Emergent Biosolutions closed at $5.90 on Nov 4, down 5.60%, 57.6% below its 52-week closing high. Volume of 2.3M shares was 2.19× its 20-day average (well above normal).
Split-adjusted performance: -15.1% over one month, -35.2% over six months, -43.8% over one year.
In the quarter ended Sep 30, 2026, revenue was $110M, down 52.4% from a year earlier, with a net margin of -29.7%.
Short interest was 9.7M shares at the Oct 15 settlement, up 4.2% from the prior report (19.3% of float, 9.0 days to cover).