---
schema_version: "secwatch.filing_event.v1"
accession: "0001193125-23-251090"
form_type: "8-K"
ticker: "AMGN"
cik: "0000318154"
company_name: "AMGEN INC"
filed_at: "2023-10-05T23:59:59+00:00"
generated_at: "2026-06-10T04:20:32.072432+00:00"
event_type: "m_and_a"
sentiment: "positive"
materiality_score: 0.85
calibrated_materiality_score: 0.85
confidence: "high"
source: SEC EDGAR
---

# Amgen's acquisition of Horizon Therapeutics sanctioned by Irish High Court

## Summary
- Irish High Court sanctioned the scheme of arrangement on October 5, 2023, moving deal closer to completion.
- Completion remains subject to delivery of the court order to the Registrar of Companies in Ireland.
- Deal originally announced December 11, 2022, valued at ~$27.8B.

## SEC filing metadata
- accession: 0001193125-23-251090
- form_type: 8-K
- ticker: AMGN
- cik: 0000318154
- company_name: AMGEN INC
- filed_at: 2023-10-05T23:59:59+00:00
- event_type: m_and_a
- sentiment: positive
- materiality_score: 0.85
- calibrated_materiality_score: 0.85
- confidence: high
- sec_items: 8.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/318154/000119312523251090/0001193125-23-251090-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/318154/000119312523251090/d533762d8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001193125-23-251090
- JSON: https://secwatch.observer/filing/0001193125-23-251090.json
- Plain text: https://secwatch.observer/filing/0001193125-23-251090.txt

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