WALTON WILLIAM H III

SEC source: 0001058795-26-000013 · wk-form4_1790870831.xml · derivative · entry 1

WALTON WILLIAM H III · CIK 0001058795 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 10,640

Underlying: Common Stock, par value $0.01 · 388.64 shares

Expires not disclosed

F1 · derivative.exercise_price: The Phantom Stock Units convert to BXP, Inc. ("BXP") common stock on a 1-for-1 basis.

F2 · derivative.exercise_date: The Phantom Stock Units are awarded under BXP's 2021 Stock Incentive Plan to non-employee directors who elected to receive Phantom Stock Units in lieu of director cash compensation fees. The Phantom Stock Units are to be settled in shares of BXP common stock (except that fractional units, if any, will be settled in cash) in a lump sum or in ten annual installments, at the reporting person's election, following the reporting person's retirement from the BXP Board of Directors. In addition, non-employee directors who elect a deferred payout following their retirement may make one or more elections to convert all or a portion (but only in 25% increments) of their notional investment from BXP common stock to a deemed investment in one or more measurement funds. These elections may only be made after the director's service on the BXP Board of Directors ends. Amounts notionally invested in measurement funds will be settled in cash instead of BXP common stock.

F2 · derivative.expiration_date: The Phantom Stock Units are awarded under BXP's 2021 Stock Incentive Plan to non-employee directors who elected to receive Phantom Stock Units in lieu of director cash compensation fees. The Phantom Stock Units are to be settled in shares of BXP common stock (except that fractional units, if any, will be settled in cash) in a lump sum or in ten annual installments, at the reporting person's election, following the reporting person's retirement from the BXP Board of Directors. In addition, non-employee directors who elect a deferred payout following their retirement may make one or more elections to convert all or a portion (but only in 25% increments) of their notional investment from BXP common stock to a deemed investment in one or more measurement funds. These elections may only be made after the director's service on the BXP Board of Directors ends. Amounts notionally invested in measurement funds will be settled in cash instead of BXP common stock.

F3 · balance_after: Includes 101.33 Phantom Stock Units received pursuant to dividend equivalent rights which were credited to the Reporting Person on July 31, 2026.

SEC source: 0001058795-26-000011 · wk-form4_1782917956.xml · derivative · entry 1

WALTON WILLIAM H III · CIK 0001058795 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 10,150.03

Underlying: Common Stock, par value $0.01 · 345.6 shares

Expires not disclosed

F1 · derivative.exercise_price: The Phantom Stock Units convert to BXP, Inc. ("BXP") common stock on a 1-for-1 basis.

F2 · derivative.exercise_date: The Phantom Stock Units are awarded under BXP's 2021 Stock Incentive Plan to non-employee directors who elected to receive Phantom Stock Units in lieu of director cash compensation fees. The Phantom Stock Units are to be settled in shares of BXP common stock (except that fractional units, if any, will be settled in cash) in a lump sum or in ten annual installments, at the reporting person's election, following the reporting person's retirement from the BXP Board of Directors. In addition, non-employee directors who elect a deferred payout following their retirement may make one or more elections to convert all or a portion (but only in 25% increments) of their notional investment from BXP common stock to a deemed investment in one or more measurement funds. These elections may only be made after the director's service on the BXP Board of Directors ends. Amounts notionally invested in measurement funds will be settled in cash instead of BXP common stock.

F2 · derivative.expiration_date: The Phantom Stock Units are awarded under BXP's 2021 Stock Incentive Plan to non-employee directors who elected to receive Phantom Stock Units in lieu of director cash compensation fees. The Phantom Stock Units are to be settled in shares of BXP common stock (except that fractional units, if any, will be settled in cash) in a lump sum or in ten annual installments, at the reporting person's election, following the reporting person's retirement from the BXP Board of Directors. In addition, non-employee directors who elect a deferred payout following their retirement may make one or more elections to convert all or a portion (but only in 25% increments) of their notional investment from BXP common stock to a deemed investment in one or more measurement funds. These elections may only be made after the director's service on the BXP Board of Directors ends. Amounts notionally invested in measurement funds will be settled in cash instead of BXP common stock.

F3 · balance_after: Includes 116.01 Phantom Stock Units received pursuant to dividend equivalent rights which were credited to the Reporting Person on April 30, 2026.

SEC source: 0001058795-26-000009 · wk-form4_1780409634.xml · derivative · entry 1

WALTON WILLIAM H III · CIK 0001058795 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 17,629

Underlying: Common Stock, par value $0.01 · 3,332 shares

Expires not disclosed

F1 · security: Represents units of limited partnership interest in Boston Properties Limited Partnership ("BPLP"), of which the Issuer is the general partner, issued pursuant to the Issuer's equity based incentive programs ("LTIP Units"). Conditioned upon minimum allocations to the capital accounts of the LTIP Units for federal income tax purposes, each LTIP Unit may be converted, at the election of BPLP or the holder, into a common unit of limited partnership interest in BPLP ("Common OP Unit"). Each Common OP Unit acquired upon conversion of an LTIP Unit may be presented for redemption, at the election of the holder, for cash equal to the then fair market value of a share of the Issuer's common stock, except that the Issuer may, at its election, acquire each Common OP Unit so presented for one share of common stock. LTIP Units have no expiration date.

F1 · derivative.exercise_price: Represents units of limited partnership interest in Boston Properties Limited Partnership ("BPLP"), of which the Issuer is the general partner, issued pursuant to the Issuer's equity based incentive programs ("LTIP Units"). Conditioned upon minimum allocations to the capital accounts of the LTIP Units for federal income tax purposes, each LTIP Unit may be converted, at the election of BPLP or the holder, into a common unit of limited partnership interest in BPLP ("Common OP Unit"). Each Common OP Unit acquired upon conversion of an LTIP Unit may be presented for redemption, at the election of the holder, for cash equal to the then fair market value of a share of the Issuer's common stock, except that the Issuer may, at its election, acquire each Common OP Unit so presented for one share of common stock. LTIP Units have no expiration date.

F1 · derivative.exercise_date: Represents units of limited partnership interest in Boston Properties Limited Partnership ("BPLP"), of which the Issuer is the general partner, issued pursuant to the Issuer's equity based incentive programs ("LTIP Units"). Conditioned upon minimum allocations to the capital accounts of the LTIP Units for federal income tax purposes, each LTIP Unit may be converted, at the election of BPLP or the holder, into a common unit of limited partnership interest in BPLP ("Common OP Unit"). Each Common OP Unit acquired upon conversion of an LTIP Unit may be presented for redemption, at the election of the holder, for cash equal to the then fair market value of a share of the Issuer's common stock, except that the Issuer may, at its election, acquire each Common OP Unit so presented for one share of common stock. LTIP Units have no expiration date.

F2 · derivative.exercise_date: The 3,332 LTIP Units will vest on the earlier of (i) May 29, 2027 and (ii) the date of the BXP's 2027 annual meeting of stockholders.

F1 · derivative.expiration_date: Represents units of limited partnership interest in Boston Properties Limited Partnership ("BPLP"), of which the Issuer is the general partner, issued pursuant to the Issuer's equity based incentive programs ("LTIP Units"). Conditioned upon minimum allocations to the capital accounts of the LTIP Units for federal income tax purposes, each LTIP Unit may be converted, at the election of BPLP or the holder, into a common unit of limited partnership interest in BPLP ("Common OP Unit"). Each Common OP Unit acquired upon conversion of an LTIP Unit may be presented for redemption, at the election of the holder, for cash equal to the then fair market value of a share of the Issuer's common stock, except that the Issuer may, at its election, acquire each Common OP Unit so presented for one share of common stock. LTIP Units have no expiration date.

SEC source: 0001058795-26-000008 · wk-form4_1780409628.xml · derivative · entry 1

WALTON WILLIAM H III · CIK 0001058795 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 17,629

Underlying: Common OP Units · 3,332 shares

Expires not disclosed

F1 · security: Represents units of limited partnership interest in the Issuer issued pursuant to BXP, Inc.'s ("BXP"), the Issuer's general partner, equity based incentive programs ("LTIP Units"). Conditioned upon minimum allocations to the capital accounts of the LTIP Units for federal income tax purposes, each LTIP Unit may be converted, at the election of the Issuer or the holder, into a common unit of limited partnership interest in the Issuer ("Common OP Unit"). Each Common OP Unit acquired upon conversion of an LTIP Unit may be presented for redemption, at the election of the holder, for cash equal to the then fair market value of a share of BXP's common stock, except that BXP may, at its election, acquire each Common OP Unit so presented for one share of BXP's common stock. LTIP Units have no expiration date.

F1 · derivative.exercise_price: Represents units of limited partnership interest in the Issuer issued pursuant to BXP, Inc.'s ("BXP"), the Issuer's general partner, equity based incentive programs ("LTIP Units"). Conditioned upon minimum allocations to the capital accounts of the LTIP Units for federal income tax purposes, each LTIP Unit may be converted, at the election of the Issuer or the holder, into a common unit of limited partnership interest in the Issuer ("Common OP Unit"). Each Common OP Unit acquired upon conversion of an LTIP Unit may be presented for redemption, at the election of the holder, for cash equal to the then fair market value of a share of BXP's common stock, except that BXP may, at its election, acquire each Common OP Unit so presented for one share of BXP's common stock. LTIP Units have no expiration date.

F1 · derivative.exercise_date: Represents units of limited partnership interest in the Issuer issued pursuant to BXP, Inc.'s ("BXP"), the Issuer's general partner, equity based incentive programs ("LTIP Units"). Conditioned upon minimum allocations to the capital accounts of the LTIP Units for federal income tax purposes, each LTIP Unit may be converted, at the election of the Issuer or the holder, into a common unit of limited partnership interest in the Issuer ("Common OP Unit"). Each Common OP Unit acquired upon conversion of an LTIP Unit may be presented for redemption, at the election of the holder, for cash equal to the then fair market value of a share of BXP's common stock, except that BXP may, at its election, acquire each Common OP Unit so presented for one share of BXP's common stock. LTIP Units have no expiration date.

F2 · derivative.exercise_date: The 3,332 LTIP Units will vest on the earlier of (i) May 29, 2027 and (ii) the date of BXP's 2027 annual meeting of stockholders.

F1 · derivative.expiration_date: Represents units of limited partnership interest in the Issuer issued pursuant to BXP, Inc.'s ("BXP"), the Issuer's general partner, equity based incentive programs ("LTIP Units"). Conditioned upon minimum allocations to the capital accounts of the LTIP Units for federal income tax purposes, each LTIP Unit may be converted, at the election of the Issuer or the holder, into a common unit of limited partnership interest in the Issuer ("Common OP Unit"). Each Common OP Unit acquired upon conversion of an LTIP Unit may be presented for redemption, at the election of the holder, for cash equal to the then fair market value of a share of BXP's common stock, except that BXP may, at its election, acquire each Common OP Unit so presented for one share of BXP's common stock. LTIP Units have no expiration date.

SEC source: 0001058795-26-000005 · primary_doc.xml · nonDerivative · entry 1

WALTON WILLIAM H III · CIK 0001058795 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 53,387

F1 · security: The reporting person was awarded shares pursuant to the Company's director compensation arrangements.

SEC source: 0001058795-26-000004 · wk-form4_1775063488.xml · derivative · entry 1

WALTON WILLIAM H III · CIK 0001058795 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 9,688.42

Underlying: Common Stock, par value $0.01 · 457.61 shares

Expires not disclosed

F1 · derivative.exercise_price: The Phantom Stock Units convert to BXP, Inc. ("BXP") common stock on a 1-for-1 basis.

F2 · derivative.exercise_date: The Phantom Stock Units are awarded under BXP's 2021 Stock Incentive Plan to non-employee directors who elected to receive Phantom Stock Units in lieu of director cash compensation fees. The Phantom Stock Units are to be settled in shares of BXP common stock (except that fractional units, if any, will be settled in cash) in a lump sum or in ten annual installments, at the reporting person's election, following the reporting person's retirement from the BXP Board of Directors. In addition, non-employee directors who elect a deferred payout following their retirement may make one or more elections to reallocate all or a portion (but only in 25% increments) of their notional investment from BXP common stock to a deemed investment in one or more measurement funds. These elections may only be made after the director's service on the BXP Board of Directors ends. Amounts notionally invested in measurement funds will be settled in cash instead of BXP common stock.

