CONSIDINE TERRY

SEC source: 0001140361-24-032291 · form4.xml · derivative · entry 6

CONSIDINE TERRY · CIK 0001229384 · Director · CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Class A Common Stock · 238,530 shares

Expires 2025-02-12

F1 · kind: Prior to the transactions reported on this form, Mr. Considine had an overall equity stake in the company of 6,384,311 shares, partnership units, and options, the details of which are more fully described in footnotes 2 and 3 below.

F11 · price: At the Effective Time, each option outstanding immediately prior to the Effective Time, whether vested or unvested, was automatically canceled and converted into the right to receive an amount in cash equal to the fair value of such option as determined in accordance with the terms of the Merger Agreement.

F10 · derivative.exercise_date: The option was fully vested.

SEC source: 0001140361-24-032291 · form4.xml · derivative · entry 5

CONSIDINE TERRY · CIK 0001229384 · Director · CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Class A Common Stock · 384,809 shares

Expires 2026-01-26

F1 · kind: Prior to the transactions reported on this form, Mr. Considine had an overall equity stake in the company of 6,384,311 shares, partnership units, and options, the details of which are more fully described in footnotes 2 and 3 below.

F11 · price: At the Effective Time, each option outstanding immediately prior to the Effective Time, whether vested or unvested, was automatically canceled and converted into the right to receive an amount in cash equal to the fair value of such option as determined in accordance with the terms of the Merger Agreement.

F10 · derivative.exercise_date: The option was fully vested.

SEC source: 0001140361-24-032291 · form4.xml · derivative · entry 4

CONSIDINE TERRY · CIK 0001229384 · Director · CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Class A Common Stock · 127,218 shares

Expires 2027-01-31

F1 · kind: Prior to the transactions reported on this form, Mr. Considine had an overall equity stake in the company of 6,384,311 shares, partnership units, and options, the details of which are more fully described in footnotes 2 and 3 below.

F11 · price: At the Effective Time, each option outstanding immediately prior to the Effective Time, whether vested or unvested, was automatically canceled and converted into the right to receive an amount in cash equal to the fair value of such option as determined in accordance with the terms of the Merger Agreement.

F10 · derivative.exercise_date: The option was fully vested.

SEC source: 0001140361-24-032291 · form4.xml · derivative · entry 3

CONSIDINE TERRY · CIK 0001229384 · Director · CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Partnership Common Units · 1,311,065 shares

Expires not disclosed

F6 · derivative.exercise_price: Pursuant to the Seventh Amended and Restated Agreement of Limited Partnership (the "Partnership Agreement") of Apartment Income REIT, L.P. ("AIR LP"), a holder of LTIP Units and LTIP II Units had the right to convert all or a portion of such holder's vested units into Partnership Common Units (as such term is defined in the Partnership Agreement). Pursuant to the Partnership Agreement, holders of Partnership Common Units had the right to require AIR LP to redeem such holder's Partnership Common Units, which redemption may have been for Class A Common Stock of Apartment Income REIT Corp. or a cash amount equal to the value of such shares of Class A Common Stock pursuant to the formula set forth in the Partnership Agreement. In connection with the Merger Agreement, such units are no longer redeemable for Class A Common Stock and now are only redeemable for cash based on the value of AIR LP Partnership Common Units, as determined by an amendment to the Partnership Agreement.

F1 · kind: Prior to the transactions reported on this form, Mr. Considine had an overall equity stake in the company of 6,384,311 shares, partnership units, and options, the details of which are more fully described in footnotes 2 and 3 below.

F6 · price: Pursuant to the Seventh Amended and Restated Agreement of Limited Partnership (the "Partnership Agreement") of Apartment Income REIT, L.P. ("AIR LP"), a holder of LTIP Units and LTIP II Units had the right to convert all or a portion of such holder's vested units into Partnership Common Units (as such term is defined in the Partnership Agreement). Pursuant to the Partnership Agreement, holders of Partnership Common Units had the right to require AIR LP to redeem such holder's Partnership Common Units, which redemption may have been for Class A Common Stock of Apartment Income REIT Corp. or a cash amount equal to the value of such shares of Class A Common Stock pursuant to the formula set forth in the Partnership Agreement. In connection with the Merger Agreement, such units are no longer redeemable for Class A Common Stock and now are only redeemable for cash based on the value of AIR LP Partnership Common Units, as determined by an amendment to the Partnership Agreement.

F7 · derivative.exercise_date: The units are fully vested.

F9 · derivative.expiration_date: The LTIP II Units may be converted at any time prior to the ten year anniversary of the date of grant.

SEC source: 0001140361-24-032291 · form4.xml · derivative · entry 2

CONSIDINE TERRY · CIK 0001229384 · Director · CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Partnership Common Units · 114,768 shares

Expires not disclosed

F6 · derivative.exercise_price: Pursuant to the Seventh Amended and Restated Agreement of Limited Partnership (the "Partnership Agreement") of Apartment Income REIT, L.P. ("AIR LP"), a holder of LTIP Units and LTIP II Units had the right to convert all or a portion of such holder's vested units into Partnership Common Units (as such term is defined in the Partnership Agreement). Pursuant to the Partnership Agreement, holders of Partnership Common Units had the right to require AIR LP to redeem such holder's Partnership Common Units, which redemption may have been for Class A Common Stock of Apartment Income REIT Corp. or a cash amount equal to the value of such shares of Class A Common Stock pursuant to the formula set forth in the Partnership Agreement. In connection with the Merger Agreement, such units are no longer redeemable for Class A Common Stock and now are only redeemable for cash based on the value of AIR LP Partnership Common Units, as determined by an amendment to the Partnership Agreement.

F1 · kind: Prior to the transactions reported on this form, Mr. Considine had an overall equity stake in the company of 6,384,311 shares, partnership units, and options, the details of which are more fully described in footnotes 2 and 3 below.

F6 · price: Pursuant to the Seventh Amended and Restated Agreement of Limited Partnership (the "Partnership Agreement") of Apartment Income REIT, L.P. ("AIR LP"), a holder of LTIP Units and LTIP II Units had the right to convert all or a portion of such holder's vested units into Partnership Common Units (as such term is defined in the Partnership Agreement). Pursuant to the Partnership Agreement, holders of Partnership Common Units had the right to require AIR LP to redeem such holder's Partnership Common Units, which redemption may have been for Class A Common Stock of Apartment Income REIT Corp. or a cash amount equal to the value of such shares of Class A Common Stock pursuant to the formula set forth in the Partnership Agreement. In connection with the Merger Agreement, such units are no longer redeemable for Class A Common Stock and now are only redeemable for cash based on the value of AIR LP Partnership Common Units, as determined by an amendment to the Partnership Agreement.

F7 · derivative.exercise_date: The units are fully vested.

F8 · derivative.expiration_date: The LTIP Units do not expire.

SEC source: 0001140361-24-032291 · form4.xml · nonDerivative · entry 1

CONSIDINE TERRY · CIK 0001229384 · Director · CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

F1 · security: Prior to the transactions reported on this form, Mr. Considine had an overall equity stake in the company of 6,384,311 shares, partnership units, and options, the details of which are more fully described in footnotes 2 and 3 below.

