Parrell Mark J.

SEC source: 0000910606-26-000065 · primary_01.xml · nonDerivative · entry 1

Parrell Mark J. · CIK 0001414146 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 686

F1 · price: Represents director's fees paid in stock pursuant to Regency's Omnibus Incentive Plan.

SEC source: 0000910606-26-000050 · primary_01.xml · derivative · entry 2

Parrell Mark J. · CIK 0001414146 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 2,150

Underlying: Common Stock · 2,150 shares

Expires not disclosed

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.

F2 · derivative.exercise_date: Shares vest 100% on May 6, 2027.

F2 · derivative.expiration_date: Shares vest 100% on May 6, 2027.

SEC source: 0000910606-26-000050 · primary_01.xml · nonDerivative · entry 1

Parrell Mark J. · CIK 0001414146 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 352

F1 · price: Represents director's fees paid in stock pursuant to Regency's Omnibus Incentive Plan.

SEC source: 0000906107-26-000013 · form4.xml · derivative · entry 4

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

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 144,350

Underlying: Common Shares Of Beneficial Interest · 144,350 shares

Expires 2036-02-09

F5 · derivative.exercise_date: Represents share options scheduled to vest in approximately three equal installments on February 9, 2027, February 9, 2028 and February 9, 2029.

SEC source: 0000906107-26-000013 · form4.xml · nonDerivative · entry 1

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

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 41,889

F1 · shares: Represents restricted shares scheduled to vest on February 9, 2029.

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

SEC source: 0000906107-26-000005 · form4.xml · derivative · entry 1

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

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 106,959

Underlying: Common Shares Of Beneficial Interest · 106,959 shares

Expires 2033-01-01

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 2023 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). 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.

F3 · derivative.exercise_date: The RUs are scheduled to vest on February 9, 2026.

SEC source: 0000910606-26-000007 · primary_01.xml · derivative · entry 1

Parrell Mark J. · CIK 0001414146 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 619

Underlying: Common Stock · 619 shares

Expires not disclosed

F1 · derivative.exercise_date: Shares vest 100% on the first anniversary of the date of grant and reflect partial grant of shares for the reporting person's service on the Board of Directors of the Issuer until the next annual meeting of Shareholders.

F1 · derivative.expiration_date: Shares vest 100% on the first anniversary of the date of grant and reflect partial grant of shares for the reporting person's service on the Board of Directors of the Issuer until the next annual meeting of Shareholders.

SEC source: 0001127602-25-003556 · form4.xml · derivative · entry 2

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

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 22,095

Underlying: Common Shares Of Beneficial Interest · 22,095 shares

Expires 2035-02-05

F2 · security: On February 5, 2025, the reporting person received a grant of Series 2025B restricted limited partnership interests ("RUs") in ERP Operating Limited Partnership (the "OP"), the operating partnership of Equity Residential (the "Company"), in lieu of restricted shares of the Company as part of the Company's annual grant of long-term compensation.

F3 · 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.

F4 · derivative.exercise_date: The Restricted Units are scheduled to vest on February 5, 2028.

SEC source: 0001127602-25-003556 · form4.xml · derivative · entry 1

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

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 113,455

Underlying: Common Shares Of Beneficial Interest · 113,455 shares

Expires 2035-02-05

F1 · derivative.exercise_date: Represents share options scheduled to vest in approximately three equal installments on February 5, 2026, February 5, 2027 and February 5, 2028.

SEC source: 0001127602-25-001740 · form4.xml · derivative · entry 1

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

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 68,655

Underlying: Common Shares Of Beneficial Interest · 68,655 shares

Expires 2032-01-01

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 2022 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). 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.

F3 · derivative.exercise_date: The RUs are scheduled to vest on February 5, 2025.

SEC source: 0001127602-24-003384 · form4.xml · derivative · entry 2

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

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 58,335

Underlying: Common Shares Of Beneficial Interest · 58,335 shares

Expires 2034-02-01

F4 · derivative.exercise_date: Represents share options scheduled to vest in three equal installments on February 1, 2025, February 1, 2026 and February 1, 2027.

SEC source: 0001127602-24-003384 · form4.xml · derivative · entry 1

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

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 33,480

Underlying: Common Shares Of Beneficial Interest · 33,480 shares

Expires 2034-02-01

F1 · security: On February 1, 2024, the reporting person received a grant of Series 2024B restricted limited partnership interests ("RUs") in ERP Operating Limited Partnership (the "OP"), the operating partnership of Equity Residential (the "Company"), in lieu of restricted shares of the Company as part of the Company's annual grant of long-term compensation.

