X0609 4 2026-08-31 0000906107 VIVMARK RESIDENTIAL VMRK 0001722913 Fenster Scott false TWO NORTH RIVERSIDE PLAZA, SUITE 400 CHICAGO IL 60606 1 EVP & General Counsel 0 Common Shares Of Beneficial Interest 2026-08-31 4 A 0 4584 0 A 23022 D Common Shares Of Beneficial Interest 360 I 401(k) Plan Common Shares Of Beneficial Interest 28514 I Revocable Trust Restricted Units 2026-08-31 4 A 0 9233 0 A 2034-01-01 Common Shares Of Beneficial Interest 9233 9233 D Restricted Units 2026-08-31 4 A 0 4792 0 A 2035-01-01 Common Shares Of Beneficial Interest 4792 4792 D Restricted Units 2026-08-31 4 A 0 14397 0 A 2036-01-01 Common Shares Of Beneficial Interest 14397 14397 D Represents restricted shares of Vivmark Residential (formerly known as Equity Residential) (the "Company") issued in connection with the settlement of an award under the Company's 2025 Long-Term Incentive Plan which are scheduled to vest on January 3, 2028. Direct total includes restricted shares of the Company scheduled to vest in the future. Represents shares acquired through profit sharing contributions and dividend reinvestment activity in the reporting person's account with the Equity Residential Advantage 401(k) Retirement Savings Plan, a plan qualified under Section 401(k) of the Internal Revenue Code of 1986, as amended. Such shares represent acquisitions through July 16, 2026. Represents shares beneficially owned by a trust for the benefit of the reporting person. Represents restricted limited partnership interests ("RUs") in ERP Operating Limited Partnership (the "Operating Partnership"), the operating partnership of the Company, retained in connection with the settlement of an award under the Company's 2024 Long-Term Incentive Plan. RUs are a class of partnership interest that automatically convert into an equal number of limited partnership interests of the Operating Partnership ("OP Units") when the capital account related to the RUs reaches a specified target for federal income tax purposes (provided such target is reached within ten years of issuance). Subject to the vesting requirements of the grant and certain other conditions, OP Units are exchangeable by the holder for common shares of the Company on a one-for-one basis or cash value of such shares, at the Company's option. The RUs reflected in this report also include any OP Units into which such RUs automatically convert. The RUs are scheduled to vest on January 4, 2027. Represents RUs in the Operating Partnership retained in connection with the settlement of an award under the Company's 2025 Long-Term Incentive Plan. The RUs are scheduled to vest on January 3, 2028. Represents RUs in the Operating Partnership retained in connection with the settlement of an award under the Company's 2026 Long-Term Incentive Plan. The RUs are scheduled to vest on January 2, 2029. /s/ Samantha Thompson, Attorney-in-fact 2026-09-02