Form 4 Filing for Joel Klein at BXP, Inc.

This filing details a Form 4 submission by Joel Klein, a director at BXP, Inc. On September 30, 2026, Mr. Klein acquired 552.28 Phantom Stock Units, with a per-unit price of $61.11. These units are convertible to BXP common stock on a 1-for-1 basis, as per footnote F1. The acquisition is part of the BXP 2021 Stock Incentive Plan, where directors can opt for Phantom Stock Units instead of cash compensation. The Phantom Stock Units are set to be settled in BXP common stock after the director retires, with options for deferred payouts and conversion into measurement funds. The filing also notes 242.52 Phantom Stock Units received through dividend equivalent rights on July 31, 2026. Following this transaction, Mr. Klein holds a total of 25,088.27 shares, including those noted in footnote F3.