VMRK

SEC source: 0001127602-24-001908 · form4.xml · nonDerivative · entry 1

Carraway Catherine · CIK 0001841519 · EVP & CHRO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 9,842

F1 · shares: Represents restricted shares of Equity Residential (the "Company") issued in connection with the settlement of an award under the Company's 2021 Long-Term Incentive Plan which are scheduled to vest on February 1, 2024.

F2 · balance_after: Direct total includes restricted shares of Equity Residential scheduled to vest in the future.

SEC source: 0001127602-24-001904 · form4.xml · derivative · entry 1

Brackenridge Alexander · CIK 0001633662 · Executive Vice President & CIO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 14,377

Underlying: Common Shares Of Beneficial Interest · 14,377 shares

Expires 2031-01-01

F1 · security: Represents restricted limited partnership interests ("RUs") in ERP Operating Limited Partnership (the "Operating Partnership"), the operating partnership of Equity Residential (the "Company"), retained in connection with the settlement of an award under the Company's 2021 Long-Term Incentive Plan.

F2 · derivative.exercise_price: 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). Such target has been reached and these RUs have converted to OP Units. 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.

F3 · derivative.exercise_date: The RUs are scheduled to vest on February 1, 2024.

SEC source: 0001127602-24-001903 · form4.xml · derivative · entry 1

Parrell Mark J. · CIK 0001414146 · Director · President & CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 60,702

Underlying: Common Shares Of Beneficial Interest · 60,702 shares

Expires 2031-01-01

F1 · security: Represents restricted limited partnership interests ("RUs") in ERP Operating Limited Partnership (the "Operating Partnership"), the operating partnership of Equity Residential (the "Company"), retained in connection with the settlement of an award under the Company's 2021 Long-Term Incentive Plan.

F2 · derivative.exercise_price: 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). Such target has been reached and these RUs have converted to OP Units. 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.

F3 · derivative.exercise_date: The RUs are scheduled to vest on February 1, 2024.

SEC source: 0001127602-23-030002 · form4.xml · derivative · entry 6

NEITHERCUT DAVID J · CIK 0001219726 · Director · Chairman of the Board

10b5-1 filing: No plan indicated

Ownership: Indirect · NSP LLC

Disclosed balance after: 0

Underlying: Common Shares Of Beneficial Interest · 36,564 shares

Expires 2024-02-06

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F5 · derivative.exercise_date: Represents share options which vested in three equal installments on February 6, 2015, February 6, 2016 and February 6, 2017.

F1 · ownership.nature: Represents shares beneficially owned by a limited liability company, of which the reporting person is the sole member.

SEC source: 0001127602-23-030002 · form4.xml · nonDerivative · entry 2

NEITHERCUT DAVID J · CIK 0001219726 · Director · Chairman of the Board

10b5-1 filing: No plan indicated

Ownership: Indirect · NSP LLC

Disclosed balance after: 0

F2 · price: The price represents the weighted average price of the shares sold. The shares were sold within a range of $60.90 to $60.98. The reporting person will provide, upon request by the SEC staff, the issuer, or any security holder of the issuer, full information regarding the number of shares sold at each separate price.

F1 · balance_after: Represents shares beneficially owned by a limited liability company, of which the reporting person is the sole member.

SEC source: 0001127602-23-030002 · form4.xml · nonDerivative · entry 1

NEITHERCUT DAVID J · CIK 0001219726 · Director · Chairman of the Board

10b5-1 filing: No plan indicated

Ownership: Indirect · NSP LLC

Disclosed balance after: 36,564

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · balance_after: Represents shares beneficially owned by a limited liability company, of which the reporting person is the sole member.

SEC source: 0001127602-23-029196 · form4.xml · derivative · entry 6

NEITHERCUT DAVID J · CIK 0001219726 · Director · Chairman of the Board

10b5-1 filing: No plan indicated

Ownership: Indirect · NSP LLC

Disclosed balance after: 36,564

Underlying: Common Shares Of Beneficial Interest · 25,000 shares

Expires 2024-02-06

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F5 · derivative.exercise_date: Represents share options which vested in three equal installments on February 6, 2015, February 6, 2016 and February 6, 2017.

