X0708 D/A LIVE 0002090889 Chronicle Bio, Inc. 1080 O'Brien Drive, Suite B Menlo Park CA CALIFORNIA 94025 650-464-2418 DELAWARE None None Corporation true 2025 Rohit Gupta 1080 O'Brien Drive, Suite B Menlo Park CA CALIFORNIA 94025 Executive Officer Director Rishi Reddy 1080 O'Brien Drive, Suite B Menlo Park CA CALIFORNIA 94025 Executive Officer Director Jay Santoro 1080 O'Brien Drive, Suite B Menlo Park CA CALIFORNIA 94025 Director Fidji Simo 1080 O'Brien Drive, Suite B Menlo Park CA CALIFORNIA 94025 Director Other Technology Decline to Disclose 06b true 0002090889-26-000001 2025-09-30 false true false 0 15000000 10266000 4734000 false 38 0 0 0 false Chronicle Bio, Inc. /s/Rohit Gupta Rohit Gupta CEO 2026-07-06