---
schema_version: "secwatch.filing_event.v1"
accession: "0001193125-22-048514"
form_type: "8-K"
ticker: "AMGN"
cik: "0000318154"
company_name: "AMGEN INC"
filed_at: "2022-02-22T23:59:59+00:00"
generated_at: "2026-06-27T06:20:03.792056+00:00"
event_type: "debt"
sentiment: "neutral"
materiality_score: 0.5
calibrated_materiality_score: 0.5
confidence: "high"
source: SEC EDGAR
---

# Amgen issues $4B of senior notes across four tranches with maturities to 2062

## Summary
- Issued $750M 3.000% notes due 2029, $1B 3.350% notes due 2032, $1B 4.200% notes due 2052, $1.25B 4.400% notes due 2062.
- Net proceeds of ~$3.949B after underwriters' discounts and estimated offering expenses.
- Notes rank equally with other senior unsecured debt; effectively subordinated to subsidiary obligations.
- Interest payable semi-annually on Feb 22 and Aug 22, beginning Aug 22, 2022.
- Change-of-control trigger requires repurchase at 101% of principal plus accrued interest.

## SEC filing metadata
- accession: 0001193125-22-048514
- form_type: 8-K
- ticker: AMGN
- cik: 0000318154
- company_name: AMGEN INC
- filed_at: 2022-02-22T23:59:59+00:00
- event_type: debt
- sentiment: neutral
- materiality_score: 0.5
- calibrated_materiality_score: 0.5
- confidence: high
- sec_items: 1.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/318154/000119312522048514/0001193125-22-048514-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/318154/000119312522048514/d302710d8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001193125-22-048514
- JSON: https://secwatch.observer/filing/0001193125-22-048514.json
- Plain text: https://secwatch.observer/filing/0001193125-22-048514.txt

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