---
schema_version: "secwatch.filing_event.v1"
accession: "0001193125-25-300704"
form_type: "8-K"
ticker: null
cik: "0000051644"
company_name: "INTERPUBLIC GROUP OF COMPANIES, INC."
filed_at: "2025-11-26T23:59:59+00:00"
generated_at: "2026-05-16T16:42:53.191835+00:00"
event_type: "m_and_a"
sentiment: "neutral"
materiality_score: 0.9
calibrated_materiality_score: 0.9
confidence: "high"
source: SEC EDGAR
---

# IPG completes merger with Omnicom; shareholders receive 0.344 Omnicom shares per IPG share

## Summary
- Merger closed Nov 26, 2025; IPG becomes direct wholly owned subsidiary of Omnicom.
- Each IPG common share converted into 0.344 Omnicom common shares (cash for fractional shares).
- IPG requests NYSE delisting of shares (ticker IPG) effective Nov 28, 2025; plans to deregister with SEC.
- Existing $1.2B credit facility terminated; $9.5M in letters of credit assumed under Omnicom facilities.
- Louis F. Januzzi becomes sole director of surviving corporation; prior officers continue.

## SEC filing metadata
- accession: 0001193125-25-300704
- form_type: 8-K
- cik: 0000051644
- company_name: INTERPUBLIC GROUP OF COMPANIES, INC.
- filed_at: 2025-11-26T23:59:59+00:00
- event_type: m_and_a
- sentiment: neutral
- materiality_score: 0.9
- calibrated_materiality_score: 0.9
- confidence: high
- sec_items: 1.02, 2.01, 3.01, 3.03, 5.01, 5.02, 5.03, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/51644/000119312525300704/0001193125-25-300704-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/51644/000119312525300704/d89931d8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001193125-25-300704
- JSON: https://secwatch.observer/filing/0001193125-25-300704.json
- Plain text: https://secwatch.observer/filing/0001193125-25-300704.txt

## Source-grounded claims
- claim_id: 58dc6e4e19dc972f6fc237d43cb14468fba99673
  claim: INTERPUBLIC GROUP OF COMPANIES, INC. underwent a change of control involving Omnicom Group Inc. for 0.344 shares of Omnicom common stock per share of Company common stock (closed 2025-11-26).
  evidence_excerpt: Company (the “Company common stock”) issued and outstanding immediately prior to the Effective Time (other than certain excluded shares) was converted into the right to receive 0.344 shares of common stock (the “Exchange Ratio”), par value $0.15 per share, of Omnicom (“Omnicom common stock”) and, if applicable, cash in lieu of fractional shares (the “Merger
  evidence_url: https://www.sec.gov/Archives/edgar/data/51644/000119312525300704/0001193125-25-300704-index.htm

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