F2 · security: Prior to the Merger (as defined below), the reporting person held 3,469 shares directly and 16,000 in a trust for which the reporting person disclaimed beneficial ownership. In addition, the reporting person holds 3,585,840 common partnership units and equivalents in Apartment Income REIT, L.P. ("OP Units"). The 3,585,840 OP Units include 196,178 OP Units held directly by the reporting person, 179,735 OP Units held by an entity in which the reporting person has sole voting and investment power, 1,591,672 OP Units held by Titahotwo Limited Partnership RLLLP ("Titahotwo"), an entity for which the reporting person serves as the general partner and holds a 0.5% ownership interest, and 192,422 OP Units held by the reporting person's spouse, for which the reporting person disclaims beneficial ownership except to the extent of his pecuniary interest therein. This number also includes 114,768 LTIP Units and 1,311,065 LTIP II Units.

F3 · security: In addition to the shares held directly, the reporting person holds 2,028,352 unvested partnership units, the vesting of which is subject to certain performance criteria. Upon conclusion of the performance period and depending on the results thereof, the reporting person may vest in all, some or none of the partnership units; provided, that certain of such partnership units may be subject to continued service-based vesting conditions.

F4 · kind: On June 28, 2024, the Issuer was acquired by Apex Purchaser LLC, Aries Purchaser LLC and Astro Purchaser LLC (collectively, the "Parent Entities"), pursuant to that certain Agreement and Plan of Merger entered into by and among the Issuer, the Parent Entities and Astro Merger Sub, Inc., a wholly owned subsidiary of the Parent Entities and an affiliate of Blackstone Real Estate Partners X L.P. ("Merger Sub"), dated as of April 7, 2024 (the "Merger Agreement"). Pursuant to the terms of the Merger Agreement, Merger Sub merged with and into the Issuer, with the Issuer surviving such merger as a wholly-owned subsidiary of the Parent Entities (the "Merger").

F5 · price: At the effective time of the Merger (the "Effective Time"), each share of the Issuer's Class A common stock outstanding immediately prior to the Effective Time (other than certain excluded shares) was automatically canceled and converted into the right to receive $39.12 in cash, without interest and subject to any required withholding taxes (the "Merger Consideration").

SEC source: 0001062993-24-001796 · form4.xml · derivative · entry 2

CONSIDINE TERRY · CIK 0001229384 · CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,311,065

Underlying: Partnership Common Units · 311,019 shares

Expires not disclosed

F5 · security: Pursuant to the Seventh Amended and Restated Agreement of Limited Partnership of Apartment Income REIT, L.P. (the "Partnership Agreement"), a holder of LTIP Units or LTIP II Units has the right to convert all or a portion of such holder's vested LTIP or LTIP II Units into Partnership Common Units (as such term is defined in the Partnership Agreement). Pursuant to the Partnership Agreement, holders of Partnership Common Units have the right to require Apartment Income REIT, L.P. to redeem such holder's Partnership Common Units, which redemption may be for Class A Common Stock of Apartment Income REIT Corp. or a cash amount equal to the value of such shares of Class A Common Stock pursuant to the formula set forth in the Partnership Agreement. The form of currency upon redemption is determined in the sole discretion of Apartment Income REIT, L.P.

F6 · derivative.exercise_price: Equity Award approved by Compensation and Human Resources Committee in connection with 2023 short term incentive compensation, price column not applicable. Receipt of the LTIP II Units was subject to performance against certain criteria.

F9 · price: Award for 2023 short term incentive compensation; price column not applicable.

F7 · derivative.exercise_date: The LTIP II Units vest 50% on January 31, 2025, and 50% on January 31, 2026.

F8 · derivative.expiration_date: The LTIP II Units may be converted at any time prior to the ten year anniversary of the date of grant.

SEC source: 0001062993-23-002128 · form4.xml · derivative · entry 3

CONSIDINE TERRY · CIK 0001229384 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 2,424,201

Underlying: Partnership Common Units · 116,960 shares

Expires not disclosed

F2 · security: Pursuant to the Amended and Restated Agreement of Limited Partnership of Aimco OP L.P. (the "Partnership Agreement"), a holder of LTIP Units has the right to convert all or a portion of such holder's vested LTIP Units into Partnership Common Units (as such term is defined in the Partnership Agreement). Pursuant to the Partnership Agreement, holders of PartnershipCommon Units have the right to require Aimco OP L.P. to redeem such holder's Partnership Common Units, which redemption may be for Class A Common Stock of Apartment Investment and Management Company or a cash amount equal to the value of such shares of Class A Common Stock pursuant to the formula set forth in the Partnership Agreement. The form of currency upon redemption is determined in the sole discretion of Aimco OP L.P.

F8 · security: Award for director compensation; price column not applicable.

F8 · derivative.exercise_price: Award for director compensation; price column not applicable.

F8 · price: Award for director compensation; price column not applicable.

F7 · derivative.exercise_date: The LTIP units vested 100% on February 1, 2023.

F5 · derivative.expiration_date: The LTIP Units do not expire.

F9 · balance_after: The reporting person holds 184,745 shares of Class A Common Stock directly. The reporting person holds 1,690,099 shares of Class A Common Stock indirectly, of which 34,724 shares are held by the reporting person's spouse and 1,655,375 shares are held by a retirement plan for which the reporting person is the trustee and the reporting person's spouse is the sole participant in the plan. The reporting person disclaims beneficial ownership of the 1,690,099 shares held indirectly except to the extent of his pecuniary interest therein.

F10 · balance_after: In addition, the reporting person holds 2,439,557 common partnership units and equivalents in Aimco OP L.P. ("OP Units"). The 2,439,557 OP Units include 510,452 OP Units held directly by the reporting person, 179,735 OP Units held by an entity in which the reporting person has sole voting and investment power, 1,591,672 OP Units held by Titahotwo Limited PartnershipRLLLP ("Titahotwo"), a registered limited liability limited partnership for which the reporting person serves as the general partner and holds a 0.5% ownership interest, and 157,698 OP Units held by the reporting person's spouse, for which the reporting person disclaims beneficial ownership except to the extent of his pecuniary interest therein. Including the transactions reported on this form, the reporting person holds 114,768 LTIP Units and 2,424,201 LTIP II Units.

F11 · balance_after: In addition, as part of his overall equity stake, the reporting person holds 1,744,915 unvested OP Units, the vesting of which are subject to certain performance criteria. Upon conclusion of the performance period and depending on the results thereof, the reporting person may vest in all, some, or none of the performance-based OP Units.

F12 · balance_after: In addition, as part of his overall equity stake, the reporting person holds 750,557 stock options, which are vested and exercisable.

SEC source: 0001062993-23-002128 · form4.xml · derivative · entry 2

CONSIDINE TERRY · CIK 0001229384 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 2,307,241

Underlying: Partnership Common Units · 568,422 shares

Expires not disclosed

F2 · security: Pursuant to the Amended and Restated Agreement of Limited Partnership of Aimco OP L.P. (the "Partnership Agreement"), a holder of LTIP Units has the right to convert all or a portion of such holder's vested LTIP Units into Partnership Common Units (as such term is defined in the Partnership Agreement). Pursuant to the Partnership Agreement, holders of PartnershipCommon Units have the right to require Aimco OP L.P. to redeem such holder's Partnership Common Units, which redemption may be for Class A Common Stock of Apartment Investment and Management Company or a cash amount equal to the value of such shares of Class A Common Stock pursuant to the formula set forth in the Partnership Agreement. The form of currency upon redemption is determined in the sole discretion of Aimco OP L.P.

F6 · security: Equity Award approved by Compensation and Human Resources Committee in connection with 2022 short-term incentive compensation, price column not applicable.

F6 · derivative.exercise_price: Equity Award approved by Compensation and Human Resources Committee in connection with 2022 short-term incentive compensation, price column not applicable.

F6 · price: Equity Award approved by Compensation and Human Resources Committee in connection with 2022 short-term incentive compensation, price column not applicable.

F7 · derivative.exercise_date: The LTIP units vested 100% on February 1, 2023.

F5 · derivative.expiration_date: The LTIP Units do not expire.

SEC source: 0001062993-23-002128 · form4.xml · derivative · entry 1

CONSIDINE TERRY · CIK 0001229384 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,738,819

Underlying: Partnership Common Units · 416,241 shares

Expires not disclosed

F1 · security: Taking into account the transactions reported on this form, Mr. Considine has an overall equity stake in the company of 9,348,842 shares, partnership units, and options, the details of which are more fully described in footnotes 9, 10, 11, and 12 below.

F2 · security: Pursuant to the Amended and Restated Agreement of Limited Partnership of Aimco OP L.P. (the "Partnership Agreement"), a holder of LTIP Units has the right to convert all or a portion of such holder's vested LTIP Units into Partnership Common Units (as such term is defined in the Partnership Agreement). Pursuant to the Partnership Agreement, holders of PartnershipCommon Units have the right to require Aimco OP L.P. to redeem such holder's Partnership Common Units, which redemption may be for Class A Common Stock of Apartment Investment and Management Company or a cash amount equal to the value of such shares of Class A Common Stock pursuant to the formula set forth in the Partnership Agreement. The form of currency upon redemption is determined in the sole discretion of Aimco OP L.P.

F3 · security: Equity Award approved by Compensation and Human Resources Committee in connection with a portion of 2020 long-term incentive compensation, price column not applicable. Receipt of the LTIP Units was subject to satisfaction of total shareholder return criteria over the period compared to specified indices.

F3 · derivative.exercise_price: Equity Award approved by Compensation and Human Resources Committee in connection with a portion of 2020 long-term incentive compensation, price column not applicable. Receipt of the LTIP Units was subject to satisfaction of total shareholder return criteria over the period compared to specified indices.

F3 · price: Equity Award approved by Compensation and Human Resources Committee in connection with a portion of 2020 long-term incentive compensation, price column not applicable. Receipt of the LTIP Units was subject to satisfaction of total shareholder return criteria over the period compared to specified indices.

F4 · derivative.exercise_date: The LTIP Units vest 50% on February 1, 2023, and 50% on January 28, 2024.

F5 · derivative.expiration_date: The LTIP Units do not expire.

SEC source: 0001062993-23-001888 · form4.xml · derivative · entry 2

CONSIDINE TERRY · CIK 0001229384 · CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,000,046

Underlying: Partnership Common Units · 416,241 shares

Expires not disclosed

F5 · security: Pursuant to the Seventh Amended and Restated Agreement of Limited Partnership of Apartment Income REIT, L.P. (the "Partnership Agreement"), a holder of LTIP Units or LTIP II Units has the right to convert all or a portion of such holder's vested LTIP or LTIP II Units into Partnership Common Units (as such term is defined in the Partnership Agreement). Pursuant to the Partnership Agreement, holders of Partnership Common Units have the right to require Apartment Income REIT, L.P. to redeem such holder's Partnership Common Units, which redemption may be for Class A Common Stock of Apartment Income REIT Corp. or a cash amount equal to the value of such shares of Class A Common Stock pursuant to the formula set forth in the Partnership Agreement. The form of currency upon redemption is determined in the sole discretion of Apartment Income REIT, L.P.

F6 · derivative.exercise_price: Equity Award approved by Compensation and Human Resources Committee in connection with a portion of 2020 long term incentive compensation, price column not applicable. Receipt of the LTIP II Units was subject to satisfaction of total shareholder return criteria over the period compared to specified indices.

F6 · price: Equity Award approved by Compensation and Human Resources Committee in connection with a portion of 2020 long term incentive compensation, price column not applicable. Receipt of the LTIP II Units was subject to satisfaction of total shareholder return criteria over the period compared to specified indices.

F7 · derivative.exercise_date: The LTIP II Units vest 50% on January 30, 2023, and 50% on January 28, 2024.

F8 · derivative.expiration_date: The LTIP II Units do not expire.

SEC source: 0001062993-22-002737 · form4.xml · derivative · entry 3

CONSIDINE TERRY · CIK 0001229384 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,322,578

Underlying: Partnership Common Units · 175,439 shares

Expires not disclosed

F2 · security: Pursuant to the Amended and Restated Agreement of Limited Partnership of Aimco OP L.P. (the "Partnership Agreement"), a holder of LTIP Units has the right to convert all or a portion of such holder's vested LTIP Units into Partnership Common Units (as such term is defined in the Partnership Agreement). Pursuant to the Partnership Agreement, holders of Partnership Common Units have the right to require Aimco OP L.P. to redeem such holder's Partnership Common Units, which redemption may be for Class A Common Stock of Apartment Investment and Management Company or a cash amount equal to the value of such shares of Class A Common Stock pursuant to the formula set forth in the Partnership Agreement. The form of currency upon redemption is determined in the sole discretion of Aimco OP L.P.

F8 · security: Equity Award approved by Compensation and Human Resources Committee in connection with 2022 base compensation, price column not applicable.

F8 · derivative.exercise_price: Equity Award approved by Compensation and Human Resources Committee in connection with 2022 base compensation, price column not applicable.

F8 · price: Equity Award approved by Compensation and Human Resources Committee in connection with 2022 base compensation, price column not applicable.

F9 · derivative.exercise_date: The LTIP Units vest 100% on February 2, 2023.

F5 · derivative.expiration_date: The LTIP Units do not expire.

F10 · balance_after: The reporting person holds 184,745 shares of Class A Common Stock directly. The reporting person holds 1,690,099 shares of Class A Common Stock indirectly, of which 34,724 shares are held by the reporting person's spouse and 1,655,375 shares are held by a retirement plan for which the reporting person is the trustee and the reporting person's spouse is the sole participant in the plan. The reporting person disclaims beneficial ownership of the 1,690,099 shares held indirectly except to the extent of his pecuniary interest therein.

F11 · balance_after: In addition, the reporting person holds 2,439,557 common partnership units and equivalents in Aimco OP L.P. ("OP Units"). The 2,439,557 OP Units include 510,452 OP Units held directly by the reporting person, 179,735 OP Units held by an entity in which the reporting person has sole voting and investment power, 1,591,672 OP Units held by Titahotwo Limited Partnership RLLLP ("Titahotwo"), a registered limited liability limited partnership for which the reporting person serves as the general partner and holds a 0.5% ownership interest, and 157,698 OP Units held by the reporting person's spouse, for which the reporting person disclaims beneficial ownership except to the extent of his pecuniary interest therein. Including the transactions reported on this form, the reporting person holds 114,768 LTIP Units and 1,322,578 LTIP II Units.

F12 · balance_after: In addition, as part of his overall equity stake, the reporting person holds 2,756,681 unvested OP Units, the vesting of which are subject to certain performance criteria. Upon conclusion of the performance period and depending on the results thereof, the reporting person may vest in all, some, or none of the performance-based OP Units.

F13 · balance_after: In addition, as part of his overall equity stake, the reporting person holds 750,557 stock options, which are vested and exercisable.

SEC source: 0001062993-22-002737 · form4.xml · derivative · entry 2

CONSIDINE TERRY · CIK 0001229384 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,147,139

Underlying: Partnership Common Units · 563,334 shares

Expires not disclosed

F2 · security: Pursuant to the Amended and Restated Agreement of Limited Partnership of Aimco OP L.P. (the "Partnership Agreement"), a holder of LTIP Units has the right to convert all or a portion of such holder's vested LTIP Units into Partnership Common Units (as such term is defined in the Partnership Agreement). Pursuant to the Partnership Agreement, holders of Partnership Common Units have the right to require Aimco OP L.P. to redeem such holder's Partnership Common Units, which redemption may be for Class A Common Stock of Apartment Investment and Management Company or a cash amount equal to the value of such shares of Class A Common Stock pursuant to the formula set forth in the Partnership Agreement. The form of currency upon redemption is determined in the sole discretion of Aimco OP L.P.

