---
schema_version: "secwatch.filing_event.v1"
accession: "0001193125-24-273521"
form_type: "8-K"
ticker: null
cik: "0000051644"
company_name: "INTERPUBLIC GROUP OF COMPANIES, INC."
filed_at: "2024-12-09T23:59:59+00:00"
generated_at: "2026-05-29T05:54:14.733017+00:00"
event_type: "m_and_a"
sentiment: "neutral"
materiality_score: 0.85
calibrated_materiality_score: 0.85
confidence: "high"
source: SEC EDGAR
---

# Omnicom agrees to acquire IPG: each IPG share to be exchanged for 0.344 Omnicom shares

## Summary
- IPG shareholders receive 0.344 Omnicom shares per share; deal expected to close by Dec 2025, extendable to June 2026.
- IPG CEO Philippe Krakowsky to become Omnicom Co-President and COO; three IPG directors join Omnicom board.
- Termination fees: IPG pays $439M for superior proposal; Omnicom pays $676M if it backs out.
- IPG extends change-of-control agreements for Krakowsky, Johnson, Bonzani, and Carroll through Dec 2027.
- IPG amends bylaws to add exclusive forum provision for stockholder litigation.

## SEC filing metadata
- accession: 0001193125-24-273521
- form_type: 8-K
- cik: 0000051644
- company_name: INTERPUBLIC GROUP OF COMPANIES, INC.
- filed_at: 2024-12-09T23:59:59+00:00
- event_type: m_and_a
- sentiment: neutral
- materiality_score: 0.85
- calibrated_materiality_score: 0.85
- confidence: high
- sec_items: 1.01, 5.02, 5.03, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/51644/000119312524273521/0001193125-24-273521-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/51644/000119312524273521/d899924d8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001193125-24-273521
- JSON: https://secwatch.observer/filing/0001193125-24-273521.json
- Plain text: https://secwatch.observer/filing/0001193125-24-273521.txt

## Key facts
- Governance Changes
  INTERPUBLIC GROUP OF COMPANIES, INC.: Amended By-Laws to include an exclusive forum provision (effective 2024-12-08).
  - Change: bylaw amendment
  - Effective: 2024-12-08
  source text: On December 8, 2024, IPG’s By-Laws were amended to include an exclusive forum provision.
  evidence_url: https://www.sec.gov/Archives/edgar/data/51644/000119312524273521/0001193125-24-273521-index.htm

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