---
schema_version: "secwatch.filing_event.v1"
accession: "0001104659-26-074558"
form_type: "8-K"
ticker: "ESPR"
cik: "0001434868"
company_name: "Esperion Therapeutics, Inc."
filed_at: "2026-06-16T20:00:58+00:00"
generated_at: "2026-06-16T20:05:20.141484+00:00"
event_type: "m_and_a"
sentiment: "positive"
materiality_score: 0.65
calibrated_materiality_score: 0.65
confidence: "high"
source: SEC EDGAR
---

# Esperion HSR waiting period cleared for ArchiMed merger; shareholder vote set for July 8

## Summary
- Hart-Scott-Rodino waiting period expired June 15, 2026, satisfying a key regulatory condition.
- Special stockholder meeting to vote on merger adoption scheduled for July 8, 2026 at 8:00 a.m. ET.
- Closing remains subject to other customary conditions, including stockholder approval.
- Merger with affiliate of ArchiMed SAS was announced May 1, 2026; transaction is pending.

## SEC filing metadata
- accession: 0001104659-26-074558
- form_type: 8-K
- ticker: ESPR
- cik: 0001434868
- company_name: Esperion Therapeutics, Inc.
- filed_at: 2026-06-16T20:00:58+00:00
- event_type: m_and_a
- sentiment: positive
- materiality_score: 0.65
- calibrated_materiality_score: 0.65
- confidence: high
- sec_items: 8.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1434868/000110465926074558/0001104659-26-074558-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1434868/000110465926074558/tm2617356d2_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001104659-26-074558
- JSON: https://secwatch.observer/filing/0001104659-26-074558.json
- Plain text: https://secwatch.observer/filing/0001104659-26-074558.txt

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