Form 4 Filing for Bruce W. Duncan at BXP, Inc.

Bruce W. Duncan, a director at BXP, Inc., acquired 572.74 Phantom Stock Units on September 30, 2026. These units, awarded under the 2021 Stock Incentive Plan, were received in lieu of director cash compensation. The units convert to BXP common stock on a 1-for-1 basis. Mr. Duncan also received an additional 139.24 Phantom Stock Units due to dividend equivalent rights on July 31, 2026. Following these transactions, Mr. Duncan holds a total of 14,659.97 Phantom Stock Units. The Phantom Stock Units are settled in shares of BXP common stock, with fractional units settled in cash, upon the reporting person's retirement from the Board of Directors. Deferred payouts may involve elections to convert notional investments to measurement funds, settled in cash.