F1 · ownership.nature: Represents shares beneficially owned by a limited liability company, of which the reporting person is the sole member.

SEC source: 0001127602-23-029196 · form4.xml · nonDerivative · entry 2

NEITHERCUT DAVID J · CIK 0001219726 · Director · Chairman of the Board

10b5-1 filing: No plan indicated

Ownership: Indirect · NSP LLC

Disclosed balance after: 0

F2 · price: The price represents the weighted average price of the shares sold. The shares were sold within a range of $58.16 to $58.24. The reporting person will provide, upon request by the SEC staff, the issuer, or any security holder of the issuer, full information regarding the number of shares sold at each separate price.

F1 · balance_after: Represents shares beneficially owned by a limited liability company, of which the reporting person is the sole member.

SEC source: 0001127602-23-029196 · form4.xml · nonDerivative · entry 1

NEITHERCUT DAVID J · CIK 0001219726 · Director · Chairman of the Board

10b5-1 filing: No plan indicated

Ownership: Indirect · NSP LLC

Disclosed balance after: 25,000

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · balance_after: Represents shares beneficially owned by a limited liability company, of which the reporting person is the sole member.

SEC source: 0001127602-23-028181 · form4.xml · derivative · entry 6

NEITHERCUT DAVID J · CIK 0001219726 · Director · Chairman of the Board

10b5-1 filing: No plan indicated

Ownership: Indirect · NSP LLC

Disclosed balance after: 61,564

Underlying: Common Shares Of Beneficial Interest · 25,000 shares

Expires 2024-02-06

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F4 · derivative.exercise_date: Represents share options which vested in three equal installments on February 6, 2015, February 6, 2016 and February 6, 2017.

F1 · ownership.nature: Represents shares beneficially owned by a limited liability company, of which the reporting person is the sole member.

SEC source: 0001127602-23-028181 · form4.xml · nonDerivative · entry 2

NEITHERCUT DAVID J · CIK 0001219726 · Director · Chairman of the Board

10b5-1 filing: No plan indicated

Ownership: Indirect · NSP LLC

Disclosed balance after: 0

F1 · balance_after: Represents shares beneficially owned by a limited liability company, of which the reporting person is the sole member.

SEC source: 0001127602-23-028181 · form4.xml · nonDerivative · entry 1

NEITHERCUT DAVID J · CIK 0001219726 · Director · Chairman of the Board

10b5-1 filing: No plan indicated

Ownership: Indirect · NSP LLC

Disclosed balance after: 25,000

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · balance_after: Represents shares beneficially owned by a limited liability company, of which the reporting person is the sole member.

SEC source: 0001127602-23-027588 · form4.xml · nonDerivative · entry 1

NEAL JOHN E · CIK 0001250232 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 18,072

F1 · shares: Represents shares acquired through Equity Residential's Employee Share Purchase Plan.

F2 · balance_after: Direct total includes restricted shares of Equity Residential scheduled to vest in the future.

SEC source: 0001127602-23-027584 · form4.xml · nonDerivative · entry 1

Kaufman Ian · CIK 0001381170 · Chief Accounting Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 20,005

F1 · shares: Represents shares acquired through Equity Residential's Employee Share Purchase Plan.

F2 · balance_after: Direct total includes restricted shares of Equity Residential scheduled to vest in the future.

SEC source: 0001127602-23-027578 · form4.xml · derivative · entry 7

NEITHERCUT DAVID J · CIK 0001219726 · Director · Chairman of the Board

10b5-1 filing: No plan indicated

Ownership: Indirect · NSP LLC

Disclosed balance after: 86,564

Underlying: Common Shares Of Beneficial Interest · 25,000 shares

Expires 2024-02-06

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F6 · derivative.exercise_date: Represents share options which vested in three equal installments on February 6, 2015, February 6, 2016 and February 6, 2017.

F1 · ownership.nature: Represents shares beneficially owned by a limited liability company, of which the reporting person is the sole member.

SEC source: 0001127602-23-027578 · form4.xml · nonDerivative · entry 3

NEITHERCUT DAVID J · CIK 0001219726 · Director · Chairman of the Board

10b5-1 filing: No plan indicated

Ownership: Indirect · NSP LLC

Disclosed balance after: 0

F3 · price: The price represents the weighted average price of the shares sold. The shares were sold within a range of $57.18 to $57.33. The reporting person will provide, upon request by the SEC staff, the issuer, or any security holder of the issuer, full information regarding the number of shares sold at each separate price.

F1 · balance_after: Represents shares beneficially owned by a limited liability company, of which the reporting person is the sole member.

SEC source: 0001127602-23-027578 · form4.xml · nonDerivative · entry 2

NEITHERCUT DAVID J · CIK 0001219726 · Director · Chairman of the Board

10b5-1 filing: No plan indicated

Ownership: Indirect · NSP LLC

Disclosed balance after: 1,748

F2 · price: The price represents the weighted average price of the shares sold. The shares were sold within a range of $56.15 to $57.09. The reporting person will provide, upon request by the SEC staff, the issuer, or any security holder of the issuer, full information regarding the number of shares sold at each separate price.

F1 · balance_after: Represents shares beneficially owned by a limited liability company, of which the reporting person is the sole member.

SEC source: 0001127602-23-027578 · form4.xml · nonDerivative · entry 1

NEITHERCUT DAVID J · CIK 0001219726 · Director · Chairman of the Board

10b5-1 filing: No plan indicated

Ownership: Indirect · NSP LLC

Disclosed balance after: 25,000

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · balance_after: Represents shares beneficially owned by a limited liability company, of which the reporting person is the sole member.

SEC source: 0001127602-23-027357 · form4.xml · derivative · entry 6

NEITHERCUT DAVID J · CIK 0001219726 · Director · Chairman of the Board

10b5-1 filing: No plan indicated

Ownership: Indirect · NSP LLC

Disclosed balance after: 111,564

Underlying: Common Shares Of Beneficial Interest · 25,000 shares

Expires 2024-02-06

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F4 · derivative.exercise_date: Represents share options which vested in three equal installments on February 6, 2015, February 6, 2016 and February 6, 2017.

F1 · ownership.nature: Represents shares beneficially owned by a limited liability company, of which the reporting person is the sole member.

SEC source: 0001127602-23-027357 · form4.xml · nonDerivative · entry 2

NEITHERCUT DAVID J · CIK 0001219726 · Director · Chairman of the Board

10b5-1 filing: No plan indicated

Ownership: Indirect · NSP LLC

Disclosed balance after: 0

F1 · balance_after: Represents shares beneficially owned by a limited liability company, of which the reporting person is the sole member.

SEC source: 0001127602-23-027357 · form4.xml · nonDerivative · entry 1

NEITHERCUT DAVID J · CIK 0001219726 · Director · Chairman of the Board

10b5-1 filing: No plan indicated

Ownership: Indirect · NSP LLC

Disclosed balance after: 25,000

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · balance_after: Represents shares beneficially owned by a limited liability company, of which the reporting person is the sole member.

SEC source: 0001127602-23-026845 · form4.xml · derivative · entry 3

Fenster Scott · CIK 0001722913 · EVP & General Counsel

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Shares Of Beneficial Interest · 3,512 shares

Expires 2024-02-06

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F3 · derivative.exercise_date: Represents share options which vested in approximately three equal installments on February 6, 2015, February 6, 2016 and February 6, 2017.

SEC source: 0001127602-23-026845 · form4.xml · nonDerivative · entry 1

Fenster Scott · CIK 0001722913 · EVP & General Counsel

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 27,029

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · balance_after: Direct total includes restricted shares of Equity Residential scheduled to vest in the future.

SEC source: 0000950170-23-044382 · ownership.xml · derivative · entry 8

NEITHERCUT DAVID J · CIK 0001219726 · Director · Chairman of the Board

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 420,604

Underlying: Common Shares Of Beneficial Interest · 1,052 shares

Expires not disclosed

F2 · derivative.exercise_date: The OP Units reflected in this report are previously reported Restricted Units which have automatically converted to OP Units per their terms. The OP Units do not expire and are fully vested, transferable and can be exchanged by the holder for common shares of Equity Residential (the "Company") on a one-for-one basis or, at the Company's option, for the cash value of such shares.

F2 · derivative.expiration_date: The OP Units reflected in this report are previously reported Restricted Units which have automatically converted to OP Units per their terms. The OP Units do not expire and are fully vested, transferable and can be exchanged by the holder for common shares of Equity Residential (the "Company") on a one-for-one basis or, at the Company's option, for the cash value of such shares.

