0001800227 2024-01-01 2024-12-31 0001800227 us-gaap:CommonClassAMember 2025-02-07 0001800227 us-gaap:CommonClassBMember 2025-02-07 0001800227 2024-06-30 iso4217:USD shares iso4217:USD shares false --12-31 2024 FY 0001800227 10-K true 2024-12-31 false 001-39356 IAC Inc. DE 84-3727412 555 West 18th Street New York NY 10011 212 314-7300 Common Stock, par value $0.0001 IAC NASDAQ Yes No Yes Yes Large Accelerated Filer false false true false false 77493837 5789499 3558323640 Ernst & Young LLP New York, NY 42