F6 · security: Equity Award approved by Compensation and Human Resources Committee in connection with 2021 short-term incentive compensation, price column not applicable.

F6 · derivative.exercise_price: Equity Award approved by Compensation and Human Resources Committee in connection with 2021 short-term incentive compensation, price column not applicable.

F6 · price: Equity Award approved by Compensation and Human Resources Committee in connection with 2021 short-term incentive compensation, price column not applicable.

F7 · derivative.exercise_date: The LTIP units vested 100% on February 2, 2022.

F5 · derivative.expiration_date: The LTIP Units do not expire.

SEC source: 0001062993-22-002737 · form4.xml · derivative · entry 1

CONSIDINE TERRY · CIK 0001229384 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 583,805

Underlying: Partnership Common Units · 170,574 shares

Expires not disclosed

F1 · security: Taking into account the transactions reported on this form, Mr. Considine has an overall equity stake in the company of 9,258,985 shares, partnership units, and options, the details of which are more fully described in footnotes 10, 11, 12, and 13 below.

F2 · security: Pursuant to the Amended and Restated Agreement of Limited Partnership of Aimco OP L.P. (the "Partnership Agreement"), a holder of LTIP Units has the right to convert all or a portion of such holder's vested LTIP Units into Partnership Common Units (as such term is defined in the Partnership Agreement). Pursuant to the Partnership Agreement, holders of Partnership Common Units have the right to require Aimco OP L.P. to redeem such holder's Partnership Common Units, which redemption may be for Class A Common Stock of Apartment Investment and Management Company or a cash amount equal to the value of such shares of Class A Common Stock pursuant to the formula set forth in the Partnership Agreement. The form of currency upon redemption is determined in the sole discretion of Aimco OP L.P.

F3 · security: Equity Award approved by Compensation and Human Resources Committee in connection with a portion of 2019 long-term incentive compensation, price column not applicable. Receipt of the LTIP Units was subject to satisfaction of total shareholder return criteria over the period compared to specified indices.

F3 · derivative.exercise_price: Equity Award approved by Compensation and Human Resources Committee in connection with a portion of 2019 long-term incentive compensation, price column not applicable. Receipt of the LTIP Units was subject to satisfaction of total shareholder return criteria over the period compared to specified indices.

F3 · price: Equity Award approved by Compensation and Human Resources Committee in connection with a portion of 2019 long-term incentive compensation, price column not applicable. Receipt of the LTIP Units was subject to satisfaction of total shareholder return criteria over the period compared to specified indices.

F4 · derivative.exercise_date: The LTIP Units vest 50% on February 2, 2022, and 50% on January 29, 2023.

F5 · derivative.expiration_date: The LTIP Units do not expire.

SEC source: 0001062993-22-002526 · form4.xml · derivative · entry 2

CONSIDINE TERRY · CIK 0001229384 · CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 583,805

Underlying: Partnership Common Units · 170,574 shares

Expires not disclosed

F5 · security: Pursuant to the Seventh Amended and Restated Agreement of Limited Partnership of Apartment Income REIT, L.P. (the "Partnership Agreement"), a holder of LTIP Units or LTIP II Units has the right to convert all or a portion of such holder's vested LTIP or LTIP II Units into Partnership Common Units (as such term is defined in the Partnership Agreement). Pursuant to the Partnership Agreement, holders of Partnership Common Units have the right to require Apartment Income REIT, L.P. to redeem such holder's Partnership Common Units, which redemption may be for Class A Common Stock of Apartment Income REIT Corp. or a cash amount equal to the value of such shares of Class A Common Stock pursuant to the formula set forth in the Partnership Agreement. The form of currency upon redemption is determined in the sole discretion of Apartment Income REIT, L.P.

F6 · derivative.exercise_price: Equity Award approved by Compensation and Human Resources Committee in connection with a portion of 2019 long term incentive compensation, price column not applicable. Receipt of the LTIP II Units was subject to satisfaction of total shareholder return criteria over the period compared to specified indices.

F6 · price: Equity Award approved by Compensation and Human Resources Committee in connection with a portion of 2019 long term incentive compensation, price column not applicable. Receipt of the LTIP II Units was subject to satisfaction of total shareholder return criteria over the period compared to specified indices.

F7 · derivative.exercise_date: The LTIP II Units vest 50% on February 1, 2022, and 50% on January 29, 2023.

F8 · derivative.expiration_date: The LTIP II Units do not expire.

SEC source: 0001062993-22-000007 · form4.xml · nonDerivative · entry 5

CONSIDINE TERRY · CIK 0001229384 · Director · CEO

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 0

F10 · price: This price is a weighted average price. The price at which the shares were actually sold ranged from $54.71 to $55.17. The reporting person has provided to the issuer and will provide to any security holder or the staff of the Securities and Exchange Commission, upon request, information regarding the number of shares sold at each price within the range.

F9 · ownership.nature: Held by the reporting person's spouse, for which the reporting person disclaims beneficial ownership except to the extent of his pecuniary interest therein.

SEC source: 0001062993-22-000007 · form4.xml · nonDerivative · entry 3

CONSIDINE TERRY · CIK 0001229384 · Director · CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 14,576

F4 · price: This price is a weighted average price. The price at which the shares were actually sold ranged from $54.73 to $55.19. The reporting person has provided to the issuer and will provide to any security holder or the staff of the Securities and Exchange Commission, upon request, information regarding the number of shares sold at each price within the range.

F5 · balance_after: The reporting person holds 14,576 shares directly and 16,000 in a trust for which the reporting person disclaims beneficial ownership. In addition, the reporting person holds 2,160,007 common partnership units and equivalents in Apartment Income REIT, L.P. ("OP Units"). The 2,160,007 OP Units include 270,452 OP Units held directly by the reporting person, 179,735 OP Units held by an entity in which the reporting person has sole voting and investment power, 1,591,672 OP Units held by Titahotwo Limited Partnership RLLLP ("Titahotwo"), an entity for which the reporting person serves as the general partner and holds a 0.5% interest, and 118,148 OP Units held by the reporting person's spouse, for which the reporting person disclaims beneficial ownership except to the extent of his pecuniary interest therein. In addition, the reporting person holds 114,768 LTIP Units (which are the equivalent of OP Units) and 413,231 LTIP II Units.

F6 · balance_after: In addition to the 14,576 shares held directly, the reporting person holds 3,011,846 unvested partnership units, the vesting of which are subject to certain performance criteria. Upon conclusion of the performance period and depending on the results thereof, the reporting person may vest in all, some or none of the performance-based partnership units.

F7 · balance_after: In addition, as part of his overall equity stake, the reporting person holds 750,557 stock options, which are vested and exercisable.

SEC source: 0001062993-22-000970 · form4a.xml · nonDerivative · entry 1

CONSIDINE TERRY · CIK 0001229384 · Director · CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 3,469

F1 · security: Taking into account the transaction reported on this form, Mr. Considine has an overall equity stake in the company of 6,469,878 shares, partnership units, and options, the details of which are more fully described in footnotes 4, 5, and 6 below.

