X0306 4 2023-03-01 0 0000915912 AVALONBAY COMMUNITIES INC AVB 0001564771 O'Shea Kevin P. 4040 WILSON BOULEVARD, STE. 1000 ARLINGTON VA 22203 0 1 0 0 Chief Financial Officer Common Stock, par value $.01 per share 2023-03-01 4 F 0 3696 0.00 D 27053.8963 D 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 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 December 13, 2012 2023-03-03