FRENKEL JACOB A

SEC source: 0001104659-26-087588 · tm2621485-2_4seq1.xml · nonDerivative · entry 1

FRENKEL JACOB A · CIK 0001237418 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 343,777

F1 · shares: Represents shares of restricted stock units ("RSUs") issued pursuant to a Consulting Agreement dated July 24, 2026 between the Reporting Person and the Issuer (the "Consulting Agreement") and subject to the 2014 Global Share Option Plan. The RSUs shall vest as to (i) 50% of the award on October 24, 2026, and (ii) the remaining 50% of the award on April 24, 2027, provided that the Reporting Person continues to provide services to the Issuer pursuant to the Consulting Agreement through each applicable vesting date.

SEC source: 0001104659-26-068336 · tm2615354-2_4seq1.xml · nonDerivative · entry 1

FRENKEL JACOB A · CIK 0001237418 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 243,777

F1 · shares: Represents shares of restricted stock units ("RSUs") awarded under the 2014 Global Share Option Plan. The RSUs shall vest as to (i) 50% of the award on the date of grant and (ii) the remaining 50% of the award shall vest on the six-month anniversary of the date of grant, provided that the Reporting Person remains employed by the Issuer through each applicable vesting date.

SEC source: 0001104659-25-000894 · tm251864-9_4seq1.xml · nonDerivative · entry 1

FRENKEL JACOB A · CIK 0001237418 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 43,777

F1 · shares: Represents shares of restricted stock units ("RSUs") awarded under the 2014 Global Share Option Plan. The RSUs shall vest as to (i) 50% of the award on the date of grant and (ii) the remaining 50% of the award shall vest on the six-month anniversary of the date of grant, provided that the Reporting Person remains employed by the Issuer through each applicable vesting date.

F2 · balance_after: Reflects the Issuer's 1-for-15 reverse stock split effected market open on October 1, 2024.

SEC source: 0001104659-22-044247 · tm2212273-1_4seq1.xml · derivative · entry 1

FRENKEL JACOB A · CIK 0001237418 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 50,000

Underlying: Common Stock · 50,000 shares

Expires 2032-04-06

F1 · derivative.exercise_date: Pursuant to the Company's Second Amended and Restated Director Compensation Plan, as amended, this option shall vest and become exercisable in 12 consecutive, equal monthly installments commencing on May 6, 2022 until fully vested and exercisable on the 12 month anniversary of April 6, 2022, provided that the Reporting Person remains a member of the Board of Directors of the Issuer on each vesting date.

SEC source: 0001104659-21-148749 · tm2135032-4_4.xml · derivative · entry 1

FRENKEL JACOB A · CIK 0001237418 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 50,000

Underlying: Common Stock · 50,000 shares

Expires 2031-12-10

F1 · derivative.exercise_date: Pursuant to the Company's Second Amended and Restated Director Compensation Plan, as amended, option vested and became exercisable in 12 consecutive, equal monthly installments commencing on May 6, 2021 until fully vested and exercisable on the 12 month anniversary of April 6, 2021, provided that the Reporting Person remained a member of the Board of Directors of the Issuer on each vesting date.

SEC source: 0001104659-20-044270 · tm2014134d4_4.xml · derivative · entry 1

FRENKEL JACOB A · CIK 0001237418 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 50,000

Underlying: Common Stock · 50,000 shares

Expires 2030-04-06

F1 · derivative.exercise_date: Option vests and becomes exercisable in 12 consecutive, equal monthly installments commencing on the one month anniversary of the date of grant until fully vested and exercisable on the 12 month anniversary of the date of grant, provided that the Reporting Person remains a member of the Board of Directors of the Issuer on each vesting date.

SEC source: 0001567619-19-010201 · doc1.xml · derivative · entry 2

FRENKEL JACOB A · CIK 0001237418 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 1,959 shares

Expires not disclosed

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

F2 · derivative.exercise_price: Each RSU represents a contingent right to receive one share of the Issuer's common stock.

F3 · derivative.exercise_date: As previously reported on Table II of a Form 4 filed in connection therewith, on May 8, 2018, the Reporting Person was granted 1,952 RSUs, which, together with 7 additional RSUs awarded to the Reporting Person on account of dividend equivalent rights associated with the such RSUs, vested on the first anniversary of the grant date. The common stock into which such vested RSUs converted is reported on Table I of this Form 4.

