secwatch.observer — SEC 8-K summary ====================================== Issuer: AMGEN INC (AMGN) CIK: 0000318154 Form: 8-K Filed at: 2026-04-22T23:59:59+00:00 Accession: 0000318154-26-000048 Event type: leadership Sentiment: neutral Materiality: 0.50 Item codes: 5.02, 9.01 LLM model: deepseek-v4-flash:cloud@v2 Amgen EVP and CTO David M. Reese to retire June 30, 2026; roles redistributed ----------------------------------------------------------------------------- - David M. Reese retires as EVP and CTO effective June 30, 2026; responsibilities split among Bradner, Gordon, Griffith starting June 1. - James Bradner becomes EVP of R&D, AI and Data; Sean Bruich named SVP and CTO. - Murdo Gordon takes EVP of Amgen Global Markets and Policy; Paul Burton remains Chief Medical Officer. - Reese joined Amgen in 2005, led R&D from 2018-2023, and served as inaugural CTO. Source: EDGAR index: https://www.sec.gov/Archives/edgar/data/318154/000031815426000048/0000318154-26-000048-index.htm Primary doc: https://www.sec.gov/Archives/edgar/data/318154/000031815426000048/amgn-20260422.htm HTML page: https://secwatch.observer/filing/0000318154-26-000048 License: Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer