ASP Isotopes is trading 5.25% lower at $2.51 on October 12, 2026; no clear company-specific catalyst for the decline appeared in available search results. - The company’s investor-relations releases page lists September 8 as its latest release. - Broader markets were mixed rather than sharply lower, so they do not clearly explain the drop. - The October 2 merger-related filing is prior news, not a confirmed catalyst for this decline.