F2 · derivative.expiration_date: The Phantom Stock Units are awarded under BXP's 2021 Stock Incentive Plan to non-employee directors who elected to receive Phantom Stock Units in lieu of director cash compensation fees. The Phantom Stock Units are to be settled in shares of BXP common stock (except that fractional units, if any, will be settled in cash) in a lump sum or in ten annual installments, at the reporting person's election, following the reporting person's retirement from the BXP Board of Directors. In addition, non-employee directors who elect a deferred payout following their retirement may make one or more elections to reallocate all or a portion (but only in 25% increments) of their notional investment from BXP common stock to a deemed investment in one or more measurement funds. These elections may only be made after the director's service on the BXP Board of Directors ends. Amounts notionally invested in measurement funds will be settled in cash instead of BXP common stock.

F3 · balance_after: Includes 98.33 Phantom Stock Units received pursuant to dividend equivalent rights which were credited to the Reporting Person on January 29, 2026.

SEC source: 0001058795-26-000002 · wk-form4_1767644893.xml · derivative · entry 1

WALTON WILLIAM H III · CIK 0001058795 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 9,132.48

Underlying: Common Stock, par value $0.01 · 351.96 shares

Expires not disclosed

F1 · derivative.exercise_price: The Phantom Stock Units convert to BXP, Inc. ("BXP") common stock on a 1-for-1 basis.

F2 · derivative.exercise_date: The Phantom Stock Units are awarded under BXP's 2021 Stock Incentive Plan to non-employee directors who elected to receive Phantom Stock Units in lieu of director cash compensation fees. The Phantom Stock Units are to be settled in shares of BXP common stock (except that fractional units, if any, will be settled in cash) in a lump sum or in ten annual installments, at the reporting person's election, following the reporting person's retirement from the BXP Board of Directors. In addition, non-employee directors who elect a deferred payout following their retirement may make one or more elections to reallocate all or a portion (but only in 25% increments) of their notional investment from BXP common stock to a deemed investment in one or more measurement funds. These elections may only be made after the director's service on the BXP Board of Directors ends. Amounts notionally invested in measurement funds will be settled in cash instead of BXP common stock.

F2 · derivative.expiration_date: The Phantom Stock Units are awarded under BXP's 2021 Stock Incentive Plan to non-employee directors who elected to receive Phantom Stock Units in lieu of director cash compensation fees. The Phantom Stock Units are to be settled in shares of BXP common stock (except that fractional units, if any, will be settled in cash) in a lump sum or in ten annual installments, at the reporting person's election, following the reporting person's retirement from the BXP Board of Directors. In addition, non-employee directors who elect a deferred payout following their retirement may make one or more elections to reallocate all or a portion (but only in 25% increments) of their notional investment from BXP common stock to a deemed investment in one or more measurement funds. These elections may only be made after the director's service on the BXP Board of Directors ends. Amounts notionally invested in measurement funds will be settled in cash instead of BXP common stock.

F3 · balance_after: Includes 85.50 Phantom Stock Units received pursuant to dividend equivalent rights which were credited to the reporting person on October 31, 2025.

SEC source: 0001058795-25-000005 · wk-form4_1759348800.xml · derivative · entry 1

WALTON WILLIAM H III · CIK 0001058795 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 8,695.02

Underlying: Common Stock, par value $0.01 · 319.48 shares

Expires not disclosed

F1 · derivative.exercise_price: The Phantom Stock Units convert to BXP, Inc. ("BXP") common stock on a 1-for-1 basis.

F2 · derivative.exercise_date: The Phantom Stock Units are awarded under BXP's 2021 Stock Incentive Plan to non-employee directors who elected to receive Phantom Stock Units in lieu of director cash compensation fees. The Phantom Stock Units are to be settled in shares of BXP common stock (except that fractional units, if any, will be settled in cash) in a lump sum or in ten annual installments, at the reporting person's election, following the reporting person's retirement from the BXP Board of Directors. In addition, non-employee directors who elect a deferred payout following their retirement may make one or more elections to convert all or a portion (but only in 25% increments) of their notional investment from BXP common stock to a deemed investment in one or more measurement funds. These elections may only be made after the director's service on the BXP Board of Directors ends. Amounts notionally invested in measurement funds will be settled in cash instead of BXP common stock.

F2 · derivative.expiration_date: The Phantom Stock Units are awarded under BXP's 2021 Stock Incentive Plan to non-employee directors who elected to receive Phantom Stock Units in lieu of director cash compensation fees. The Phantom Stock Units are to be settled in shares of BXP common stock (except that fractional units, if any, will be settled in cash) in a lump sum or in ten annual installments, at the reporting person's election, following the reporting person's retirement from the BXP Board of Directors. In addition, non-employee directors who elect a deferred payout following their retirement may make one or more elections to convert all or a portion (but only in 25% increments) of their notional investment from BXP common stock to a deemed investment in one or more measurement funds. These elections may only be made after the director's service on the BXP Board of Directors ends. Amounts notionally invested in measurement funds will be settled in cash instead of BXP common stock.

F3 · balance_after: Includes 123.60 Phantom Stock Units received pursuant to dividend equivalent rights which were credited to the Reporting Person on July 31, 2025.

SEC source: 0001246991-25-000185 · wk-form4_1751386771.xml · derivative · entry 1

WALTON WILLIAM H III · CIK 0001058795 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 8,251.94

Underlying: Common Stock, par value $0.01 · 342.99 shares

Expires not disclosed

F1 · derivative.exercise_price: The Phantom Stock Units convert to BXP, Inc. ("BXP") common stock on a 1-for-1 basis.

F2 · derivative.exercise_date: The Phantom Stock Units are awarded under BXP's 2021 Stock Incentive Plan to non-employee directors who elected to receive Phantom Stock Units in lieu of director cash compensation fees. The Phantom Stock Units are to be settled in shares of BXP common stock (except that fractional units, if any, will be settled in cash) in a lump sum or in ten annual installments, at the reporting person's election, following the reporting person's retirement from the BXP Board of Directors. In addition, non-employee directors who elect a deferred payout following their retirement may make one or more elections to convert all or a portion (but only in 25% increments) of their notional investment from BXP common stock to a deemed investment in one or more measurement funds. These elections may only be made after the director's service on the BXP Board of Directors ends. Amounts notionally invested in measurement funds will be settled in cash instead of BXP common stock.

F2 · derivative.expiration_date: The Phantom Stock Units are awarded under BXP's 2021 Stock Incentive Plan to non-employee directors who elected to receive Phantom Stock Units in lieu of director cash compensation fees. The Phantom Stock Units are to be settled in shares of BXP common stock (except that fractional units, if any, will be settled in cash) in a lump sum or in ten annual installments, at the reporting person's election, following the reporting person's retirement from the BXP Board of Directors. In addition, non-employee directors who elect a deferred payout following their retirement may make one or more elections to convert all or a portion (but only in 25% increments) of their notional investment from BXP common stock to a deemed investment in one or more measurement funds. These elections may only be made after the director's service on the BXP Board of Directors ends. Amounts notionally invested in measurement funds will be settled in cash instead of BXP common stock.

F3 · balance_after: Includes 119.78 Phantom Stock Units received pursuant to dividend equivalent rights which were credited to the Reporting Person on April 30, 2025.

SEC source: 0001246991-25-000171 · wk-form4_1748536395.xml · derivative · entry 1

WALTON WILLIAM H III · CIK 0001058795 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 14,297

Underlying: Common OP Units · 2,434 shares

Expires not disclosed

F1 · security: Represents units of limited partnership interest in the Issuer issued pursuant to BXP, Inc.'s ("BXP"), the Issuer's general partner, equity based incentive programs ("LTIP Units"). Conditioned upon minimum allocations to the capital accounts of the LTIP Units for federal income tax purposes, each LTIP Unit may be converted, at the election of the Issuer or the holder, into a common unit of limited partnership interest in the Issuer ("Common OP Unit"). Each Common OP Unit acquired upon conversion of an LTIP Unit may be presented for redemption, at the election of the holder, for cash equal to the then fair market value of a share of BXP's common stock, except that BXP may, at its election, acquire each Common OP Unit so presented for one share of BXP's common stock. LTIP Units have no expiration date.

F1 · derivative.exercise_price: Represents units of limited partnership interest in the Issuer issued pursuant to BXP, Inc.'s ("BXP"), the Issuer's general partner, equity based incentive programs ("LTIP Units"). Conditioned upon minimum allocations to the capital accounts of the LTIP Units for federal income tax purposes, each LTIP Unit may be converted, at the election of the Issuer or the holder, into a common unit of limited partnership interest in the Issuer ("Common OP Unit"). Each Common OP Unit acquired upon conversion of an LTIP Unit may be presented for redemption, at the election of the holder, for cash equal to the then fair market value of a share of BXP's common stock, except that BXP may, at its election, acquire each Common OP Unit so presented for one share of BXP's common stock. LTIP Units have no expiration date.

F1 · derivative.exercise_date: Represents units of limited partnership interest in the Issuer issued pursuant to BXP, Inc.'s ("BXP"), the Issuer's general partner, equity based incentive programs ("LTIP Units"). Conditioned upon minimum allocations to the capital accounts of the LTIP Units for federal income tax purposes, each LTIP Unit may be converted, at the election of the Issuer or the holder, into a common unit of limited partnership interest in the Issuer ("Common OP Unit"). Each Common OP Unit acquired upon conversion of an LTIP Unit may be presented for redemption, at the election of the holder, for cash equal to the then fair market value of a share of BXP's common stock, except that BXP may, at its election, acquire each Common OP Unit so presented for one share of BXP's common stock. LTIP Units have no expiration date.

F2 · derivative.exercise_date: The 2,434 LTIP Units will vest on the earlier of (i) May 28, 2026 and (ii) the date of BXP's 2026 annual meeting of stockholders.

F1 · derivative.expiration_date: Represents units of limited partnership interest in the Issuer issued pursuant to BXP, Inc.'s ("BXP"), the Issuer's general partner, equity based incentive programs ("LTIP Units"). Conditioned upon minimum allocations to the capital accounts of the LTIP Units for federal income tax purposes, each LTIP Unit may be converted, at the election of the Issuer or the holder, into a common unit of limited partnership interest in the Issuer ("Common OP Unit"). Each Common OP Unit acquired upon conversion of an LTIP Unit may be presented for redemption, at the election of the holder, for cash equal to the then fair market value of a share of BXP's common stock, except that BXP may, at its election, acquire each Common OP Unit so presented for one share of BXP's common stock. LTIP Units have no expiration date.

SEC source: 0001246991-25-000158 · wk-form4_1748536262.xml · derivative · entry 1

WALTON WILLIAM H III · CIK 0001058795 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 14,297

Underlying: Common Stock, par value $0.01 · 2,434 shares

Expires not disclosed

F1 · security: Represents units of limited partnership interest in Boston Properties Limited Partnership ("BPLP"), of which the Issuer is the general partner, issued pursuant to the Issuer's equity based incentive programs ("LTIP Units"). Conditioned upon minimum allocations to the capital accounts of the LTIP Units for federal income tax purposes, each LTIP Unit may be converted, at the election of BPLP or the holder, into a common unit of limited partnership interest in BPLP ("Common OP Unit"). Each Common OP Unit acquired upon conversion of an LTIP Unit may be presented for redemption, at the election of the holder, for cash equal to the then fair market value of a share of the Issuer's common stock, except that the Issuer may, at its election, acquire each Common OP Unit so presented for one share of common stock. LTIP Units have no expiration date.

F1 · derivative.exercise_price: Represents units of limited partnership interest in Boston Properties Limited Partnership ("BPLP"), of which the Issuer is the general partner, issued pursuant to the Issuer's equity based incentive programs ("LTIP Units"). Conditioned upon minimum allocations to the capital accounts of the LTIP Units for federal income tax purposes, each LTIP Unit may be converted, at the election of BPLP or the holder, into a common unit of limited partnership interest in BPLP ("Common OP Unit"). Each Common OP Unit acquired upon conversion of an LTIP Unit may be presented for redemption, at the election of the holder, for cash equal to the then fair market value of a share of the Issuer's common stock, except that the Issuer may, at its election, acquire each Common OP Unit so presented for one share of common stock. LTIP Units have no expiration date.

