Atlantic Union Bankshares Corp

Regulatory Filings • Oct 31, 2025

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): October 31, 2025

ATLANTIC UNION BANKSHARES CORPORATION

(Exact name of registrant as specified in its charter)

Virginia	001-39325	54-1598552
(State or other jurisdiction	(Commission	(I.R.S. Employer
of incorporation)	File Number)	Identification No.)

4300 Cox Road

Glen Allen , Virginia 23060

(Address of principal executive offices, including Zip Code)

Registrant’s telephone number, including area code: (804) 633-5031

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 Instruction 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, par value $1.33 per share	​	AUB	​	New York Stock Exchange
Depositary Shares, Each Representing a 1/400 th Interest in a Share of 6.875% Perpetual Non-Cumulative Preferred Stock, Series A	​	AUB.PRA	​	New York Stock Exchange

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 7.01 Regulation FD Disclosure.

Attached as Exhibit 99.1 is a handout containing information that certain members of Atlantic Union Bankshares Corporation (the “Company”) management will use during meetings with investors, analysts, and other interested parties to assist their understanding of the Company from time to time during the fourth quarter of 2025. Other presentations and related materials will be made available as they are presented. This handout is also available under News & Events > Presentations in the Investor Relations section of the Company’s website at http://investors.atlanticunionbank.com. Exhibit 99.1 is incorporated by reference into this Item 7.01.

The information disclosed in or incorporated by reference into this Item 7.01, including Exhibit 99.1, is furnished and shall not be deemed filed for purposes of Section 18 of the Securities Exchange Act of 1934.

Item 9.01 Financial Statements and Exhibits.

(d) Exhibits.

Exhibit No .		Description of Exhibit
99.1		Atlantic Union Bankshares Corporation investor presentation
104	​	Cover Page Interactive Data File – the cover page iXBRL tags are embedded within the Inline XBRL document

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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.

Date: October 31, 2025	ATLANTIC UNION BANKSHARES CORPORATION — By:	/s/ Robert M. Gorman
		Robert M. Gorman
		Executive Vice President and
		Chief Financial Officer
​	​	​	​

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