Goldman Sachs
June 5, 2026
Amgen Inc. Framing the IRS Tax Dispute Ahead of the 2H+ Update
EquitiesHealth Care
This report outlines the status of Amgen's ongoing multi-year tax dispute with the IRS concerning transfer pricing between its U.S. and Puerto Rican operations. Analysts estimate a total potential liability of $20 billion including interest and penalties.
Key Takeaways
- 1.Amgen is engaged in a multi-period IRS tax dispute concerning transfer pricing of profits between U.S. and Puerto Rican operations.
- 2.The combined potential liabilities across tax years 2010-2022 are estimated at approximately $20 billion including tax, penalties, and interest.
Table of Contents
- Summary of outstanding cases
- Tax Years 2010–2015
- Tax Years 2016–2022
- Status of the disputes
- Valuation and risks
- Disclosure Appendix
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Authors
Salveen RichterMatt Dellatorre, Ph.D.Shrunatra MishraElizabeth Webster, Ph.D.Tommie ReerinkLydia ErdmanMark Aleynick
Securities
AMGN
Themes
Transfer Pricing DisputeCorporate Tax Liability
Regions
North AmericaUnited StatesPuerto Rico