F3 · derivative.expiration_date: As previously reported on Table II of a Form 4 filed in connection therewith, on May 8, 2018, the Reporting Person was granted 1,952 RSUs, which, together with 7 additional RSUs awarded to the Reporting Person on account of dividend equivalent rights associated with the such RSUs, vested on the first anniversary of the grant date. The common stock into which such vested RSUs converted is reported on Table I of this Form 4.

SEC source: 0001567619-19-010201 · doc1.xml · nonDerivative · entry 1

FRENKEL JACOB A · CIK 0001237418 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 6,636.6

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

F1 · acquired: Represents the conversion into common stock upon vesting of previously awarded restricted stock units ("RSUs").

SEC source: 0001567619-18-007911 · doc1.xml · derivative · entry 2

FRENKEL JACOB A · CIK 0001237418 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,959.6

Underlying: Common Stock · 2.7 shares

Expires not disclosed

F2 · derivative.exercise_price: Each restricted stock unit ("RSU") represents a contingent right to receive one share of the Issuer's common stock.

F3 · shares: Represents additional RSUs awarded to the Reporting Person on account of dividend equivalent rights associated with RSUs awarded on May 8, 2018 (the "2018 RSUs"). These RSUs vest, and shares of the Issuer's common stock will be delivered to the Reporting Person, concurrently with the 2018 RSUs, which will vest on May 8, 2019, subject to any election to defer delivery of shares made by the Reporting Person with respect to such 2018 RSUs.

F3 · derivative.exercise_date: Represents additional RSUs awarded to the Reporting Person on account of dividend equivalent rights associated with RSUs awarded on May 8, 2018 (the "2018 RSUs"). These RSUs vest, and shares of the Issuer's common stock will be delivered to the Reporting Person, concurrently with the 2018 RSUs, which will vest on May 8, 2019, subject to any election to defer delivery of shares made by the Reporting Person with respect to such 2018 RSUs.

F3 · derivative.expiration_date: Represents additional RSUs awarded to the Reporting Person on account of dividend equivalent rights associated with RSUs awarded on May 8, 2018 (the "2018 RSUs"). These RSUs vest, and shares of the Issuer's common stock will be delivered to the Reporting Person, concurrently with the 2018 RSUs, which will vest on May 8, 2019, subject to any election to defer delivery of shares made by the Reporting Person with respect to such 2018 RSUs.

SEC source: 0001567619-18-002502 · doc1.xml · derivative · entry 1

FRENKEL JACOB A · CIK 0001237418 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,956.9

Underlying: Common Stock · 2.4 shares

Expires not disclosed

F1 · derivative.exercise_price: Each restricted stock unit ("RSU") represents a contingent right to receive one share of the Issuer's common stock.

F2 · shares: Represents additional RSUs awarded to the Reporting Person on account of dividend equivalent rights associated with RSUs awarded on May 8, 2018 (the "2018 RSUs"). These RSUs vest, and shares of the Issuer's common stock will be delivered to the Reporting Person, concurrently with the 2018 RSUs, which will vest on May 8, 2019, subject to any election to defer delivery of shares made by the Reporting Person with respect to such 2018 RSUs.

F2 · derivative.exercise_date: Represents additional RSUs awarded to the Reporting Person on account of dividend equivalent rights associated with RSUs awarded on May 8, 2018 (the "2018 RSUs"). These RSUs vest, and shares of the Issuer's common stock will be delivered to the Reporting Person, concurrently with the 2018 RSUs, which will vest on May 8, 2019, subject to any election to defer delivery of shares made by the Reporting Person with respect to such 2018 RSUs.

F2 · derivative.expiration_date: Represents additional RSUs awarded to the Reporting Person on account of dividend equivalent rights associated with RSUs awarded on May 8, 2018 (the "2018 RSUs"). These RSUs vest, and shares of the Issuer's common stock will be delivered to the Reporting Person, concurrently with the 2018 RSUs, which will vest on May 8, 2019, subject to any election to defer delivery of shares made by the Reporting Person with respect to such 2018 RSUs.

SEC source: 0001140361-18-028406 · doc1.xml · derivative · entry 1

FRENKEL JACOB A · CIK 0001237418 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,954.5

Underlying: Common Stock · 2.5 shares

Expires not disclosed

F1 · derivative.exercise_price: Each restricted stock unit ("RSU") represents a contingent right to receive one share of the Issuer's common stock.