F2 · shares: Due to an error by the reporting person's broker, incomplete trade data was provided prior to the Form 4 due date. This amendment is being filed to correct the broker's error. Specifically, the broker initially reported 15,001 shares sold at a weighted average price of $54.9626, which sales were timely reported by the reporting person on a Form 4 filed January 3, 2022. Upon review, and after timely filing the Form 4, the broker identified that the number of shares sold was 26,108 at a weighted average price of $54.9997. The price range of the sales remained unchanged (see footnote 3).

F3 · price: This price is a weighted average price. The price at which the shares were actually sold ranged from $54.73 to $55.19. The reporting person has provided to the issuer and will provide to any security holder or the staff of the Securities and Exchange Commission, upon request, information regarding the number of shares sold at each price within the range.

F4 · balance_after: The reporting person holds 3,469 shares directly and 16,000 in a trust for which the reporting person disclaims beneficial ownership. In addition, the reporting person holds 2,160,007 common partnership units and equivalents in Apartment Income REIT, L.P. ("OP Units"). The 2,160,007 OP Units include 270,452 OP Units held directly by the reporting person, 179,735 OP Units held by an entity in which the reporting person has sole voting and investment power, 1,591,672 OP Units held by Titahotwo Limited Partnership RLLLP ("Titahotwo"), an entity for which the reporting person serves as the general partner and holds a 0.5% interest, and 118,148 OP Units held by the reporting person's spouse, for which the reporting person disclaims beneficial ownership except to the extent of his pecuniary interest therein. In addition, the reporting person holds 114,768 LTIP Units (which are the equivalent of OP Units) and 413,231 LTIP II Units.

F5 · balance_after: In addition to the 3,469 shares held directly, the reporting person holds 3,011,846 unvested partnership units, the vesting of which are subject to certain performance criteria. Upon conclusion of the performance period and depending on the results thereof, the reporting person may vest in all, some or none of the performance-based partnership units.

F6 · balance_after: In addition, as part of his overall equity stake, the reporting person holds 750,557 stock options, which are vested and exercisable.

SEC source: 0001062993-22-000005 · form4.xml · nonDerivative · entry 2

CONSIDINE TERRY · CIK 0001229384 · Director · CEO

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 118,148

F3 · shares: The reporting person's spouse donated 39,550 common partnership units to several 501c3 organizations to fund charitable giving.

F4 · price: Charitable gifts to 501c3 organizations, price column not applicable.

F5 · ownership.nature: Held by the reporting person's spouse, for which the reporting person disclaims beneficial ownership except to the extent of his pecuniary interest therein.

SEC source: 0001062993-22-000007 · form4.xml · nonDerivative · entry 4

CONSIDINE TERRY · CIK 0001229384 · Director · CEO

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 17,224

F8 · price: This price is a weighted average price. The price at which the shares were actually sold ranged from $54.41 to $54.64. The reporting person has provided to the issuer and will provide to any security holder or the staff of the Securities and Exchange Commission, upon request, information regarding the number of shares sold at each price within the range.

F9 · ownership.nature: Held by the reporting person's spouse, for which the reporting person disclaims beneficial ownership except to the extent of his pecuniary interest therein.

SEC source: 0001062993-22-000007 · form4.xml · nonDerivative · entry 2

CONSIDINE TERRY · CIK 0001229384 · Director · CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 29,577

F3 · price: This price is a weighted average price. The price at which the shares were actually sold ranged from $54.39 to $54.90. The reporting person has provided to the issuer and will provide to any security holder or the staff of the Securities and Exchange Commission, upon request, information regarding the number of shares sold at each price within the range.

SEC source: 0001062993-22-000005 · form4.xml · nonDerivative · entry 1

CONSIDINE TERRY · CIK 0001229384 · Director · CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 270,452

F1 · security: Taking into account the transactions reported on this form, Mr. Considine has an overall equity stake in the company of 6,480,985 shares, partnership units, and options.

F2 · shares: Pursuant to the Seventh Amended and Restated Partnership Agreement (the "Partnership Agreement") of Apartment Income REIT, L.P. (the "Partnership") a holder of common partnership units may tender such units for redemption. The Partnership may, in its sole discretion, elect to redeem the units for cash or equity pursuant to the terms of the Partnership Agreement. This amount reflects common partnership units tendered for redemption by the reporting person, which the Partnership redeemed for cash.

SEC source: 0001062993-22-000007 · form4.xml · nonDerivative · entry 1

CONSIDINE TERRY · CIK 0001229384 · Director · CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 49,577

F1 · security: Taking into account the transactions reported on this form, Mr. Considine has an overall equity stake in the company of 6,480,985 shares, partnership units, and options, the details of which are more fully described in footnotes 5, 6, 7, and 8 below.

F2 · price: This price is a weighted average price. The price at which the shares were actually sold ranged from $53.86 to $54.81. The reporting person has provided to the issuer and will provide to any security holder or the staff of the Securities and Exchange Commission, upon request, information regarding the number of shares sold at each price within the range.

SEC source: 0001062993-21-013630 · form4.xml · nonDerivative · entry 2

CONSIDINE TERRY · CIK 0001229384 · Director · CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 69,577

F3 · price: This price is a weighted average price. The price at which the shares were actually sold ranged from $53.32 to $54.18. The reporting person has provided to the issuer and will provide to any security holder or the staff of the Securities and Exchange Commission, upon request, information regarding the number of shares sold at each price within the range.

F4 · balance_after: The reporting person holds 69,577 shares directly and 16,000 in a trust for which the reporting person disclaims beneficial ownership. In addition, the reporting person holds 2,439,557 common partnership units and equivalents in Apartment Income REIT, L.P. ("OP Units"). The 2,439,557 OP Units include 510,452 OP Units held directly by the reporting person, 179,735 OP Units held by an entity in which the reporting person has sole voting and investment power, 1,591,672 OP Units held by Titahotwo Limited Partnership RLLLP ("Titahotwo"), an entity for which the reporting person serves as the general partner and holds a 0.5% interest, and 157,698 OP Units held by the reporting person's spouse, for which the reporting person disclaims beneficial ownership except to the extent of his pecuniary interest therein. In addition, the reporting person holds 114,768 LTIP Units (which are the equivalent of OP Units) and 413,231 LTIP II Units.

F5 · balance_after: In addition to the 69,577 shares held directly, the reporting person holds 3,011,846 unvested partnership units, the vesting of which are subject to certain performance criteria. Upon conclusion of the performance period and depending on the results thereof, the reporting person may vest in all, some or none of the performance-based partnership units.

F6 · balance_after: In addition, as part of his overall equity stake, the reporting person holds 750,557 stock options, which are vested and exercisable.

F7 · balance_after: The reporting person's spouse holds 34,724 shares, for which the reporting person disclaims beneficial ownership, except to the extent of his pecuniary interest therein,.

SEC source: 0001062993-21-013630 · form4.xml · nonDerivative · entry 1

CONSIDINE TERRY · CIK 0001229384 · Director · CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 137,693

F1 · security: Taking into account the transactions reported on this form, Mr. Considine has an overall equity stake in the company of 6,850,260 shares, partnership units, and options, the details of which are more fully described in footnotes 4, 5, 6, and 7 below.

F2 · price: This price is a weighted average price. The price at which the shares were actually sold ranged from $53.00 to $53.84. The reporting person has provided to the issuer and will provide to any security holder or the staff of the Securities and Exchange Commission, upon request, information regarding the number of shares sold at each price within the range.

