UNITED STATES SECURITIES AND EXCHANGE COMMISSION Commission file number: 1-6686 THEINTERPUBLIC GROUP OF COMPANIES, INC. Washington, D.C. 20549 Form 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended June 30, 2025 or ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 (212)704-1200 (Registrant's telephone number, including area code) (Former name, former address and former fiscal year, if changed ...