Other Events. ​ ​ ​ As more fully described in the attached press release dated October 28, 2026, the Board of Directors of John Marshall Bancorp, Inc. declared a quarterly cash dividend of $0.10 per outstanding share of common stock on October 27, 2026. The dividend will be payable on December 2, 2026 to shareholders of record as of the close of business on November 10, 2026. ​ A copy of the press release is attached hereto in Exhibit 99.1 and is incorporated herein by reference. ​

Results of Operations and Financial Condition. ​ On October 28, 2026, John Marshall Bancorp, Inc. (the “Company”) issued a press release announcing its results of operations and financial condition for the quarter ended September 30, 2026. A copy of the press release is included as Exhibit 99.1 to this report. ​ ​

CEO — Christopher Bergstrom: The CEO is transitioning to Executive Chairman while a successor is appointed, representing an orderly succession rather than a loss of leadership.

hereof and shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the “Exchange Act”), or otherwise subject to the liabilities of that section, and such information shall not be deemed incorporated by reference into any filing under the Securities Act of 1933, as amended (the “Securities Act”), or the Exchange Act, except as shall be expressly set forth by specific reference in such filing. Important Additional Information In connection with…

Entry into a Material Definitive Agreement. Agreement and Plan of Merger On September 7, 2026, John Marshall Bancorp, Inc. (“JMSB”) and Eagle Financial Services, Inc. (“EFSI”) entered into an Agreement and Plan of Merger (the “Merger Agreement”) with George Sub, Inc., a newly formed Virginia corporation and a wholly owned subsidiary of JMSB (“Merger Sub”). The Merger Agreement provides that, upon the terms and subject to the conditions set forth therein, Merger Sub will merge with and into EF…

Other Events. ​ ​ ​ As more fully described in the attached press release dated August 19, 2026, the Board of Directors of John Marshall Bancorp, Inc. (Nasdaq: JMSB) (the “Company”) authorized the extension of the Company’s stock repurchase program (the “Repurchase Program”) on August 18, 2026. The Repurchase Program was originally adopted on August 18, 2021 and was set to expire on August 31, 2026. Under the Repurchase Program, the Company may repurchase up to 700,000 shares of its common st…

Results of Operations and Financial Condition. ​ On July 22, 2026, John Marshall Bancorp, Inc. (the “Company”) issued a press release announcing its results of operations and financial condition for the quarter ended June 30, 2026. A copy of the press release is included as Exhibit 99.1 to this report. ​ ​

Other Events. ​ ​ ​ As more fully described in the attached press release dated July 22, 2026, the Board of Directors of John Marshall Bancorp, Inc. declared a quarterly cash dividend of $0.10 per outstanding share of common stock on July 21, 2026. The dividend will be payable on August 26, 2026 to shareholders of record as of the close of business on August 5, 2026. ​ A copy of the press release is attached hereto in Exhibit 99.1 and is incorporated herein by reference. ​

Other Events. ​ ​ As more fully described in the attached press release dated April 29, 2026, the Board of Directors of John Marshall Bancorp, Inc. declared a quarterly cash dividend of $0.09 per outstanding share of common stock on April 28, 2026. The dividend will be payable on June 3, 2026 to shareholders of record as of the close of business on May 13, 2026. ​ A copy of the press release is attached hereto in Exhibit 99.1 and is incorporated herein by reference. ​

Results of Operations and Financial Condition. ​ On April 29, 2026, John Marshall Bancorp, Inc. (the “Company”) issued a press release announcing its results of operations and financial condition for the quarter ended March 31, 2026. A copy of the press release is included as Exhibit 99.1 to this report. ​ ​

Other Events. ​ ​ As more fully described in the attached press release dated January 28, 2026, the Board of Directors of John Marshall Bancorp, Inc. declared a quarterly cash dividend of $0.09 per outstanding share of common stock on January 27, 2026. The dividend will be payable on March 4, 2026 to shareholders of record as of the close business on February 11, 2026. ​ A copy of the press release is attached hereto in Exhibit 99.1 and is incorporated herein by reference. ​

Results of Operations and Financial Condition. ​ On January 28, 2026, John Marshall Bancorp, Inc. (the “Company”) issued a press release announcing its results of operations and financial condition for the quarter ended December 31, 2025. A copy of the press release is included as Exhibit 99.1 to this report. ​ ​

