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Amgen Settles Shareholder Lawsuit Claiming it Hid $10.7 Billion Tax Bill

Jul 22 2026 // Amgen reached a $74 million settlement of a lawsuit accusing the biotechnology company of waiting too long to disclose that it might owe the Internal Revenue Service $10.7 billion for underreporting six years of taxes. A...

Amgen Sued by Pension Fund for Failing to Disclose $10B Tax Bill on Timely Basis

Mar 14 2023 // Amgen Inc. misled investors about its financial health by failing to reveal that it may be on the hook for more than $10 billion in back taxes and penalties, a pension fund claimed in a lawsuit. The Internal Revenue...

Supreme Court to Hear Comcast, Amgen Cases on Class Action Limits

Nov 6 2012 // The U.S. Supreme Court considered appeals by Comcast Corp. and Amgen Inc. that could help determine what kind of evidence must be presented before companies may be the subject of class-action lawsuits. Monday’s...

La. AG Drops Predecessor’s Case Against Biotech Company

Apr 10 2008 // Louisiana’s attorney general has withdrawn a multimillion-dollar antitrust lawsuit his predecessor filed on his final day in office against drug-maker Amgen Inc. Former Attorney General Charles Foti hired several...

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