TOVX Theriva Biologics AMEX pre-market +12% Feb 20 2026: Most active

TOVX stock is trading higher in pre-market action after Theriva Biologics announced a licensing deal for SYN-020. The shares are up about +12% and volume is running well above average. Investors are tracking the cash and milestone terms, and traders list TOVX among the most active names this session. We review the deal specifics, trading data, and what the move means for shareholders on AMEX in the United States.