---
schema_version: "secwatch.filing_event.v1"
accession: "0001213900-24-088967"
form_type: "8-K"
ticker: "OMC"
cik: "0000029989"
company_name: "OMNICOM GROUP INC."
filed_at: "2024-10-18T23:59:59+00:00"
generated_at: "2026-05-30T12:53:19.466163+00:00"
event_type: "other"
sentiment: "neutral"
materiality_score: 0.25
calibrated_materiality_score: 0.25
confidence: "high"
source: SEC EDGAR
---

# Omnicom adopts bylaw amendments updating shareholder proposal deadlines and proxy rules

## Summary
- Notice period for shareholder proposals: 90-120 days before annual meeting anniversary; similar for special meetings.
- Amendments address universal proxy rules; require compliance with Rule 14a-19 for non-Board nominee solicitations.
- Enhanced disclosure requirements for shareholder nominations and proposals, including background info on proposing shareholders.
- Shareholder proxies must use a non-white proxy card; white reserved for Board use.
- For 2025 annual meeting, shareholder proposals not in proxy materials must be received between Jan 7 and Feb 6, 2025.

## SEC filing metadata
- accession: 0001213900-24-088967
- form_type: 8-K
- ticker: OMC
- cik: 0000029989
- company_name: OMNICOM GROUP INC.
- filed_at: 2024-10-18T23:59:59+00:00
- event_type: other
- sentiment: neutral
- materiality_score: 0.25
- calibrated_materiality_score: 0.25
- confidence: high
- sec_items: 5.03, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/29989/000121390024088967/0001213900-24-088967-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/29989/000121390024088967/ea0217966-8k_omnicom.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001213900-24-088967
- JSON: https://secwatch.observer/filing/0001213900-24-088967.json
- Plain text: https://secwatch.observer/filing/0001213900-24-088967.txt

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