---
schema_version: "secwatch.filing_event.v1"
accession: "0001213900-25-094068"
form_type: "8-K"
ticker: "OMC"
cik: "0000029989"
company_name: "OMNICOM GROUP INC."
filed_at: "2025-09-30T23:59:59+00:00"
generated_at: "2026-05-17T05:20:16.338200+00:00"
event_type: "m_and_a"
sentiment: "neutral"
materiality_score: 0.65
calibrated_materiality_score: 0.65
confidence: "high"
source: SEC EDGAR
---

# Omnicom-IPG deal: regulatory approvals done except Mexico, EU; closing expected Dec 31

## Summary
- Regulatory approvals completed in all jurisdictions except Mexico and the European Union.
- Omnicom and IPG expect the acquisition to close by December 31, 2025.
- Omnicom extended exchange offer and consent solicitation expiration for IPG notes to October 31, 2025.

## SEC filing metadata
- accession: 0001213900-25-094068
- form_type: 8-K
- ticker: OMC
- cik: 0000029989
- company_name: OMNICOM GROUP INC.
- filed_at: 2025-09-30T23:59:59+00:00
- event_type: m_and_a
- sentiment: neutral
- materiality_score: 0.65
- calibrated_materiality_score: 0.65
- confidence: high
- sec_items: 8.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/29989/000121390025094068/0001213900-25-094068-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/29989/000121390025094068/ea0259425-8k_omnicom.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001213900-25-094068
- JSON: https://secwatch.observer/filing/0001213900-25-094068.json
- Plain text: https://secwatch.observer/filing/0001213900-25-094068.txt

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