---
schema_version: "secwatch.filing_event.v1"
accession: "0001193125-26-103214"
form_type: "8-K"
ticker: "OMC"
cik: "0000029989"
company_name: "OMNICOM GROUP INC."
filed_at: "2026-03-12T23:59:59+00:00"
generated_at: "2026-05-15T14:24:21.671753+00:00"
event_type: "other_material"
sentiment: "positive"
materiality_score: 0.85
calibrated_materiality_score: 0.85
confidence: "high"
source: SEC EDGAR
---

# Omnicom updates 2026 outlook post-Interpublic; 4% revenue growth, $3-3.5B buyback

## Summary
- Revenue growth ~4% constant currency vs combined base of $23.1B (LTM Sep 2025).
- Cost synergies $1.5B over 30 months; 75-80% of $900M 2026 savings boost EBITA.
- Double-digit adjusted diluted EPS growth expected in 2026.
- Completed $2.4B note issuance at avg 4.6% coupon; debt/EBITDA ~2.4x by year-end.
- Share repurchases $3.0-3.5B in 2026 under $5B program; $2.5B ASR initiated.

## SEC filing metadata
- accession: 0001193125-26-103214
- form_type: 8-K
- ticker: OMC
- cik: 0000029989
- company_name: OMNICOM GROUP INC.
- filed_at: 2026-03-12T23:59:59+00:00
- event_type: other_material
- sentiment: positive
- materiality_score: 0.85
- calibrated_materiality_score: 0.85
- confidence: high
- sec_items: 7.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/29989/000119312526103214/0001193125-26-103214-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/29989/000119312526103214/d255123d8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001193125-26-103214
- JSON: https://secwatch.observer/filing/0001193125-26-103214.json
- Plain text: https://secwatch.observer/filing/0001193125-26-103214.txt

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