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Driven by mounting class-action lawsuits, Avantor's Jan. 16/2026 $9 put option saw trading volume spike to 73,647, over 11 times the 30-day average.
On December 18, 2025, Avantor announced the appointment of former GlaxoSmithKline CFO Simon Dingemans to its Board of Directors, effective January 2, 2026, as part of its 'Avantor Revival plan'.