F2 · shares: Represents additional RSUs awarded to the Reporting Person on account of dividend equivalent rights associated with RSUs awarded on May 8, 2018 (the "2018 RSUs"). These RSUs vest, and shares of the Issuer's common stock will be delivered to the Reporting Person, concurrently with the 2018 RSUs, which will vest on May 8, 2019, subject to any election to defer delivery of shares made by the Reporting Person with respect to such 2018 RSUs.

F2 · derivative.exercise_date: Represents additional RSUs awarded to the Reporting Person on account of dividend equivalent rights associated with RSUs awarded on May 8, 2018 (the "2018 RSUs"). These RSUs vest, and shares of the Issuer's common stock will be delivered to the Reporting Person, concurrently with the 2018 RSUs, which will vest on May 8, 2019, subject to any election to defer delivery of shares made by the Reporting Person with respect to such 2018 RSUs.

F2 · derivative.expiration_date: Represents additional RSUs awarded to the Reporting Person on account of dividend equivalent rights associated with RSUs awarded on May 8, 2018 (the "2018 RSUs"). These RSUs vest, and shares of the Issuer's common stock will be delivered to the Reporting Person, concurrently with the 2018 RSUs, which will vest on May 8, 2019, subject to any election to defer delivery of shares made by the Reporting Person with respect to such 2018 RSUs.

SEC source: 0001567619-18-007911 · doc1.xml · nonDerivative · entry 1

FRENKEL JACOB A · CIK 0001237418 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 4,677.6

F1 · kind: The Reporting Person's purchase of 2.6 shares of Common Stock reported herein resulted from an erroneous broker enrollment of the Reporting Person in an automatic dividend reinvestment program.

SEC source: 0001246991-18-000109 · wf-form4_152813170641737.xml · derivative · entry 1

FRENKEL JACOB A · CIK 0001237418 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 7,479

Underlying: Common OP Units · 1,047 shares

Expires not disclosed

F1 · security: Issued pursuant to Boston Properties, Inc.'s ("BPI"), 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 redeemed, at the election of the holder, for cash equal to the then fair market value of a share of common stock of BPI except that BPI may, at its election, acquire each Common OP Unit so presented for redemption for one share of common stock of BPI. LTIP Units have no expiration date.

F1 · derivative.exercise_price: Issued pursuant to Boston Properties, Inc.'s ("BPI"), 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 redeemed, at the election of the holder, for cash equal to the then fair market value of a share of common stock of BPI except that BPI may, at its election, acquire each Common OP Unit so presented for redemption for one share of common stock of BPI. LTIP Units have no expiration date.

F1 · derivative.exercise_date: Issued pursuant to Boston Properties, Inc.'s ("BPI"), 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 redeemed, at the election of the holder, for cash equal to the then fair market value of a share of common stock of BPI except that BPI may, at its election, acquire each Common OP Unit so presented for redemption for one share of common stock of BPI. LTIP Units have no expiration date.

F2 · derivative.exercise_date: The 1,047 LTIP Units will vest on the earlier of (i) May 31, 2019 and (ii) the date of Boston Properties, Inc.'s 2019 annual meeting of stockholders.

F1 · derivative.expiration_date: Issued pursuant to Boston Properties, Inc.'s ("BPI"), 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 redeemed, at the election of the holder, for cash equal to the then fair market value of a share of common stock of BPI except that BPI may, at its election, acquire each Common OP Unit so presented for redemption for one share of common stock of BPI. LTIP Units have no expiration date.

SEC source: 0001246991-18-000102 · wf-form4_152813138323258.xml · derivative · entry 1

FRENKEL JACOB A · CIK 0001237418 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 7,479

Underlying: Common Stock, par value $0.01 · 1,047 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 1,047 LTIP Units will vest on the earlier of (i) May 31, 2019 and (ii) the date of the Issuer's 2019 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: 0001140361-18-022506 · doc1.xml · derivative · entry 3

FRENKEL JACOB A · CIK 0001237418 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 2,141 shares

Expires not disclosed

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

F2 · derivative.exercise_price: Each RSU represents a contingent right to receive one share of the Issuer's common stock.

F4 · derivative.exercise_date: As previously reported on Table II of a Form 4 filed in connection therewith, on May 9, 2017, the Reporting Person was granted 2,131 RSUs, which, together with 10 additional RSUs awarded to the Reporting Person on account of dividend equivalent rights associated with the such RSUs, vested on the first anniversary of the grant date. The common stock into which such vested RSUs converted is reported on Table I of this Form 4.

