X0609 4 2026-05-21 0000003499 ALEXANDERS INC ALX 0001090160 DIBENEDETTO THOMAS R false C/O VORNADO REALTY TRUST 888 SEVENTH AVENUE NEW YORK NY 10019 true false false false 0 Deferred Stock Units 2026-05-21 4 A 0 505 A Common Stock 505 505 D On May 21, 2026, the reporting person received a grant of Deferred Stock Units of Alexander's, Inc. (the "Company"). The Deferred Stock Units entitle the reporting person to an equivalent number of shares of Common Stock of the Company without the payment of any consideration. These Deferred Stock Units vest immediately but the Common Stock underlying the Deferred Stock Units is not deliverable until the reporting person is no longer serving as a member of the Company's Board of Directors. /s/ Ryan Saum, Attorney-in-Fact 2026-05-22