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 Restricted Units are scheduled to vest on February 1, 2027.

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: 0001127602-23-005888 · form4.xml · derivative · entry 2

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 23,431

Underlying: Common Shares Of Beneficial Interest · 23,431 shares

Expires 2033-02-15

F2 · security: On February 15, 2023, the reporting person received a grant of Series 2023B restricted limited partnership interests ("RUs") in ERP Operating Limited Partnership (the "OP"), the operating partnership of Equity Residential (the "Company"), in lieu of restricted shares of the Company as part of the Company's annual grant of long-term compensation. 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.

F2 · derivative.exercise_price: On February 15, 2023, the reporting person received a grant of Series 2023B restricted limited partnership interests ("RUs") in ERP Operating Limited Partnership (the "OP"), the operating partnership of Equity Residential (the "Company"), in lieu of restricted shares of the Company as part of the Company's annual grant of long-term compensation. 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 Restricted Units are scheduled to vest on February 15, 2026.

SEC source: 0001127602-23-005888 · form4.xml · derivative · entry 1

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 116,755

Underlying: Common Shares Of Beneficial Interest · 116,755 shares

Expires 2033-02-15

F1 · derivative.exercise_date: Represents share options scheduled to vest in approximately three equal installments on February 15, 2024, February 15, 2025 and February 15, 2026.

SEC source: 0001127602-23-002181 · form4.xml · derivative · entry 1

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 11,370

Underlying: Common Shares Of Beneficial Interest · 11,370 shares

Expires 2030-01-01

F1 · derivative.exercise_price: Represents restricted limited partnership interests ("Restricted Units") 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 2020 Long-Term Incentive Plan. Restricted Units 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 Restricted Units 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 Restricted Units 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.

F2 · derivative.exercise_date: The Restricted Units are scheduled to vest on February 13, 2023.

SEC source: 0001127602-22-014942 · form4.xml · nonDerivative · entry 1

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 21,980

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

SEC source: 0001127602-22-003576 · form4.xml · derivative · entry 2

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 24,467

Underlying: Common Shares Of Beneficial Interest · 24,467 shares

Expires 2032-02-03

F3 · security: On February 3, 2022, the reporting person received a grant of Series 2022C restricted limited partnership interests ("Restricted Units") in ERP Operating Limited Partnership (the "Operating Partnership), the operating partnership of Equity Residential (the "Company"), as an alternative to cash in connection with all or a portion of their performance bonus. Restricted Units 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 Restricted Units reaches a specified target for federal income tax purposes (provided such target is reached within ten years of issuance). Subject to certain 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 Restricted Units reflected in this report also include any OP Units into which such Restricted Units automatically convert.

F3 · derivative.exercise_price: On February 3, 2022, the reporting person received a grant of Series 2022C restricted limited partnership interests ("Restricted Units") in ERP Operating Limited Partnership (the "Operating Partnership), the operating partnership of Equity Residential (the "Company"), as an alternative to cash in connection with all or a portion of their performance bonus. Restricted Units 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 Restricted Units reaches a specified target for federal income tax purposes (provided such target is reached within ten years of issuance). Subject to certain 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 Restricted Units reflected in this report also include any OP Units into which such Restricted Units automatically convert.

F4 · derivative.exercise_date: The Restricted Units vested on February 3, 2022, the date of the grant and remain subject to a two year hold requirement.

SEC source: 0001127602-22-003576 · form4.xml · derivative · entry 1

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 30,349

Underlying: Common Shares Of Beneficial Interest · 30,349 shares

Expires 2032-02-03

F1 · security: On February 3, 2022, the reporting person received a grant of Series 2022B restricted limited partnership interests ("Restricted Units") in ERP Operating Limited Partnership (the "Operating Partnership"), the operating partnership of Equity Residential (the "Company"), in lieu of restricted shares of the Company as part of the Company's annual grant of long-term compensation. Restricted Units 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 Restricted Units 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 Restricted Units reflected in this report also include any OP Units into which such Restricted Units automatically convert.

F1 · derivative.exercise_price: On February 3, 2022, the reporting person received a grant of Series 2022B restricted limited partnership interests ("Restricted Units") in ERP Operating Limited Partnership (the "Operating Partnership"), the operating partnership of Equity Residential (the "Company"), in lieu of restricted shares of the Company as part of the Company's annual grant of long-term compensation. Restricted Units 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 Restricted Units 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 Restricted Units reflected in this report also include any OP Units into which such Restricted Units automatically convert.

F2 · derivative.exercise_date: The Restricted Units are scheduled to vest on February 3, 2025.

SEC source: 0001127602-22-002048 · form4.xml · derivative · entry 1

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 27,166

Underlying: Common Shares Of Beneficial Interest · 27,166 shares

Expires 2029-01-01

F1 · derivative.exercise_price: Represents restricted limited partnership interests ("Restricted Units") 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 2019 Long-Term Incentive Plan. Restricted Units 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 Restricted Units 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 Restricted Units 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.

F2 · derivative.exercise_date: The Restricted Units are scheduled to vest on February 3, 2022.

SEC source: 0001127602-21-006229 · form4.xml · derivative · entry 2

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 9,329

Underlying: Common Shares Of Beneficial Interest · 9,329 shares

Expires 2031-02-12

F2 · security: On February 12, 2021, the reporting person received a grant of Series 2021B restricted limited partnership interests ("Restricted Units") in ERP Operating Limited Partnership (the "Operating Partnership"), the operating partnership of Equity Residential (the "Company"), in lieu of restricted shares of the Company as part of the Company's annual grant of long-term compensation. Restricted Units 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 Restricted Units 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 Restricted Units reflected in this report also include any OP Units into which such Restricted Units automatically convert.

F2 · derivative.exercise_price: On February 12, 2021, the reporting person received a grant of Series 2021B restricted limited partnership interests ("Restricted Units") in ERP Operating Limited Partnership (the "Operating Partnership"), the operating partnership of Equity Residential (the "Company"), in lieu of restricted shares of the Company as part of the Company's annual grant of long-term compensation. Restricted Units 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 Restricted Units 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 Restricted Units reflected in this report also include any OP Units into which such Restricted Units automatically convert.

F3 · derivative.exercise_date: The Restricted Units are scheduled to vest on February 12, 2024.

SEC source: 0001127602-21-006229 · form4.xml · derivative · entry 1

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 75,462

Underlying: Common Shares Of Beneficial Interest · 75,462 shares

Expires 2031-02-12

F1 · derivative.exercise_date: Represents share options scheduled to vest in three equal installments on February 12, 2022, February 12, 2023 and February 12, 2024.

SEC source: 0001127602-21-002593 · form4.xml · derivative · entry 1

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 11,812

Underlying: Common Shares Of Beneficial Interest · 11,812 shares

Expires 2028-01-01

F1 · derivative.exercise_price: Represents restricted limited partnership interests ("Restricted Units") 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 2018 Long-Term Incentive Plan. Restricted Units 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 Restricted Units 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 Restricted Units 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.

F2 · derivative.exercise_date: The Restricted Units are scheduled to vest on February 12, 2021.

SEC source: 0001127602-20-006688 · form4.xml · derivative · entry 5

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 82,975

Underlying: Common Shares Of Beneficial Interest · 50,000 shares

Expires 2028-02-01

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 scheduled to vest in three equal installments on February 1, 2019, February 1, 2020 and February 1, 2021.

SEC source: 0001127602-20-006688 · form4.xml · nonDerivative · entry 2

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 20,397

F1 · price: The price represents the weighted average price of the shares sold. The shares were sold within a range of $85.32 to $85.63. 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.

SEC source: 0001127602-20-006688 · form4.xml · nonDerivative · entry 1

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 70,397

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: 0001127602-20-003521 · form4.xml · derivative · entry 1

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 30,291

Underlying: Common Shares Of Beneficial Interest · 30,291 shares

Expires 2030-01-31

F1 · derivative.exercise_price: On January 31, 2020, the reporting person received a grant of Series 2020B restricted limited partnership interests ("Restricted Units") in ERP Operating Limited Partnership (the "Operating Partnership"), the operating partnership of Equity Residential (the "Company"), in lieu of restricted shares of the Company as part of the Company's annual grant of long-term compensation. Restricted Units 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 Restricted Units 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 Restricted Units reflected in this report also include any OP Units into which such Restricted Units automatically convert.

F2 · derivative.exercise_date: The Restricted Units are scheduled to vest on January 31, 2023.

