X0708 D LIVE 0002152459 BANG Density Investors AI 4 LLC 901 SOUTH BOND STREET, SUITE 400 BALTIMORE MD MARYLAND 21231 410-537-5400 DELAWARE None None Limited Liability Company true 2026 N/A NextGen Venture Partners, LLC 901 S Bond Street, Suite 400 Baltimore MD MARYLAND 21231 Executive Officer Manager Michael D. Hankin 901 S Bond Street, Suite 400 Baltimore MD MARYLAND 21231 Executive Officer William O. White 901 S Bond Street, Suite 400 Baltimore MD MARYLAND 21231 Executive Officer Logie Fitzwilliams 901 S Bond Street, Suite 400 Baltimore MD MARYLAND 21231 Executive Officer Pooled Investment Fund Venture Capital Fund false Decline to Disclose 06b 3C 3C.1 false 2026-09-29 true true true 0 Indefinite 597832 Indefinite false 29 0 0 0 false BANG Density Investors AI 4 LLC /s/ Brett D. Rogers Brett D. Rogers General Counsel 2026-10-13