SEC Form 4 · accession 0001213900-26-091246
OMNICOM GROUP INC. · OMC
Statement of changes in beneficial ownership, as filed. Original on EDGAR ↗
Reporting owner
Andrew Castellaneta
Officer — SVP, Chief Accounting Officer
Period of report
Aug 15, 2026
Accepted (ET)
Aug 18, 2026 · 4:30 pm EDT
Rule 10b5-1 plan
box not checked
Issuer CIK
0000029989
Table I — non-derivative securities
| Security | Date | Code | Shares | Price | A/D | Owned after | D/I | Nature of ownership |
|---|---|---|---|---|---|---|---|---|
| Common Stock, par value $0.15 per shareF1 | Aug 15, 2026 | F | 1,348 | $87.57 | D | 20,795 | D |
Table II — derivative securities
No Table II lines on this filing.
Explanation of responses
- F1Includes 4,365 shares acquired under Omnicom's employee stock purchase plan.