IMM.AX Immutep Limited ASX down 88.61% on 13 Mar 2026: market closed, active traders watch

At market close on 13 Mar 2026 Immutep Limited (IMM.AX) traded at A$0.045 after an -88.61% one-day move on heavy volume of 432,932,084 shares. IMM.AX stock led ASX activity as the market reacted to the discontinuation of its lead clinical program and a wave of analyst downgrades. Traders saw the share price fall from a previous close of A$0.395, while the healthcare sector showed muted performance this session. We review the drivers, valuation, technicals and what active traders should watch next.