🔴 QuantumSi is trading 11% down with no company-specific catalyst identified

QuantumSi is trading at $1.30, down -10.95%, with no new company-specific announcement identified to explain the November 2, 2026 decline.

• The biotech sector is lower, with XBI down 2.39%; this may be contributing, although QuantumSi is falling while major indices are higher.
• QuantumSi’s third-quarter results and business update are scheduled for November 5, 2026, not November 2.