SEC source: 0000950170-23-044382 · ownership.xml · derivative · entry 7

NEITHERCUT DAVID J · CIK 0001219726 · Director · Chairman of the Board

10b5-1 filing: No plan indicated

Ownership: Indirect · 2020A DN GRAT

Disclosed balance after: 934

Underlying: Common Shares Of Beneficial Interest · 1,052 shares

Expires not disclosed

F5 · shares: This transaction involved a gift of OP Units by a grantor retained annuity trust to the reporting person.

F2 · derivative.exercise_date: The OP Units reflected in this report are previously reported Restricted Units which have automatically converted to OP Units per their terms. The OP Units do not expire and are fully vested, transferable and can be exchanged by the holder for common shares of Equity Residential (the "Company") on a one-for-one basis or, at the Company's option, for the cash value of such shares.

F2 · derivative.expiration_date: The OP Units reflected in this report are previously reported Restricted Units which have automatically converted to OP Units per their terms. The OP Units do not expire and are fully vested, transferable and can be exchanged by the holder for common shares of Equity Residential (the "Company") on a one-for-one basis or, at the Company's option, for the cash value of such shares.

F4 · balance_after: Represents OP Units beneficially owned by a grantor retained annuity trust for the benefit of the reporting person.

SEC source: 0000950170-23-044382 · ownership.xml · derivative · entry 6

NEITHERCUT DAVID J · CIK 0001219726 · Director · Chairman of the Board

10b5-1 filing: No plan indicated

Ownership: Indirect · 2020A DN GRAT

Disclosed balance after: 1,986

Underlying: Common Shares Of Beneficial Interest · 1,375 shares

Expires not disclosed

F2 · derivative.exercise_date: The OP Units reflected in this report are previously reported Restricted Units which have automatically converted to OP Units per their terms. The OP Units do not expire and are fully vested, transferable and can be exchanged by the holder for common shares of Equity Residential (the "Company") on a one-for-one basis or, at the Company's option, for the cash value of such shares.

F2 · derivative.expiration_date: The OP Units reflected in this report are previously reported Restricted Units which have automatically converted to OP Units per their terms. The OP Units do not expire and are fully vested, transferable and can be exchanged by the holder for common shares of Equity Residential (the "Company") on a one-for-one basis or, at the Company's option, for the cash value of such shares.

F4 · balance_after: Represents OP Units beneficially owned by a grantor retained annuity trust for the benefit of the reporting person.

SEC source: 0000950170-23-044382 · ownership.xml · derivative · entry 5

NEITHERCUT DAVID J · CIK 0001219726 · Director · Chairman of the Board

10b5-1 filing: No plan indicated

Ownership: Indirect · LLC

Disclosed balance after: 93,050

Underlying: Common Shares Of Beneficial Interest · 1,375 shares

Expires not disclosed

F1 · shares: This transaction involved a gift of OP Units by a limited liability company of which the reporting person is the manager to a grantor retained annuity trust for the benefit of the reporting person.

F2 · derivative.exercise_date: The OP Units reflected in this report are previously reported Restricted Units which have automatically converted to OP Units per their terms. The OP Units do not expire and are fully vested, transferable and can be exchanged by the holder for common shares of Equity Residential (the "Company") on a one-for-one basis or, at the Company's option, for the cash value of such shares.

F2 · derivative.expiration_date: The OP Units reflected in this report are previously reported Restricted Units which have automatically converted to OP Units per their terms. The OP Units do not expire and are fully vested, transferable and can be exchanged by the holder for common shares of Equity Residential (the "Company") on a one-for-one basis or, at the Company's option, for the cash value of such shares.

F3 · balance_after: Represents shares beneficially owned by a limited liability company, of which the reporting person is the manager.

SEC source: 0000950170-23-044382 · ownership.xml · derivative · entry 4

NEITHERCUT DAVID J · CIK 0001219726 · Director · Chairman of the Board

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 419,552

Underlying: Common Shares Of Beneficial Interest · 1,408 shares

Expires not disclosed

F2 · derivative.exercise_date: The OP Units reflected in this report are previously reported Restricted Units which have automatically converted to OP Units per their terms. The OP Units do not expire and are fully vested, transferable and can be exchanged by the holder for common shares of Equity Residential (the "Company") on a one-for-one basis or, at the Company's option, for the cash value of such shares.

