Omnicom Group Inc.

12/12/2025 | Press release | Archived content

Notice of Effectiveness (Form EFFECT)

UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
Notice of Effectiveness
Effectiveness Date: December 12, 2025 4:15 P.M.
Form: S-4
CIK: 0000029989
Company Name: OMNICOM GROUP INC.
File Number: 333-291920
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