---
schema_version: "secwatch.filing_event.v1"
accession: "0001193125-23-160316"
form_type: "8-K"
ticker: "AMGN"
cik: "0000318154"
company_name: "AMGEN INC"
filed_at: "2023-06-05T23:59:59+00:00"
generated_at: "2026-06-14T07:41:18.719412+00:00"
event_type: "m_and_a"
sentiment: "neutral"
materiality_score: 0.6
calibrated_materiality_score: 0.6
confidence: "high"
source: SEC EDGAR
---

# Amgen-Horizon deal TRO extended to Oct 31; FTC injunction hearing set Sept 11

## Summary
- Court granted revised stipulated TRO extending the block on closing to Oct 31, 2023 or 2 business days after ruling on FTC injunction.
- Evidentiary hearing on FTC's request for preliminary injunction scheduled to begin Sept 11, 2023.
- If court denies FTC's injunction, Amgen expects the acquisition could close by mid-December 2023.
- FTC filed complaint May 16 seeking to enjoin the acquisition; initial TRO was set to expire Sept 15.

## SEC filing metadata
- accession: 0001193125-23-160316
- form_type: 8-K
- ticker: AMGN
- cik: 0000318154
- company_name: AMGEN INC
- filed_at: 2023-06-05T23:59:59+00:00
- event_type: m_and_a
- sentiment: neutral
- materiality_score: 0.6
- calibrated_materiality_score: 0.6
- confidence: high
- sec_items: 8.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/318154/000119312523160316/0001193125-23-160316-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/318154/000119312523160316/d504329d8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001193125-23-160316
- JSON: https://secwatch.observer/filing/0001193125-23-160316.json
- Plain text: https://secwatch.observer/filing/0001193125-23-160316.txt

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