Why Is Cancer-Focused Mersana Therapeutics Stock Trading Lower On Friday?
1. Mersana released Phase 1 data for emiltatug ledadotin (Emi-Le). 2. Emi-Le showed 23% objective response rate in advanced TNBC patients. 3. FDA granted Fast Track designation for XMT-1660 in advanced breast cancer. 4. Mersana stock decreased 36.6% to $0.8245 on the data announcement.