F1 · derivative.exercise_date: Represents units of limited partnership interest in Boston Properties Limited Partnership ("BPLP"), of which the Issuer is the general partner, issued pursuant to the Issuer's equity based incentive programs ("LTIP Units"). Conditioned upon minimum allocations to the capital accounts of the LTIP Units for federal income tax purposes, each LTIP Unit may be converted, at the election of BPLP or the holder, into a common unit of limited partnership interest in BPLP ("Common OP Unit"). Each Common OP Unit acquired upon conversion of an LTIP Unit may be presented for redemption, at the election of the holder, for cash equal to the then fair market value of a share of the Issuer's common stock, except that the Issuer may, at its election, acquire each Common OP Unit so presented for one share of common stock. LTIP Units have no expiration date.

F2 · derivative.exercise_date: The 2,434 LTIP Units will vest on the earlier of (i) May 28, 2026 and (ii) the date of the BXP's 2026 annual meeting of stockholders.

F1 · derivative.expiration_date: Represents units of limited partnership interest in Boston Properties Limited Partnership ("BPLP"), of which the Issuer is the general partner, issued pursuant to the Issuer's equity based incentive programs ("LTIP Units"). Conditioned upon minimum allocations to the capital accounts of the LTIP Units for federal income tax purposes, each LTIP Unit may be converted, at the election of BPLP or the holder, into a common unit of limited partnership interest in BPLP ("Common OP Unit"). Each Common OP Unit acquired upon conversion of an LTIP Unit may be presented for redemption, at the election of the holder, for cash equal to the then fair market value of a share of the Issuer's common stock, except that the Issuer may, at its election, acquire each Common OP Unit so presented for one share of common stock. LTIP Units have no expiration date.

SEC source: 0000844059-25-000022 · primary_doc.xml · nonDerivative · entry 1

WALTON WILLIAM H III · CIK 0001058795 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 48,716

F1 · security: The reporting person was awarded shares pursuant to the Company's director compensation arrangements.

F2 · price: This item has been amended to reflect the correct price.

SEC source: 0000844059-25-000020 · primary_doc.xml · nonDerivative · entry 1

WALTON WILLIAM H III · CIK 0001058795 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 48,716

F1 · security: The reporting person was awarded shares pursuant to the Company's director compensation arrangements.

SEC source: 0001246991-25-000133 · wk-form4_1743536217.xml · derivative · entry 1

WALTON WILLIAM H III · CIK 0001058795 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 7,789.17

Underlying: Common Stock, par value $0.01 · 353.48 shares

Expires not disclosed

F1 · derivative.exercise_price: The Phantom Stock Units convert to BXP, Inc. ("BXP") common stock on a 1-for-1 basis.

F2 · derivative.exercise_date: The Phantom Stock Units are awarded under BXP's 2021 Stock Incentive Plan to non-employee directors who elected to receive Phantom Stock Units in lieu of director cash compensation fees. The Phantom Stock Units are to be settled in shares of BXP common stock (except that fractional units, if any, will be settled in cash) in a lump sum or in ten annual installments, at the reporting person's election, following the reporting person's retirement from the BXP Board of Directors. In addition, non-employee directors who elect a deferred payout following their retirement may make one or more elections to convert all or a portion (but only in 25% increments) of their notional investment from BXP common stock to a deemed investment in one or more measurement funds. These elections may only be made after the director's service on the BXP Board of Directors ends. Amounts notionally invested in measurement funds will be settled in cash instead of BXP common stock.

F2 · derivative.expiration_date: The Phantom Stock Units are awarded under BXP's 2021 Stock Incentive Plan to non-employee directors who elected to receive Phantom Stock Units in lieu of director cash compensation fees. The Phantom Stock Units are to be settled in shares of BXP common stock (except that fractional units, if any, will be settled in cash) in a lump sum or in ten annual installments, at the reporting person's election, following the reporting person's retirement from the BXP Board of Directors. In addition, non-employee directors who elect a deferred payout following their retirement may make one or more elections to convert all or a portion (but only in 25% increments) of their notional investment from BXP common stock to a deemed investment in one or more measurement funds. These elections may only be made after the director's service on the BXP Board of Directors ends. Amounts notionally invested in measurement funds will be settled in cash instead of BXP common stock.

F3 · balance_after: Includes 99.30 Phantom Stock Units received pursuant to dividend equivalent rights which were credited to the Reporting Person on January 30, 2025.

SEC source: 0001246991-25-000012 · wk-form4_1735838918.xml · derivative · entry 1

WALTON WILLIAM H III · CIK 0001058795 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 7,336.39

Underlying: Common Stock, par value $0.01 · 319.39 shares

Expires not disclosed

F1 · derivative.exercise_price: The Phantom Stock Units convert to BXP, Inc. ("BXP") common stock on a 1-for-1 basis.

F2 · derivative.exercise_date: The Phantom Stock Units are awarded under BXP's 2021 Stock Incentive Plan to non-employee directors who elected to receive Phantom Stock Units in lieu of director cash compensation fees. The Phantom Stock Units are to be settled in shares of BXP common stock (except that fractional units, if any, will be settled in cash) in a lump sum or in ten annual installments, at the reporting person's election, following the reporting person's retirement from the BXP Board of Directors. In addition, non-employee directors who elect a deferred payout following their retirement may make one or more elections to convert all or a portion (but only in 25% increments) of their notional investment from BXP common stock to a deemed investment in one or more measurement funds. These elections may only be made after the director's service on the BXP Board of Directors ends. Amounts notionally invested in measurement funds will be settled in cash instead of BXP common stock.

F2 · derivative.expiration_date: The Phantom Stock Units are awarded under BXP's 2021 Stock Incentive Plan to non-employee directors who elected to receive Phantom Stock Units in lieu of director cash compensation fees. The Phantom Stock Units are to be settled in shares of BXP common stock (except that fractional units, if any, will be settled in cash) in a lump sum or in ten annual installments, at the reporting person's election, following the reporting person's retirement from the BXP Board of Directors. In addition, non-employee directors who elect a deferred payout following their retirement may make one or more elections to convert all or a portion (but only in 25% increments) of their notional investment from BXP common stock to a deemed investment in one or more measurement funds. These elections may only be made after the director's service on the BXP Board of Directors ends. Amounts notionally invested in measurement funds will be settled in cash instead of BXP common stock.

F3 · balance_after: Includes 84.33 Phantom Stock Units received pursuant to dividend equivalent rights which were credited to the reporting person on October 31, 2024.

SEC source: 0001246991-24-000313 · wk-form4_1727798057.xml · derivative · entry 1

WALTON WILLIAM H III · CIK 0001058795 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 6,932.67

Underlying: Common Stock, par value $0.01 · 295.18 shares

Expires not disclosed

F1 · derivative.exercise_price: The Phantom Stock Units convert to BXP, Inc. common stock on a 1-for-1 basis.

F2 · derivative.exercise_date: The Phantom Stock Units are awarded under the BXP, Inc. ("BXP") 2021 Stock Incentive Plan to non-employee directors who elected to receive Phantom Stock Units in lieu of director cash compensation fees. The Phantom Stock Units are to be settled in shares of BXP common stock (except that fractional units, if any, will be settled in cash) in a lump sum or in ten annual installments, at the reporting person's election, following the reporting person's retirement from the BXP Board of Directors. In addition, non-employee directors who elect a deferred payout following their retirement may make one or more elections to convert a portion (but only in 25% increments) of their notional investment from BXP common stock to a deemed investment in one or more measurement funds. These elections may only be made after the director's service on the BXP Board of Directors ends. Amounts notionally invested in measurement funds will be settled in cash instead of BXP common stock.

F2 · derivative.expiration_date: The Phantom Stock Units are awarded under the BXP, Inc. ("BXP") 2021 Stock Incentive Plan to non-employee directors who elected to receive Phantom Stock Units in lieu of director cash compensation fees. The Phantom Stock Units are to be settled in shares of BXP common stock (except that fractional units, if any, will be settled in cash) in a lump sum or in ten annual installments, at the reporting person's election, following the reporting person's retirement from the BXP Board of Directors. In addition, non-employee directors who elect a deferred payout following their retirement may make one or more elections to convert a portion (but only in 25% increments) of their notional investment from BXP common stock to a deemed investment in one or more measurement funds. These elections may only be made after the director's service on the BXP Board of Directors ends. Amounts notionally invested in measurement funds will be settled in cash instead of BXP common stock.

F3 · balance_after: Includes 89.98 Phantom Stock Units received pursuant to dividend equivalent rights which were credited to the Reporting Person on July 31, 2024.

SEC source: 0001246991-24-000287 · wk-form4_1719862723.xml · derivative · entry 1

WALTON WILLIAM H III · CIK 0001058795 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 6,547.51

Underlying: Common Stock, par value $0.01 · 374.29 shares

Expires not disclosed

F1 · derivative.exercise_price: The Phantom Stock Units convert to BXP, Inc. ("BXP") common stock on a 1-for-1 basis.

F2 · derivative.exercise_date: The Phantom Stock Units are awarded under BXP's 2021 Stock Incentive Plan to non-employee directors who elected to receive Phantom Stock Units in lieu of director cash compensation fees. The Phantom Stock Units are to be settled in shares of BXP common stock (except that fractional units, if any, will be settled in cash) in a lump sum or in ten annual installments, at the reporting person's election, following the reporting person's retirement from the BXP Board of Directors. In addition, non-employee directors who elect a deferred payout following their retirement may make one or more elections to change all or a portion (but only in 25% increments) of their notional investment from BXP common stock to a deemed investment in one or more measurement funds. These elections may only be made after the director's service on the BXP Board of Directors ends. Amounts notionally invested in measurement funds will be settled in cash instead of BXP common stock.

F2 · derivative.expiration_date: The Phantom Stock Units are awarded under BXP's 2021 Stock Incentive Plan to non-employee directors who elected to receive Phantom Stock Units in lieu of director cash compensation fees. The Phantom Stock Units are to be settled in shares of BXP common stock (except that fractional units, if any, will be settled in cash) in a lump sum or in ten annual installments, at the reporting person's election, following the reporting person's retirement from the BXP Board of Directors. In addition, non-employee directors who elect a deferred payout following their retirement may make one or more elections to change all or a portion (but only in 25% increments) of their notional investment from BXP common stock to a deemed investment in one or more measurement funds. These elections may only be made after the director's service on the BXP Board of Directors ends. Amounts notionally invested in measurement funds will be settled in cash instead of BXP common stock.

F3 · balance_after: Includes 96.23 Phantom Stock Units received pursuant to dividend equivalent rights which were credited to the Reporting Person on April 30, 2024.

SEC source: 0001246991-24-000256 · wk-form4_1717176296.xml · derivative · entry 1

WALTON WILLIAM H III · CIK 0001058795 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 11,863

Underlying: Common Stock, par value $0.01 · 2,835 shares

Expires not disclosed

F1 · security: Represents units of limited partnership interest in Boston Properties Limited Partnership ("BPLP"), of which the Issuer is the general partner, issued pursuant to the Issuer's equity based incentive programs ("LTIP Units"). Conditioned upon minimum allocations to the capital accounts of the LTIP Units for federal income tax purposes, each LTIP Unit may be converted, at the election of BPLP or the holder, into a common unit of limited partnership interest in BPLP ("Common OP Unit"). Each Common OP Unit acquired upon conversion of an LTIP Unit may be presented for redemption, at the election of the holder, for cash equal to the then fair market value of a share of the Issuer's common stock, except that the Issuer may, at its election, acquire each Common OP Unit so presented for one share of common stock. LTIP Units have no expiration date.

F1 · derivative.exercise_price: Represents units of limited partnership interest in Boston Properties Limited Partnership ("BPLP"), of which the Issuer is the general partner, issued pursuant to the Issuer's equity based incentive programs ("LTIP Units"). Conditioned upon minimum allocations to the capital accounts of the LTIP Units for federal income tax purposes, each LTIP Unit may be converted, at the election of BPLP or the holder, into a common unit of limited partnership interest in BPLP ("Common OP Unit"). Each Common OP Unit acquired upon conversion of an LTIP Unit may be presented for redemption, at the election of the holder, for cash equal to the then fair market value of a share of the Issuer's common stock, except that the Issuer may, at its election, acquire each Common OP Unit so presented for one share of common stock. LTIP Units have no expiration date.

F1 · derivative.exercise_date: Represents units of limited partnership interest in Boston Properties Limited Partnership ("BPLP"), of which the Issuer is the general partner, issued pursuant to the Issuer's equity based incentive programs ("LTIP Units"). Conditioned upon minimum allocations to the capital accounts of the LTIP Units for federal income tax purposes, each LTIP Unit may be converted, at the election of BPLP or the holder, into a common unit of limited partnership interest in BPLP ("Common OP Unit"). Each Common OP Unit acquired upon conversion of an LTIP Unit may be presented for redemption, at the election of the holder, for cash equal to the then fair market value of a share of the Issuer's common stock, except that the Issuer may, at its election, acquire each Common OP Unit so presented for one share of common stock. LTIP Units have no expiration date.

F2 · derivative.exercise_date: The 2,835 LTIP Units will vest on the earlier of (i) May 30, 2025 and (ii) the date of the BXP's 2025 annual meeting of stockholders.

F1 · derivative.expiration_date: Represents units of limited partnership interest in Boston Properties Limited Partnership ("BPLP"), of which the Issuer is the general partner, issued pursuant to the Issuer's equity based incentive programs ("LTIP Units"). Conditioned upon minimum allocations to the capital accounts of the LTIP Units for federal income tax purposes, each LTIP Unit may be converted, at the election of BPLP or the holder, into a common unit of limited partnership interest in BPLP ("Common OP Unit"). Each Common OP Unit acquired upon conversion of an LTIP Unit may be presented for redemption, at the election of the holder, for cash equal to the then fair market value of a share of the Issuer's common stock, except that the Issuer may, at its election, acquire each Common OP Unit so presented for one share of common stock. LTIP Units have no expiration date.

SEC source: 0001246991-24-000258 · wk-form4_1717176323.xml · derivative · entry 1

WALTON WILLIAM H III · CIK 0001058795 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 11,863

Underlying: Common OP Units · 2,835 shares

Expires not disclosed

F1 · security: Represents units of limited partnership interest in the Issuer issued pursuant to Boston Properties, Inc.'s ("BXP"), the Issuer's general partner, equity based incentive programs ("LTIP Units"). Conditioned upon minimum allocations to the capital accounts of the LTIP Units for federal income tax purposes, each LTIP Unit may be converted, at the election of the Issuer or the holder, into a common unit of limited partnership interest in the Issuer ("Common OP Unit"). Each Common OP Unit acquired upon conversion of an LTIP Unit may be presented for redemption, at the election of the holder, for cash equal to the then fair market value of a share of BXP's common stock, except that BXP may, at its election, acquire each Common OP Unit so presented for one share of BXP's common stock. LTIP Units have no expiration date.

F1 · derivative.exercise_price: Represents units of limited partnership interest in the Issuer issued pursuant to Boston Properties, Inc.'s ("BXP"), the Issuer's general partner, equity based incentive programs ("LTIP Units"). Conditioned upon minimum allocations to the capital accounts of the LTIP Units for federal income tax purposes, each LTIP Unit may be converted, at the election of the Issuer or the holder, into a common unit of limited partnership interest in the Issuer ("Common OP Unit"). Each Common OP Unit acquired upon conversion of an LTIP Unit may be presented for redemption, at the election of the holder, for cash equal to the then fair market value of a share of BXP's common stock, except that BXP may, at its election, acquire each Common OP Unit so presented for one share of BXP's common stock. LTIP Units have no expiration date.

F1 · derivative.exercise_date: Represents units of limited partnership interest in the Issuer issued pursuant to Boston Properties, Inc.'s ("BXP"), the Issuer's general partner, equity based incentive programs ("LTIP Units"). Conditioned upon minimum allocations to the capital accounts of the LTIP Units for federal income tax purposes, each LTIP Unit may be converted, at the election of the Issuer or the holder, into a common unit of limited partnership interest in the Issuer ("Common OP Unit"). Each Common OP Unit acquired upon conversion of an LTIP Unit may be presented for redemption, at the election of the holder, for cash equal to the then fair market value of a share of BXP's common stock, except that BXP may, at its election, acquire each Common OP Unit so presented for one share of BXP's common stock. LTIP Units have no expiration date.

F2 · derivative.exercise_date: The 2,835 LTIP Units will vest on the earlier of (i) May 30, 2025 and (ii) the date of BXP's 2025 annual meeting of stockholders.

F1 · derivative.expiration_date: Represents units of limited partnership interest in the Issuer issued pursuant to Boston Properties, Inc.'s ("BXP"), the Issuer's general partner, equity based incentive programs ("LTIP Units"). Conditioned upon minimum allocations to the capital accounts of the LTIP Units for federal income tax purposes, each LTIP Unit may be converted, at the election of the Issuer or the holder, into a common unit of limited partnership interest in the Issuer ("Common OP Unit"). Each Common OP Unit acquired upon conversion of an LTIP Unit may be presented for redemption, at the election of the holder, for cash equal to the then fair market value of a share of BXP's common stock, except that BXP may, at its election, acquire each Common OP Unit so presented for one share of BXP's common stock. LTIP Units have no expiration date.

SEC source: 0001474506-24-000153 · primary_doc.xml · nonDerivative · entry 1

WALTON WILLIAM H III · CIK 0001058795 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 45,066

F1 · security: The reporting person was awarded shares pursuant to the Company's director compensation arrangements.

F2 · balance_after: The reporting person's holdings have been adjusted to reflect the two-for-one stock split effected April 12, 2024.

SEC source: 0001246991-24-000220 · wk-form4_1711999441.xml · derivative · entry 1

WALTON WILLIAM H III · CIK 0001058795 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 6,076.99

Underlying: Common Stock, par value $0.01 · 363.65 shares

Expires not disclosed

F1 · derivative.exercise_price: The Phantom Stock Units convert to Boston Properties, Inc. common stock on a 1-for-1 basis.

F2 · derivative.exercise_date: The Phantom Stock Units are awarded under the Boston Properties, Inc. ("BXP") 2021 Stock Incentive Plan to non-employee directors who elected to receive Phantom Stock Units in lieu of director cash compensation fees. The Phantom Stock Units are to be settled in shares of BXP common stock (except that fractional units, if any, will be settled in cash) in a lump sum or in ten annual installments, at the reporting person's election, following the reporting person's retirement from the BXP Board of Directors. In addition, non-employee directors who elect a deferred payout following their retirement may make one or more elections to convert a portion (but only in 25% increments) of their notional investment from BXP common stock to a deemed investment in one or more measurement funds. These elections may only be made after the director's service on the BXP Board of Directors ends. Amounts notionally invested in measurement funds will be settled in cash instead of BXP common stock.

F2 · derivative.expiration_date: The Phantom Stock Units are awarded under the Boston Properties, Inc. ("BXP") 2021 Stock Incentive Plan to non-employee directors who elected to receive Phantom Stock Units in lieu of director cash compensation fees. The Phantom Stock Units are to be settled in shares of BXP common stock (except that fractional units, if any, will be settled in cash) in a lump sum or in ten annual installments, at the reporting person's election, following the reporting person's retirement from the BXP Board of Directors. In addition, non-employee directors who elect a deferred payout following their retirement may make one or more elections to convert a portion (but only in 25% increments) of their notional investment from BXP common stock to a deemed investment in one or more measurement funds. These elections may only be made after the director's service on the BXP Board of Directors ends. Amounts notionally invested in measurement funds will be settled in cash instead of BXP common stock.

F3 · balance_after: Includes 78.88 Phantom Stock Units received pursuant to dividend equivalent rights which were credited to the Reporting Person on January 30, 2024.

SEC source: 0001246991-24-000015 · wk-form4_1704225000.xml · derivative · entry 1

WALTON WILLIAM H III · CIK 0001058795 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 5,634.46

Underlying: Common Stock, par value $0.01 · 338.46 shares

Expires not disclosed

F1 · derivative.exercise_price: The Phantom Stock Units convert to Boston Properties, Inc. common stock on a 1-for-1 basis.

F2 · derivative.exercise_date: The Phantom Stock Units are awarded under the Boston Properties, Inc. ("BXP") 2021 Stock Incentive Plan to non-employee directors who elected to receive Phantom Stock Units in lieu of director cash compensation fees. The Phantom Stock Units are to be settled in shares of BXP common stock (except that fractional units, if any, will be settled in cash) in a lump sum or in ten annual installments, at the reporting person's election, following the reporting person's retirement from the BXP Board of Directors. In addition, non-employee directors who elect a deferred payout following their retirement may make one or more elections to convert a portion (but only in 25% increments) of their notional investment from BXP common stock to a deemed investment in one or more measurement funds. These elections may only be made after the director's service on the BXP Board of Directors ends. Amounts notionally invested in measurement funds will be settled in cash instead of BXP common stock.

F2 · derivative.expiration_date: The Phantom Stock Units are awarded under the Boston Properties, Inc. ("BXP") 2021 Stock Incentive Plan to non-employee directors who elected to receive Phantom Stock Units in lieu of director cash compensation fees. The Phantom Stock Units are to be settled in shares of BXP common stock (except that fractional units, if any, will be settled in cash) in a lump sum or in ten annual installments, at the reporting person's election, following the reporting person's retirement from the BXP Board of Directors. In addition, non-employee directors who elect a deferred payout following their retirement may make one or more elections to convert a portion (but only in 25% increments) of their notional investment from BXP common stock to a deemed investment in one or more measurement funds. These elections may only be made after the director's service on the BXP Board of Directors ends. Amounts notionally invested in measurement funds will be settled in cash instead of BXP common stock.

F3 · balance_after: Includes 95.14 Phantom Stock Units received pursuant to dividend equivalent rights which were credited to the reporting person on October 31, 2023.

SEC source: 0001246991-23-000254 · wf-form4_169627744364310.xml · derivative · entry 1

WALTON WILLIAM H III · CIK 0001058795 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 5,200.86

Underlying: Common Stock, par value $0.01 · 399.29 shares

Expires not disclosed

F1 · derivative.exercise_price: The Phantom Stock Units convert to Boston Properties, Inc. common stock on a 1-for-1 basis.

F2 · derivative.exercise_date: The Phantom Stock Units are awarded under the Boston Properties, Inc. ("BXP") 2021 Stock Incentive Plan to non-employee directors who elected to receive Phantom Stock Units in lieu of director cash compensation fees. The Phantom Stock Units are to be settled in shares of BXP common stock (except that fractional units, if any, will be settled in cash) in a lump sum or in ten annual installments, at the reporting person's election, following the reporting person's retirement from the BXP Board of Directors. In addition, non-employee directors who elect a deferred payout following their retirement may make one or more elections to convert a portion (but only in 25% increments) of their notional investment from BXP common stock to a deemed investment in one or more measurement funds. These elections may only be made after the director's service on the BXP Board of Directors ends. Amounts notionally invested in measurement funds will be settled in cash instead of BXP common stock.

F2 · derivative.expiration_date: The Phantom Stock Units are awarded under the Boston Properties, Inc. ("BXP") 2021 Stock Incentive Plan to non-employee directors who elected to receive Phantom Stock Units in lieu of director cash compensation fees. The Phantom Stock Units are to be settled in shares of BXP common stock (except that fractional units, if any, will be settled in cash) in a lump sum or in ten annual installments, at the reporting person's election, following the reporting person's retirement from the BXP Board of Directors. In addition, non-employee directors who elect a deferred payout following their retirement may make one or more elections to convert a portion (but only in 25% increments) of their notional investment from BXP common stock to a deemed investment in one or more measurement funds. These elections may only be made after the director's service on the BXP Board of Directors ends. Amounts notionally invested in measurement funds will be settled in cash instead of BXP common stock.

