Erasca IncSecurities fraud investigation and class action lawsuit alleging misleading statements about ERAS-0015, leading to $2.8B market cap loss.
Hagens Berman is investigating claims in a securities class action against Erasca, Inc., alleging the company misled investors about its lead oncology candidate ERAS-0015. The litigation claims Erasca used flawed preclinical comparisons to tout superiority over Revolution Medicines' RMC-6236, concealed intellectual property disputes that exposed it to patent infringement and trade secret misappropriation claims, and downplayed safety risks that later included a patient death. On April 27–28, 2026, disclosures of a legal challenge from Revolution Medicines and adverse clinical data triggered a sharp stock decline that wiped out over $2.8 billion in market capitalization. The class period runs from January 14, 2025, to April 26, 2026, and the lead plaintiff deadline is August 10, 2026.
Erasca IncSecurities fraud investigation and class action lawsuit alleging misleading statements about ERAS-0015, leading to $2.8B market cap loss.
Revolution Medicines IncRevolution Medicines' RMC-6236 was used as a benchmark in the alleged flawed comparisons, and the legal challenge from Revolution Medicines contributed to Erasca's decline.