# EDGAR Filing Document

**Accession Number:** 0001637104
**File Stem:** 0001246991-23-000052
**Filing Date:** 2023-2
**Character Count:** 6848
**Document Hash:** 4dd76afd67a227095b7ae4c83b34f75c
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001246991-23-000052.hdr.sgml**: 20230207

**ACCESSION NUMBER**: 0001246991-23-000052

**CONFORMED SUBMISSION TYPE**: 4

**PUBLIC DOCUMENT COUNT**: 1

**CONFORMED PERIOD OF REPORT**: 20230203

**FILED AS OF DATE**: 20230207

**DATE AS OF CHANGE**: 20230207

**REPORTING-OWNER**: 

**OWNER DATA:**
- **COMPANY CONFORMED NAME:** Walsh Michael R.
- **CENTRAL INDEX KEY:** 0001637104

**FILING VALUES:**
- **FORM TYPE:** 4
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 001-13087
- **FILM NUMBER:** 23594609

**MAIL ADDRESS:**
- **STREET 1:** 800 BOYLSTON STREET
- **STREET 2:** SUITE 1900
- **CITY:** BOSTON
- **STATE:** MA
- **ZIP:** 02199
**ISSUER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** BOSTON PROPERTIES INC
- **CENTRAL INDEX KEY:** 0001037540
- **STANDARD INDUSTRIAL CLASSIFICATION:** REAL ESTATE INVESTMENT TRUSTS [6798]
- **IRS NUMBER:** 042473675
- **STATE OF INCORPORATION:** DE
- **FISCAL YEAR END:** 1231

**BUSINESS ADDRESS:**
- **STREET 1:** 800 BOYLSTON STREET
- **STREET 2:** SUITE 1900
- **CITY:** BOSTON
- **STATE:** MA
- **ZIP:** 02199
- **BUSINESS PHONE:** 6172363300

**MAIL ADDRESS:**
- **STREET 1:** 800 BOYLSTON STREET
- **STREET 2:** SUITE 1900
- **CITY:** BOSTON
- **STATE:** MA
- **ZIP:** 02199

### UNITED STATES SECURITIES AND EXCHANGE COMMISSION
**Washington, D.C. 20549**

## FORM 4

### STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

[ ] Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

[ ] Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

---

| | | |
|:---|:---|:---|
| **1. Name and Address of Reporting Person**<sup>*</sup><br>Walsh Michael R.<br><sub>(Last) (First) (Middle)</sub><br>800 BOYLSTON STREET<br><sub>(Street)</sub><br>BOSTON, MA 02199<br><sub>(City) (State) (Zip)</sub> | **3. Date of Earliest Transaction (Month/Day/Year)**<br>2023-02-03 | **5. Relationship of Reporting Person(s) to Issuer**<br>(Check all applicable)<br>[ ] Director [ ] 10% Owner<br>[X] Officer (give title below) [ ] Other (specify below)<br>_SVP & Chief Accounting Officer_ |
| **2. Issuer Name and Ticker or Trading Symbol**<br>BOSTON PROPERTIES INC [ BXP ] | **4. If Amendment, Date of Original Filed (Month/Day/Year)**<br>  | **6. Individual or Joint/Group Filing (Check Applicable Line)**<br>[X] Form filed by One Reporting Person<br>[ ] Form filed by More than One Reporting Person |

---

## Table I - Non-Derivative Securities

---

|  |  |  |  |  |  |  |  |  |  |  |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1. Title of Security | 2. Transaction Date | 2A. Deemed Execution Date | 3. Transaction Code (V) | 3. Transaction Code (V) | 4. Securities Acquired (A) or Disposed of (D) | 4. Securities Acquired (A) or Disposed of (D) | 4. Securities Acquired (A) or Disposed of (D) | 5. Amount of Securities Beneficially Owned | 6. Ownership Form | 7. Nature of Indirect Beneficial Ownership |
| 1. Title of Security | 2. Transaction Date | 2A. Deemed Execution Date | Code | V | Amount | (A) or (D) | Price | 5. Amount of Securities Beneficially Owned | 6. Ownership Form | 7. Nature of Indirect Beneficial Ownership |
|  |  |  |  |  |  |  |  |  |  |  |

---

## Table II - Derivative Securities

---

|  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1. Title of Derivative Security | 2. Conversion or Exercise Price | 3. Transaction Date | 3A. Deemed Execution Date | 4. Transaction Code (V) | 4. Transaction Code (V) | 5. Number of Derivative Securities Acquired (A) or Disposed of (D) | 5. Number of Derivative Securities Acquired (A) or Disposed of (D) | 6. Date Exercisable and Expiration Date | 6. Date Exercisable and Expiration Date | 7. Title and Amount of Underlying Securities | 7. Title and Amount of Underlying Securities | 8. Price of Derivative Security | 9. Number of Derivative Securities Beneficially Owned | 10. Ownership Form | 11. Nature of Indirect Beneficial Ownership |
| 1. Title of Derivative Security | 2. Conversion or Exercise Price | 3. Transaction Date | 3A. Deemed Execution Date | Code | V | (A) | (D) | Date Exercisable | Expiration Date | Title | Amount or Number of Shares | 8. Price of Derivative Security | 9. Number of Derivative Securities Beneficially Owned | 10. Ownership Form | 11. Nature of Indirect Beneficial Ownership |
| LTIP Units<sup>(1)</sup> | <sup>(1)</sup> | 2023-02-03 |  | A |  | 3444 |  | <sup>(1)(2)</sup> | <sup>(1)</sup> | Common Stock, par value $0.01 | 3444.0 | $0.25 | 17177 | D |  |
| LTIP Units<sup>(1)</sup> | <sup>(1)</sup> | 2023-02-03 |  | A |  | 6624 |  | <sup>(1)(3)</sup> | <sup>(1)</sup> | Common Stock, par value $0.01 | 6624.0 | $0.25 | 23801 | D |  |

---

### Footnotes:

(1) Represents units of limited partnership interest in Boston Properties Limited Partnership ("BPLP"), of which the Issuer is the general partner, issued as long term incentive compensation ("LTIP Units") 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 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.

(2) The 3,444 LTIP Units vest in four equal annual installments beginning on January 15, 2024.

(3) The 6,624 LTIP Units vest in two equal annual installments beginning on January 15, 2026.

**Signature:** /s/ Kelli A. DiLuglio, as Attorney-in-Fact  
**Date:** 2023-02-07

### Remarks:

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.

* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).

** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).

Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.

**Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.**