AMGEN INC — Director's Dealing 2024

May 10, 2024

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: AMGEN INC (AMGN)
CIK: 0000318154
Period of Report: 2024-05-07

Reporting Person: Khosla Rachna (SVP, Business Development)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2024-05-07	Common Stock	A	532	—	Acquired	8559	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2024-05-07	Nqso (Right to Buy)	$300.30	A	3461	Acquired	2034-05-07	Common Stock (3461)	Direct

Footnotes

F1: The Restricted Stock Units (RSUs) were granted pursuant to the Amgen Inc. 2009 Amended and Restated Equity Incentive Plan and vest in three annual installments of 33%, 33% and 34% on 5/7/2026, 5/7/2027 and 5/7/2028, respectively.

F2: These shares include the following Restricted Stock Units (RSUs) granted under the Company's equity plans: 128 RSUs which will vest on 4/30/2025; 784 RSUs which will vest in installments of 386 on 11/5/2024 and 398 on 11/5/2025; 407 RSUs which will vest in installments of 200 on 5/2/2025, and 207 on 5/2/2026; 593 RSUs which will vest in in installments of 195 on 5/2/2025, 196 on 5/2/2026 and 202 on 5/2/2027; and 532 RSUs which will vest in installments of 175 on 5/7/2026, 176 on 5/7/2027, and 181 on 5/7/2028. Vested RSUs will be paid in shares of the Company's common stock on a one-to-one basis.

F3: These shares include 131 Dividend Equivalents (DEs) granted pursuant to the Amgen Inc. 2009 Equity Incentive Plan and subject to a qualifying dividend reinvestment plan. DEs are credited on 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.

F4: These non-qualified stock options are exercisable in three installments of 33%, 33% and 34% on 5/7/2026, 5/7/2027 and 5/7/2028, respectively.