Form 4 Filing by Mary E. Kipp for BXP, Inc.

Mary E. Kipp, a director at BXP, Inc., acquired 450.01 Phantom Stock Units on September 30, 2026. These units, valued at $61.11 per share, convert to BXP common stock on a 1-for-1 basis. The acquisition was made under the company's 2021 Stock Incentive Plan, with the units awarded in lieu of cash compensation. Kipp now holds 8982.63 Phantom Stock Units, which include 84.34 units received from dividend equivalents on July 31, 2026. The Phantom Stock Units are settled in shares of BXP common stock, with fractional units settled in cash, following retirement from the board. Deferred payouts may involve elections to convert to measurement funds, settled in cash.