Amgen (AMGN)

=== SEC Form 4 — Statement of Changes in Beneficial Ownership === Document Type: 4 Period of Report: 2026-08-07 10b5-1 Pre-arranged Plan: No --- Issuer --- Name: AMGEN INC (AMGN) CIK: 0000318154 --- Reporting Owner --- Name: Busch Matthew C. CIK: 0001987926 Role: Officer (VP, Finance & CAO) --- Non-Derivative Transactions --- [Transaction #1] Security: Common Stock Date: 2026-08-07 | Code: A (Grant or award) Shares: +730 | Price: $0.00 Shares Owned After: 5,080 | Ownership: D (Direct) Footnotes: [F1] The Restricted Stock Units (RSUs) were granted pursuant to the Amgen Inc. Second Amended and Restated 2009 Equity Incentive Plan (the Equity Incentive Plan) and vest in four equal annual installments of 25% each, commencing on 8/7/2027. Vested RSUs will be paid in shares of the Company's common stock on a one-to-one basis. [F2] These shares include 45 Dividend Equivalents (DEs) granted pursuant to the Equity Incentive Plan and subject to a qualifying dividend reinvestment plan. DEs are credited to the reporting person's unvested RSUs 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. Second Amended and Restated 2009 Equity Incentive Plan (the Equity Incentive Plan) and vest in four equal annual installments of 25% each, commencing on 8/7/2027. Vested RSUs will be paid in shares of the Company's common stock on a one-to-one basis. F2: These shares include 45 Dividend Equivalents (DEs) granted pursuant to the Equity Incentive Plan and subject to a qualifying dividend reinvestment plan. DEs are credited to the reporting person's unvested RSUs 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/ Matthew C. Busch (2026-08-12)