---
schema_version: "secwatch.filing_event.v1"
accession: "0001193125-26-059490"
form_type: "8-K"
ticker: "AMGN"
cik: "0000318154"
company_name: "AMGEN INC"
filed_at: "2026-02-19T23:59:59+00:00"
generated_at: "2026-05-16T01:52:23.575233+00:00"
event_type: "debt"
sentiment: "neutral"
materiality_score: 0.45
calibrated_materiality_score: 0.45
confidence: "high"
source: SEC EDGAR
---

# Amgen issues $4.0B in senior notes across four tranches with maturities 2031-2056

## Summary
- Issued $1.0B 4.200% notes due 2031, $1.75B 4.850% notes due 2036, $500M 5.500% notes due 2046, $750M 5.650% notes due 2056.
- Net proceeds of ~$3.96B after underwriting discounts and estimated offering expenses.
- Interest payable semi-annually on Feb 19 and Aug 19, starting Aug 19, 2026.
- Holders may require repurchase at 101% upon a change-in-control triggering event.

## SEC filing metadata
- accession: 0001193125-26-059490
- form_type: 8-K
- ticker: AMGN
- cik: 0000318154
- company_name: AMGEN INC
- filed_at: 2026-02-19T23:59:59+00:00
- event_type: debt
- sentiment: neutral
- materiality_score: 0.45
- calibrated_materiality_score: 0.45
- confidence: high
- sec_items: 1.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/318154/000119312526059490/0001193125-26-059490-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/318154/000119312526059490/d106293d8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001193125-26-059490
- JSON: https://secwatch.observer/filing/0001193125-26-059490.json
- Plain text: https://secwatch.observer/filing/0001193125-26-059490.txt

## Key facts
- Material Agreements
  AMGEN INC entered into Officer's Certificate valued at $1,000,000,000 aggregate principal amount of the Company’s 4.200% Senior Notes due 2031, $1,750,000, (effective 2026-02-19).
  - Action: entry
  - Agreement: notes offering
  - Value: $1,000,000,000 aggregate principal amount of the Company’s 4.200% Senior Notes due 2031, $1,750,000,
  - Effective: 2026-02-19
  source text: On February 17, 2026, Amgen Inc. (the “Company”) issued and sold $1,000,000,000 aggregate principal amount of the Company’s 4.200% Senior Notes due 2031 (the “2031 Notes”), $1,750,000,000 aggregate principal amount of the Company’s 4.850% Senior Notes due 2036 (the “2036 Notes”), $500,000,000 aggregate principal amount of the Company’s 5.500% Senior Notes due 2046 (the “2046 Notes”) and $750,000,000 aggregate principal amount of the Company’s 5.650% Senior Notes due 2056 (the “2056 Notes” and, together with the 2031 Notes, the 2036 Notes and the 2046 Notes, the “Notes”).
  evidence_url: https://www.sec.gov/Archives/edgar/data/318154/000119312526059490/0001193125-26-059490-index.htm

This AI-assisted summary is a reading aid. Review the linked SEC EDGAR filing before relying on any specific claim.