F3 · balance_after: Includes 69.60 Phantom Stock Units received pursuant to dividend equivalent rights which were credited to the Reporting Person on July 31, 2023.

SEC source: 0001246991-23-000216 · wf-form4_168856876008769.xml · derivative · entry 1

WALTON WILLIAM H III · CIK 0001058795 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 4,731.97

Underlying: Common Stock, par value $0.01 · 397.68 shares

Expires not disclosed

F1 · derivative.exercise_price: The Phantom Stock Units convert to Boston Properties, Inc. common stock on a 1-for-1 basis.

F2 · derivative.exercise_date: The Phantom Stock Units are awarded under the Boston Properties, Inc. ("BXP") 2021 Stock Incentive Plan to non-employee directors who elected to receive Phantom Stock Units in lieu of director cash compensation fees. The Phantom Stock Units are to be settled in shares of BXP common stock (except that fractional units, if any, will be settled in cash) in a lump sum or in ten annual installments, at the reporting person's election, following the reporting person's retirement from the BXP Board of Directors. In addition, non-employee directors who elect a deferred payout following their retirement may make one or more elections to convert a portion (but only in 25% increments) of their notional investment from BXP common stock to a deemed investment in one or more measurement funds. These elections may only be made after the director's service on the BXP Board of Directors ends. Amounts notionally invested in measurement funds will be settled in cash instead of BXP common stock.

F2 · derivative.expiration_date: The Phantom Stock Units are awarded under the Boston Properties, Inc. ("BXP") 2021 Stock Incentive Plan to non-employee directors who elected to receive Phantom Stock Units in lieu of director cash compensation fees. The Phantom Stock Units are to be settled in shares of BXP common stock (except that fractional units, if any, will be settled in cash) in a lump sum or in ten annual installments, at the reporting person's election, following the reporting person's retirement from the BXP Board of Directors. In addition, non-employee directors who elect a deferred payout following their retirement may make one or more elections to convert a portion (but only in 25% increments) of their notional investment from BXP common stock to a deemed investment in one or more measurement funds. These elections may only be made after the director's service on the BXP Board of Directors ends. Amounts notionally invested in measurement funds will be settled in cash instead of BXP common stock.

F3 · balance_after: Includes 78.17 Phantom Stock Units received pursuant to dividend equivalent rights which were credited to the reporting person on April 28, 2023.

SEC source: 0001246991-23-000196 · wf-form4_168571382713373.xml · derivative · entry 1

WALTON WILLIAM H III · CIK 0001058795 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 9,028

Underlying: Common OP Units · 3,390 shares

Expires not disclosed

F1 · security: Represents units of limited partnership interest in the Issuer issued pursuant to Boston Properties, Inc.'s ("BXP"), the Issuer's general partner, equity based incentive programs ("LTIP Units"). Conditioned upon minimum allocations to the capital accounts of the LTIP Units for federal income tax purposes, each LTIP Unit may be converted, at the election of the Issuer or the holder, into a common unit of limited partnership interest in the Issuer ("Common OP Unit"). Each Common OP Unit acquired upon conversion of an LTIP Unit may be presented for redemption, at the election of the holder, for cash equal to the then fair market value of a share of BXP's common stock, except that BXP may, at its election, acquire each Common OP Unit so presented for one share of BXP's common stock. LTIP Units have no expiration date.

F1 · derivative.exercise_price: Represents units of limited partnership interest in the Issuer issued pursuant to Boston Properties, Inc.'s ("BXP"), the Issuer's general partner, equity based incentive programs ("LTIP Units"). Conditioned upon minimum allocations to the capital accounts of the LTIP Units for federal income tax purposes, each LTIP Unit may be converted, at the election of the Issuer or the holder, into a common unit of limited partnership interest in the Issuer ("Common OP Unit"). Each Common OP Unit acquired upon conversion of an LTIP Unit may be presented for redemption, at the election of the holder, for cash equal to the then fair market value of a share of BXP's common stock, except that BXP may, at its election, acquire each Common OP Unit so presented for one share of BXP's common stock. LTIP Units have no expiration date.

F1 · derivative.exercise_date: Represents units of limited partnership interest in the Issuer issued pursuant to Boston Properties, Inc.'s ("BXP"), the Issuer's general partner, equity based incentive programs ("LTIP Units"). Conditioned upon minimum allocations to the capital accounts of the LTIP Units for federal income tax purposes, each LTIP Unit may be converted, at the election of the Issuer or the holder, into a common unit of limited partnership interest in the Issuer ("Common OP Unit"). Each Common OP Unit acquired upon conversion of an LTIP Unit may be presented for redemption, at the election of the holder, for cash equal to the then fair market value of a share of BXP's common stock, except that BXP may, at its election, acquire each Common OP Unit so presented for one share of BXP's common stock. LTIP Units have no expiration date.

F2 · derivative.exercise_date: The 3,390 LTIP Units will vest on the earlier of (i) May 31, 2024 and (ii) the date of BXP's 2024 annual meeting of stockholders.

F1 · derivative.expiration_date: Represents units of limited partnership interest in the Issuer issued pursuant to Boston Properties, Inc.'s ("BXP"), the Issuer's general partner, equity based incentive programs ("LTIP Units"). Conditioned upon minimum allocations to the capital accounts of the LTIP Units for federal income tax purposes, each LTIP Unit may be converted, at the election of the Issuer or the holder, into a common unit of limited partnership interest in the Issuer ("Common OP Unit"). Each Common OP Unit acquired upon conversion of an LTIP Unit may be presented for redemption, at the election of the holder, for cash equal to the then fair market value of a share of BXP's common stock, except that BXP may, at its election, acquire each Common OP Unit so presented for one share of BXP's common stock. LTIP Units have no expiration date.

SEC source: 0001246991-23-000187 · wf-form4_168571369183908.xml · derivative · entry 1

WALTON WILLIAM H III · CIK 0001058795 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 9,028

Underlying: Common Stock, par value $0.01 · 3,390 shares

Expires not disclosed

F1 · security: Represents units of limited partnership interest in Boston Properties Limited Partnership ("BPLP"), of which the Issuer is the general partner, issued pursuant to the Issuer's equity based incentive programs ("LTIP Units"). Conditioned upon minimum allocations to the capital accounts of the LTIP Units for federal income tax purposes, each LTIP Unit may be converted, at the election of BPLP or the holder, into a common unit of limited partnership interest in BPLP ("Common OP Unit"). Each Common OP Unit acquired upon conversion of an LTIP Unit may be presented for redemption, at the election of the holder, for cash equal to the then fair market value of a share of the Issuer's common stock, except that the Issuer may, at its election, acquire each Common OP Unit so presented for one share of common stock. LTIP Units have no expiration date.

F1 · derivative.exercise_price: Represents units of limited partnership interest in Boston Properties Limited Partnership ("BPLP"), of which the Issuer is the general partner, issued pursuant to the Issuer's equity based incentive programs ("LTIP Units"). Conditioned upon minimum allocations to the capital accounts of the LTIP Units for federal income tax purposes, each LTIP Unit may be converted, at the election of BPLP or the holder, into a common unit of limited partnership interest in BPLP ("Common OP Unit"). Each Common OP Unit acquired upon conversion of an LTIP Unit may be presented for redemption, at the election of the holder, for cash equal to the then fair market value of a share of the Issuer's common stock, except that the Issuer may, at its election, acquire each Common OP Unit so presented for one share of common stock. LTIP Units have no expiration date.

F1 · derivative.exercise_date: Represents units of limited partnership interest in Boston Properties Limited Partnership ("BPLP"), of which the Issuer is the general partner, issued pursuant to the Issuer's equity based incentive programs ("LTIP Units"). Conditioned upon minimum allocations to the capital accounts of the LTIP Units for federal income tax purposes, each LTIP Unit may be converted, at the election of BPLP or the holder, into a common unit of limited partnership interest in BPLP ("Common OP Unit"). Each Common OP Unit acquired upon conversion of an LTIP Unit may be presented for redemption, at the election of the holder, for cash equal to the then fair market value of a share of the Issuer's common stock, except that the Issuer may, at its election, acquire each Common OP Unit so presented for one share of common stock. LTIP Units have no expiration date.

F2 · derivative.exercise_date: The 3,390 LTIP Units will vest on the earlier of (i) May 31, 2024 and (ii) the date of BXP's 2024 annual meeting of stockholders.

F1 · derivative.expiration_date: Represents units of limited partnership interest in Boston Properties Limited Partnership ("BPLP"), of which the Issuer is the general partner, issued pursuant to the Issuer's equity based incentive programs ("LTIP Units"). Conditioned upon minimum allocations to the capital accounts of the LTIP Units for federal income tax purposes, each LTIP Unit may be converted, at the election of BPLP or the holder, into a common unit of limited partnership interest in BPLP ("Common OP Unit"). Each Common OP Unit acquired upon conversion of an LTIP Unit may be presented for redemption, at the election of the holder, for cash equal to the then fair market value of a share of the Issuer's common stock, except that the Issuer may, at its election, acquire each Common OP Unit so presented for one share of common stock. LTIP Units have no expiration date.

SEC source: 0001474506-23-000208 · primary_doc.xml · nonDerivative · entry 1

WALTON WILLIAM H III · CIK 0001058795 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · Held in Living Trust

Disclosed balance after: 20,920

F1 · shares: The reporting person was awarded shares pursuant to the Company's director compensation arrangements.

SEC source: 0001246991-23-000157 · wf-form4_168055526019726.xml · derivative · entry 1

WALTON WILLIAM H III · CIK 0001058795 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 4,256.12

Underlying: Common Stock, par value $0.01 · 438.84 shares

Expires not disclosed

F1 · derivative.exercise_price: The Phantom Stock Units convert to Common Stock on a 1-for-1 basis

F2 · derivative.exercise_date: The Phantom Stock Units are awarded under the Boston Properties, Inc. ("BXP") 2021 Stock Incentive Plan (the "2021 Plan") to non-employee directors who elected to receive Phantom Stock Units in lieu of director cash compensation fees. The Phantom Stock Units are to be settled in shares of BXP common stock (except that fractional units, if any, will be settled in cash) in a lump sum or in ten annual installments, at the reporting person's election, following the reporting person's retirement from the BXP Board of Directors. In addition, non-employee directors who elect a deferred payout following their retirement may elect to convert not less than 100% of their notional investment from BXP common stock to a deemed investment in one or more measurement funds. This election may only be made after the director's service on the BXP Board of Directors ends. A director's account that has been converted to measurement funds will be settled in cash instead of BXP common stock.

F2 · derivative.expiration_date: The Phantom Stock Units are awarded under the Boston Properties, Inc. ("BXP") 2021 Stock Incentive Plan (the "2021 Plan") to non-employee directors who elected to receive Phantom Stock Units in lieu of director cash compensation fees. The Phantom Stock Units are to be settled in shares of BXP common stock (except that fractional units, if any, will be settled in cash) in a lump sum or in ten annual installments, at the reporting person's election, following the reporting person's retirement from the BXP Board of Directors. In addition, non-employee directors who elect a deferred payout following their retirement may elect to convert not less than 100% of their notional investment from BXP common stock to a deemed investment in one or more measurement funds. This election may only be made after the director's service on the BXP Board of Directors ends. A director's account that has been converted to measurement funds will be settled in cash instead of BXP common stock.

F3 · balance_after: Includes 51.13 Phantom Stock Units received pursuant to dividend equivalent rights which were credited to the Reporting Person on January 30, 2023.

SEC source: 0001567619-23-004795 · doc1.xml · nonDerivative · entry 1

WALTON WILLIAM H III · CIK 0001058795 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 14,141

F1 · shares: This restricted stock award was granted to the reporting person on March 8, 2023 pursuant to Dream Finders Homes, Inc.'s 2021 Equity Incentive Plan. Such shares of Class A common stock of Dream Finders Homes, Inc. will vest in three equal annual installments beginning March 8, 2024 and each anniversary thereof.

SEC source: 0000897069-23-000257 · form4.xml · nonDerivative · entry 1

WALTON WILLIAM H III · CIK 0001058795 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 12,859

F1 · shares: This restricted stock award was granted to the reporting person on March 8, 2023 pursuant to Dream Finders Homes, Inc.'s 2021 Equity Incentive Plan. Such shares of Class A common stock of Dream Finders Homes, Inc. will vest in three equal annual installments beginning March 8, 2024 and each anniversary thereof.

F4 · balance_after: Amendment filed solely to correct the amount indirectly owned.

SEC source: 0001246991-23-000012 · wf-form4_167277272495724.xml · derivative · entry 1

WALTON WILLIAM H III · CIK 0001058795 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 3,766.15

Underlying: Common Stock, par value $0.01 · 351.44 shares

Expires not disclosed

F1 · derivative.exercise_price: The Phantom Stock Units convert to Common Stock on a 1-for-1 basis

F2 · derivative.exercise_date: The Phantom Stock Units are awarded under the Boston Properties, Inc. ("BXP") 2021 Stock Incentive Plan (the "2021 Plan") to non-employee directors who elected to receive Phantom Stock Units in lieu of director cash compensation fees. The Phantom Stock Units are to be settled in shares of BXP common stock (except that fractional units, if any, will be settled in cash) in a lump sum or in ten annual installments, at the reporting person's election, following the reporting person's retirement from the BXP Board of Directors. In addition, non-employee directors who elect a deferred payout following their retirement may elect to convert not less than 100% of their notional investment from BXP common stock to a deemed investment in one or more measurement funds. This election may only be made after the director's service on the BXP Board of Directors ends. A director's account that has been converted to measurement funds will be settled in cash instead of BXP common stock.

F2 · derivative.expiration_date: The Phantom Stock Units are awarded under the Boston Properties, Inc. ("BXP") 2021 Stock Incentive Plan (the "2021 Plan") to non-employee directors who elected to receive Phantom Stock Units in lieu of director cash compensation fees. The Phantom Stock Units are to be settled in shares of BXP common stock (except that fractional units, if any, will be settled in cash) in a lump sum or in ten annual installments, at the reporting person's election, following the reporting person's retirement from the BXP Board of Directors. In addition, non-employee directors who elect a deferred payout following their retirement may elect to convert not less than 100% of their notional investment from BXP common stock to a deemed investment in one or more measurement funds. This election may only be made after the director's service on the BXP Board of Directors ends. A director's account that has been converted to measurement funds will be settled in cash instead of BXP common stock.

F3 · balance_after: Includes 45.42 Phantom Stock Units received pursuant to dividend equivalent rights which were credited to the Reporting Person on October 31, 2022.

SEC source: 0001246991-22-000224 · wf-form4_166482580076343.xml · derivative · entry 1

WALTON WILLIAM H III · CIK 0001058795 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 3,369.29

Underlying: Common Stock, par value $0.01 · 316.79 shares

Expires not disclosed

F1 · derivative.exercise_price: The Phantom Stock Units convert to Common Stock on a 1-for-1 basis

F2 · derivative.exercise_date: The Phantom Stock Units are awarded under the Boston Properties, Inc. ("BXP") 2021 Stock Incentive Plan (the "2021 Plan") to non-employee directors who elected to receive Phantom Stock Units in lieu of director cash compensation fees. The Phantom Stock Units are to be settled in shares of BXP common stock (except that fractional units, if any, will be settled in cash) in a lump sum or in ten annual installments, at the reporting person's election, following the reporting person's retirement from the BXP Board of Directors. In addition, non-employee directors who elect a deferred payout following their retirement may elect to convert not less than 100% of their notional investment from BXP common stock to a deemed investment in one or more measurement funds. This election may only be made after the director's service on the BXP Board of Directors ends. A director's account that has been converted to measurement funds will be settled in cash instead of BXP common stock.

F2 · derivative.expiration_date: The Phantom Stock Units are awarded under the Boston Properties, Inc. ("BXP") 2021 Stock Incentive Plan (the "2021 Plan") to non-employee directors who elected to receive Phantom Stock Units in lieu of director cash compensation fees. The Phantom Stock Units are to be settled in shares of BXP common stock (except that fractional units, if any, will be settled in cash) in a lump sum or in ten annual installments, at the reporting person's election, following the reporting person's retirement from the BXP Board of Directors. In addition, non-employee directors who elect a deferred payout following their retirement may elect to convert not less than 100% of their notional investment from BXP common stock to a deemed investment in one or more measurement funds. This election may only be made after the director's service on the BXP Board of Directors ends. A director's account that has been converted to measurement funds will be settled in cash instead of BXP common stock.

F3 · balance_after: Includes 32.47 Phantom Stock Units received pursuant to dividend equivalent rights which were credited to the Reporting Person on July 29, 2022.

SEC source: 0001246991-22-000202 · wf-form4_165704594417679.xml · derivative · entry 1

WALTON WILLIAM H III · CIK 0001058795 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 3,020.03

Underlying: Common Stock, par value $0.01 · 262.69 shares

Expires not disclosed

F1 · derivative.exercise_price: The Phantom Stock Units convert to Common Stock on a 1-for-1 basis

F2 · derivative.exercise_date: The Phantom Stock Units are awarded under the Boston Properties, Inc. ("BXP") 2021 Stock Incentive Plan (the "2021 Plan") to non-employee directors who elected to receive Phantom Stock Units in lieu of director cash compensation fees. The Phantom Stock Units are to be settled in shares of BXP common stock (except that fractional units, if any, will be settled in cash) in a lump sum or in ten annual installments, at the reporting person's election, following the reporting person's retirement from the BXP Board of Directors. In addition, non-employee directors who elect a deferred payout following their retirement may elect to convert not less than 100% of their notional investment from BXP common stock to a deemed investment in one or more measurement funds. This election may only be made after the director's service on the BXP Board of Directors ends. A director's account that has been converted to measurement funds will be settled in cash instead of BXP common stock.

F2 · derivative.expiration_date: The Phantom Stock Units are awarded under the Boston Properties, Inc. ("BXP") 2021 Stock Incentive Plan (the "2021 Plan") to non-employee directors who elected to receive Phantom Stock Units in lieu of director cash compensation fees. The Phantom Stock Units are to be settled in shares of BXP common stock (except that fractional units, if any, will be settled in cash) in a lump sum or in ten annual installments, at the reporting person's election, following the reporting person's retirement from the BXP Board of Directors. In addition, non-employee directors who elect a deferred payout following their retirement may elect to convert not less than 100% of their notional investment from BXP common stock to a deemed investment in one or more measurement funds. This election may only be made after the director's service on the BXP Board of Directors ends. A director's account that has been converted to measurement funds will be settled in cash instead of BXP common stock.

F3 · balance_after: Includes 22.79 Phantom Stock Units received pursuant to dividend equivalent rights which were credited to the Reporting Person on April 29, 2022.

SEC source: 0001567619-22-022099 · doc1.xml · nonDerivative · entry 2

WALTON WILLIAM H III · CIK 0001058795 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 433,235

F1 · ownership.nature: Such shares of Class A Common Stock are owned directly by the William H. Walton, Ill Living Trust, u/a dated 06/06/2014. The reporting person is the sole trustee of the William H, Walton, Ill Living Trust, u/a dated 06/06/2014.

SEC source: 0001246991-22-000188 · wf-form4_165402944093012.xml · derivative · entry 1

WALTON WILLIAM H III · CIK 0001058795 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 5,638

Underlying: Common Stock, par value $0.01 · 1,504 shares

Expires not disclosed

F1 · security: Represents units of limited partnership interest in Boston Properties Limited Partnership ("BPLP"), of which the Issuer is the general partner, issued pursuant to the Issuer's equity based incentive programs ("LTIP Units"). Conditioned upon minimum allocations to the capital accounts of the LTIP Units for federal income tax purposes, each LTIP Unit may be converted, at the election of BPLP or the holder, into a common unit of limited partnership interest in BPLP ("Common OP Unit"). Each Common OP Unit acquired upon conversion of an LTIP Unit may be presented for redemption, at the election of the holder, for cash equal to the then fair market value of a share of the Issuer's common stock, except that the Issuer may, at its election, acquire each Common OP Unit so presented for one share of common stock. LTIP Units have no expiration date.

F1 · derivative.exercise_price: Represents units of limited partnership interest in Boston Properties Limited Partnership ("BPLP"), of which the Issuer is the general partner, issued pursuant to the Issuer's equity based incentive programs ("LTIP Units"). Conditioned upon minimum allocations to the capital accounts of the LTIP Units for federal income tax purposes, each LTIP Unit may be converted, at the election of BPLP or the holder, into a common unit of limited partnership interest in BPLP ("Common OP Unit"). Each Common OP Unit acquired upon conversion of an LTIP Unit may be presented for redemption, at the election of the holder, for cash equal to the then fair market value of a share of the Issuer's common stock, except that the Issuer may, at its election, acquire each Common OP Unit so presented for one share of common stock. LTIP Units have no expiration date.

F1 · derivative.exercise_date: Represents units of limited partnership interest in Boston Properties Limited Partnership ("BPLP"), of which the Issuer is the general partner, issued pursuant to the Issuer's equity based incentive programs ("LTIP Units"). Conditioned upon minimum allocations to the capital accounts of the LTIP Units for federal income tax purposes, each LTIP Unit may be converted, at the election of BPLP or the holder, into a common unit of limited partnership interest in BPLP ("Common OP Unit"). Each Common OP Unit acquired upon conversion of an LTIP Unit may be presented for redemption, at the election of the holder, for cash equal to the then fair market value of a share of the Issuer's common stock, except that the Issuer may, at its election, acquire each Common OP Unit so presented for one share of common stock. LTIP Units have no expiration date.

F2 · derivative.exercise_date: The 1,504 LTIP Units will vest on the earlier of (i) May 26, 2023 and (ii) the date of the Issuer's 2023 annual meeting of stockholders.

F1 · derivative.expiration_date: Represents units of limited partnership interest in Boston Properties Limited Partnership ("BPLP"), of which the Issuer is the general partner, issued pursuant to the Issuer's equity based incentive programs ("LTIP Units"). Conditioned upon minimum allocations to the capital accounts of the LTIP Units for federal income tax purposes, each LTIP Unit may be converted, at the election of BPLP or the holder, into a common unit of limited partnership interest in BPLP ("Common OP Unit"). Each Common OP Unit acquired upon conversion of an LTIP Unit may be presented for redemption, at the election of the holder, for cash equal to the then fair market value of a share of the Issuer's common stock, except that the Issuer may, at its election, acquire each Common OP Unit so presented for one share of common stock. LTIP Units have no expiration date.

SEC source: 0001246991-22-000187 · wf-form4_165402940482660.xml · derivative · entry 1

WALTON WILLIAM H III · CIK 0001058795 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 5,638

Underlying: Common OP Units · 1,504 shares

Expires not disclosed

F1 · security: Represents units of limited partnership interest in the Issuer issued pursuant to Boston Properties, Inc.'s ("BXP"), the Issuer's general partner, equity based incentive programs ("LTIP Units"). Conditioned upon minimum allocations to the capital accounts of the LTIP Units for federal income tax purposes, each LTIP Unit may be converted, at the election of the Issuer or the holder, into a common unit of limited partnership interest in the Issuer ("Common OP Unit"). Each Common OP Unit acquired upon conversion of an LTIP Unit may be presented for redemption, at the election of the holder, for cash equal to the then fair market value of a share of BXP's common stock, except that BXP may, at its election, acquire each Common OP Unit so presented for one share of BXP's common stock. LTIP Units have no expiration date.

F1 · derivative.exercise_price: Represents units of limited partnership interest in the Issuer issued pursuant to Boston Properties, Inc.'s ("BXP"), the Issuer's general partner, equity based incentive programs ("LTIP Units"). Conditioned upon minimum allocations to the capital accounts of the LTIP Units for federal income tax purposes, each LTIP Unit may be converted, at the election of the Issuer or the holder, into a common unit of limited partnership interest in the Issuer ("Common OP Unit"). Each Common OP Unit acquired upon conversion of an LTIP Unit may be presented for redemption, at the election of the holder, for cash equal to the then fair market value of a share of BXP's common stock, except that BXP may, at its election, acquire each Common OP Unit so presented for one share of BXP's common stock. LTIP Units have no expiration date.

F1 · derivative.exercise_date: Represents units of limited partnership interest in the Issuer issued pursuant to Boston Properties, Inc.'s ("BXP"), the Issuer's general partner, equity based incentive programs ("LTIP Units"). Conditioned upon minimum allocations to the capital accounts of the LTIP Units for federal income tax purposes, each LTIP Unit may be converted, at the election of the Issuer or the holder, into a common unit of limited partnership interest in the Issuer ("Common OP Unit"). Each Common OP Unit acquired upon conversion of an LTIP Unit may be presented for redemption, at the election of the holder, for cash equal to the then fair market value of a share of BXP's common stock, except that BXP may, at its election, acquire each Common OP Unit so presented for one share of BXP's common stock. LTIP Units have no expiration date.

F2 · derivative.exercise_date: The 1,504 LTIP Units will vest on the earlier of (i) May 26, 2023 and (ii) the date of BXP's 2023 annual meeting of stockholders.

F1 · derivative.expiration_date: Represents units of limited partnership interest in the Issuer issued pursuant to Boston Properties, Inc.'s ("BXP"), the Issuer's general partner, equity based incentive programs ("LTIP Units"). Conditioned upon minimum allocations to the capital accounts of the LTIP Units for federal income tax purposes, each LTIP Unit may be converted, at the election of the Issuer or the holder, into a common unit of limited partnership interest in the Issuer ("Common OP Unit"). Each Common OP Unit acquired upon conversion of an LTIP Unit may be presented for redemption, at the election of the holder, for cash equal to the then fair market value of a share of BXP's common stock, except that BXP may, at its election, acquire each Common OP Unit so presented for one share of BXP's common stock. LTIP Units have no expiration date.

SEC source: 0001474506-22-000045 · primary_doc.xml · nonDerivative · entry 1

WALTON WILLIAM H III · CIK 0001058795 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 19,190

F1 · shares: The reporting person was awarded shares pursuant to the Company's director compensation arrangements.

SEC source: 0001567619-22-011085 · doc1.xml · nonDerivative · entry 1

WALTON WILLIAM H III · CIK 0001058795 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 6,768

F1 · shares: This restricted stock award was granted to the reporting person on May 13, 2022 pursuant to Dream Finders Homes, Inc.'s 2021 Equity Incentive Plan. Such shares of Class A common stock of Dream Finders Homes, Inc. will vest in three equal annual installments beginning April 1, 2023 and each anniversary thereof.

SEC source: 0001246991-22-000156 · wf-form4_164882656665895.xml · derivative · entry 1

WALTON WILLIAM H III · CIK 0001058795 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 2,734.55

Underlying: Common Stock, par value $0.01 · 184.39 shares

Expires not disclosed

F1 · derivative.exercise_price: The Phantom Stock Units convert to Common Stock on a 1-for-1 basis.

F2 · derivative.exercise_date: The Phantom Stock Units are awarded under the Boston Properties, Inc. 2021 Stock Incentive Plan (the "2021 Plan") to non-employee directors who elected to receive Phantom Stock Units in lieu of director cash compensation fees. The Phantom Stock Units are to be settled in shares of Common Stock (except that fractional units, if any, will be settled in cash) in a lump sum or in ten annual installments, at the Reporting Person's election, following the Reporting Person's retirement from the Boston Properties, Inc. Board of Directors. In addition, non-employee directors who elect a deferred payout following their retirement may elect to convert not less than 100% of their notional investment from Common Stock to a deemed investment in one or more measurement funds. This election may only be made after the director's service on the Board of Directors ends. A director's account that has been converted to measurement funds will be settled in cash instead of Common Stock.

F2 · derivative.expiration_date: The Phantom Stock Units are awarded under the Boston Properties, Inc. 2021 Stock Incentive Plan (the "2021 Plan") to non-employee directors who elected to receive Phantom Stock Units in lieu of director cash compensation fees. The Phantom Stock Units are to be settled in shares of Common Stock (except that fractional units, if any, will be settled in cash) in a lump sum or in ten annual installments, at the Reporting Person's election, following the Reporting Person's retirement from the Boston Properties, Inc. Board of Directors. In addition, non-employee directors who elect a deferred payout following their retirement may elect to convert not less than 100% of their notional investment from Common Stock to a deemed investment in one or more measurement funds. This election may only be made after the director's service on the Board of Directors ends. A director's account that has been converted to measurement funds will be settled in cash instead of Common Stock.

F3 · balance_after: Includes 21.87 Phantom Stock Units received pursuant to dividend equivalent rights which were credited to the Reporting Person on January 28, 2022.

SEC source: 0001246991-22-000018 · wf-form4_164130894079199.xml · derivative · entry 1

WALTON WILLIAM H III · CIK 0001058795 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 2,528.29

Underlying: Common Stock, par value $0.01 · 206.2 shares

Expires not disclosed

F1 · derivative.exercise_price: The Phantom Stock Units convert to Common Stock on a 1-for-1 basis.

F2 · derivative.exercise_date: The Phantom Stock Units are awarded under the Boston Properties, Inc. 2021 Stock Incentive Plan (the "2021 Plan") to non-employee directors who elected to receive Phantom Stock Units in lieu of director cash compensation fees. The Phantom Stock Units are to be settled in shares of Common Stock (except that fractional units, if any, will be settled in cash) in a lump sum or in ten annual installments, at the Reporting Person's election, following the Reporting Person's retirement from the Boston Properties, Inc. Board of Directors. In addition, non-employee directors who elect a deferred payout following their retirement may elect to convert not less than 100% of their notional investment from Common Stock to a deemed investment in one or more measurement funds. This election may only be made after the director's service on the Board of Directors ends. A director's account that has been converted to measurement funds will be settled in cash instead of Common Stock.

F2 · derivative.expiration_date: The Phantom Stock Units are awarded under the Boston Properties, Inc. 2021 Stock Incentive Plan (the "2021 Plan") to non-employee directors who elected to receive Phantom Stock Units in lieu of director cash compensation fees. The Phantom Stock Units are to be settled in shares of Common Stock (except that fractional units, if any, will be settled in cash) in a lump sum or in ten annual installments, at the Reporting Person's election, following the Reporting Person's retirement from the Boston Properties, Inc. Board of Directors. In addition, non-employee directors who elect a deferred payout following their retirement may elect to convert not less than 100% of their notional investment from Common Stock to a deemed investment in one or more measurement funds. This election may only be made after the director's service on the Board of Directors ends. A director's account that has been converted to measurement funds will be settled in cash instead of Common Stock.

F3 · balance_after: Includes 19.85 Phantom Stock Units received pursuant to dividend equivalent rights which were credited to the Reporting Person on October 29, 2021.

SEC source: 0001246991-21-000245 · wf-form4_163337031225897.xml · derivative · entry 1

WALTON WILLIAM H III · CIK 0001058795 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 2,302.24

Underlying: Common Stock, par value $0.01 · 219.2 shares

Expires not disclosed

F1 · derivative.exercise_price: The Phantom Stock Units convert to Common Stock on a 1-for-1 basis.

F2 · derivative.exercise_date: The Phantom Stock Units are awarded under the Boston Properties, Inc. 2021 Stock Incentive Plan (the "2021 Plan") to non-employee directors who elected to receive Phantom Stock Units in lieu of directorcash compensation fees. The Phantom Stock Units are to be settled in shares of Common Stock (except that fractional units, if any, will be settled in cash) in a lump sum or in ten annual installments, at the Reporting Person's election, following the Reporting Person's retirement from the Boston Properties, Inc. Board of Directors. In addition, non-employee directors who elect a deferred payout following their retirement may elect to convert not less than 100% of their notional investment from Common Stock to a deemed investment in one or more measurement funds. This election may only be made after the director's service on the Board of Directors ends. A director's account that has been converted to measurement funds will be settled in cash instead of Common Stock.

F2 · derivative.expiration_date: The Phantom Stock Units are awarded under the Boston Properties, Inc. 2021 Stock Incentive Plan (the "2021 Plan") to non-employee directors who elected to receive Phantom Stock Units in lieu of directorcash compensation fees. The Phantom Stock Units are to be settled in shares of Common Stock (except that fractional units, if any, will be settled in cash) in a lump sum or in ten annual installments, at the Reporting Person's election, following the Reporting Person's retirement from the Boston Properties, Inc. Board of Directors. In addition, non-employee directors who elect a deferred payout following their retirement may elect to convert not less than 100% of their notional investment from Common Stock to a deemed investment in one or more measurement funds. This election may only be made after the director's service on the Board of Directors ends. A director's account that has been converted to measurement funds will be settled in cash instead of Common Stock.

F3 · balance_after: Includes 17.25 Phantom Stock Units received pursuant to dividend equivalent rights which were credited to the Reporting Person on July 30, 2021.

SEC source: 0001246991-21-000223 · wf-form4_162517147790667.xml · derivative · entry 1

WALTON WILLIAM H III · CIK 0001058795 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 2,065.79

Underlying: Common Stock, par value $0.01 · 204.46 shares

Expires not disclosed

F1 · derivative.exercise_price: The Phantom Stock Units convert to Common Stock on a 1-for-1 basis.

F2 · derivative.exercise_date: The Phantom Stock Units are awarded under the Boston Properties, Inc. 2021 Stock Incentive Plan (the "2021 Plan") to non-employee directors who elected to receive Phantom Stock Units in lieu of director cash compensation fees. The Phantom Stock Units are to be settled in shares of Common Stock (except that fractional units, if any, will be settled in cash) in a lump sum or in ten annual installments, at the Reporting Person's election, following the Reporting Person's retirement from the Boston Properties, Inc. Board of Directors. In addition, non-employee directors who elect a deferred payout following their retirement may elect to convert not less than 100% of their notional investment from Common Stock to a deemed investment in one or more measurement funds. This election may only be made after the director's service on the Board of Directors ends. A director's account that has been converted to measurement funds will be settled in cash instead of Common Stock.

F2 · derivative.expiration_date: The Phantom Stock Units are awarded under the Boston Properties, Inc. 2021 Stock Incentive Plan (the "2021 Plan") to non-employee directors who elected to receive Phantom Stock Units in lieu of director cash compensation fees. The Phantom Stock Units are to be settled in shares of Common Stock (except that fractional units, if any, will be settled in cash) in a lump sum or in ten annual installments, at the Reporting Person's election, following the Reporting Person's retirement from the Boston Properties, Inc. Board of Directors. In addition, non-employee directors who elect a deferred payout following their retirement may elect to convert not less than 100% of their notional investment from Common Stock to a deemed investment in one or more measurement funds. This election may only be made after the director's service on the Board of Directors ends. A director's account that has been converted to measurement funds will be settled in cash instead of Common Stock.

F3 · balance_after: Includes 16.53 Phantom Stock Units received pursuant to dividend equivalent rights which were credited to the Reporting Person on April 30, 2021.

SEC source: 0001246991-21-000196 · wf-form4_162258281491095.xml · derivative · entry 1

WALTON WILLIAM H III · CIK 0001058795 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 4,134

Underlying: Common OP Units · 1,285 shares

Expires not disclosed

F1 · security: Issued pursuant to Boston Properties, Inc.'s ("BXP"), the Issuer's general partner, equity based incentive programs. Conditioned upon minimum allocations to the capital accounts of the LTIP Units for federal income tax purposes, each LTIP Unit may be converted, at the election of the holder, into a common unit of limited partnership interest in the Issuer ("Common OP Unit"). Each Common OP Unit acquired upon conversion of an LTIP Unit may be presented for redemption, at the election of the holder, for cash equal to the then fair market value of a share of common stock of BXP, except that BXP may, at its election, acquire each Common OP Unit so presented for one share of BXP's common stock. LTIP Units have no expiration date.

F1 · derivative.exercise_price: Issued pursuant to Boston Properties, Inc.'s ("BXP"), the Issuer's general partner, equity based incentive programs. Conditioned upon minimum allocations to the capital accounts of the LTIP Units for federal income tax purposes, each LTIP Unit may be converted, at the election of the holder, into a common unit of limited partnership interest in the Issuer ("Common OP Unit"). Each Common OP Unit acquired upon conversion of an LTIP Unit may be presented for redemption, at the election of the holder, for cash equal to the then fair market value of a share of common stock of BXP, except that BXP may, at its election, acquire each Common OP Unit so presented for one share of BXP's common stock. LTIP Units have no expiration date.

