Form 4 Filing for Bryan J. Koop - Executive Vice President at BXP, Inc.

This filing details a Form 4 submission by Bryan J. Koop, Executive Vice President at BXP, Inc., reporting a transaction on December 22, 2025. Koop acquired 59,322 LTIP Units, which represent units of limited partnership interest in Boston Properties Limited Partnership. The acquisition price was $0.25 per unit. These LTIP Units are subject to performance-based and time-based vesting conditions. The performance-based vesting is tied to the appreciation of BXP's common stock price over a four-year period, with tiers ranging from $90.00 to $118.00. Time-based vesting occurs over three years, starting with one-third on the second anniversary of the grant date. Post-transaction, Koop holds 208,648 LTIP Units. The LTIP Units may be converted into common OP Units and subsequently redeemed for cash or exchanged for shares of the Issuer's common stock.