InsiderTrades

Form 4 for OMC Omnicom Group

Accepted 2025-08-19 00:00:00 ET · period of report 2025-08-15 · accession 0001213900-25-078517 · SEC index · Original document

Summary rows

Aggregated the way they appear in lists: one row per insider, transaction code and security table.

X Filed Traded Ticker Insider Title Type Price Qty Owned ΔOwn Value
2025-08-19 2025-08-15 OMC Castellaneta Andrew SVP, CAO F - Tax $76.31 -1,850 21.9K -8% -$141.2K

Purchase Sale Sale after option exercise All abbreviations

Every reported transaction

#TableSecurityDateCodeA/DSharesPriceOwned afterOwnExercise / expiryUnderlyingFootnotes
1 Common Common Stock, par value $0.15 per share 2025-08-15 F D 1,850 $76.31 21,875 D — — (F1) Includes 4,097 shares acquired under Omnicom's employee stock purchase plan.