Atlantic Union EVP granted shares, withholds for taxes

Atlantic Union Bankshares Corp executive vice president Shawn E. O'Brien reported routine equity compensation and related tax withholding in company stock.

Rhea-AI Filing Summary

Atlantic Union Bankshares Corp executive vice president Shawn E. O'Brien reported routine equity compensation and related tax withholding in company stock.

On March 2, 2026, he acquired 7,281 shares of common stock as a grant of time-based restricted stock, at a stated price of $0.00 per share, increasing his directly held shares to 32,041.479. The award is subject to a vesting schedule.

On February 27, 2026, 466 shares of common stock were disposed of at $37.06 per share to cover tax withholding on the vesting of a restricted stock award, leaving 24,760.479 shares held directly after that transaction. He also holds 272.2739 shares indirectly through a trustee of the ESOP.

Insider Trade Summary

3 transactions reported

Mixed 3 txns

Insider O'Brien Shawn E.

Role EVP

Type	Security	Shares	Price	Value
Grant/Award	Common Stock	7,281	$0.00	$0.00
Exercise Price or Tax Liability	Common Stock	466	$37.06	$17K
holding	Common Stock	--	--	--

Holdings After Transaction: Common Stock — 32,041.479 shares (Direct); Common Stock — 272.2739 shares (Indirect, By Trustee of ESOP)

Footnotes (2)

1. F1. Shares withheld on vesting of restricted stock award to cover tax withholding.
2. F2. Award of time-based restricted stock subject to a vesting schedule.

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

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

Shawn O’Brien reported a grant of 7,281 shares of Atlantic Union Bankshares common stock and a 466-share disposition for tax withholding. Both transactions relate to restricted stock awards rather than open-market trading, reflecting standard executive equity compensation and tax settlement activity.

Was the AUB Form 4 transaction an insider buy or sell?

The Form 4 shows both an acquisition and a disposition. O’Brien received 7,281 shares as a restricted stock grant and had 466 shares withheld to cover taxes on vesting, so the disposition is a tax-withholding event, not an open-market sale or discretionary share sale.

How many AUB shares does Shawn O'Brien hold after these transactions?

After the reported transactions, O’Brien directly holds 32,041.479 Atlantic Union Bankshares common shares and indirectly holds 272.2739 shares through a trustee of the ESOP. These figures reflect his reported ownership following the restricted stock grant and related tax-withholding disposition.

What price was used for the AUB tax-withholding share disposition?

The 466-share disposition to cover tax withholding was recorded at $37.06 per Atlantic Union Bankshares share. This price applies specifically to the tax-withholding transaction connected to a restricted stock vesting, rather than to a voluntary open-market sale by the executive.

What type of stock award did AUB grant to Shawn O'Brien?

O’Brien received a time-based restricted stock award of 7,281 common shares, recorded at $0.00 per share. The award is subject to a vesting schedule, meaning the shares become fully owned over time as specified conditions are met under the company’s equity program.

Does the AUB Form 4 indicate indirect ownership for Shawn O'Brien?

Yes. In addition to direct holdings, the Form 4 shows 272.2739 Atlantic Union Bankshares shares held indirectly “By Trustee of ESOP.” This reflects ownership through an employee stock ownership plan rather than shares registered directly in O’Brien’s own name.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Accepted by SEC EDGAR 03/03/2026 - 02:07 PM Learn about SEC filing dates

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

OMB APPROVAL

OMB Number:			3235-0287
Estimated average burden
hours per response:			0.5

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)
02/27/2026

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	02/27/2026		F		466(1)	D	$37.06	24,760.479	D
Common Stock	03/02/2026		A		7,281(2)	A	$0	32,041.479	D
Common Stock								272.2739	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. Shares withheld on vesting of restricted stock award to cover tax withholding.

2. Award of time-based restricted stock subject to a vesting schedule.

	/s/ Rachael R. Lape, Attorney-in-Fact	03/03/2026
	** 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.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.