F4 · derivative.expiration_date: As previously reported on Table II of a Form 4 filed in connection therewith, on May 9, 2017, the Reporting Person was granted 2,131 RSUs, which, together with 10 additional RSUs awarded to the Reporting Person on account of dividend equivalent rights associated with the such RSUs, vested on the first anniversary of the grant date. The common stock into which such vested RSUs converted is reported on Table I of this Form 4.

SEC source: 0001140361-18-022506 · doc1.xml · nonDerivative · entry 1

FRENKEL JACOB A · CIK 0001237418 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 4,675

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

F1 · acquired: Represents the conversion into common stock upon vesting of previously awarded restricted stock units ("RSUs").

SEC source: 0001140361-18-022506 · doc1.xml · derivative · entry 2

FRENKEL JACOB A · CIK 0001237418 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,952

Underlying: Common Stock · 1,952 shares

Expires not disclosed

F2 · derivative.exercise_price: Each RSU represents a contingent right to receive one share of the Issuer's common stock.

F3 · derivative.exercise_date: The RSUs vest on May 8, 2019, and shares of the Issuer's common stock will be delivered to the Reporting Person upon vesting, subject to any election to defer delivery of shares made by the Reporting Person.

F3 · derivative.expiration_date: The RSUs vest on May 8, 2019, and shares of the Issuer's common stock will be delivered to the Reporting Person upon vesting, subject to any election to defer delivery of shares made by the Reporting Person.

SEC source: 0001140361-18-013641 · doc1.xml · derivative · entry 1

FRENKEL JACOB A · CIK 0001237418 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 2,141.9

Underlying: Common Stock · 2.6 shares

Expires not disclosed

F1 · derivative.exercise_price: Each restricted stock unit ("RSU") represents a contingent right to receive one share of the Issuer's common stock.

F2 · shares: Represents additional RSUs awarded to the Reporting Person on account of dividend equivalent rights associated with RSUs awarded on May 9, 2017 (the "2017 RSUs").

F3 · derivative.exercise_date: These RSUs vest, and shares of the Issuer's common stock will be delivered to the Reporting Person, concurrently with the 2017 RSUs, which will vest on May 9, 2018, subject to any election to defer delivery of shares made by the Reporting Person with respect to such 2017 RSUs.

F3 · derivative.expiration_date: These RSUs vest, and shares of the Issuer's common stock will be delivered to the Reporting Person, concurrently with the 2017 RSUs, which will vest on May 9, 2018, subject to any election to defer delivery of shares made by the Reporting Person with respect to such 2017 RSUs.

SEC source: 0001140361-17-046142 · doc1.xml · derivative · entry 1

FRENKEL JACOB A · CIK 0001237418 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 2,139.3

Underlying: Common Stock · 2.7 shares

Expires not disclosed

F1 · derivative.exercise_price: Each restricted stock unit ("RSU") represents a contingent right to receive one share of the Issuer's common stock.

F2 · shares: Represents additional RSUs awarded to the Reporting Person on account of dividend equivalent rights associated with RSUs awarded on May 9, 2017 (the "2017 RSUs").

F3 · derivative.exercise_date: These RSUs vest, and shares of the Issuer's common stock will be delivered to the Reporting Person, concurrently with the 2017 RSUs, which will vest on May 9, 2018, subject to any election to defer delivery of shares made by the Reporting Person with respect to such 2017 RSUs.

F3 · derivative.expiration_date: These RSUs vest, and shares of the Issuer's common stock will be delivered to the Reporting Person, concurrently with the 2017 RSUs, which will vest on May 9, 2018, subject to any election to defer delivery of shares made by the Reporting Person with respect to such 2017 RSUs.

SEC source: 0001140361-17-035477 · doc1.xml · derivative · entry 1

FRENKEL JACOB A · CIK 0001237418 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 2,136.6

Underlying: Common Stock · 2.8 shares

Expires not disclosed

F1 · derivative.exercise_price: Each restricted stock unit ("RSU") represents a contingent right to receive one share of the Issuer's common stock.

F2 · shares: Represents additional RSUs awarded to the Reporting Person on account of dividend equivalent rights associated with RSUs awarded on May 9, 2017 (the "2017 RSUs").

