is payable on November 18, 2025 to shareholders of record as of November 11, 2025.

The Board stated it will consider any future common dividends after reviewing the company’s financial condition, results of operations, and other factors, and any subsequent declaration will be at the Board’s discretion.

MainStreet Bancshares, Inc. announced it issued a press release with its unaudited third‑quarter 2025 financial results and made an investor presentation available on its website on October 27, 2025.

The press release (Exhibit 99.1) and presentation (Exhibit 99.2) were furnished to provide an overview of Q3 performance and are not deemed filed under the Exchange Act.

MainStreet Bancshares (MNSB) filed a Form 3 reporting an insider’s initial beneficial ownership. The reporting person is a Director and, as of 10/22/2025, holds 630 shares of Common Stock with direct (D) ownership. The derivative securities table shows no listed derivative positions in this excerpt. The filing is signed by /s/ Richard A. Vari, attorney-in-fact.