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CytomX Therapeutics, Inc.

Company NameCytomX Therapeutics, Inc.
Stock SymbolCTMX
Class PeriodMay 17, 2018 to May 13, 2020
Lead Plaintiff Motion DeadlineJuly 20, 2020

On May 13, 2020, the Company made available abstracts for the Company’s clinical presentations for CX-072 and CX-2009. Results from the PROCLAIM-CX-072 clinical program revealed a response rate of 8.8%, compared to a response rate of 18.5% in patients receiving the combination of CX-072 and ipilimumab. Meanwhile, results from the PROCLAIM-CX-2009 clinical program showed “evidence” of clinical activity at doses at least 4 mg/kg 3x/week, but also suggested a significantly higher rate of serious or greater treatment-related toxicity to the eyes at dose equivalents at least 8 mg/kg 3x/week.

On this news, the Company’s share price fell $5.21 per share, or over 36%, to close at $9.23 per share on May 14, 2020, thereby injuring investors.

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