F3 · derivative.exercise_date: These RSUs vest, and shares of the Issuer's common stock will be delivered to the Reporting Person, concurrently with the 2017 RSUs, which will vest on May 9, 2018, subject to any election to defer delivery of shares made by the Reporting Person with respect to such 2017 RSUs.

F3 · derivative.expiration_date: These RSUs vest, and shares of the Issuer's common stock will be delivered to the Reporting Person, concurrently with the 2017 RSUs, which will vest on May 9, 2018, subject to any election to defer delivery of shares made by the Reporting Person with respect to such 2017 RSUs.

SEC source: 0001140361-17-025106 · doc1.xml · derivative · entry 1

FRENKEL JACOB A · CIK 0001237418 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 2,133.8

Underlying: Common Stock · 2.8 shares

Expires not disclosed

F1 · derivative.exercise_price: Each restricted stock unit ("RSU") represents a contingent right to receive one share of the Issuer's common stock.

F2 · shares: Represents additional RSUs awarded to the Reporting Person on account of dividend equivalent rights associated with RSUs awarded on May 9, 2017 (the "2017 RSUs").

F3 · derivative.exercise_date: These RSUs vest, and shares of the Issuer's common stock will be delivered to the Reporting Person, concurrently with the 2017 RSUs, subject to any election to defer delivery of shares made by the Reporting Person with respect to such 2017 RSUs.

F3 · derivative.expiration_date: These RSUs vest, and shares of the Issuer's common stock will be delivered to the Reporting Person, concurrently with the 2017 RSUs, subject to any election to defer delivery of shares made by the Reporting Person with respect to such 2017 RSUs.

SEC source: 0001246991-17-000142 · wf-form4_149634378110566.xml · derivative · entry 1

FRENKEL JACOB A · CIK 0001237418 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 6,432

Underlying: Common OP Units · 1,050 shares

Expires not disclosed

F1 · security: Issued pursuant to Boston Properties, Inc.'s ("BPI"), 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 redeemed, at the election of the holder, for cash equal to the then fair market value of a share of common stock of BPI except that BPI may, at its election, acquire each Common OP Unit so presented for redemption for one share of common stock of BPI. LTIP Units have no expiration date.

F1 · derivative.exercise_price: Issued pursuant to Boston Properties, Inc.'s ("BPI"), 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 redeemed, at the election of the holder, for cash equal to the then fair market value of a share of common stock of BPI except that BPI may, at its election, acquire each Common OP Unit so presented for redemption for one share of common stock of BPI. LTIP Units have no expiration date.

F1 · derivative.exercise_date: Issued pursuant to Boston Properties, Inc.'s ("BPI"), 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 redeemed, at the election of the holder, for cash equal to the then fair market value of a share of common stock of BPI except that BPI may, at its election, acquire each Common OP Unit so presented for redemption for one share of common stock of BPI. LTIP Units have no expiration date.

F2 · derivative.exercise_date: The 1,050 LTIP Units will vest on the earlier of (i) May 31, 2018 and (ii) the date of Boston Properties, Inc.'s 2018 annual meeting of stockholders.

F1 · derivative.expiration_date: Issued pursuant to Boston Properties, Inc.'s ("BPI"), 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 redeemed, at the election of the holder, for cash equal to the then fair market value of a share of common stock of BPI except that BPI may, at its election, acquire each Common OP Unit so presented for redemption for one share of common stock of BPI. LTIP Units have no expiration date.

SEC source: 0001246991-17-000134 · wf-form4_149634363036248.xml · derivative · entry 1

FRENKEL JACOB A · CIK 0001237418 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 6,432

Underlying: Common Stock, par value $0.01 · 1,050 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 1,050 LTIP Units will vest on the earlier of (i) May 31, 2018 and (ii) the date of the Issuer's 2018 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: 0001140361-17-019582 · doc1.xml · derivative · entry 3

FRENKEL JACOB A · CIK 0001237418 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 2,534 shares

Expires not disclosed

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

F1 · derivative.exercise_price: Restricted stock units (each, an "RSU") convert into shares of common stock on a one-for-one basis.

F4 · derivative.exercise_date: On May 10, 2016, the Reporting Person was granted 2,520 RSUs, which, together with 14 additional RSUs awarded to the Reporting Person on account of dividend equivalent rights associated with the 2016 RSUs, vest on the first anniversary of the grant date.

