Entry into a Material Definitive Agreement. On July 30, 2026, Atlantic Union Bankshares Corporation (the “Company”) completed an underwritten public offering (the “Offering”) of $250 million in aggregate principal amount of its 6.25% Fixed-to-Floating Rate Subordinated Notes due 2036 (the “Notes”). The Notes were issued pursuant to the Subordinated Indenture, dated as of December 5, 2016 (the “Base Indenture”), between the Company and U.S. Bank Trust Company, National Association, as trustee…

Other Events. On July 27, 2026, Atlantic Union Bankshares Corporation (the “Company”) filed a preliminary prospectus supplement to the prospectus, dated August 6, 2024, contained in its registration statement on Form S-3ASR (File No. 333-281290) filed with the Securities and Exchange Commission (the "SEC") on August 6, 2024, pursuant to which the Company is proposing to offer and sell a newly issued series of Fixed-to-Floating Rate Subordinated Notes due 2036 (the “Notes”). In connection with…

Entry into a Material Definitive Agreement. On July 27, 2026, Atlantic Union Bankshares Corporation (the “Company”) entered into an underwriting agreement (the “Underwriting Agreement”) with Keefe, Bruyette & Woods, Inc. and Piper Sandler & Co., as representatives to the underwriters listed in Schedule I thereto, with respect to the offer and sale of $250 million aggregate principal amount of its 6.25% Fixed-to-Floating Rate Subordinated Notes due 2036 (the “Notes”) at a public offering price…

Other Events. ​ On July 23, 2026, Atlantic Union Bankshares Corporation (the “Company”) issued a press release announcing that its Board of Directors (the “Board”) declared a quarterly dividend of $0.37 per share of common stock. The dividend is payable on August 21, 2026 to common shareholders of record as of August 7, 2026. ​ The Company also announced that the Board declared a quarterly dividend on the Company’s 6.875% Perpetual Non-Cumulative Preferred Stock, Series A (the “Series A prefe…

Results of Operations and Financial Condition. ​ On July 21, 2026, Atlantic Union Bankshares Corporation (the “Company”) issued a press release announcing its financial results for the second quarter of 2026. A copy of the press release is being furnished as Exhibit 99.1 hereto and is incorporated herein by reference. ​ The information disclosed in or incorporated by reference into this Item 2.02, including Exhibit 99.1, is furnished and shall not be deemed filed for purposes of Section 18 of…

Other Events. ​ Share Repurchase Program ​ On May 5, 2026, Atlantic Union Bankshares Corporation (the “Company”) announced that its Board of Directors (the “Board”) authorized a share repurchase program to purchase up to $250 million of the Company’s common stock in open market transactions or privately negotiated transactions, including pursuant to a trading plan in accordance with Rule 10b5-1 and/or Rule 10b-18 under the Securities Exchange Act of 1934, as amended. ​ The authorization permi…

Other Events. ​ On May 1, 2026, Atlantic Union Bankshares Corporation (the “Company”) announced that it had completed the sale (the “Transaction”) of the Company’s interest (held by the Company’s indirect subsidiary, Union Insurance Group, LLC) in Bearing Insurance Group, LLC to an unaffiliated third party, effective May 1, 2026. Based solely on information available to the Company on the date hereof, the Company estimates that the Company will recognize a pre-tax gain of approximately $32.3…

Results of Operations and Financial Condition. ​ On April 21, 2026, Atlantic Union Bankshares Corporation (the “Company”) issued a press release announcing its financial results for the first quarter of 2026. A copy of the press release is being furnished as Exhibit 99.1 hereto and is incorporated herein by reference. ​ The information disclosed in or incorporated by reference into this Item 2.02, including Exhibit 99.1, is furnished and shall not be deemed filed for purposes of Section 18 of…

Chief Financial Officer — Alexander D. Dodd: Robert M. Gorman is retiring as Chief Financial Officer, and Alexander D. Dodd has been appointed to succeed him.

Other Events. ​ On January 29, 2026, Atlantic Union Bankshares Corporation (the “Company”) issued a press release announcing that its Board of Directors (the “Board”) declared a quarterly dividend of $0.37 per share of common stock. The dividend is payable on February 27, 2026 to common shareholders of record as of February 13, 2026. ​ The Company also announced that the Board declared a quarterly dividend on the Company’s 6.875% Perpetual Non-Cumulative Preferred Stock, Series A (the “Series…

Results of Operations and Financial Condition. ​ On January 22, 2026, Atlantic Union Bankshares Corporation (the “Company”) issued a press release announcing its financial results for the fourth quarter and full year 2025. A copy of the press release is being furnished as Exhibit 99.1 hereto and is incorporated herein by reference. ​ The information disclosed in or incorporated by reference into this Item 2.02, including Exhibit 99.1, is furnished and shall not be deemed filed for purposes of…