F1 · derivative.exercise_date: Issued pursuant to Boston Properties, Inc.'s ("BXP"), the Issuer's general partner, equity based incentive programs. Conditioned upon minimum allocations to the capital accounts of the LTIP Units for federal income tax purposes, each LTIP Unit may be converted, at the election of the holder, into a common unit of limited partnership interest in the Issuer ("Common OP Unit"). Each Common OP Unit acquired upon conversion of an LTIP Unit may be presented for redemption, at the election of the holder, for cash equal to the then fair market value of a share of common stock of BXP, except that BXP may, at its election, acquire each Common OP Unit so presented for one share of BXP's common stock. LTIP Units have no expiration date.

F2 · derivative.exercise_date: The 1,285 LTIP Units will vest on the earlier of (i) May 27, 2022 and (ii) the date of Boston Properties, Inc.'s 2022 annual meeting of stockholders.

F1 · derivative.expiration_date: Issued pursuant to Boston Properties, Inc.'s ("BXP"), the Issuer's general partner, equity based incentive programs. Conditioned upon minimum allocations to the capital accounts of the LTIP Units for federal income tax purposes, each LTIP Unit may be converted, at the election of the holder, into a common unit of limited partnership interest in the Issuer ("Common OP Unit"). Each Common OP Unit acquired upon conversion of an LTIP Unit may be presented for redemption, at the election of the holder, for cash equal to the then fair market value of a share of common stock of BXP, except that BXP may, at its election, acquire each Common OP Unit so presented for one share of BXP's common stock. LTIP Units have no expiration date.

SEC source: 0001246991-21-000190 · wf-form4_162258261800542.xml · derivative · entry 1

WALTON WILLIAM H III · CIK 0001058795 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 4,134

Underlying: Common Stock, par value $0.01 · 1,285 shares

Expires not disclosed

F1 · security: Represents units of limited partnership interest in Boston Properties Limited Partnership ("BPLP"), of which the Issuer is the general partner, issued pursuant to the Issuer's equity based incentive programs. Conditioned upon minimum allocations to the capital accounts of the LTIP Units for federal income tax purposes, each LTIP Unit may be converted, at the election of the holder, into a common unit of limited partnership interest in BPLP ("Common OP Unit"). Each Common OP Unit acquired upon conversion of an LTIP Unit may be presented for redemption, at the election of the holder, for cash equal to the then fair market value of a share of the Issuer's common stock, except that the Issuer may, at its election, acquire each Common OP Unit so presented for one share of common stock. LTIP Units have no expiration date.

F1 · derivative.exercise_price: Represents units of limited partnership interest in Boston Properties Limited Partnership ("BPLP"), of which the Issuer is the general partner, issued pursuant to the Issuer's equity based incentive programs. Conditioned upon minimum allocations to the capital accounts of the LTIP Units for federal income tax purposes, each LTIP Unit may be converted, at the election of the holder, into a common unit of limited partnership interest in BPLP ("Common OP Unit"). Each Common OP Unit acquired upon conversion of an LTIP Unit may be presented for redemption, at the election of the holder, for cash equal to the then fair market value of a share of the Issuer's common stock, except that the Issuer may, at its election, acquire each Common OP Unit so presented for one share of common stock. LTIP Units have no expiration date.

F1 · derivative.exercise_date: Represents units of limited partnership interest in Boston Properties Limited Partnership ("BPLP"), of which the Issuer is the general partner, issued pursuant to the Issuer's equity based incentive programs. Conditioned upon minimum allocations to the capital accounts of the LTIP Units for federal income tax purposes, each LTIP Unit may be converted, at the election of the holder, into a common unit of limited partnership interest in BPLP ("Common OP Unit"). Each Common OP Unit acquired upon conversion of an LTIP Unit may be presented for redemption, at the election of the holder, for cash equal to the then fair market value of a share of the Issuer's common stock, except that the Issuer may, at its election, acquire each Common OP Unit so presented for one share of common stock. LTIP Units have no expiration date.

F2 · derivative.exercise_date: The 1,285 LTIP Units will vest on the earlier of (i) May 27, 2022 and (ii) the date of the Issuer's 2022 annual meeting of stockholders.

F1 · derivative.expiration_date: Represents units of limited partnership interest in Boston Properties Limited Partnership ("BPLP"), of which the Issuer is the general partner, issued pursuant to the Issuer's equity based incentive programs. Conditioned upon minimum allocations to the capital accounts of the LTIP Units for federal income tax purposes, each LTIP Unit may be converted, at the election of the holder, into a common unit of limited partnership interest in BPLP ("Common OP Unit"). Each Common OP Unit acquired upon conversion of an LTIP Unit may be presented for redemption, at the election of the holder, for cash equal to the then fair market value of a share of the Issuer's common stock, except that the Issuer may, at its election, acquire each Common OP Unit so presented for one share of common stock. LTIP Units have no expiration date.

SEC source: 0001474506-21-000090 · primary_doc.xml · nonDerivative · entry 1

WALTON WILLIAM H III · CIK 0001058795 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 17,462

F1 · shares: The reporting person was awarded shares pursuant to the Company's director compensation arrangements.

SEC source: 0001246991-21-000152 · wf-form4_161739494814702.xml · derivative · entry 1

WALTON WILLIAM H III · CIK 0001058795 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,844.8

Underlying: Common Stock, par value $0.01 · 234.54 shares

Expires not disclosed

F1 · derivative.exercise_price: The Phantom Stock Units convert to Common Stock on a 1-for-1 basis.

F2 · derivative.exercise_date: The Phantom Stock Units are awarded under the Boston Properties, Inc. 2012 Stock Option and Incentive Plan (the "2012 Plan") to non-employee directors who elected to receive Phantom Stock Units in lieu of director cash compensation fees. The Phantom Stock Units are to be settled in shares of Common Stock (except that fractional units, if any, will be settled in cash) in a lump sum or in ten annual installments, at the Reporting Person's election, following the Reporting Person's retirement from the Boston Properties, Inc. Board of Directors. In addition, non-employee directors who elect a deferred payout following their retirement may elect to convert not less than 100% of their notional investment from Common Stock to a deemed investment in one or more measurement funds. This election may only be made after the director's service on the Board of Directors ends. A director's account that has been converted to measurement funds will be settled in cash instead of Common Stock.

F2 · derivative.expiration_date: The Phantom Stock Units are awarded under the Boston Properties, Inc. 2012 Stock Option and Incentive Plan (the "2012 Plan") to non-employee directors who elected to receive Phantom Stock Units in lieu of director cash compensation fees. The Phantom Stock Units are to be settled in shares of Common Stock (except that fractional units, if any, will be settled in cash) in a lump sum or in ten annual installments, at the Reporting Person's election, following the Reporting Person's retirement from the Boston Properties, Inc. Board of Directors. In addition, non-employee directors who elect a deferred payout following their retirement may elect to convert not less than 100% of their notional investment from Common Stock to a deemed investment in one or more measurement funds. This election may only be made after the director's service on the Board of Directors ends. A director's account that has been converted to measurement funds will be settled in cash instead of Common Stock.

F3 · balance_after: Includes 16.99 Phantom Stock Units received pursuant to dividend equivalent rights which were credited to the Reporting Person on January 28, 2021.

SEC source: 0001140361-21-003136 · form4.xml · nonDerivative · entry 1

WALTON WILLIAM H III · CIK 0001058795 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 3,846

F1 · shares: This restricted stock award was granted to the reporting person on January 29, 2021 pursuant to Dream Finders Homes, Inc.'s 2021 Equity Incentive Plan. Such shares of Class A common stock of Dream Finders Homes, Inc. will vest in three equal annual installments beginning on January 21, 2022 and each anniversary thereof.

SEC source: 0001140361-21-002373 · form4.xml · nonDerivative · entry 2

WALTON WILLIAM H III · CIK 0001058795 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 1,899,706

F1 · kind: Such shares of Class A common stock ("Class A Common Stock") of Dream Finders Homes, Inc. (the "Issuer") were received in connection with the closing of the initial public offering of the Issuer in exchange for previously held interests in Dream Finders Holdings LLC, pursuant to that certain Agreement and Plan of Merger, dated as of January 20, 2021, by and among the Issuer, Dream Finders Holdings LLC and DFH Merger Sub LLC.

F3 · ownership.nature: Such shares of Class A Common Stock are owned directly by The Theodora D. and William H. Walton, III Irrevocable Trust. The reporting person's brother is one of three trustees of The Theodora D. and William H. Walton, III Irrevocable Trust.

SEC source: 0001140361-21-002373 · form4.xml · nonDerivative · entry 1

WALTON WILLIAM H III · CIK 0001058795 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 633,235

F1 · kind: Such shares of Class A common stock ("Class A Common Stock") of Dream Finders Homes, Inc. (the "Issuer") were received in connection with the closing of the initial public offering of the Issuer in exchange for previously held interests in Dream Finders Holdings LLC, pursuant to that certain Agreement and Plan of Merger, dated as of January 20, 2021, by and among the Issuer, Dream Finders Holdings LLC and DFH Merger Sub LLC.

F1 · price: Such shares of Class A common stock ("Class A Common Stock") of Dream Finders Homes, Inc. (the "Issuer") were received in connection with the closing of the initial public offering of the Issuer in exchange for previously held interests in Dream Finders Holdings LLC, pursuant to that certain Agreement and Plan of Merger, dated as of January 20, 2021, by and among the Issuer, Dream Finders Holdings LLC and DFH Merger Sub LLC.

F2 · ownership.nature: Such shares of Class A Common Stock are owned directly by the William H. Walton, III Living Trust, u/a dated 6/6/2014. The reporting person is the sole trustee of the William H. Walton, III Living Trust, u/a dated 6/6/2014.

SEC source: 0001246991-21-000014 · wf-form4_160987786582725.xml · derivative · entry 1

WALTON WILLIAM H III · CIK 0001058795 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,593.27

Underlying: Common Stock, par value $0.01 · 251.24 shares

Expires not disclosed

F1 · derivative.exercise_price: The Phantom Stock Units convert to Common Stock on a 1-for-1 basis.

F2 · derivative.exercise_date: The Phantom Stock Units are awarded under the Boston Properties, Inc. 2012 Stock Option and Incentive Plan (the "2012 Plan") to non-employee directors who elected to receive Phantom Stock Units in lieu of director cash compensation fees. The Phantom Stock Units are to be settled in shares of Common Stock (except that fractional units, if any, will be settled in cash) in a lump sum or in ten annual installments, at the Reporting Person's election, following the Reporting Person's retirement from the Boston Properties, Inc. Board of Directors. In addition, non-employee directors who elect a deferred payout following their retirement may elect to convert not less than 100% of their notional investment from Common Stock to a deemed investment in one or more measurement funds. This election may only be made after the director's service on the Board of Directors ends. A director's account that has been converted to measurement funds will be settled in cash instead of Common Stock.

F2 · derivative.expiration_date: The Phantom Stock Units are awarded under the Boston Properties, Inc. 2012 Stock Option and Incentive Plan (the "2012 Plan") to non-employee directors who elected to receive Phantom Stock Units in lieu of director cash compensation fees. The Phantom Stock Units are to be settled in shares of Common Stock (except that fractional units, if any, will be settled in cash) in a lump sum or in ten annual installments, at the Reporting Person's election, following the Reporting Person's retirement from the Boston Properties, Inc. Board of Directors. In addition, non-employee directors who elect a deferred payout following their retirement may elect to convert not less than 100% of their notional investment from Common Stock to a deemed investment in one or more measurement funds. This election may only be made after the director's service on the Board of Directors ends. A director's account that has been converted to measurement funds will be settled in cash instead of Common Stock.

F3 · balance_after: Includes 17.92 Phantom Stock Units received pursuant to dividend equivalent rights which were credited to the Reporting Person on October 30, 2020.