Atlantic Union Bankshares (AUB) EVP logs PSU vesting and share withholding

Rhea-AI Filing Summary

Atlantic Union Bankshares Corp EVP Shawn E. O'Brien reported mixed equity award activity in company common stock. On February 19, 2026, he acquired 4,012 shares through vesting of previously granted Performance Share Units, with 1,956 shares withheld to cover tax obligations. After these changes, he directly holds 26,152.479 shares, plus 218.2614 shares held indirectly through an ESOP trust.

SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

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Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

O'Brien Shawn E.

(Last) (First) (Middle)

C/O ATLANTIC UNION BANKSHARES CORP

4300 COX ROAD

(Street)

GLEN ALLEN VA 23060

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
Atlantic Union Bankshares Corp [ AUB ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	EVP

3. Date of Earliest Transaction (Month/Day/Year)
02/19/2026

4. If Amendment, Date of Original Filed (Month/Day/Year)

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Common Stock	02/19/2026		A		4,012(1)	A	$0	28,108.479(2)	D
Common Stock	02/19/2026		F		1,956(3)	D	$0	26,152.479	D
Common Stock								218.2614	I	By Trustee of ESOP

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:

1. Vesting of Performance Share Units (PSUs) that were granted February 23, 2023.

2. Includes additional shares acquired through dividend reinvestment since the reporting person's last Form 4.

3. Shares withheld upon vesting of PSUs to satisfy tax withholding obligations.

	/s/ Rachel R. Lape, Attorney-in-Fact	02/23/2026
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
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FAQ

What insider transactions did AUB executive Shawn O'Brien report?

Shawn O'Brien, an EVP at Atlantic Union Bankshares Corp (AUB), reported equity award activity involving common stock. Performance Share Units vested into 4,012 shares, and 1,956 shares were withheld to satisfy tax obligations, leaving him with over 26,000 shares held directly.

How many AUB shares did Shawn O'Brien acquire in the latest Form 4?

Shawn O'Brien acquired 4,012 shares of Atlantic Union Bankshares common stock through vesting of Performance Share Units. These PSUs were originally granted on February 23, 2023 and converted into shares as they vested according to the company’s equity compensation terms.

Why were some of Shawn O'Brien's AUB shares disposed of in this filing?

The filing shows 1,956 Atlantic Union Bankshares shares were withheld upon PSU vesting to satisfy tax withholding obligations. This tax-withholding disposition is a non-cash mechanism where the company retains shares instead of the executive paying taxes separately in cash.

How many Atlantic Union Bankshares shares does Shawn O'Brien now hold?

After the reported transactions, Shawn O'Brien directly holds 26,152.479 shares of Atlantic Union Bankshares common stock. He also has an additional 218.2614 shares held indirectly through an ESOP trust, reflecting retirement-plan related holdings associated with his employment.

What do the footnotes in Shawn O'Brien's AUB Form 4 explain?

The footnotes clarify that the acquisition reflects vesting of Performance Share Units granted February 23, 2023, includes additional shares from dividend reinvestment since the prior Form 4, and notes that 1,956 shares were withheld upon vesting to cover required tax withholding obligations.

Are any of Shawn O'Brien's AUB shares held indirectly?

Yes. The Form 4 reports 218.2614 Atlantic Union Bankshares shares held indirectly by a trustee of an ESOP. This indicates part of his ownership is through an employee stock ownership plan, separate from his directly held common stock position.