ProMIS Neurosciences is trading 5.19% lower at $10.69 on September 28, 2026, with no verified company-specific catalyst identified. - Broader markets were lower as higher oil prices, rising Treasury yields and renewed geopolitical concerns weighed on sentiment. This backdrop may be contributing, but no direct link to the stock’s move was reported. - The most recent company item was a September 1 notice about participation in a September 29 conference.