Form 4 Filing for Charles M. Holley

Charles M. Holley, a director at AMGEN INC, acquired 665 shares of Common Stock on May 19, 2026, in a transaction with a price of $0.0 per share. This acquisition increased his post-transaction holdings to 12,799.0331 shares. Additionally, Mr. Holley holds 1,260 shares of Common Stock indirectly through the Holley Family Trust. The filing also notes that the acquired shares were part of Restricted Stock Units (RSUs) granted under the Amgen Inc. 2009 Director Incentive Program, which vested immediately. These vested RSUs are paid in shares of the Company's common stock on a one-to-one basis and may be deferred by the director according to an elected deferral schedule. The filing references two footnotes (F1 and F2) that provide further details on the RSUs and Dividend Equivalents (DEs) granted under the Amgen Inc. Second Amended and Restated 2009 Equity Incentive Plan.