SEC source: 0001834606-21-000054 · edgar.xml · nonDerivative · entry 5

CONSIDINE TERRY · CIK 0001229384 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 1,655,375

F9 · price: This price is a weighted average price. The price at which the shares were actually purchased ranged from $6.945 to $7.00. The reporting person has provided to the issuer and will provide to any security holder or the staff of the Securities and Exchange Commission, upon request, information regarding the number of shares purchased at each price within the range.

F7 · ownership.nature: Held by a retirement plan for which the reporting person is the trustee and the reporting person's spouse is the sole participant in the plan. The reporting person disclaims beneficial ownership except to the extent of his pecuniary interest therein.

SEC source: 0001834606-21-000054 · edgar.xml · nonDerivative · entry 4

CONSIDINE TERRY · CIK 0001229384 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 1,516,803

F8 · price: This price is a weighted average price. The price at which the shares were actually purchased ranged from $6.98 to $7.00. The reporting person has provided to the issuer and will provide to any security holder or the staff of the Securities and Exchange Commission, upon request, information regarding the number of shares purchased at each price within the range.

F7 · ownership.nature: Held by a retirement plan for which the reporting person is the trustee and the reporting person's spouse is the sole participant in the plan. The reporting person disclaims beneficial ownership except to the extent of his pecuniary interest therein.

SEC source: 0001834606-21-000054 · edgar.xml · nonDerivative · entry 3

CONSIDINE TERRY · CIK 0001229384 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 1,500,000

F6 · price: This price is a weighted average price. The price at which the shares were actually purchased ranged from $6.76 to $6.92. The reporting person has provided to the issuer and will provide to any security holder or the staff of the Securities and Exchange Commission, upon request, information regarding the number of shares purchased at each price within the range.

F7 · ownership.nature: Held by a retirement plan for which the reporting person is the trustee and the reporting person's spouse is the sole participant in the plan. The reporting person disclaims beneficial ownership except to the extent of his pecuniary interest therein.

SEC source: 0001834606-21-000052 · edgar.xml · nonDerivative · entry 5

CONSIDINE TERRY · CIK 0001229384 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 1,350,000

F9 · price: This price is a weighted average price. The price at which the shares were actually purchased ranged from $6.575 to $6.67. The reporting person has provided to the issuer and will provide to any security holder or the staff of the Securities and Exchange Commission, upon request, information regarding the number of shares purchased at each price within the range.

F7 · ownership.nature: Held by a retirement plan for which the reporting person is the trustee and the reporting person's spouse is the sole participant in the plan. The reporting person disclaims beneficial ownership except to the extent of his pecuniary interest therein.

SEC source: 0001834606-21-000052 · edgar.xml · nonDerivative · entry 4

CONSIDINE TERRY · CIK 0001229384 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 1,273,985

F8 · price: This price is a weighted average price. The price at which the shares were actually purchased ranged from $6.33 to $6.63. The reporting person has provided to the issuer and will provide to any security holder or the staff of the Securities and Exchange Commission, upon request, information regarding the number of shares purchased at each price within the range.

F7 · ownership.nature: Held by a retirement plan for which the reporting person is the trustee and the reporting person's spouse is the sole participant in the plan. The reporting person disclaims beneficial ownership except to the extent of his pecuniary interest therein.

SEC source: 0001834606-21-000052 · edgar.xml · nonDerivative · entry 3

CONSIDINE TERRY · CIK 0001229384 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 1,050,000

F6 · price: This price is a weighted average price. The price at which the shares were actually purchased ranged from $6.47 to $6.635. The reporting person has provided to the issuer and will provide to any security holder or the staff of the Securities and Exchange Commission, upon request, information regarding the number of shares purchased at each price within the range.

F7 · ownership.nature: Held by a retirement plan for which the reporting person is the trustee and the reporting person's spouse is the sole participant in the plan. The reporting person disclaims beneficial ownership except to the extent of his pecuniary interest therein.

SEC source: 0001567619-21-010901 · doc1.xml · nonDerivative · entry 1

CONSIDINE TERRY · CIK 0001229384 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 19,832

F1 · price: Represents a grant of restricted stock that will vest in full on May 19, 2022, subject to the reporting person's continued service for the company through the vesting date.

F2 · balance_after: On August 13, 2020, the issuer effected a 1-for-10 reverse split of its common stock.

SEC source: 0001834606-21-000050 · edgar.xml · nonDerivative · entry 5

CONSIDINE TERRY · CIK 0001229384 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 900,000

F9 · price: This price is a weighted average price. The price at which the shares were actually purchased ranged from $5.79 to $5.91. The reporting person has provided to the issuer and will provide to any security holder or the staff of the Securities and Exchange Commission, upon request, information regarding the number of shares purchased at each price within the range.

F7 · ownership.nature: Held by a retirement plan for which the reporting person is the trustee and the reporting person's spouse is the sole participant in the plan. The reporting person disclaims beneficial ownership except to the extent of his pecuniary interest therein.

SEC source: 0001834606-21-000050 · edgar.xml · nonDerivative · entry 4

CONSIDINE TERRY · CIK 0001229384 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 800,000

F8 · price: This price is a weighted average price. The price at which the shares were actually purchased ranged from $5.935 to $5.95. The reporting person has provided to the issuer and will provide to any security holder or the staff of the Securities and Exchange Commission, upon request, information regarding the number of shares purchased at each price within the range.

F7 · ownership.nature: Held by a retirement plan for which the reporting person is the trustee and the reporting person's spouse is the sole participant in the plan. The reporting person disclaims beneficial ownership except to the extent of his pecuniary interest therein.

SEC source: 0001834606-21-000050 · edgar.xml · nonDerivative · entry 3

CONSIDINE TERRY · CIK 0001229384 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 700,000

F6 · price: This price is a weighted average price. The price at which the shares were actually purchased ranged from $5.735 to $5.84. The reporting person has provided to the issuer and will provide to any security holder or the staff of the Securities and Exchange Commission, upon request, information regarding the number of shares purchased at each price within the range.

F7 · ownership.nature: Held by a retirement plan for which the reporting person is the trustee and the reporting person's spouse is the sole participant in the plan. The reporting person disclaims beneficial ownership except to the extent of his pecuniary interest therein.

SEC source: 0001834606-21-000021 · edgar.xml · nonDerivative · entry 5

CONSIDINE TERRY · CIK 0001229384 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 600,000

F9 · price: This price is a weighted average price. The price at which the shares were actually purchased ranged from $5.78 to $5.87. The reporting person has provided to the issuer and will provide to any security holder or the staff of the Securities and Exchange Commission, upon request, information regarding the number of shares purchased at each price within the range.

F7 · ownership.nature: Held by a retirement plan for which the reporting person is the trustee and the reporting person's spouse is the sole participant in the plan. The reporting person disclaims beneficial ownership except to the extent of his pecuniary interest therein.

SEC source: 0001834606-21-000023 · edgar.xml · nonDerivative · entry 5

CONSIDINE TERRY · CIK 0001229384 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 600,000

F9 · price: This price is a weighted average price. The price at which the shares were actually purchased ranged from $5.78 to $5.87. The reporting person has provided to the issuer and will provide to any security holder or the staff of the Securities and Exchange Commission, upon request, information regarding the number of shares purchased at each price within the range.

F7 · ownership.nature: Held by a retirement plan for which the reporting person is the trustee and the reporting person's spouse is the sole participant in the plan. The reporting person disclaims beneficial ownership except to the extent of his pecuniary interest therein.

SEC source: 0001834606-21-000021 · edgar.xml · nonDerivative · entry 4

CONSIDINE TERRY · CIK 0001229384 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 500,000

F8 · price: This price is a weighted average price. The price at which the shares were actually purchased ranged from $5.66 to $5.67. The reporting person has provided to the issuer and will provide to any security holder or the staff of the Securities and Exchange Commission, upon request, information regarding the number of shares purchased at each price within the range.

