Amgen (AMGN)

=== SEC Form 4 — Statement of Changes in Beneficial Ownership === Document Type: 4 Period of Report: 2026-05-19 10b5-1 Pre-arranged Plan: No --- Issuer --- Name: AMGEN INC (AMGN) CIK: 0000318154 --- Reporting Owner --- Name: Kullman Ellen Jamison CIK: 0001303141 Role: Director --- Non-Derivative Transactions --- [Transaction #1] Security: Common Stock Date: 2026-05-19 | Code: A (Grant or award) Shares: +665 | Price: $0.00 Shares Owned After: 14,535.9807 | Ownership: D (Direct) Footnotes: [F1] The Restricted Stock Units (RSUs) were granted pursuant to the Amgen Inc. 2009 Director Incentive Program, as amended, under the Amgen Inc. Second Amended and Restated 2009 Equity Incentive Plan and vested immediately. Vested RSUs are paid in shares of the Company's common stock on a one-to-one basis. Vested RSUs may be deferred by the director, in which case payment will occur according to the elected deferral schedule. [F2] These shares include 2,121 DEs granted pursuant to the Amgen Inc. Second Amended and Restated 2009 Equity Incentive Plan and subject to a qualifying dividend reinvestment plan. DEs are credited to the reporting person's unvested Restricted Stock Units and are paid out in shares of the Company's common stock on a one-to-one basis according to the vesting schedule, along with a cash payment for any remaining fractional share amount. --- Footnotes (Complete Index) --- F1: The Restricted Stock Units (RSUs) were granted pursuant to the Amgen Inc. 2009 Director Incentive Program, as amended, under the Amgen Inc. Second Amended and Restated 2009 Equity Incentive Plan and vested immediately. Vested RSUs are paid in shares of the Company's common stock on a one-to-one basis. Vested RSUs may be deferred by the director, in which case payment will occur according to the elected deferral schedule. F2: These shares include 2,121 DEs granted pursuant to the Amgen Inc. Second Amended and Restated 2009 Equity Incentive Plan and subject to a qualifying dividend reinvestment plan. DEs are credited to the reporting person's unvested Restricted Stock Units and are paid out in shares of the Company's common stock on a one-to-one basis according to the vesting schedule, along with a cash payment for any remaining fractional share amount. --- Signature --- /s/ /s/ Ellen J. Kullman (2026-05-19)