Senti Biosciences is trading at $0.33, up 6.12% after-hours following a $0.32 regular-session close; the move is more consistent with broader biotech-sector strength than a company-specific catalyst. - No clearly identified company-specific announcement for September 22, 2026 explains the after-hours move. - Coverage includes a September 22 Form S-3/A filing, but it does not establish a direct catalyst. - Recent financing and strategic-transaction developments predate September 22, limiting their explanatory value.