SCHEDULE 13G 0000831001 XXXXXXXX LIVE Common Stock 03/31/2025 0001661059 Nextcure, Inc. 65343E108 9000 Virginia Manor Road Suite 200 Beltsville MD 20705 Rule 13d-1(b) Citigroup Global Markets Inc. NY 0 1205193 0 1205193 1205193 N 4.3 BD Citigroup Financial Products Inc. DE 0 1205193 0 1205193 1205193 N 4.3 CO Citigroup Global Markets Holdings Inc. NY 0 1205193 0 1205193 1205193 N 4.3 HC Citigroup Inc. DE 0 1205193 0 1205193 1205193 N 4.3 HC Nextcure, Inc. 9000 Virginia Manor Road, Suite 200, Beltsville, Maryland 20705 Citigroup Global Markets Inc. ("CGM"), Citigroup Financial Products Inc. ("CFP"), Citigroup Global Markets Holdings Inc. ("CGM Holdings"), Citigroup ("Citigroup") 388 Greenwich Street, New York 10013 CGM and CGM Holdings are New York corporations. CFP and Citigroup are Delaware corporations. N BD HC 1,205,193 4.3 0 1,205,193 0 1,205,193 N Y Y N CFP is the sole stockholder of CGM. CGM Holdings is the sole stockholder of CFP. Citigroup is the sole stockholder of CGM Holdings. Y Y N By signing below I certify that, to the best of my knowledge and belief, the securities referred to above were acquired and are held in the ordinary course of business and were not acquired and are not held for the purpose of or with the effect of changing or influencing the control of the issuer of the securities and were not acquired and are not held in connection with or as a participant in any transaction having that purpose or effect, other than activities solely in connection with a nomination under ?? 240.14a-11. Citigroup Global Markets Inc. Ronny Ostrow 05/12/2025 Citigroup Financial Products Inc. Ronny Ostrow 05/12/2025 Citigroup Global Markets Holdings Inc. Ronny Ostrow 05/12/2025 Citigroup Inc. Ronny Ostrow 05/12/2025