SILO ▲ +0.6% - Silo Pharma, Inc. $SILO - Silo Pharma Receives U.S. Patent Allowance for SPC-15 PTSD Treatment, Expanding Intellectual Property Portfolio Silo Pharma rose 0.6% following news that the company received a U.S. patent allowance for SPC-15, its post-traumatic stress disorder treatment candidate. The patent grant expands the company's intellectual property protections for the compound and strengthens its competitive position in the PTSD treatment space. 18-SEP-2026 08:50 AM ET