F7 · ownership.nature: Held by a retirement plan for which the reporting person is the trustee and the reporting person's spouse is the sole participant in the plan. The reporting person disclaims beneficial ownership except to the extent of his pecuniary interest therein.

SEC source: 0001834606-21-000023 · edgar.xml · nonDerivative · entry 4

CONSIDINE TERRY · CIK 0001229384 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 500,000

F8 · price: This price is a weighted average price. The price at which the shares were actually purchased ranged from $5.66 to $5.67. The reporting person has provided to the issuer and will provide to any security holder or the staff of the Securities and Exchange Commission, upon request, information regarding the number of shares purchased at each price within the range.

F7 · ownership.nature: Held by a retirement plan for which the reporting person is the trustee and the reporting person's spouse is the sole participant in the plan. The reporting person disclaims beneficial ownership except to the extent of his pecuniary interest therein.

SEC source: 0001834606-21-000021 · edgar.xml · nonDerivative · entry 3

CONSIDINE TERRY · CIK 0001229384 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 400,000

F6 · price: This price is a weighted average price. The price at which the shares were actually purchased ranged from $5.655 to $5.75. The reporting person has provided to the issuer and will provide to any security holder or the staff of the Securities and Exchange Commission, upon request, information regarding the number of shares purchased at each price within the range.

F7 · ownership.nature: Held by a retirement plan for which the reporting person is the trustee and the reporting person's spouse is the sole participant in the plan. The reporting person disclaims beneficial ownership except to the extent of his pecuniary interest therein.

SEC source: 0001834606-21-000023 · edgar.xml · nonDerivative · entry 3

CONSIDINE TERRY · CIK 0001229384 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 400,000

F6 · price: This price is a weighted average price. The price at which the shares were actually purchased ranged from $5.655 to $5.75. The reporting person has provided to the issuer and will provide to any security holder or the staff of the Securities and Exchange Commission, upon request, information regarding the number of shares purchased at each price within the range.

F7 · ownership.nature: Held by a retirement plan for which the reporting person is the trustee and the reporting person's spouse is the sole participant in the plan. The reporting person disclaims beneficial ownership except to the extent of his pecuniary interest therein.

SEC source: 0001349659-21-000035 · edgar.xml · nonDerivative · entry 5

CONSIDINE TERRY · CIK 0001229384 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 300,000

F9 · price: This price is a weighted average price. The price at which the shares were actually purchased ranged from $5.615 to $5.695. The reporting person has provided to the issuer and will provide to any security holder or the staff of the Securities and Exchange Commission, upon request, information regarding the number of shares purchased at each price within the range.

F7 · ownership.nature: Held by a retirement plan, for which the reporting person is the trustee and the reporting person's spouse is the sole participant in the plan. The reporting person disclaims beneficial ownership except to the extent of his pecuniary interest therein.

SEC source: 0001349659-21-000035 · edgar.xml · nonDerivative · entry 4

CONSIDINE TERRY · CIK 0001229384 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 200,000

F8 · price: This price is a weighted average price. The price at which the shares were actually purchased ranged from $5.78 to $5.795. The reporting person has provided to the issuer and will provide to any security holder or the staff of the Securities and Exchange Commission, upon request, information regarding the number of shares purchased at each price within the range.

F7 · ownership.nature: Held by a retirement plan, for which the reporting person is the trustee and the reporting person's spouse is the sole participant in the plan. The reporting person disclaims beneficial ownership except to the extent of his pecuniary interest therein.

SEC source: 0001349659-21-000035 · edgar.xml · nonDerivative · entry 3

CONSIDINE TERRY · CIK 0001229384 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 100,000

F6 · price: This price is a weighted average price. The price at which the shares were actually purchased ranged from $5.715 to $5.73. The reporting person has provided to the issuer and will provide to any security holder or the staff of the Securities and Exchange Commission, upon request, information regarding the number of shares purchased at each price within the range.

F7 · ownership.nature: Held by a retirement plan, for which the reporting person is the trustee and the reporting person's spouse is the sole participant in the plan. The reporting person disclaims beneficial ownership except to the extent of his pecuniary interest therein.

SEC source: 0001349659-21-000029 · edgar.xml · derivative · entry 4

CONSIDINE TERRY · CIK 0001229384 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 413,231

Underlying: Partnership Common Units · 238,442 shares

Expires not disclosed

F6 · security: Pursuant to the Amended and Restated Agreement of Limited Partnership of AIMCO OP L.P. (the "Partnership Agreement"), a holder of LTIP Units has the right to convert all or a portion of such holder's vested LTIP Units into Partnership Common Units (as such term is defined in the Partnership Agreement). Pursuant to the Partnership Agreement, holders of Partnership Common Units have the right to require AIMCO OP L.P. to redeem such holder's Partnership Common Units, which redemption may be for Class A Common Stock of Apartment Investment and Management Company or a cash amount equal to the value of such shares of Class A Common Stock pursuant to the formula set forth in the Partnership Agreement. The form of currency upon redemption is determined in the sole discretion of AIMCO OP L.P.

F7 · security: Equity Award approved by Compensation and Human Resources Committee in connection with a portion of 2018 long term incentive compensation, price column not applicable. Receipt of the LTIP Units was subject to satisfaction of total shareholder return criteria over the period compared to specified indices.

F7 · derivative.exercise_price: Equity Award approved by Compensation and Human Resources Committee in connection with a portion of 2018 long term incentive compensation, price column not applicable. Receipt of the LTIP Units was subject to satisfaction of total shareholder return criteria over the period compared to specified indices.

F7 · price: Equity Award approved by Compensation and Human Resources Committee in connection with a portion of 2018 long term incentive compensation, price column not applicable. Receipt of the LTIP Units was subject to satisfaction of total shareholder return criteria over the period compared to specified indices.

F8 · derivative.exercise_date: The LTIP Units vest 50% on January 31, 2021, and 50% on January 31, 2022.

F9 · derivative.expiration_date: The LTIP Units do not expire.

SEC source: 0001349659-21-000029 · edgar.xml · derivative · entry 3

CONSIDINE TERRY · CIK 0001229384 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 82,014

Underlying: Partnership Common Units · 47,323 shares

Expires not disclosed

F6 · security: Pursuant to the Amended and Restated Agreement of Limited Partnership of AIMCO OP L.P. (the "Partnership Agreement"), a holder of LTIP Units has the right to convert all or a portion of such holder's vested LTIP Units into Partnership Common Units (as such term is defined in the Partnership Agreement). Pursuant to the Partnership Agreement, holders of Partnership Common Units have the right to require AIMCO OP L.P. to redeem such holder's Partnership Common Units, which redemption may be for Class A Common Stock of Apartment Investment and Management Company or a cash amount equal to the value of such shares of Class A Common Stock pursuant to the formula set forth in the Partnership Agreement. The form of currency upon redemption is determined in the sole discretion of AIMCO OP L.P.

F7 · security: Equity Award approved by Compensation and Human Resources Committee in connection with a portion of 2018 long term incentive compensation, price column not applicable. Receipt of the LTIP Units was subject to satisfaction of total shareholder return criteria over the period compared to specified indices.

F7 · derivative.exercise_price: Equity Award approved by Compensation and Human Resources Committee in connection with a portion of 2018 long term incentive compensation, price column not applicable. Receipt of the LTIP Units was subject to satisfaction of total shareholder return criteria over the period compared to specified indices.