SEC source: 0001127602-20-002084 · form4.xml · derivative · entry 1

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 25,395

Underlying: Common Shares Of Beneficial Interest · 25,395 shares

Expires 2027-01-01

F1 · derivative.exercise_price: Represents restricted limited partnership interests ("Restricted Units") 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 2017 Long-Term Incentive Plan. Restricted Units 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 Restricted Units 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 Restricted Units 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.

F2 · derivative.exercise_date: The Restricted Units are scheduled to vest on January 30, 2020.

SEC source: 0001127602-19-019364 · form4.xml · derivative · entry 5

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 29,693

Underlying: Common Shares Of Beneficial Interest · 59,385 shares

Expires 2027-02-02

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 scheduled to vest in approximately three equal installments on February 2, 2018, February 2, 2019 and February 2, 2020.

SEC source: 0001127602-19-019364 · form4.xml · nonDerivative · entry 2

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 20,397

F1 · price: The price represents the weighted average price of the shares sold. The shares were sold within a range of $76.33 to $76.85. 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.

SEC source: 0001127602-19-019364 · form4.xml · nonDerivative · entry 1

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 79,782

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: 0001127602-19-004149 · form4.xml · derivative · entry 1

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 19,932

Underlying: Common Shares Of Beneficial Interest · 19,932 shares

Expires 2029-02-01

F1 · derivative.exercise_price: On February 1, 2019, the reporting person received a grant of Series 2019C restricted limited partnership interests ("Restricted Units") in ERP Operating Limited Partnership (the "Operating Partnership"), the operating partnership of Equity Residential (the "Company"), in lieu of restricted shares of the Company as part of the Company's annual grant of long-term compensation. Restricted Units 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 Restricted Units 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 Restricted Units reflected in this report also include any OP Units into which such Restricted Units automatically convert.

F2 · derivative.exercise_date: The Restricted Units are scheduled to vest on February 1, 2022.

SEC source: 0001127602-19-002468 · form4.xml · nonDerivative · entry 1

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 24,509

F1 · shares: Represents restricted shares of Equity Residential (the "Company") issued in connection with the settlement of an award under the Company's 2016 Long-Term Incentive Plan which are scheduled to vest on January 31, 2019.

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

SEC source: 0001127602-18-033781 · form4.xml · derivative · entry 8

Parrell Mark J. · CIK 0001414146 · President

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Shares Of Beneficial Interest · 20,912 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 options which vested on February 6, 2015, February 6, 2016 and February 6, 2017.

SEC source: 0001127602-18-033781 · form4.xml · derivative · entry 7

Parrell Mark J. · CIK 0001414146 · President

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Shares Of Beneficial Interest · 16,382 shares

Expires 2022-02-03

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 options which vested in three equal installments on February 3, 2013, February 3, 2014 and February 3, 2015.

SEC source: 0001127602-18-033781 · form4.xml · nonDerivative · entry 4

Parrell Mark J. · CIK 0001414146 · President

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 20,397

F3 · price: The price represents the weighted average price of the shares sold. The shares were sold within a range of $67.47 to $67.79. 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: 0001127602-18-033781 · form4.xml · nonDerivative · entry 3

Parrell Mark J. · CIK 0001414146 · President

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 41,309

F2 · price: The price represents the weighted average price of the shares sold. The shares were sold within a range of $67.47 to $67.64. 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: 0001127602-18-033781 · form4.xml · nonDerivative · entry 2

Parrell Mark J. · CIK 0001414146 · President

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 57,691

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: 0001127602-18-033781 · form4.xml · nonDerivative · entry 1

Parrell Mark J. · CIK 0001414146 · President

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 36,779

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: 0001127602-18-004609 · form4.xml · nonDerivative · entry 1

Parrell Mark J. · CIK 0001414146 · Executive Vice President & CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 20,397

F1 · shares: Represents the sale of shares for the payment of tax liability incurred upon the vesting of restricted shares.

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

SEC source: 0001127602-18-004022 · form4.xml · derivative · entry 2

Parrell Mark J. · CIK 0001414146 · Executive Vice President & CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 10,314

Underlying: Common Shares Of Beneficial Interest · 10,314 shares

Expires 2028-02-01

F2 · security: On February 1, 2018, the reporting person elected to receive a grant of Series 2018C restricted limited partnership interests ("Restricted Units") in ERP Operating Limited Partnership (the "Operating Partnership), the operating partnership of Equity Residential (the "Company"), as an alternative to cash in connection with all or a portion of their performance bonus. Restricted Units 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 Restricted Units 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 Restricted Units reflected in this report also include any OP Units into which such Restricted Units automatically convert.

