AvalonBay COO covers taxes with 7,700 shares

AvalonBay Communities Chief Operating Officer Sean J. Breslin reported a routine share disposition related to equity award vesting.

Rhea-AI Filing Summary

AvalonBay Communities Chief Operating Officer Sean J. Breslin reported a routine share disposition related to equity award vesting. The company withheld 7,700 shares of common stock at $177.23 per share to cover tax withholding obligations on vested restricted stock and performance share units under its equity incentive plan. Following this tax-withholding transaction, Breslin directly owns about 79,098 shares of AvalonBay common stock, including restricted shares.

Insider Trade Summary

Exercise Price or Tax Liability: 7,700 shares

Exercise Price or Tax Liability 1 txn

Insider Breslin Sean J.

Role Chief Operating Officer

Type	Security	Shares	Price	Value
Exercise Price or Tax Liability	Common Stock, par value $.01 per share	7,700	$177.23	$1.36M

Holdings After Transaction: Common Stock, par value $.01 per share — 79,098.3692 shares (Direct)

Footnotes (2)

1. F1. Reflects withholding of shares by the Company to cover tax withholding obligations on the vesting of restricted stock and performance share unit awards under the Company's Second Amended and Restated 2009 Equity Incentive Plan. The original Form 4 filing has been amended to reflect the correct number of shares withheld.
2. F2. The amount of securities owned following the reported transaction reflects direct ownership of all shares of common stock, including restricted shares.

Key Figures

Tax-withholding shares: 7,700 shares Withholding price: $177.23 per share Post-transaction holdings: 79,098.3692 shares

3 metrics

Tax-withholding shares 7,700 shares Shares withheld to cover tax obligations on vesting awards

Withholding price $177.23 per share Value assigned to shares withheld for tax

Post-transaction holdings 79,098.3692 shares Direct common stock ownership after tax-withholding transaction

Key Terms

restricted stock, performance share unit awards, tax withholding obligations, Equity Incentive Plan, +1 more

5 terms

restricted stock financial

"on the vesting of restricted stock and performance share unit awards"

Shares granted to an individual that carry limits on transfer or sale until certain conditions are met, such as staying with the company for a set time or hitting performance targets. Think of them as a locked gift that gradually opens; for investors they matter because they affect how many shares may enter the market later, signal management incentives and potential dilution, and reveal confidence in future company performance.

performance share unit awards financial

"vesting of restricted stock and performance share unit awards under the Company's Second Amended"

tax withholding obligations financial

"withholding of shares by the Company to cover tax withholding obligations on the vesting"

Equity Incentive Plan financial

"under the Company's Second Amended and Restated 2009 Equity Incentive Plan"

An equity incentive plan is a program that gives employees, executives or directors the right to receive company stock or options to buy stock as part of their pay. Think of it as offering slices of future company profit to motivate people to boost long‑term performance; for investors it matters because it can align employee goals with shareholder value but also increases the number of shares outstanding, which can dilute existing ownership.

Form 4/A regulatory

"The original Form 4 filing has been amended to reflect the correct number"

Form 4/A is an amended filing that corrects or updates an earlier Form 4, the mandatory report that insiders (like company executives, directors, or large shareholders) must file when their ownership stakes change. Think of it as an edited receipt showing who bought or sold stock and when; investors use it to track insider confidence, detect potential conflicts, and spot trading patterns that might signal future company prospects.

FAQ

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

What insider transaction did AvalonBay (AVB) report for Sean J. Breslin?

AvalonBay’s COO Sean J. Breslin reported a tax-related share disposition. The company withheld 7,700 common shares to satisfy tax obligations on vested restricted stock and performance share unit awards under its equity incentive plan.

Was the AvalonBay (AVB) COO’s Form 4/A transaction an open-market sale?

No, the AvalonBay COO’s Form 4/A transaction was not an open-market sale. It reflects shares withheld by the company to cover tax liabilities upon vesting of equity awards, a common non-market administrative event for executive compensation.

How many AvalonBay (AVB) shares were used for tax withholding?

AvalonBay withheld 7,700 common shares from COO Sean J. Breslin. These shares were valued at $177.23 per share and were applied to satisfy tax withholding obligations tied to vesting restricted stock and performance share unit awards.

How many AvalonBay (AVB) shares does the COO hold after this filing?

After the reported tax-withholding disposition, AvalonBay’s COO Sean J. Breslin directly owns 79,098.3692 common shares. This total includes restricted shares and reflects his direct ownership position following the equity-award vesting event.

Why was AvalonBay’s (AVB) original Form 4 amended?

The Form 4 was amended to correct the number of shares withheld for taxes. AvalonBay clarified that the updated Form 4/A shows the accurate 7,700 shares used to cover tax obligations from vesting restricted stock and performance share unit awards.

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

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Accepted by SEC EDGAR 06/22/2026 - 04:19 PM EDT 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^*

Breslin Sean J.

(Last) (First) (Middle)

C/O AVALONBAY COMMUNITIES, INC.

4040 WILSON BOULEVARD STE 1000

(Street)

ARLINGTON VIRGINIA 22203

(City) (State) (Zip)

UNITED STATES

(Country)

2. Issuer Name and Ticker or Trading Symbol
AVALONBAY COMMUNITIES INC [ AVB ]

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

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

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
03/01/2026

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

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

4. If Amendment, Date of Original Filed (Month/Day/Year)
03/03/2026

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, par value $.01 per share	03/01/2026		F		7,700(1)	D	$177.23	79,098.3692(2)	D

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. Reflects withholding of shares by the Company to cover tax withholding obligations on the vesting of restricted stock and performance share unit awards under the Company's Second Amended and Restated 2009 Equity Incentive Plan. The original Form 4 filing has been amended to reflect the correct number of shares withheld.

2. The amount of securities owned following the reported transaction reflects direct ownership of all shares of common stock, including restricted shares.

	Edward M. Schulman, as attorney-in-fact under Power of Attorney dated May 26, 2009	06/22/2026
	** 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.
* Form 4: SEC 1474 (03-26)