KOOP BRYAN J 4

4 · BXP, Inc. · Filed Feb 2, 2026

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Updated Feb 2, 2026

BXP Exec VP Bryan Koop Receives 13,143 LTIP Units

What Happened

Bryan J. Koop, Executive Vice President of BXP, received a grant of 13,143 LTIP units (derivative award) on January 30, 2026. The reported per‑unit acquisition price is $0.25, for a total reported value of $3,286.
This was an award (code A) of limited partnership units, not an open‑market purchase or sale of common stock.

Key Details

Transaction date: 2026-01-30; Filing date (Form 4): 2026-02-02 (timely filing).
Instrument: LTIP Units (limited partnership units issued under Boston Properties’ equity incentive program); reported acquisition price $0.25 per unit; total reported value $3,286.
Shares/units owned after transaction: not specified in the filing.
Footnote highlights:
- F1: LTIP Units are units of limited partnership interest in Boston Properties Limited Partnership (BPLP). They can, under certain tax/accounting conditions, be converted into Common OP Units, which in turn may be redeemed for cash equal to the fair market value of a BXP share or exchanged (at the issuer’s election) for one share of common stock. LTIP Units have no expiration date.
- F2: The 13,143 LTIP Units vest in four equal annual installments beginning January 15, 2027.

Context

This is a grant of long‑term incentive units rather than an immediate equity purchase or sale. Such awards are standard executive compensation and vest over time; they do not represent immediately tradable common stock until conversion/redemption occurs.
Because the award vests over four years, any future sale or conversion would be disclosed in later filings. The award itself is factual compensation disclosure and should not be interpreted as a near‑term trading signal.

Form 4

Period: 2026-01-30

Executive Vice President

Transactions

Award
LTIP Units
[F1][F2]
2026-01-30$0.25/sh+13,143$3,286→ 221,791 total
→ Common Stock, par value $0.01 (13,143 underlying)

Footnotes (2)

[F1]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]The 13,143 LTIP Units vest in four equal annual installments beginning on January 15, 2027.

Signature

/s/ Kelli A. DiLuglio, as Attorney-in-Fact|2026-02-02

1 file