F2 · derivative.exercise_price: On February 1, 2018, the reporting person elected to receive a grant of Series 2018C restricted limited partnership interests ("Restricted Units") in ERP Operating Limited Partnership (the "Operating Partnership), the operating partnership of Equity Residential (the "Company"), as an alternative to cash in connection with all or a portion of their performance bonus. Restricted Units 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 Restricted Units 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 Restricted Units reflected in this report also include any OP Units into which such Restricted Units automatically convert.

F3 · derivative.exercise_date: The Restricted Units vested on February 1, 2018, the date of the grant and remain subject to a two year hold requirement.

SEC source: 0001127602-18-004022 · form4.xml · derivative · entry 1

Parrell Mark J. · CIK 0001414146 · Executive Vice President & CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 132,975

Underlying: Common Shares Of Beneficial Interest · 132,975 shares

Expires 2028-02-01

F1 · derivative.exercise_date: Represents share options scheduled to vest in three equal installments on February 1, 2019, February 1, 2020 and February 1, 2021.

SEC source: 0001127602-18-002069 · form4.xml · derivative · entry 1

Parrell Mark J. · CIK 0001414146 · Executive Vice President & CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 2,594

Underlying: Common Shares Of Beneficial Interest · 2,594 shares

Expires 2025-02-05

F1 · security: Represents restricted limited partnership interests ("Restricted Units") 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 2015 Long-Term Incentive Plan. Restricted Units 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 Restricted Units 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 Restricted Units reflected in this report also include any OP Units into which such Restricted Units automatically convert.

F1 · derivative.exercise_price: Represents restricted limited partnership interests ("Restricted Units") 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 2015 Long-Term Incentive Plan. Restricted Units 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 Restricted Units 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 Restricted Units reflected in this report also include any OP Units into which such Restricted Units automatically convert.

F2 · derivative.exercise_date: The Restricted Units are scheduled to vest on February 5, 2018.

SEC source: 0001127602-17-031238 · form4.xml · derivative · entry 10

Parrell Mark J. · CIK 0001414146 · Executive Vice President & CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 16,382

Underlying: Common Shares Of Beneficial Interest · 45,400 shares

Expires 2022-02-03

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 options which vested in three equal installments on February 3, 2013, February 3, 2014 and February 3, 2015.

SEC source: 0001127602-17-031238 · form4.xml · nonDerivative · entry 6

Parrell Mark J. · CIK 0001414146 · Executive Vice President & CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 27,752

F3 · price: The price represents the weighted average price of the shares sold. The shares were sold within a range of $68.00 to $68.055. 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 the Company scheduled to vest in the future.

SEC source: 0001127602-17-031238 · form4.xml · nonDerivative · entry 5

Parrell Mark J. · CIK 0001414146 · Executive Vice President & CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 73,152

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 the Company scheduled to vest in the future.

SEC source: 0001127602-17-031238 · form4.xml · derivative · entry 9

Parrell Mark J. · CIK 0001414146 · Executive Vice President & CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 61,782

Underlying: Common Shares Of Beneficial Interest · 3,000 shares

Expires 2022-02-03

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 options which vested in three equal installments on February 3, 2013, February 3, 2014 and February 3, 2015.

SEC source: 0001127602-17-031238 · form4.xml · nonDerivative · entry 4

Parrell Mark J. · CIK 0001414146 · Executive Vice President & CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 27,752

F2 · price: The price represents the weighted average price of the shares sold. The shares were sold within a range of $68.00 to $68.04. 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.

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

SEC source: 0001127602-17-031238 · form4.xml · nonDerivative · entry 3

Parrell Mark J. · CIK 0001414146 · Executive Vice President & CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 30,752

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 the Company scheduled to vest in the future.

SEC source: 0001127602-17-031238 · form4.xml · derivative · entry 8

Parrell Mark J. · CIK 0001414146 · Executive Vice President & CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 64,782

Underlying: Common Shares Of Beneficial Interest · 1,600 shares

Expires 2022-02-03

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 options which vested in three equal installments on February 3, 2013, February 3, 2014 and February 3, 2015.