F7 · price: Equity Award approved by Compensation and Human Resources Committee in connection with a portion of 2018 long term incentive compensation, price column not applicable. Receipt of the LTIP Units was subject to satisfaction of total shareholder return criteria over the period compared to specified indices.

F8 · derivative.exercise_date: The LTIP Units vest 50% on January 31, 2021, and 50% on January 31, 2022.

F9 · derivative.expiration_date: The LTIP Units do not expire.

SEC source: 0001349659-21-000024 · edgar.xml · derivative · entry 4

CONSIDINE TERRY · CIK 0001229384 · Director · Chief Executive Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 413,231

Underlying: Partnership Common Units · 238,442 shares

Expires not disclosed

F6 · security: Pursuant to the Sixth Amended and Restated Agreement of Limited Partnership of AIMCO Properties, L.P. (the "Partnership Agreement"), a holder of LTIP Units has the right to convert all or a portion of such holder's vested LTIP Units into Partnership Common Units (as such term is defined in the Partnership Agreement). Pursuant to the Partnership Agreement, holders of Partnership Common Units have the right to require AIMCO Properties, L.P. to redeem such holder's Partnership Common Units, which redemption may be for Class A Common Stock of Apartment Income REIT Corp. or a cash amount equal to the value of such shares of Class A Common Stock pursuant to the formula set forth in the Partnership Agreement. The form of currency upon redemption is determined in the sole discretion of AIMCO Properties, L.P.

F7 · security: Equity Award approved by Compensation and Human Resources Committee in connection with a portion of 2018 long term incentive compensation, price column not applicable. Receipt of the LTIP Units was subject to satisfaction of total shareholder return criteria over the period compared to specified indices.

F7 · derivative.exercise_price: Equity Award approved by Compensation and Human Resources Committee in connection with a portion of 2018 long term incentive compensation, price column not applicable. Receipt of the LTIP Units was subject to satisfaction of total shareholder return criteria over the period compared to specified indices.

F7 · price: Equity Award approved by Compensation and Human Resources Committee in connection with a portion of 2018 long term incentive compensation, price column not applicable. Receipt of the LTIP Units was subject to satisfaction of total shareholder return criteria over the period compared to specified indices.

F8 · derivative.exercise_date: The LTIP Units vest 50% on January 31, 2021, and 50% on January 31, 2022.

F9 · derivative.expiration_date: The LTIP Units do not expire.

SEC source: 0001349659-21-000024 · edgar.xml · derivative · entry 3

CONSIDINE TERRY · CIK 0001229384 · Director · Chief Executive Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 82,014

Underlying: Partnership Common Units · 47,323 shares

Expires not disclosed

F6 · security: Pursuant to the Sixth Amended and Restated Agreement of Limited Partnership of AIMCO Properties, L.P. (the "Partnership Agreement"), a holder of LTIP Units has the right to convert all or a portion of such holder's vested LTIP Units into Partnership Common Units (as such term is defined in the Partnership Agreement). Pursuant to the Partnership Agreement, holders of Partnership Common Units have the right to require AIMCO Properties, L.P. to redeem such holder's Partnership Common Units, which redemption may be for Class A Common Stock of Apartment Income REIT Corp. or a cash amount equal to the value of such shares of Class A Common Stock pursuant to the formula set forth in the Partnership Agreement. The form of currency upon redemption is determined in the sole discretion of AIMCO Properties, L.P.

F7 · security: Equity Award approved by Compensation and Human Resources Committee in connection with a portion of 2018 long term incentive compensation, price column not applicable. Receipt of the LTIP Units was subject to satisfaction of total shareholder return criteria over the period compared to specified indices.

F7 · derivative.exercise_price: Equity Award approved by Compensation and Human Resources Committee in connection with a portion of 2018 long term incentive compensation, price column not applicable. Receipt of the LTIP Units was subject to satisfaction of total shareholder return criteria over the period compared to specified indices.

F7 · price: Equity Award approved by Compensation and Human Resources Committee in connection with a portion of 2018 long term incentive compensation, price column not applicable. Receipt of the LTIP Units was subject to satisfaction of total shareholder return criteria over the period compared to specified indices.

F8 · derivative.exercise_date: The LTIP Units vest 50% on January 31, 2021, and 50% on January 31, 2022.

F9 · derivative.expiration_date: The LTIP Units do not expire.

SEC source: 0001349659-20-000060 · edgar.xml · derivative · entry 4

CONSIDINE TERRY · CIK 0001229384 · Director · Chairman & CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 174,789

Underlying: Partnership Common Units · 174,789 shares

Expires not disclosed

F7 · security: Pursuant to the Fifth Amended and Restated Agreement of Limited Partnership of AIMCO Properties, L.P. (the "Partnership Agreement"), and the award agreements governing each award, a holder of LTIP Units has the right to convert all or a portion of such holder's vested LTIP Units into Partnership Common Units (as such term is defined in the Partnership Agreement). Pursuant to the Partnership Agreement, holders of Partnership Common Units have the right to require AIMCO Properties, L.P. to redeem such holder's Partnership Common Units, which redemption may be for Class A Common Stock of Apartment Investment and Management Company or a cash amount equal to the value of such shares of Class A Common Stock pursuant to the formula set forth in the Partnership Agreement. The form of currency upon redemption is determined in the sole discretion of the general partner of AIMCO Properties, L.P.

F9 · derivative.exercise_price: The LTIP Units vest 50% on January 30, 2021, and 50% on January 30, 2022.

F8 · price: Equity Award approved by Compensation and Human Resources Committee in connection with a portion of 2018 long term incentive compensation, price column not applicable. Receipt of the LTIP Units was subject to satisfaction of total shareholder return criteria over the period compared to specified indices.

F9 · derivative.exercise_date: The LTIP Units vest 50% on January 30, 2021, and 50% on January 30, 2022.

F10 · derivative.expiration_date: The LTIP Units do not expire.

SEC source: 0001349659-20-000060 · edgar.xml · derivative · entry 3

CONSIDINE TERRY · CIK 0001229384 · Director · Chairman & CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 34,690

Underlying: Partnership Common Units · 34,690 shares

Expires not disclosed

F7 · security: Pursuant to the Fifth Amended and Restated Agreement of Limited Partnership of AIMCO Properties, L.P. (the "Partnership Agreement"), and the award agreements governing each award, a holder of LTIP Units has the right to convert all or a portion of such holder's vested LTIP Units into Partnership Common Units (as such term is defined in the Partnership Agreement). Pursuant to the Partnership Agreement, holders of Partnership Common Units have the right to require AIMCO Properties, L.P. to redeem such holder's Partnership Common Units, which redemption may be for Class A Common Stock of Apartment Investment and Management Company or a cash amount equal to the value of such shares of Class A Common Stock pursuant to the formula set forth in the Partnership Agreement. The form of currency upon redemption is determined in the sole discretion of the general partner of AIMCO Properties, L.P.

F8 · derivative.exercise_price: Equity Award approved by Compensation and Human Resources Committee in connection with a portion of 2018 long term incentive compensation, price column not applicable. Receipt of the LTIP Units was subject to satisfaction of total shareholder return criteria over the period compared to specified indices.

F8 · price: Equity Award approved by Compensation and Human Resources Committee in connection with a portion of 2018 long term incentive compensation, price column not applicable. Receipt of the LTIP Units was subject to satisfaction of total shareholder return criteria over the period compared to specified indices.

F9 · derivative.exercise_date: The LTIP Units vest 50% on January 30, 2021, and 50% on January 30, 2022.

F10 · derivative.expiration_date: The LTIP Units do not expire.