X0508 4 2026-03-06 0002009684 Seaport Entertainment Group Inc. SEG 0001615708 Fato Luciana 199 WATER STREET 28TH FLOOR NEW YORK NY 10038 false true false false General Counsel 0 Common Stock 2026-03-06 4 F 0 728 21.64 D 19212 D On March 6, 2026, Seaport Entertainment Group Inc. (the "Issuer") withheld 728 shares of common stock of the Issuer from the Reporting Person for payment of the tax liability incident to the vesting of shares of common stock granted by the Issuer pursuant to the terms of the Issuer's 2024 Equity Incentive Plan. /s/ Lucy Fato 2026-03-09