
Theriva Biologics fell 39.9% from $0.28 to $0.17, behind the S&P 500's +9.8%. Its worst day was Dec 3 (−25.9%), and its low came Nov 9 at $0.17.
Nov 11, 2025 – Nov 9, 2026 · picked from earnings, analyst actions, headlines and the biggest daily moves
EPS of $-0.45 missed the $-0.38 estimate on $0.00 revenue.
+8.0% · S&P 500 +0.1%
Theriva Biologics shares fell 25.9%, while the S&P 500 rose 0.1%.
Story events cover the past 12 months · Times ET
−25.9%, the year's worst day · S&P 500 +0.1%
Theriva Biologics shares rose 22.6%, while the S&P 500 rose 0.2%.
+22.6% · S&P 500 +0.2%
EPS of $-0.12 beat the $-0.37 estimate on $0.00 revenue.
+1.2% · S&P 500 −1.5%
Theriva Biologics shares rose 19.0%, while the S&P 500 rose 2.5%.
+19.0% · S&P 500 +2.5%
Theriva Biologics closed at its highest level of the year, 48.7% above where the year started.
+59.4%, the year's best day, on 649M shares, the year's heaviest volume · S&P 500 −0.2%
EPS of $-0.05 beat the $-0.05 estimate on $300,000.00 revenue.
+0.5% · S&P 500 +1.4%
– Prolonged overall survival (OS) was observed in heavily pre-treated refractory Head & Neck Squamous Cell Carcinoma (HNSCC) patients administered IV VCN-01 prior to the immune checkpoint inhibitor durvalumab ––
+26.1% · S&P 500 +1.7%
EPS of $-0.07 missed the $-0.05 estimate on $0.00 revenue.
−0.4% · S&P 500 −0.3%
Where it ended: a close of $0.17 on Nov 9, 2026.
Nothing in the past 12 months.
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