Results of Operations and Financial Condition. On August 5, 2026, Gladstone Commercial Corporation issued a press release announcing its financial results for the second quarter ended June 30, 2026. The text of the press release is included as Exhibit 99.1 to this Current Report on Form 8-K. Pursuant to the rules and regulations of the Securities and Exchange Commission, such exhibit and the information set forth therein and herein are deemed to be furnished and shall not be deemed to be filed.

Director — George 'Chip' Stelljes, III: Mr. Stelljes was elected to the Board and appointed to several committees.

Results of Operations and Financial Condition. On May 5, 2026, Gladstone Commercial Corporation issued a press release announcing its financial results for the first quarter ended March 31, 2026. The text of the press release is included as Exhibit 99.1 to this Current Report on Form 8-K. Pursuant to the rules and regulations of the Securities and Exchange Commission, such exhibit and the information set forth therein and herein are deemed to be furnished and shall not be deemed to be filed.

CEO — David Gladstone: David Gladstone stepped down as CEO, and Arthur 'Buzz' Cooper was appointed as the new CEO.

Results of Operations and Financial Condition. On February 18, 2026, Gladstone Commercial Corporation issued a press release announcing its financial results for the fourth quarter ended December 31, 2025. The text of the press release is included as Exhibit 99.1 to this Current Report on Form 8-K. Pursuant to the rules and regulations of the Securities and Exchange Commission, such exhibit and the information set forth therein and herein are deemed to be furnished and shall not be deemed to…

Entry into a Material Definitive Agreement. On December 15, 2025, Gladstone Commercial Corporation (the “Company”), Gladstone Commercial Limited Partnership (the “Partnership”), the majority-owned operating partnership of the Company, entered into a Note Purchase Agreement (the “Agreement”) with the institutional investors named therein (the “Purchasers”) in connection with a private placement of senior guaranteed notes of the Partnership. Pursuant to the Agreement, the Partnership issued to…

Creation of a Direct Financial Obligation. The information set forth under

Results of Operations and Financial Condition. On November 3, 2025, Gladstone Commercial Corporation issued a press release announcing its financial results for the third quarter ended September 30, 2025. The text of the press release is included as Exhibit 99.1 to this Current Report on Form 8-K. Pursuant to the rules and regulations of the Securities and Exchange Commission, such exhibit and the information set forth therein and herein are deemed to be furnished and shall not be deemed to b…

Entry into a Material Definitive Agreement. On October 10, 2025, Gladstone Commercial Corporation (the “Company”), through its subsidiary Gladstone Commercial Limited Partnership entered into the Fifth Amended and Restated Credit Agreement and Other Loan Documents with KeyBank National Association, as agent, sole book manager and joint lead arranger, Bank of Amercia, N.A., The Huntington Bank and Fifth Third Bank National Association, as joint lead arrangers and co-syndication agents, and cer…

Creation of a Direct Financial Obligation or an Obligation under an Off-Balance Sheet Arrangement of a Registrant. The information set forth under

Other Events. As previously reported in its Current Report on Form 8-K filed with the Securities and Exchange Commission (the “SEC”) on March 26, 2024, Gladstone Commercial Corporation, a Maryland corporation (the “ Company ”), and its operating partnership, Gladstone Commercial Limited Partnership, a majority-owned, consolidated subsidiary of the Company and a Delaware limited partnership (the “ Operating Partnership ”), on March 26, 2024, entered into Amendment No. 1 (“ Amend ment No. 1 ”)…

Results of Operations and Financial Condition. On August 6, 2025, Gladstone Commercial Corporation issued a press release announcing its financial results for the second quarter ended June 30, 2025. The text of the press release is included as Exhibit 99.1 to this Current Report on Form 8-K. Pursuant to the rules and regulations of the Securities and Exchange Commission, such exhibit and the information set forth therein and herein are deemed to be furnished and shall not be deemed to be filed.

