https://wwwext.amgen.com/about/how-we-operate/policies-practices-and-disclosures/transparency-disclosures/donation-and-grant-recipients https://wwwext.amgen.com/about/how-we-operate/policies-practices-and-disclosures/transparency-disclosures/donation-and-grant-recipients https://wwwext.amgen.com/about/how-we-operate/policies-practices-and-disclosures/transparency-disclosures/political-contributions https://wwwext.amgen.com/about/how-we-operate/policies-practices-and-disclosures/transparency-disclosures/efpia-disclosures https://wwwext.amgen.com/about/how-we-operate/policies-practices-and-disclosures/transparency-disclosures/efpia-disclosures https://wwwext.amgen.com/about/how-we-operate/policies-practices-and-disclosures/transparency-disclosures/efpia-disclosures https://investors.amgen.com/financials/sec-filings https://wwwext.amgen.com/responsibility/reporting-and-metrics/cdp https://wwwext.amgen.com/responsibility/reporting-and-metrics/summary-of-data Amgen Inc.