F2 · derivative.expiration_date: The OP Units reflected in this report are previously reported Restricted Units which have automatically converted to OP Units per their terms. The OP Units do not expire and are fully vested, transferable and can be exchanged by the holder for common shares of Equity Residential (the "Company") on a one-for-one basis or, at the Company's option, for the cash value of such shares.

SEC source: 0000950170-23-044382 · ownership.xml · derivative · entry 3

NEITHERCUT DAVID J · CIK 0001219726 · Director · Chairman of the Board

10b5-1 filing: No plan indicated

Ownership: Indirect · 2020 DN GRAT

Disclosed balance after: 7

Underlying: Common Shares Of Beneficial Interest · 1,408 shares

Expires not disclosed

F5 · shares: This transaction involved a gift of OP Units by a grantor retained annuity trust to the reporting person.

F2 · derivative.exercise_date: The OP Units reflected in this report are previously reported Restricted Units which have automatically converted to OP Units per their terms. The OP Units do not expire and are fully vested, transferable and can be exchanged by the holder for common shares of Equity Residential (the "Company") on a one-for-one basis or, at the Company's option, for the cash value of such shares.

F2 · derivative.expiration_date: The OP Units reflected in this report are previously reported Restricted Units which have automatically converted to OP Units per their terms. The OP Units do not expire and are fully vested, transferable and can be exchanged by the holder for common shares of Equity Residential (the "Company") on a one-for-one basis or, at the Company's option, for the cash value of such shares.

F4 · balance_after: Represents OP Units beneficially owned by a grantor retained annuity trust for the benefit of the reporting person.

SEC source: 0000950170-23-044382 · ownership.xml · derivative · entry 2

NEITHERCUT DAVID J · CIK 0001219726 · Director · Chairman of the Board

10b5-1 filing: No plan indicated

Ownership: Indirect · 2020 DN GRAT

Disclosed balance after: 1,415

Underlying: Common Shares Of Beneficial Interest · 1,375 shares

Expires not disclosed

F2 · derivative.exercise_date: The OP Units reflected in this report are previously reported Restricted Units which have automatically converted to OP Units per their terms. The OP Units do not expire and are fully vested, transferable and can be exchanged by the holder for common shares of Equity Residential (the "Company") on a one-for-one basis or, at the Company's option, for the cash value of such shares.

F2 · derivative.expiration_date: The OP Units reflected in this report are previously reported Restricted Units which have automatically converted to OP Units per their terms. The OP Units do not expire and are fully vested, transferable and can be exchanged by the holder for common shares of Equity Residential (the "Company") on a one-for-one basis or, at the Company's option, for the cash value of such shares.

F4 · balance_after: Represents OP Units beneficially owned by a grantor retained annuity trust for the benefit of the reporting person.

SEC source: 0000950170-23-044382 · ownership.xml · derivative · entry 1

NEITHERCUT DAVID J · CIK 0001219726 · Director · Chairman of the Board

10b5-1 filing: No plan indicated

Ownership: Indirect · LLC

Disclosed balance after: 94,425

Underlying: Common Shares Of Beneficial Interest · 1,375 shares

Expires not disclosed

F1 · shares: This transaction involved a gift of OP Units by a limited liability company of which the reporting person is the manager to a grantor retained annuity trust for the benefit of the reporting person.

F2 · derivative.exercise_date: The OP Units reflected in this report are previously reported Restricted Units which have automatically converted to OP Units per their terms. The OP Units do not expire and are fully vested, transferable and can be exchanged by the holder for common shares of Equity Residential (the "Company") on a one-for-one basis or, at the Company's option, for the cash value of such shares.

F2 · derivative.expiration_date: The OP Units reflected in this report are previously reported Restricted Units which have automatically converted to OP Units per their terms. The OP Units do not expire and are fully vested, transferable and can be exchanged by the holder for common shares of Equity Residential (the "Company") on a one-for-one basis or, at the Company's option, for the cash value of such shares.