F4 · derivative.expiration_date: On May 10, 2016, the Reporting Person was granted 2,520 RSUs, which, together with 14 additional RSUs awarded to the Reporting Person on account of dividend equivalent rights associated with the 2016 RSUs, vest on the first anniversary of the grant date.

SEC source: 0001140361-17-019582 · doc1.xml · nonDerivative · entry 1

FRENKEL JACOB A · CIK 0001237418 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 2,534

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

F1 · price: Restricted stock units (each, an "RSU") convert into shares of common stock on a one-for-one basis.

SEC source: 0001140361-17-019582 · doc1.xml · derivative · entry 2

FRENKEL JACOB A · CIK 0001237418 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 2,131

Underlying: Common Stock · 2,131 shares

Expires not disclosed

F2 · derivative.exercise_price: Each RSU represents a contingent right to receive one share of the Issuer's common stock.

F3 · derivative.exercise_date: The RSUs vest on May 9, 2018. Shares of the Issuer's common stock will be delivered to the Reporting Person upon vesting, subject to any election to defer delivery of shares made by the Reporting Person.

F3 · derivative.expiration_date: The RSUs vest on May 9, 2018. Shares of the Issuer's common stock will be delivered to the Reporting Person upon vesting, subject to any election to defer delivery of shares made by the Reporting Person.

SEC source: 0001140361-17-012095 · doc1.xml · derivative · entry 1

FRENKEL JACOB A · CIK 0001237418 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 2,534.5

Underlying: Common Stock · 3.4 shares

Expires not disclosed

F1 · derivative.exercise_price: Each restricted stock unit ("RSU") represents a contingent right to receive one share of the Issuer's common stock.

F2 · shares: Represents additional RSUs awarded to the Reporting Person on account of dividend equivalent rights associated with previously awarded RSUs (the "Previous RSUs").

F3 · derivative.exercise_date: These RSUs vest, and shares of the Issuer's common stock will be delivered to the Reporting Person, concurrently with Previous RSUs, subject to any election to defer delivery of shares made by the Reporting Person with respect to such Previous RSUs.

F3 · derivative.expiration_date: These RSUs vest, and shares of the Issuer's common stock will be delivered to the Reporting Person, concurrently with Previous RSUs, subject to any election to defer delivery of shares made by the Reporting Person with respect to such Previous RSUs.

SEC source: 0001140361-16-089808 · doc1.xml · derivative · entry 1

FRENKEL JACOB A · CIK 0001237418 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 2,531.1

Underlying: Common Stock · 3.3 shares

Expires not disclosed

F1 · derivative.exercise_price: Each restricted stock unit ("RSU") represents a contingent right to receive one share of the Issuer's common stock.

F2 · shares: Represents additional RSUs awarded to the Reporting Person on account of dividend equivalent rights associated with previously awarded RSUs (the "Previous RSUs").

F3 · derivative.exercise_date: These RSUs vest, and shares of the Issuer's common stock will be delivered to the Reporting Person, concurrently with Previous RSUs, subject to any election to defer delivery of shares made by the Reporting Person with respect to such Previous RSUs.

F3 · derivative.expiration_date: These RSUs vest, and shares of the Issuer's common stock will be delivered to the Reporting Person, concurrently with Previous RSUs, subject to any election to defer delivery of shares made by the Reporting Person with respect to such Previous RSUs.

SEC source: 0001140361-16-079754 · doc1.xml · derivative · entry 1

FRENKEL JACOB A · CIK 0001237418 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 2,527.8

Underlying: Common Stock · 3.8 shares

Expires not disclosed

F1 · derivative.exercise_price: Each restricted stock unit ("RSU") represents a contingent right to receive one share of the Issuer's common stock.

F2 · shares: Represents additional RSUs awarded to the Reporting Person on account of dividend equivalent rights associated with previously awarded RSUs (the "Previous RSUs").

F3 · derivative.exercise_date: These RSUs vest, and shares of the Issuer's common stock will be delivered to the Reporting Person, concurrently with Previous RSUs, subject to any election to defer delivery of shares made by the Reporting Person with respect to such Previous RSUs.

F3 · derivative.expiration_date: These RSUs vest, and shares of the Issuer's common stock will be delivered to the Reporting Person, concurrently with Previous RSUs, subject to any election to defer delivery of shares made by the Reporting Person with respect to such Previous RSUs.