Results of Operations and Financial Condition. ​ On October 29, 2025, John Marshall Bancorp, Inc. (the “Company”) issued a press release announcing its results of operations and financial condition for the quarter ended September 30, 2025. A copy of the press release is included as Exhibit 99.1 to this report. ​ ​

Other Events. ​ ​ On August 19, 2025, the Board of Directors of John Marshall Bancorp, Inc. (Nasdaq: JMSB) (the “Company”) authorized the extension of the Company’s stock repurchase program (the “Repurchase Program”) that was originally adopted on August 18, 2021 and was set to expire on August 31, 2025. Under the Repurchase Program, the Company may repurchase up to 700,000 shares of its common stock, par value of $0.01 per share, or approximately 5% of its outstanding shares of common stock.…

Results of Operations and Financial Condition. ​ On July 23, 2025, John Marshall Bancorp, Inc. (the “Company”) issued a press release announcing its results of operations and financial condition for the quarter ended June 30, 2025. A copy of the press release is included as Exhibit 99.1 to this report. ​ ​

Results of Operations and Financial Condition. ​ On April 23, 2025, John Marshall Bancorp, Inc. (the “Company”) issued a press release announcing its results of operations and financial condition for the quarter ended March 31, 2025. A copy of the press release is included as Exhibit 99.1 to this report. ​ ​

Other Events. ​ ​ As more fully described in the attached press release dated April 23, 2025, the Board of Directors of John Marshall Bancorp, Inc. declared an annual dividend of $0.30 per outstanding share of common stock on April 22, 2025. The dividend will be payable on July 7, 2025 to shareholders of record as of the close business on June 27, 2025. ​ A copy of the press release is attached hereto in Exhibit 99.1 and is incorporated herein by reference. ​

Director — Lim P. Nguonly: Mr. Nguonly is retiring from the Boards of Directors due to no longer residing in the Company's market area and pursuing other interests.

Results of Operations and Financial Condition. ​ On January 29, 2025, John Marshall Bancorp, Inc. (the “Company”) issued a press release announcing its results of operations and financial condition for the quarter ended December 31, 2024. A copy of the press release is included as Exhibit 99.1 to this report. ​ ​

Results of Operations and Financial Condition. ​ On October 23, 2024, John Marshall Bancorp, Inc. (the “Company”) issued a press release announcing its results of operations and financial condition for the quarter ended September 30, 2024. A copy of the press release is included as Exhibit 99.1 to this report. ​ ​

Other Events. ​ On July 23, 2024, the Board of Directors of John Marshall Bancorp, Inc. (Nasdaq: JMSB) (the “Company”) authorized the extension of the Company’s stock repurchase program (the “Repurchase Program”) that was originally adopted on August 18, 2021 and was set to expire on August 31, 2024. Under the Repurchase Program, the Company may repurchase up to 700,000 shares of its common stock, par value of $0.01 per share, or approximately 5% of its outstanding shares of common stock. As…

Results of Operations and Financial Condition. ​ On July 24, 2024, John Marshall Bancorp, Inc. (the “Company”) issued a press release announcing its results of operations and financial condition for the quarter ended June 30, 2024. A copy of the press release is included as Exhibit 99.1 to this report. ​ ​

Results of Operations and Financial Condition. ​ On April 25, 2024, John Marshall Bancorp, Inc. (the “Company”) issued a press release announcing its results of operations and financial condition for the quarter ended March 31, 2024. A copy of the press release is included as Exhibit 99.1 to this report. ​ ​

Other Events. ​ As more fully described in the attached press release dated April 25, 2024, the Board of Directors of John Marshall Bancorp, Inc. declared an annual cash dividend of $0.25 per outstanding share of common stock on April 24, 2024. The dividend will be payable on July 8, 2024, to shareholders of record as of the close of business on June 28, 2024. ​ A copy of the press release is attached hereto as Exhibit 99.1 and is incorporated herein by reference. ​

Results of Operations and Financial Condition. ​ On January 24, 2024, John Marshall Bancorp, Inc. (the “Company”) issued a press release announcing its results of operations and financial condition for the quarter and year ended December 31, 2023. A copy of the press release is included as Exhibit 99.1 to this report. ​ ​