Mandelbaum David Acquires Deferred Stock Units in Alexanders Inc.

David Mandelbaum, a 10% owner and director of Alexanders Inc., acquired 505 Deferred Stock Units (DSUs) on May 21, 2026. These DSUs represent an equivalent number of common stock shares. While the DSUs vest immediately, the underlying shares will be delivered only after Mandelbaum ceases to be a director. The DSUs were granted without any payment, as indicated by the zero price per share. This transaction is reported on Form 4, with the signature date of May 22, 2026.