4528 (4528) News
Track canonical SquawkNews coverage tagged to 4528, 4528. This hub brings together deduplicated headlines about market instrument, markets catalysts, earnings, analyst actions, and wider market events so traders can review how a developing story changed over time. It contains 2 indexed stories across 1 publication days and is ordered by the same first-publication timeline used by LiveCast.
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Bristol Myers, Ono sue Amgen to block Opdivo biosimilar
Bristol Myers Squibb and Ono Pharmaceutical sued Amgen in Delaware federal court seeking to block Amgen’s proposed U.S. biosimilar of Opdivo.
EQUITY | Sep 15, 2026, 08:25 PM UTC
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Bristol Myers sues Amgen over proposed Opdivo biosimilar
By Blake BrittainBristol Myers Squibb NYSE:BMY and Ono Pharmaceutical TSE:4528 have sued Amgen NASDAQ:AMGN in Delaware federal court, seeking to block Amgen's proposed U.S. biosimilar of their blockbuster cancer immunoth
NEWS | Sep 15, 2026, 05:29 PM UTC