Creation of a Direct Financial Obligation or an Obligation under an Off-Balance Sheet Arrangement of a Registrant. The information set forth under

Entry into a Material Definitive Agreement. On May 30, 2025, Gladstone Commercial Limited Partnership (the “Operating Partnership”), the operating partnership through which Gladstone Commercial Corporation (the “Company”) conducts substantially all of its business activities, entered into a Term Loan Agreement by and among the Operating Partnership, as borrower, the subsidiary guarantors named therein, the Company as a guarantor, KeyBank National Association (“KeyBank”), as lender and agent,…

Results of Operations and Financial Condition. On May 7, 2025, Gladstone Commercial Corporation issued a press release announcing its financial results for the first quarter ended March 31, 2025. The text of the press release is included as Exhibit 99.1 to this Current Report on Form 8-K. Pursuant to the rules and regulations of the Securities and Exchange Commission, such exhibit and the information set forth therein and herein are deemed to be furnished and shall not be deemed to be filed.

Results of Operations and Financial Condition. On February 18, 2025, Gladstone Commercial Corporation issued a press release announcing its financial results for the fourth quarter and year ended December 31, 2024. The text of the press release is included as Exhibit 99.1 to this Current Report on Form 8-K. Pursuant to the rules and regulations of the Securities and Exchange Commission, such exhibit and the information set forth therein and herein are deemed to be furnished and shall not be d…

Entry into a Material Definitive Agreement. On December 18, 2024, Gladstone Commercial Corporation (the “Company”), Gladstone Commercial Limited Partnership (the “Partnership”), the majority-owned operating partnership of the Company, entered into a Note Purchase Agreement (the “Agreement”) with the institutional investors named therein (the “Purchasers”) in connection with a private placement of senior guaranteed notes of the Partnership. Pursuant to the Agreement, the Partnership issued to…

Creation of a Direct Financial Obligation. The information set forth under

Director — Paul W. Adelgren: Paul W. Adelgren is resigning from the board of directors.

Chief Operating Officer — Terry Lee Brubaker: Terry Lee Brubaker is retiring as Chief Operating Officer, and a successor search is underway.

Results of Operations and Financial Condition. On November 4, 2024, Gladstone Commercial Corporation issued a press release announcing its financial results for the third quarter ended September 30, 2024. The text of the press release is included as Exhibit 99.1 to this Current Report on Form 8-K. Pursuant to the rules and regulations of the Securities and Exchange Commission, such exhibit and the information set forth therein and herein are deemed to be furnished and shall not be deemed to b…

Director — Katharine Cornell Gorka: Election of Katharine Cornell Gorka to the Board of Directors as an independent director.

Results of Operations and Financial Condition. On August 6, 2024, Gladstone Commercial Corporation issued a press release announcing its financial results for the second quarter ended June 30, 2024. The text of the press release is included as Exhibit 99.1 to this Current Report on Form 8-K. Pursuant to the rules and regulations of the Securities and Exchange Commission, such exhibit and the information set forth therein and herein are deemed to be furnished and shall not be deemed to be filed.

Results of Operations and Financial Condition. On May 6, 2024, Gladstone Commercial Corporation issued a press release announcing its financial results for the first quarter ended March 31, 2024. The text of the press release is included as Exhibit 99.1 to this Current Report on Form 8-K. Pursuant to the rules and regulations of the Securities and Exchange Commission, such exhibit and the information set forth therein and herein are deemed to be furnished and shall not be deemed to be filed.

Entry into a Material Definitive Agreement On March 26, 2024, Gladstone Commercial Corporation, a Maryland corporation (the “ Company ”), and its operating partnership, Gladstone Commercial Limited Partnership, a majority-owned, consolidated subsidiary of the Company and a Delaware limited partnership, entered into Amendment No. 1 to the At-the-Market Equity Offering Sales Agreement (the “ Amendment ”), dated March 3, 2023, with BofA Securities, Inc., Goldman Sachs & Co. LLC, Robert W. Baird…