F3 · balance_after: Represents shares beneficially owned by a limited liability company, of which the reporting person is the manager.

SEC source: 0001127602-23-022709 · form4.xml · nonDerivative · entry 1

Kaufman Ian · CIK 0001381170 · Chief Accounting Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 19,965

F1 · shares: Represents shares acquired through Equity Residential's Employee Share Purchase Plan.

F2 · balance_after: Direct total includes restricted shares of Equity Residential scheduled to vest in the future.

SEC source: 0001127602-23-022545 · form4.xml · nonDerivative · entry 1

Manelis Michael L · CIK 0001691784 · Executive Vice President & COO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 22,844

F1 · price: The price represents the weighted average price of the shares sold. The shares were sold within a range of $66.03 to $66.04. The reporting person will provide, upon request by the SEC staff, the issuer, or any security holder of the issuer, full information regarding the number of shares sold at each separate price.

F2 · balance_after: Direct total includes restricted shares of Equity Residential scheduled to vest in the future.

SEC source: 0001127602-23-019002 · form4.xml · nonDerivative · entry 1

STERRETT STEPHEN E · CIK 0001235739 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 19,951

F1 · shares: Represents restricted shares granted for prospective service from the 2023 Annual Meeting of Shareholders to the 2024 Annual Meeting of Shareholders which are scheduled to vest on June 15, 2024.

F2 · balance_after: Direct total includes restricted shares of Equity Residential scheduled to vest in the future.

SEC source: 0001127602-23-018998 · form4.xml · nonDerivative · entry 1

SHAPIRO MARK S · CIK 0001345978 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 15,360

F1 · shares: Represents restricted shares granted for prospective service from the 2023 Annual Meeting of Shareholders to the 2024 Annual Meeting of Shareholders which are scheduled to vest on June 15, 2024.

F2 · balance_after: Direct total includes restricted shares of Equity Residential scheduled to vest in the future.

SEC source: 0001127602-23-018994 · form4.xml · derivative · entry 1

NEITHERCUT DAVID J · CIK 0001219726 · Director · Chairman of the Board

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 36,333

Underlying: Common Shares Of Beneficial Interest · 36,333 shares

Expires 2033-06-15

F1 · shares: Represents share options granted for prospective service from the 2023 Annual Meeting of Shareholders to the 2024 Annual Meeting of Shareholders.

SEC source: 0001127602-23-018990 · form4.xml · derivative · entry 4

NEAL JOHN E · CIK 0001250232 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 7,849

Underlying: Common Shares Of Beneficial Interest · 7,849 shares

Expires 2033-06-15

F5 · shares: Represents share options granted for prospective service from the 2023 Annual Meeting of Shareholders to the 2024 Annual Meeting of Shareholders.

SEC source: 0001127602-23-018990 · form4.xml · nonDerivative · entry 1

NEAL JOHN E · CIK 0001250232 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 15,988

F1 · shares: Represents restricted shares granted for prospective service from the 2023 Annual Meeting of Shareholders to the 2024 Annual Meeting of Shareholders which are scheduled to vest on June 15, 2024.

F2 · balance_after: Direct total includes restricted shares of Equity Residential scheduled to vest in the future.

SEC source: 0001127602-23-018986 · form4.xml · derivative · entry 1

Huque Tahsinul Zia · CIK 0001794630 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 3,059

Underlying: Common Shares Of Beneficial Interest · 3,059 shares

Expires 2033-06-15

F1 · security: On June 15, 2023, the reporting person elected to receive a grant of Series 2023D restricted limited partnership interests ("RUs") in ERP Operating Limited Partnership (the "OP"), the OP of Equity Residential (the "Company"), in connection with the Company's annual grant of long-term compensation for prospective service from the 2023 Annual Meeting of Shareholders to the 2024 Annual Meeting of Shareholders.

F2 · derivative.exercise_price: RUs are a class of partnership interest that automatically convert into an equal number of limited partnership interests of the OP ("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 restrictions, OP Units are exchangeable by the holder for common shares of the Company on a one-for-one basis or the 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.

F3 · derivative.exercise_date: The RUs are scheduled to vest on June 15, 2024. In addition, the RUs (including any OP Units into which they may automatically convert) are subject to a holding restriction until June 15, 2025.

