X0708 D LIVE 0002133720 OpenAI Startup Fund II, L.P. 1455 3RD STREET SAN FRANCISCO CA CALIFORNIA 94158 415-223-8813 DELAWARE None None Limited Partnership true 2026 Ian Hathaway 1455 3rd Street San Francisco CA CALIFORNIA 94158 Executive Officer Managing Member of the General Partner Pooled Investment Fund Venture Capital Fund false Not Applicable 06b 3C 3C.7 false 2026-08-11 false true false 0 400000000 400000000 0 false 1 0 0 0 false OpenAI Startup Fund II, L.P. Ian Hathaway Ian Hathaway Managing Member of the General Partner 2026-08-26