1 min to read News Posted on January 17, 2025 S-4 – OMNICOM GROUP INC. (0000029989) (Filer) Filed: 2025-01-17 AccNo: 0001193125-25-008526 Size: 3 MB Source: S-4 – OMNICOM GROUP INC. (0000029989) (Filer) share share share