SEC source: 0001127602-23-018984 · form4.xml · nonDerivative · entry 1

HABEN MARY KAY · CIK 0001190910 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 9,720

F1 · shares: Represents restricted shares granted for prospective service from the 2023 Annual Meeting of Shareholders to the 2024 Annual Meeting of Shareholders which are scheduled to vest on June 15, 2024.

F2 · balance_after: Direct total includes restricted shares of Equity Residential scheduled to vest in the future.

SEC source: 0001127602-23-018981 · form4.xml · nonDerivative · entry 1

BYNOE LINDA · CIK 0001206129 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 22,876

F1 · shares: Represents restricted shares granted for prospective service from the 2023 Annual Meeting of Shareholders to the 2024 Annual Meeting of Shareholders which are scheduled to vest on June 15, 2024.

F2 · balance_after: Direct total includes restricted shares of Equity Residential scheduled to vest in the future.

SEC source: 0001127602-23-018976 · form4.xml · derivative · entry 1

Aman Angela M · CIK 0001538554 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 3,059

Underlying: Common Shares Of Beneficial Interest · 3,059 shares

Expires 2033-06-15

F1 · security: On June 15, 2023, the reporting person elected to receive a grant of Series 2023D restricted limited partnership interests ("RUs") in ERP Operating Limited Partnership (the "OP"), the OP of Equity Residential (the "Company"), in connection with the Company's annual grant of long-term compensation for prospective service from the 2023 Annual Meeting of Shareholders to the 2024 Annual Meeting of Shareholders.

F2 · derivative.exercise_price: RUs are a class of partnership interest that automatically convert into an equal number of limited partnership interests of the OP ("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 restrictions, OP Units are exchangeable by the holder for common shares of the Company on a one-for-one basis or the 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.

F3 · derivative.exercise_date: The RUs are scheduled to vest on June 15, 2024. In addition, the RUs (including any OP Units into which they may automatically convert) are subject to a holding restriction until June 15, 2025.

SEC source: 0001127602-23-018050 · form4.xml · derivative · entry 3

BYNOE LINDA · CIK 0001206129 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Shares Of Beneficial Interest · 3,354 shares

Expires 2023-06-13

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

SEC source: 0001127602-23-018050 · form4.xml · nonDerivative · entry 1

BYNOE LINDA · CIK 0001206129 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 20,013

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · balance_after: Direct total includes restricted shares of Equity Residential scheduled to vest in the future.

SEC source: 0001127602-23-015905 · form4.xml · nonDerivative · entry 1

Kaufman Ian · CIK 0001381170 · Chief Accounting Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 19,936

F1 · shares: Represents shares acquired through Equity Residential's Employee Share Purchase Plan.

F2 · balance_after: Direct total includes restricted shares of Equity Residential scheduled to vest in the future.

SEC source: 0001127602-23-014676 · form4.xml · derivative · entry 10

SHAPIRO MARK S · CIK 0001345978 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Shares Of Beneficial Interest · 29,250 shares

Expires 2030-06-25

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

SEC source: 0001127602-23-014676 · form4.xml · derivative · entry 9

SHAPIRO MARK S · CIK 0001345978 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Shares Of Beneficial Interest · 6,481 shares

Expires 2024-06-12

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

SEC source: 0001127602-23-014676 · form4.xml · derivative · entry 8

SHAPIRO MARK S · CIK 0001345978 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Shares Of Beneficial Interest · 6,704 shares

Expires 2023-06-13

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

SEC source: 0001127602-23-014676 · form4.xml · nonDerivative · entry 6

SHAPIRO MARK S · CIK 0001345978 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 12,497

F4 · price: The price represents the weighted average price of the shares sold. The shares were sold within a range of $61.70 to $62.17. The reporting person will provide, upon request by the SEC staff, the issuer, or any security holder of the issuer, full information regarding the number of shares sold at each separate price.

F1 · balance_after: Direct total includes restricted shares of Equity Residential scheduled to vest in the future.

SEC source: 0001127602-23-014676 · form4.xml · nonDerivative · entry 5

SHAPIRO MARK S · CIK 0001345978 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 41,747

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · balance_after: Direct total includes restricted shares of Equity Residential scheduled to vest in the future.