Other Events. ​ On October 30, 2025, Atlantic Union Bankshares Corporation (the “Company”) issued a press release announcing that its Board of Directors (the “Board”) declared a quarterly dividend of $0.37 per share of common stock. The dividend is payable on November 28, 2025 to common shareholders of record as of November 14, 2025. ​ The Company also announced that the Board declared a quarterly dividend on the Company’s 6.875% Perpetual Non-Cumulative Preferred Stock, Series A (the “Series…

Results of Operations and Financial Condition. ​ On October 23, 2025, Atlantic Union Bankshares Corporation (the “Company”) issued a press release announcing its financial results for the third quarter of 2025. A copy of the press release is being furnished as Exhibit 99.1 hereto and is incorporated herein by reference. ​ The information disclosed in or incorporated by reference into this Item 2.02, including Exhibit 99.1, is furnished and shall not be deemed filed for purposes of Section 18…

Results of Operations and Financial Condition. ​ On July 24, 2025, Atlantic Union Bankshares Corporation (the “Company”) issued a press release announcing its financial results for the second quarter of 2025. A copy of the press release is being furnished as Exhibit 99.1 hereto and is incorporated herein by reference. ​ The information disclosed in or incorporated by reference into this Item 2.02, including Exhibit 99.1, is furnished and shall not be deemed filed for purposes of Section 18 of…

Other Events. ​ On July 24, 2025, Atlantic Union Bankshares Corporation (the “Company”) issued a press release announcing that its Board of Directors (the “Board”) declared a quarterly dividend of $0.34 per share of common stock. The dividend is payable on August 18, 2025 to common shareholders of record as of August 4, 2025. ​ The Company also announced that the Board declared a quarterly dividend on the Company’s 6.875% Perpetual Non-Cumulative Preferred Stock, Series A (the “Series A prefe…

Other Events. ​ On June 26, 2025, Atlantic Union closed on the sale of approximately $2 billion of the Bank’s performing CRE loans acquired from Sandy Spring Bank to vehicles affiliated with Blackstone Real Estate Debt Strategies. The CRE loan sale was contemplated and announced as part of Atlantic Union’s merger with Sandy Spring Bancorp, Inc., which closed on April 1, 2025. The CRE loan pool was sold in the low 90s as a percentage of par value, and the Bank retained customer-facing servicin…

CFO — Robert M. Gorman: The CFO is retiring with a planned transition period and search for a successor, indicating an orderly succession rather than a sudden loss.

Director: The filing reports the appointment of new directors to board committees following a merger, which is a routine governance update rather than an executive departure.

The filing describes the approval of a new stock incentive plan, which is a compensatory arrangement rather than a change in management personnel.

Other Events. ​ On May 6, 2025, Atlantic Union Bankshares Corporation (the “Company”) issued a press release announcing that its Board of Directors (the “Board”) declared a quarterly dividend of $0.34 per share of common stock. The dividend is payable on June 6, 2025 to common shareholders of record as of May 23, 2025. ​ The Company also announced that the Board declared a quarterly dividend on the Company’s 6.875% Perpetual Non-Cumulative Preferred Stock, Series A (the “Series A preferred st…

Results of Operations and Financial Condition. ​ On April 24, 2025, Atlantic Union Bankshares Corporation (the “Company”) issued a press release announcing its financial results for the first quarter of 2025. A copy of the press release is being furnished as Exhibit 99.1 hereto and is incorporated herein by reference. ​ The information disclosed in or incorporated by reference into this Item 2.02, including Exhibit 99.1, is furnished and shall not be deemed filed for purposes of Section 18 of…

Creation of a Direct Financial Obligation or an Obligation under an Off-Balance Sheet Arrangement of a Registrant. In connection with the Merger, at the Effective Time, the Company assumed all of Sandy Spring’s obligations as required by (i) that certain Indenture, dated as of November 5, 2019, as supplemented by that certain First Supplemental Indenture, dated as of November 5, 2019 (collectively, the “2019 Indenture”), with respect to Sandy Spring’s $175,000,000 aggregate principal amount o…

Director: The filing discloses the appointment of three new directors to fill vacancies created by a board expansion following a merger, which is a standard governance event rather than a departure of a sitting executive.

Completion of Acquisition or Disposition of Assets. Pursuant to the Merger Agreement, on the Closing Date, Sandy Spring merged with and into the Company (the “Merger”), with the Company continuing as the surviving corporation in the Merger (the “Surviving Entity”). Immediately following the effective time of the Merger (the “Effective Time”), Sandy Spring’s wholly owned banking subsidiary, Sandy Spring Bank, merged with and into the Company’s wholly owned banking subsidiary, Atlantic Union Ba…

Other Events. ​ On January 31, 2025, Atlantic Union Bankshares Corporation (the “Company”) issued a press release announcing that its Board of Directors (the “Board”) declared a quarterly dividend of $0.34 per share of common stock. The dividend is payable on February 28, 2025 to common shareholders of record as of February 14, 2025. ​ The Company also announced that the Board declared a quarterly dividend on the Company’s 6.875% Perpetual Non-Cumulative Preferred Stock, Series A (the “Series…